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• Acid Orange 10

IUPAC Name: sodium 7-oxo-8-(phenylhydrazinylidene)naphthalene-1,3-disulfonic acid | CAS Registry Number: 1936-15-8
Synonyms: Orange G, Acid orange 10, Light Orange G, Orange G dye, Orange GG, Acid Orange G, Colacid Orange G, Dolkwal Orange G, Fast Orange G, Hexacol Orange G, Wool Orange G, Acid Orange GG, Food Orange GG, Orange BPC, Orange GMP, Acilan Orange GX, Egacid Orange GG, Ink Orange JSN, Straight Orange G, Acid Orange 2G

Molecular Formula:	C₁₆H₁₂N₂NaO₇S₂+	Molecular Weight:	431.395450 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	9

InChIKey: WKVQHOYGERXKGQ-UHFFFAOYSA-N

• Acid Red 51

IUPAC Name: 2-(3-hydroxy-2,4,5,7-tetraiodo-6-oxoxanthen-9-yl)benzoic acid; sodium | CAS Registry Number: 568-63-8
Synonyms: Erythrosin, Erythrosin B, Acid red 51, TIF Na, FD+C Red No. 3, NSC36685

Molecular Formula:	C₂₀H₈I₄NaO₅	Molecular Weight:	858.882170 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	5

InChIKey: ADYPCPTWYACJSN-UHFFFAOYSA-N

• Alcian Blue 8GX

Synonyms: ALCIAN BLUE

Molecular Formula:	C₅₆H₇₀Cl₄CuN₁₆S₄-₄	Molecular Weight:	1300.880200 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	16

InChIKey: AFEFXWRQQIRMKH-UHFFFAOYSA-J

• Alcian Yellow

IUPAC Name: [dimethylamino-[[2-[4-[4-[5-[[dimethylamino(dimethylazaniumylidene)methyl]sulfanylmethyl]-6-methyl-1,3-benzothiazol-2-yl]phenyl]diazenylphenyl]-6-methyl-1,3-benzothiazol-5-yl]methylsulfanyl]methylidene]-dimethylazanium chloride | CAS Registry Number: 61968-76-1
Synonyms: Alcian yellow, C.I. Ingrain Yellow 1, CID3085231

Molecular Formula:	C₄₀H₄₆ClN₈S₄+	Molecular Weight:	802.559840 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	7

InChIKey: AWDFVJLJWLVKRP-UHFFFAOYSA-M

• Alizarin Red s

IUPAC Name: sodium 3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate | CAS Registry Number: 130-22-3
Synonyms: Alizarin Red S, Alizarinsulfonate, Alizarine S, Alizarin S, Alizarine Red A, Alizarine Red W, Fenakrom Red W, Diamond Red W, Alizarine Red AS, Alizarine Red SW, Alizarine Red SZ, Alizarine Red WA, Alizarine Red WS, Ahcoquinone Red S, Mordant Red 3, Alizarin Carmine, Acid Red Alizarine, Carnelio Rubine Lake, Chrome Red Alizarine, Oxanal Fast Red SW

Molecular Formula:	C₁₄H₇NaO₇S	Molecular Weight:	342.255950 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	7

InChIKey: HFVAFDPGUJEFBQ-UHFFFAOYSA-M

• Aniline Blue

IUPAC Name: 4-[[4-(anilino)phenyl]-(4-phenyliminocyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline | CAS Registry Number: 28631-66-5
Synonyms: MARINE BLUE, NSC8677, ANILINE BLUE, WATER SOLUBLE, CID407402, ZINC04261931

Molecular Formula:	C₃₂H₂₇N₃	Molecular Weight:	453.576880 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: LBLFVSANTXZPEX-UHFFFAOYSA-N

• Auramine O

IUPAC Name: 4-[4-(dimethylamino)benzenecarboximidoyl]-N,N-dimethylaniline hydrochloride | CAS Registry Number: 2465-27-2
Synonyms: Auramin, Aizen auramine, Auramine Yellow, Auramine Extra, Auramine Pure, Basic Yellow 2, Auramine N, Auramine chloride, Auramine FA, Auramine II, Auramine ON, Auramine OO, Auramine OS, Auramine SP, Auramine FWA, Auramine OOO, Benzophenoneidum, AURAMINE, Adc Auramine O, Auramine A1

Molecular Formula:	C₁₇H₂₂ClN₃	Molecular Weight:	303.829680 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: KSCQDDRPFHTIRL-UHFFFAOYSA-N

• Azur B (CAS: 8006-34-6)

• Azure A, Certified, Pure

IUPAC Name: (7-aminophenothiazin-3-ylidene)-dimethylazanium chloride | CAS Registry Number: 531-53-3
Synonyms: Dimethylthionine, Azur A, AZURE A, Giemsa solution, Giemsa stain, N,N-Dimethylthionine, Giemsa's stain, Azure A chloride, Azure A eosinate, Giemsa stain, modified, GS1L_SIGMA, Azure eosin methylene blue, GS80_SIGMA, GS128_SIGMA, GS500_SIGMA, A2918_SIGMA, A6270_SIGMA, G9641_SIGMA, 121398_ALDRICH, 200212_ALDRICH

Molecular Formula:	C₁₄H₁₄ClN₃S	Molecular Weight:	291.799060 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: NALREUIWICQLPS-UHFFFAOYSA-N

• Azure II Eosinate

IUPAC Name: disodium; [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium; dimethyl-[7-(methylamino)phenothiazin-3-ylidene]azanium; 2',4',5',7'-tetrabromo-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate; dichloride | CAS Registry Number: 53092-85-6
Synonyms: Azure II eosinate, AZUR 2 EOSIN, 200220_ALDRICH

Molecular Formula:	C₅₁H₄₀Br₄Cl₂N₆Na₂O₅S₂	Molecular Weight:	1317.532040 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	11

InChIKey: MKNRYAWOIOXPEL-UHFFFAOYSA-K

• Basic Brown 1

IUPAC Name: 4-[3-(2,4-diaminophenyl)diazenylphenyl]diazenylbenzene-1,3-diamine dihydrochloride | CAS Registry Number: 10114-58-6
Synonyms: Vesuvine, Bismark Brown Y, Bismarck Brown Y, Excelsior Brown, Phenylene Brown, Leather Brown, Manchester Brown, Bismarck Brown B, Bismarck Brown Y (G), Basic Brown G, GX, GXP, B2759_SIAL, 80324-43-2 (Parent), 861111_SIAL, CID82360, EINECS 233-314-3, C.I. Basic Brown 1, dihydrochloride, C.I. 21000, AI3-52758, LT03380030, 1,3-Bis(2,3-diaminophenylazo)benzene hydrochloride

Molecular Formula:	C₁₈H₂₀Cl₂N₈	Molecular Weight:	419.311000 [g/mol]
H-Bond Donor:	6	H-Bond Acceptor:	8

InChIKey: MCZVRBLCRZWFJH-UHFFFAOYSA-N

• Basic Orange 14

IUPAC Name: zinc 3-N,3-N,6-N,6-N-tetramethylacridine-3,6-diamine dichloride hydrochloride | CAS Registry Number: 10127-02-3
Synonyms: Euchrysine 3RX, Acridine orange, CCRIS 6695, EINECS 233-353-6, CID159263, C.I. 46005, Zinc chloride, compd. with 3,6-bis(dimethylamino)acridine monohydrochloride, 3,6-Acridinediamine, N,N,N',N'-tetramethyl-, monohydrochloride compd. with zinc chloride, 3,6-bis(Dimethylamino) acridine monohydrochloride compound with zinc chloride, Acridine, 3,6-bis(dimethylamino)-, monohydrochloride, compd. with zinc chloride, Acridinediamie, N,N,N',N'-tetramethyl-, monohydrochloride, compd. with zinc chloride, N,N,N',N'- Tetramethylacridine-3,6-diaminmonohydrochlorid, verbindung mit zinkcdichlorid, N,N,N',N'-Tetramethylacridine-3,6-diamine monohydrochloride, compound with zinc dichloride, Zinc chloride, compd. with N,N,N',N'-tetramethyl-3,6-acridinediamine monohydrochloride, 3,6-Acridinediamine, N,N,N',N'-tetramethyl-, monohydrochloride, cpmpd. with zinc chloride (ZnCl2), 50977-21-4, 60994-28-7

Molecular Formula:	C₁₇H₂₀Cl₃N₃Zn	Molecular Weight:	438.128800 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	5

InChIKey: VADJQOXWNSPOQA-UHFFFAOYSA-L

• Basic Red 5

IUPAC Name: 8-N,8-N,3-trimethylphenazine-2,8-diamine hydrochloride | CAS Registry Number: 553-24-2
Synonyms: Toluylene Red, Kernechtrot, Neutral Red W, Nuclear Fast Red, NEUTRAL RED, Cerven neutralni, Cerven toluylenova, Neutral Red chloride, Cerven zasadita 5, C.I. Basic Red 5, Michrome No. 226, Cerven neutralni [Czech], Cerven toluylenova [Czech], Cerven zasadita 5 [Czech], Nuclear Fast Red (basic dye), C.I. Basic Red 5, monohydrochloride, NSC 3092, EINECS 209-035-8, NSC3092, NSC5756

Molecular Formula:	C₁₅H₁₇ClN₄	Molecular Weight:	288.775280 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	4

InChIKey: PGSADBUBUOPOJS-UHFFFAOYSA-N

• Basic Red 9

IUPAC Name: 4-[(4-aminophenyl)-(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]aniline hydrochloride | CAS Registry Number: 569-61-9
Synonyms: Pararosaniline, Parafuchsin, Parafuchsine, Parafuksin, p-Fuchsin, Fuchsine SP, ParaMagenta, Fuchsine SPC, Basic fuchsin, Pararosanilin, Parasaniline, Calcozine magenta N, P ararosanilin, p-Rosaniline HCl, p-Rosaniline.HCl, Para Magenta, CI Basic Red 9, Fuchsine DR-001, C.I. Basic Red 9, Fuchsine, Acid

Molecular Formula:	C₁₉H₁₈ClN₃	Molecular Weight:	323.819320 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	3

InChIKey: JUQPZRLQQYSMEQ-UHFFFAOYSA-N

• Brilliant Green

IUPAC Name: [4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium; hydrogen sulfate | CAS Registry Number: 633-03-4
Synonyms: Brilliant green, Ethyl green, Emerald Green, Basic green 1, Solid Green, Malachite Green G, Diamond Green G, Basic Green V, Fast Green J, Green EN, Fast Green JJO, Brilliant Green B, Brilliant Green G, Brilliant Green P, Brilliant Green Y, Basic Bright Green, Brilliant Green GX, Brilliant Green YN, Astrazon Green D, Deorlene Green JJO

Molecular Formula:	C₂₇H₃₄N₂O₄S	Molecular Weight:	482.634860 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	5

InChIKey: NNBFNNNWANBMTI-UHFFFAOYSA-M

• Bromochlorophenol Blue Sodium Salt

IUPAC Name: 2-[(E)-(3-bromo-5-chloro-4-hydroxyphenyl)-(3-bromo-5-chloro-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate | CAS Registry Number: 102185-52-4
Synonyms: ZINC04261872, CID5815585

Molecular Formula:	C₁₉H₉Br₂Cl₂O₅S-	Molecular Weight:	580.050760 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	5

InChIKey: KGDDIJKLMLNSCH-YVLHZVERSA-M

• Carmine

IUPAC Name: 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid | CAS Registry Number: 1390-65-4
Synonyms: Cochineal, Cochenille dye, Cochineal tincture, Cochineal, dye, B Rose liquid, Cochineal solution, ENJI, Cochineal extract lake, CARMINIC ACID, C.I. Natural red 4, Carmine (Coccus cacti L.), Cochineal concentrate type M, Cochineal concentrate type P, Cochineal (Coccus cacti L.), Cochineal concentrate -7-fold, FEMA No. 2242, FEMA No. 2330, CCRIS 1204, CCRIS 4511, EINECS 215-680-6

Molecular Formula:	C₂₂H₂₀O₁₃	Molecular Weight:	492.386400 [g/mol]
H-Bond Donor:	9	H-Bond Acceptor:	13

InChIKey: DGQLVPJVXFOQEV-UHFFFAOYSA-N

• Chromotrope 2r

IUPAC Name: disodium 5-hydroxy-4-oxo-3-(phenylhydrazinylidene)naphthalene-2,7-disulfonate | CAS Registry Number: 4197-07-3
Synonyms: AZOFUCHSIN, ACID PHLOXINE GR

Molecular Formula:	C₁₆H₁₀N₂Na₂O₈S₂	Molecular Weight:	468.368740 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	10

InChIKey: XTJONEUTTZZRAB-UHFFFAOYSA-L

• Cresyl Violet Acetate, Certified

IUPAC Name: (9-aminobenzo[a]phenoxazin-5-ylidene)azanium | CAS Registry Number: 10510-54-0
Synonyms: ZINC04261929, CID3673794, LS-190183

Molecular Formula:	C₁₆H₁₂N₃O+	Molecular Weight:	262.285980 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: PNEZKPARQSZCID-UHFFFAOYSA-O

• Direct Red 28

IUPAC Name: disodium 4-amino-3-[4-[4-(1-amino-4-sulfonatonaphthalen-2-yl)diazenylphenyl]phenyl]diazenylnaphthalene-1-sulfonate | CAS Registry Number: 573-58-0
Synonyms: Congo red, Haemomedical, Hemorrhagyl, Haemonorm, Solucongo, Benzo Congo Red, Kongorot, Sugai Congo Red, Atul Congo Red, Vondacel Red CL, Kayaku Congo Red, Mitsui Congo Red, Congo Red 4B, Congazone sodium, Cotton Red L, Direct Red C, Direct Red K, Azocard Red Congo, Congo Red H, Congo Red L

Molecular Formula:	C₃₂H₂₂N₆Na₂O₆S₂	Molecular Weight:	696.663220 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	12

InChIKey: IQFVPQOLBLOTPF-UHFFFAOYSA-L

• Direct Red 80

IUPAC Name: hexasodium (3E)-4-oxo-7-[[(6E)-5-oxo-7-sulfonato-6-[[2-sulfonato-4-(4-sulfonatophenyl)diazenylphenyl]hydrazinylidene]naphthalen-2-yl]carbamoylamino]-3-[[2-sulfonato-4-(4-sulfonatophenyl)diazenylphenyl]hydrazinylidene]naphthalene-2-sulfonate | CAS Registry Number: 2610-10-8
Synonyms: Picrosirius Red, Saturn Red, Finisol Red BA, Fenaluz Red 7B, Sirius Red, Sirius Red F 3B, Dicorel Red L 3A, Solophenyl Red 3BL, Solantine Red 8BLN, Fastusol Red L 8B, Pyrazoline Red BLWN, Sirius Red F 3BA, Sumilight Red F 3B, Fastusol Red 8B-CF, Sirius Red 80F3B, Diazol Light Red 3B, Dialuminous Red F 3B, Tetramine Fast Red WE, Calcomine Fast Red 8B, Amanil Fast Red 8BLN

Molecular Formula:	C₄₅H₂₆N₁₀Na₆O₂₁S₆	Molecular Weight:	1373.070960 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	29

InChIKey: LDCKXVAPQFUIOI-ZFLDVXHKSA-H

• Dyes, Solvent Black 3

IUPAC Name: (2,2-dimethyl-1,3-dihydroperimidin-6-yl)-(4-phenyldiazenylnaphthalen-1-yl)diazene | CAS Registry Number: 4197-25-5
Synonyms: Sudan black B, Typogen Black, Ceres Black BN, Fat Black HB, Lacquer Black S, Nubian Black BT, Hexatype Black B, Fast Black HB, Lacquer Black VB, Fast Black HBN, Oil Black BT, Solvent black 3, Sudan Deep Black BB, Sudan Deep Black BN, Acetylated Sudan Black B, C.I. Solvent Black 3, SOT-Black 6, Sudan Black X 60, Aizen SOT Black 6, Fat Black HB 01

Molecular Formula:	C₂₉H₂₄N₆	Molecular Weight:	456.541060 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	6

InChIKey: YCUVUDODLRLVIC-UHFFFAOYSA-N

• Eosin Red/Eosin Y

IUPAC Name: disodium 2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate | CAS Registry Number: 17372-87-1
Synonyms: Eosin yellowish, Eosin, Eosine Yellowish, Bromoeosine, Eosine, Bromofluorescein, Eosine G, Sodium eosine, Eosin Y, Bromo acid, Bronze Bromo, Certiqual Eosine, Aizen eosine GH, Bromo Fluorescein, Eosine A, Eosine B, Eosine J, Eosine Y, Eosine w/s, Sodium eosinate

Molecular Formula:	C₂₀H₆Br₄Na₂O₅	Molecular Weight:	691.854180 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	5

InChIKey: SEACYXSIPDVVMV-UHFFFAOYSA-L

• Eosin Yellowish

IUPAC Name: 2-(2,4,5,7-tetrabromo-3-hydroxy-6-oxoxanthen-9-yl)benzoic acid | CAS Registry Number: 548-26-5
Synonyms: Bromeosin, Eosin, Aizen eosine GH, Eosin Y, CBChromo1_000099, Probes1_000494, Probes2_000049, CBDivE_002995, D & C Red no. 21, NSC2087, AIDS014990, Eosin yellowish (*Disodium salt*), AIDS-014990, CID11049, C.I. Acid Red 87 (*Disodium salt*), 17372-87-1 (DISODIUM SAL), Fluorescein, 2',4',5',7'-tetrabromo-, Benzoic acid, 2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)-, 152-75-0, Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-

Molecular Formula:	C₂₀H₈Br₄O₅	Molecular Weight:	647.890520 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	5

InChIKey: AZXGXVQWEUFULR-UHFFFAOYSA-N

• Fast Green FCF

IUPAC Name: disodium 2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-5-hydroxybenzenesulfonate | CAS Registry Number: 2353-45-9
Synonyms: Food green 3, Solid Green FCF, Food Green No. 3, C.I. Food Green 3, FD&C Green No. 3, 1724 Green, FD & C Green no. 3, Aizen Food Green No. 3, FD and C Green No. 3, Zelen Stala FCF [Czech], CCRIS 1867, Zelen potravinarska 3 [Czech], F7252_SIAL, F7258_SIAL, EINECS 219-091-5, NSC 379443, CID16887, CI 42053, C.I. FOOD GREEN 3, DISODIUM SALT, LS-2756

Molecular Formula:	C₃₇H₃₄N₂Na₂O₁₀S₃	Molecular Weight:	808.847800 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	11

InChIKey: RZSYLLSAWYUBPE-UHFFFAOYSA-L

• Fuchsin Acid

IUPAC Name: disodium (3Z)-3-[(4-amino-3-sulfonatophenyl)-(4-amino-3-sulfophenyl)methylidene]-6-imino-5-methylcyclohexa-1,4-diene-1-sulfonate | CAS Registry Number: 3244-88-0
Synonyms: Acid fuchsin, Acid rubin, Acidal fuchsine, Acidal magenta, Acid fuchsine, Fuchsine acid, Acid magenta, Fuchsin acid, Acid rosein, p-Fuchsine acid, Acid fuchsine N, Acid fuchsine O, Acid fuchsine S, Kiton magenta A, Acid magenta O, Acid magenta 0, Acid fuchsine FB, Fuchsin(E) acid, Rubine S, Acid leather magenta A

Molecular Formula:	C₂₀H₁₇N₃Na₂O₉S₃	Molecular Weight:	585.538220 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	12

InChIKey: WZRZTHMJPHPAMU-UHFFFAOYSA-L

• Gentian Violet

IUPAC Name: [4-[bis(4-dimethylaminophenyl)methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride | CAS Registry Number: 548-62-9
Synonyms: gentian violet, Crystal violet, Gentioletten, Gentersal, Gentiaverm, Pyoktanin, Genticid, Oxycolor, Vermicid, Adergon, Atmonil, Avermin, Oxiuran, Oxyozyl, Axuris, Vianin, Viocid, Badil, Hexamethyl Violet, Aniline Violet

Molecular Formula:	C₂₅H₃₀ClN₃	Molecular Weight:	407.978800 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: ZXJXZNDDNMQXFV-UHFFFAOYSA-M

• Giemsa Stain

IUPAC Name: (7-aminophenothiazin-3-ylidene)-dimethylazanium;chloride | CAS Registry Number: 51811-82-6
Synonyms: AZURE A, Dimethylthionine, Giemsa stain, Azure A chloride, Azur A, N,N-Dimethylthionine, Giemsa solution, 531-53-3, 3-Amino-7-(dimethylamino)phenothiazin-5-ium chloride, Giemsa stain, modified, C.I. 52005, Azure eosin methylene blue, asym-Dimethyl-3,7-diaminophenazathionium chloride, Giemsa Stain, Modified Solution, 3-Amino-7-dimethylaminophenazathionium chloride, Azure mixture sicc. Giemsa stain, EINECS 208-510-7, NSC 326661, ST092694, ST50307464

Molecular Formula:	C₁₄H₁₄ClN₃S	Molecular Weight:	291.799060 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: NALREUIWICQLPS-UHFFFAOYSA-N

• Hematoxylin

IUPAC Name: (6aS,11bR)-7,11b-dihydro-6H-indeno[2,1-c]chromene-3,4,6a,9,10-pentol | CAS Registry Number: 517-28-2
Synonyms: Haematoxylin, Hydroxybrasilin, Hydroxybrazilin, hematoxiline, Hydroxylrasilin, Hematoxyline, (+)-Hematoxylin, HEMATOXYLIN, Natural Black I, Natural Black 1, (+)-haematoxylin, Hematoxylin n-Hydrate, Hematoxylin, certified, Delafield's hematoxylin, Hematoxylin n-Hyd rate, MHS1_SIGMA, HEMATOXYLIN, CRYST, HHS16_SIGMA, HHS32_SIGMA, HHS80_SIGMA

Molecular Formula:	C₁₆H₁₄O₆	Molecular Weight:	302.278760 [g/mol]
H-Bond Donor:	5	H-Bond Acceptor:	6

InChIKey: WZUVPPKBWHMQCE-XJKSGUPXSA-N

• Indigo Carmine

IUPAC Name: disodium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1H-indol-2-ylidene)-1H-indole-5-sulfonate | CAS Registry Number: 860-22-0
Synonyms: Indigo carmine, indigocarmine, Sachsischblau, Indigocarmin, Indigotine, Murabba, Indigotine Lake, Indigo Extract, Soluble Indigo, Indocarmine F, Carmine Blue, Indigotine B, Indigotine I, Indigotine N, Intense Blue, Indigotin I, Indigotine IA, Indigotine 1, Cilefa Blue R, Indigo Carmine A

Molecular Formula:	C₁₆H₈N₂Na₂O₈S₂	Molecular Weight:	466.352860 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	10

InChIKey: KHLVKKOJDHCJMG-QDBORUFSSA-L

• Jenner's Stain (CAS: 62851-42-7)

• Leishman's Stain (CAS: 12627-53-1)

• Light Green SF Yellowish

IUPAC Name: disodium 4-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate | CAS Registry Number: 5141-20-8
Synonyms: Acid Green 5, Amacid Green G, Light green SF, Pencil Green SF, Light Green G, Light Green S, Sulfo Green J, Light Green CF, Light Green FS, Light Green Lake, Acid Green A, Light Green SFA, Light Green SFD, Fenazo Green 7G, Leather Green SF, Acilan Green SFG, Light Green 2GN, Food Green 2, Lissamine Green SF, Merantine Green SF

Molecular Formula:	C₃₇H₃₄N₂Na₂O₉S₃	Molecular Weight:	792.848400 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	10

InChIKey: DGOBMKYRQHEFGQ-UHFFFAOYSA-L

• Methyl Green

IUPAC Name: [4-[(4-dimethylaminophenyl)-(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]phenyl]-ethyl-dimethylazanium bromide chloride | CAS Registry Number: 14855-76-6
Synonyms: Methyl green, Ethyl green, NSC3091, NSC 3091, EINECS 238-920-1, M-3776, (alpha-(p-(Dimethylamino)phenyl)-alpha-(4-(methylimino)-2,5-cyclohexadien-1-ylidene)-p-tolyl)ethyldimethylammonium bromide methochloride, 4-((4-(Dimethylamino)phenyl)(4-(dimethyliminio)cyclohexa-2,5-dien-1-ylidene)methyl)-N-ethyl-N,N-dimethylanilinium bromidechloride, Ammonium, (alpha-(p-(dimethylamino)phenyl)-alpha-(4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene)-p-tolyl)ethyldimethyl-, bromide, chloride (8CI), Ammonium, [.alpha.-[p-(dimethylamino)phenyl]-.alpha.-[4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene]-p-tolyl]ethyldimethyl-, bromide, chloride, Benzenaminium, 4-((4-(dimethylamino)phenyl)(4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene)methyl)-N-ethyl-N,N-dimethyl-, bromide chloride, Benzenaminium, 4-[[4-(dimethylamino)phenyl][4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene]methyl]-N-ethyl-N,N-dimethyl-, bromide chloride

Molecular Formula:	C₂₇H₃₅BrClN₃	Molecular Weight:	516.943900 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: IDAQSADEMXDTKN-UHFFFAOYSA-L

• Methyl Orange

IUPAC Name: sodium 4-[4-(dimethylamino)phenyl]diazenylbenzenesulfonate | CAS Registry Number: 547-58-0
Synonyms: Helianthine, Helianthine B, Orange III, Tropaeolin D, Gold Orange, Helianthin, Eniamethyl Orange, Methyl Orange B, Kca Methyl Orange, Orange 3, METHYL ORANGE, Methyloranz [Czech], Oranz III [Czech], Acid Orange 52, Orange III (VAN), CI Acid Orange 52, Oranz methylova [Czech], Methyl Orange solution, C.I. Acid Orange 52, Oranz kysela 52 [Czech]

Molecular Formula:	C₁₄H₁₄N₃NaO₃S	Molecular Weight:	327.334030 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	6

InChIKey: STZCRXQWRGQSJD-UHFFFAOYSA-M

• Methyl Red Indicator

IUPAC Name: 2-[4-(dimethylamino)phenyl]diazenylbenzoic acid | CAS Registry Number: 493-52-7
Synonyms: Methyl red, O-METHYL RED, C.I. Acid Red 2, CI Acid Red 2, Methyl Red solution, Acid Red- 2, Cerven methylova [Czech], Cerven kysela 2 [Czech], CCRIS 2250, HSDB 2786, 32654_RIEDEL, 32941_RIEDEL, ARONIS014454, 4-Dimethylamino-2'-carboxylazobenzene, C.I. Acid Red 2 (8CI), WLN: QVR BNUNR DN1&1, EINECS 207-776-1, 2-Carboxy-4'-(dimethylamino)azobenzene, NSC9597, 2-(4-Dimethylaminophenylazo)benzoic acid

Molecular Formula:	C₁₅H₁₅N₃O₂	Molecular Weight:	269.298500 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	5

InChIKey: CEQFOVLGLXCDCX-UHFFFAOYSA-N

• Methyl Red, Sodium Salt

IUPAC Name: sodium 2-(4-dimethylaminophenyl)diazenylbenzoate | CAS Registry Number: 845-10-3
Synonyms: Sodium methyl red, Methyl red, Acid Red- 2, Methyl Red sodium salt, M8256_SIAL, 114502_SIAL, EINECS 212-682-9, CID101879, CID4465632, Sodium 2-(p-(dimethylamino)phenylazo)benzoate, 4-Dimethylaminoazobenzene-2'-carboxylic acid sodium salt, Benzoic acid, 2-((4-(dimethylamino)phenyl)azo)-, sodium salt, 493-52-7

Molecular Formula:	C₁₅H₁₄N₃NaO₂	Molecular Weight:	291.280330 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	5

InChIKey: GNTPCYMJCJNRQB-UHFFFAOYSA-M

• Methyl Violet

IUPAC Name: [4-[[4-(dimethylamino)phenyl]-[4-(methylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium | CAS Registry Number: 8004-87-3
Synonyms: ZINC03861439, CID2724053, NCGC00167545-01

Molecular Formula:	C₂₄H₂₈N₃+	Molecular Weight:	358.499220 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: AMPCGOAFZFKBGH-UHFFFAOYSA-O

• Methylene blue

IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium chloride | CAS Registry Number: 61-73-4
Synonyms: methylene blue, Chromosmon, Basic blue 9, Swiss Blue, Urolene blue, Bleu de methylene, External Blue 1, Methylene Blue A, Methylene Blue B, Methylene Blue D, Methylene Blue G, Methylene Blue N, Methylenblau, Tetramethylene Blue, Calcozine Blue ZF, Methylene Blue BB, Methylene Blue BD, Methylene Blue BP, Methylene Blue BX, Methylene Blue BZ

Molecular Formula:	C₁₆H₁₈ClN₃S	Molecular Weight:	319.852220 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: CXKWCBBOMKCUKX-UHFFFAOYSA-M

• Nile Blue A

IUPAC Name: [9-(diethylamino)benzo[a]phenoxazin-5-ylidene]azanium sulfate | CAS Registry Number: 3625-57-8
Synonyms: Nile Blue sulfate, Nile Blue A sulfate, Basic Blue- 12, N0766_SIGMA, N5632_SIGMA, 121479_ALDRICH, NSC 3250, 72480_FLUKA, EINECS 222-832-5, NSC 34914, LS-38960, Bis(5-amino-9-(diethylamino)benzo(a)phenoxazin-7-ium) sulphate, 5H-Benzo(a)phenazoxazine, 9-(diethylamino)-5-imino-, sulfate (2:1), BENZO(a)PHENOXAZIN-7-IUM, 5-AMINO-9-(DIETHYLAMINO)-, SULFATE (2:1), 2381-85-3

Molecular Formula:	C₄₀H₄₀N₆O₆S	Molecular Weight:	732.847200 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	10

InChIKey: QIRDPEPUXNCOLD-UHFFFAOYSA-N

• Orange II

IUPAC Name: sodium 4-[(2E)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]benzenesulfonate | CAS Registry Number: 633-96-5
Synonyms: Naphthol orange, Acid Orange A, Colacid Orange, Persian Orange, Fenazo Orange, Curol Orange, Solar Orange, Acid Orange, Acid orange ii, Mandarin G, Tropaeolin OOO, Amacid Orange Y, Orange Y, Orange Extra N, Orange Extra P, Kiton Orange II, Perca Orange GR, Lake Orange A, Orange YA, Orange YZ

Molecular Formula:	C₁₆H₁₁N₂NaO₄S	Molecular Weight:	350.324310 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	6

InChIKey: IGQFKZCLTLAWLO-HYNBPGMHSA-M

• Orcein

IUPAC Name: 2,8-bis(2,4-dihydroxy-6-methylanilino)-1,9-dimethyldibenzofuran-3,7-dione | CAS Registry Number: 1400-62-0
Synonyms: Pacein, NCIStruc1_000110, NCIStruc2_001941, NSC610930, ZINC01611596, AIDS013338, AIDS-013338, EINECS 215-750-6, NCGC00014927, NCI610930, CID5386447, NSC-610930, NCGC00098027-01, NCI60_004804, LT03380395, O0061, 2,8-bis(2,4-dihydroxy-6-methylanilino)-1,9-dimethyldibenzo[b,d]furan-3,7-dione, 220751-92-8, 3,7-Dibenzofurandione, 2,8-bis[(2,4-dihydroxy-6-methylphenyl)amino]-9a,9b-dihydro-1,9-dimethyl-

Molecular Formula:	C₂₈H₂₄N₂O₇	Molecular Weight:	500.499360 [g/mol]
H-Bond Donor:	6	H-Bond Acceptor:	9

InChIKey: VPEASJIRGSVXBF-UHFFFAOYSA-N

• Phenol Red

IUPAC Name: 4-[3-(4-hydroxyphenyl)-1,1-dioxobenzo[c]oxathiol-3-yl]phenol | CAS Registry Number: 143-74-8
Synonyms: Sulfonphthal, Fenolipuna, Sulphental, Sulphonthal, phenolsulfonphthalein, PHENOL RED, PSP (indicator), Phenolsulphonphthalein, Phenol red solution, Phenolsulfonephthalein, Phenolsulfonphthalein (TN), NSC10459, NCIStruc1_001090, NCIStruc2_000839, Phenolsulfonphthalein [BAN:JAN], 32661_RIEDEL, P0290_SIAL, P3532_SIAL, P. S. P., EINECS 205-609-7

Molecular Formula:	C₁₉H₁₄O₅S	Molecular Weight:	354.376460 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	5

InChIKey: BELBBZDIHDAJOR-UHFFFAOYSA-N

• Rhodamine B Base, Alcohol Soluble

IUPAC Name: 3',6'-bis(diethylamino)spiro[2-benzofuran-3,9'-xanthene]-1-one | CAS Registry Number: 509-34-2
Synonyms: Rhodamine B base, Lacquer Pink S, Certiqual Rhodamine, Fast Oil Pink B, Solvent Red 49, Rhodamine B lactone, Rhodamine S lactone, Eljon Magenta Toner, Waxoline Rhodamine B, Waxoline Rhodamine BS, Solvent Red- 49, Aizen Rhodamine B Base, Rhodamine B Base Extra, Rhodamine B Extra Base, Rhodamine Base B Extra, C.I. Solvent Red 49, 234141_ALDRICH, NSC43944, EINECS 208-096-8, NSC 43944

Molecular Formula:	C₂₈H₃₀N₂O₃	Molecular Weight:	442.549400 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	5

InChIKey: DZNJMLVCIZGWSC-UHFFFAOYSA-N

• Rose Bengal

IUPAC Name: 4,5,6,7-tetrachloro-2',7'-dihydroxy-1',3',6',8'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one | CAS Registry Number: 632-69-9
Synonyms: Rose bengal B, EINECS 223-993-4, 127695-05-0, 4,5,6,7-Tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro(isobenzofuran-1(3H),9'-(9H)xanthene)-3-one, 4159-77-7, 518-38-7, 632-68-8, Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodo-

Molecular Formula:	C₂₀H₄Cl₄I₄O₅	Molecular Weight:	973.672640 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	5

InChIKey: YVTUBIUNVPXSLI-UHFFFAOYSA-N

• Ruthenium Red

IUPAC Name: azane; ruthenium(2+); hexachloride; dihydrate | CAS Registry Number: 11103-72-3
Synonyms: RUTHENIUM RED, Ammoniated ruthenium oxychloride, R2751_SIAL, 84071_FLUKA

Molecular Formula:	Cl₆H₄₆N₁₄O₂Ru₃	Molecular Weight:	790.385840 [g/mol]
H-Bond Donor:	16	H-Bond Acceptor:	22

InChIKey: JQJSTVUROJELSR-UHFFFAOYSA-H

• Safranine O

IUPAC Name: 3,7-dimethyl-10-phenylphenazin-10-ium-2,8-diamine chloride | CAS Registry Number: 477-73-6
Synonyms: Gossypimine, Tolusafranine, Safranin, Safranin O, Safranin T, Safranine, Hidaco safranine, Safranine Zh, Safranine A, Safranine B, Safranine G, Safranine J, Safranine T, Safranine Y, Safranine GF, Safranine OK, Safranine TH, Safranine TN, Safranine TS, Safranine YN

Molecular Formula:	C₂₀H₁₉ClN₄	Molecular Weight:	350.844660 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	4

InChIKey: OARRHUQTFTUEOS-UHFFFAOYSA-N

• Scarlet Chrome

IUPAC Name: disodium 2',4',5',7'-tetrabromo-4,5,6,7-tetrachloro-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate | CAS Registry Number: 18472-87-2
Synonyms: Cyanosin, Cyanosine, Phloxine B, Eosine bluish, Eosine Blue, Cyanosin B, Eosin Blue, Phloxine P, Phloxin B, Water Pink 2, Acid red 92, Daiwa Red 45, Cyanosin (acid dye), Japan Red 104, Orient Water Pink 2, Food Red 104, Aizen Acid Phloxine PB, Japan Red 104-1, Food Red No. 104, 3427 Veri Pur Pink

Molecular Formula:	C₂₀H₂Br₄Cl₄Na₂O₅	Molecular Weight:	829.634420 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	5

InChIKey: OOYIOIOOWUGAHD-UHFFFAOYSA-L

• Solvent Black 5

IUPAC Name: 2-amino-N,N-dipropylacetamide;hydrochloride | CAS Registry Number: 11099-03-9
Synonyms: 2-AMINO-N,N-DIPROPYLACETAMIDE HYDROCHLORIDE, 110984-06-0, SCHEMBL9867770, CTK6E3985, 2018AA, 2019AA, 8764AC, AKOS015848267, AK-75459, OR149692

Molecular Formula:	C₈H₁₉ClN₂O	Molecular Weight:	194.703 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: GBPWTMZRCAESKB-UHFFFAOYSA-N

• Solvent Red 23

IUPAC Name: (1Z)-1-[(4-phenyldiazenylphenyl)hydrazinylidene]naphthalen-2-one | CAS Registry Number: 85-86-9
Synonyms: Fettscharlach, Cerasinrot, Fettrot, Rouge cerasine, Organol Scarlet, Stearix Scarlet, Fettponceau G, Pyronalrot B, Cerasin Red, Oil Scarlet, Sudan III, Fettscharlach LB, Toney Red, Solvent red 23, Oil Scarlet G, Fat Scarlet LB, Oil Red, Oil Scarlet AS, Organol Red BS, Soudan III

Molecular Formula:	C₂₂H₁₆N₄O	Molecular Weight:	352.388640 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	5

InChIKey: HTPQPMPFXUWUOT-SRURNFRUSA-N