TopChem Pharmaceuticals Limited

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Profile: TopChem Pharmaceuticals Limited is a GMP manufacturer of niche low volume generic APIs and excipients. Our facilities are US FDA and EU inspected. We can develop products to order for exclusive or non-exclusive supply. We support our customers drug product development with analytical methods, reference impurities and DMF filings.

24 Products/Chemicals (Click for related suppliers)

• Alosetron hydrochloride

IUPAC Name: 5-methyl-2-[(5-methyl-1H-imidazol-4-yl)methyl]-3,4-dihydropyrido[4,3-b]indol-1-one hydrochloride | CAS Registry Number: 122852-69-1
Synonyms: Lotronex, alosetron, Alosetron HCl, Lotrpnex, Lotrpnex (TN), ALOSETRON HYDROCHLORIDE, Ambap2686, Alosetron [INN:BAN], alosetron monohydrochloride, Alosetron hydrochloride [USAN], C17H18N4O.HCl, C18H19N3O.HCl, HSDB 7055, MLS001401464, GR 68755c, Alosetron hydrochloride (USAN), GR-68755C, GR68755, CPD000469211, GR 68755

Molecular Formula:	C₁₇H₁₉ClN₄O	Molecular Weight:	330.811960 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	4

InChIKey: FNYQZOVOVDSGJH-UHFFFAOYSA-N

• Benzyl Benzoate

IUPAC Name: phenylmethyl benzoate | CAS Registry Number: 120-51-4
Synonyms: BENZYL BENZOATE, Benylate, Benzylets, Novoscabin, Peruscabin, Scabiozon, Ascabiol, Colebenz, Scabagen, Scabanca, Scabitox, Scobenol, Vanzoate, Ascabin, Scabide, Antiscabiosum, Peruscabina, Spasmodin, Benzylis benzoas, benzylbenzoate

Molecular Formula:	C₁₄H₁₂O₂	Molecular Weight:	212.243880 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: SESFRYSPDFLNCH-UHFFFAOYSA-N

• Bretylium Tosylate

IUPAC Name: (2-bromophenyl)methyl-ethyl-dimethylazanium; 4-methylbenzenesulfonate | CAS Registry Number: 61-75-6
Synonyms: Bretylium tosylate, Bretylol, Bretylate, Darenthin, Darentin, Ornid, Bretylium tosilate, Bretylan, Bretylium tolsylate, Bretylol (TN), Bretylium p-toluenesulfonate, Bretilio tosilato [DCIT], Lopac-B-8406, Bretylium tosilate (INN), Bretylium tosylate (USP), Bretylii tosilas [INN-Latin], ASL-603, Bretylium tosylate [USAN:BAN], MLS000028635, C11H17BrN.C7H7O3S

Molecular Formula:	C₁₈H₂₄BrNO₃S	Molecular Weight:	414.357060 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: KVWNWTZZBKCOPM-UHFFFAOYSA-M

• BROMFENAC

IUPAC Name: 2-[2-amino-3-(4-bromobenzoyl)phenyl]acetic acid | CAS Registry Number: 91714-94-2
Synonyms: Bromfenac, Bromfenaco, Bromfenacum, Xibrom, Duract, Bromfenacum [Latin], Bromfenac (INN), Bromfenac [INN], Bromfenaco [Spanish], BROMFENAC SODIUM, C15H12BrNO3, UNII-864P0921DW, CHEBI:240107, MolPort-000-883-091, CID60726, AHR-10282, 2-Amino-3-(4-bromobenzoyl)benzeneacetic acid, DB00963, LS-178156, Benzeneacetic acid, 2-amino-3-(4-bromobenzoyl)-

Molecular Formula:	C₁₅H₁₂BrNO₃	Molecular Weight:	334.164680 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	4

InChIKey: ZBPLOVFIXSTCRZ-UHFFFAOYSA-N

• CAPTODIAMINE HCLSALT

IUPAC Name: 2-[(4-butylsulfanylphenyl)-phenylmethyl]sulfanylethyl-dimethylazanium chloride | CAS Registry Number: 904-04-1
Synonyms: Covatine, Suvren, Captodiame HCl, Covatin hydrochloride, Covatix hydrochloride, Captodiame hydrochloride, Captodiamine hydrochloride, UNII-9I7N9PR9J2, C21H29NS2.HCl, EINECS 212-992-4, CID13484, AY 55074, N-68, LS-67965, p-Butylthiodiphenylmethyl 2-dimethylaminoethyl sulfide hydrochloride, p-Butylmercaptobenzhydryl beta-dimethylaminoethyl sulfide hydrochloride, 2((p-(Butylthio)-alpha-phenylbenzyl)thio)-N,N-dimethylethylamine hydrochloride, 2-(p-(Butylthio)-alpha-phenylbenzylthio)-N,N-dimethylethylamine hydrochloride, Ethylamine, 2-((p-(butylthio)-alpha-phenylbenzyl)thio)-N,N-dimethyl-, hydrochloride

Molecular Formula:	C₂₁H₃₀ClNS₂	Molecular Weight:	396.052600 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	1

InChIKey: IQCZDPRPOLRNQX-UHFFFAOYSA-N

• Diazoxide

IUPAC Name: 7-chloro-3-methyl-4H-benzo[e][1,2,4]thiadiazine 1,1-dioxide | CAS Registry Number: 364-98-7
Synonyms: diazoxide, Hyperstat, Proglycem, Hypertonalum, Proglicem, Eudemine, Dizoxide, Mutabase, Diazossido, Aroglycem, Diazossido [DCIT], Hyperstat (TN), Diazossido [Italian], Prestwick_163, Diazoxidum [INN-Latin], Sch 6783, Diazoxido [INN-Spanish], Tocris-0964, nchembio.150-comp49, Prestwick0_000087

Molecular Formula:	C₈H₇ClN₂O₂S	Molecular Weight:	230.671380 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: GDLBFKVLRPITMI-UHFFFAOYSA-N

• Diazoxide (TEVA API) (CAS: 314-89-5)

• DIPHEMANIL METHYLSULFATE

IUPAC Name: 4-benzhydrylidene-1,1-dimethylpiperidin-1-ium; methyl sulfate | CAS Registry Number: 62-97-5
Synonyms: Diphemanil, Prantal, Diphenmethanil, Nivelona, Demotil, Nivelon, Talpran, Variton, Diphemanilum, Diphenatil, Vagophemanil, Prantil, Prentol, Methyl sulfate, Mixture Name, Diphemanil methosulfate, Diphemanil metilsulfate, Diphemanil methyl sulfate, Prestwick_522, Prantal (TN)

Molecular Formula:	C₂₁H₂₇NO₄S	Molecular Weight:	389.508380 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: BREMLQBSKCSNNH-UHFFFAOYSA-M

• Ethacrynic Acid L-Cysteine Adduct

IUPAC Name: (2R)-2-amino-3-[2-[4-(carboxymethoxy)-2,3-dichlorobenzoyl]butylsulfanyl]propanoic acid | CAS Registry Number: 51246-37-8
Synonyms: Cysteine-ethacrynic Acid Adduct, Ethacrynic Acid-cysteine Complex, CTK1E5262, L-Cysteine, S-[2-[4-(carboxymethoxy)-2,3-dichlorobenzoyl]butyl]-, S-[2-[4-(Carboxymethoxy)-2,3-dichlorobenzoyl]butyl]-L-cysteine, Cysteine-ethacrynic Acid

Molecular Formula:	C₁₆H₁₉Cl₂NO₆S	Molecular Weight:	424.296160 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	8

InChIKey: MBVLLFXKDHUWAH-HTLJXXAVSA-N

• ETHACRYNIC ACID, SODIUM SALT

IUPAC Name: sodium 2-[2,3-dichloro-4-(2-methylidenebutanoyl)phenoxy]acetate | CAS Registry Number: 6500-81-8
Synonyms: ethacrynate, Edecrin, Edecrin Sodium, Ethacrynic acid sodium, ETHACRYNATE SODIUM, UNII-K41MYV7MPM, Ethacrynate sodium (USP), Ethacrynate Sodium [USAN], C13H11Cl2O4.Na, 58-54-8 (Parent), CID23003, LS-176418, D04079, Sodium (2,3-dichloro-4-(2-methylenebutyryl)phenoxy)acetate, Acetic acid, (2,3-dichloro-4-(2-methylene-1-oxobutyl)phenoxy)-, sodium salt

Molecular Formula:	C₁₃H₁₁Cl₂NaO₄	Molecular Weight:	325.119810 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: CWCSCNSKBSCYCS-UHFFFAOYSA-M

• Malathion

IUPAC Name: diethyl 2-dimethoxyphosphinothioylsulfanylbutanedioate | CAS Registry Number: 121-75-5
Synonyms: malathion, Mercaptothion, Carbophos, Carbofos, Karbofos, Maldison, Oleophosphothion, Phosphothion, Chemathion, Ethiolacar, Fosfothion, Fosfotion, Malaspray, Carbetox, Malagran, Malakill, Malaphos, Malathon, Moscarda, Prioderm

Molecular Formula:	C₁₀H₁₉O₆PS₂	Molecular Weight:	330.358021 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	6

InChIKey: JXSJBGJIGXNWCI-UHFFFAOYSA-N

• MALATHION (D10)

IUPAC Name: bis(1,1,2,2,2-pentadeuterioethyl) 2-dimethoxyphosphinothioylsulfanylbutanedioate | CAS Registry Number: 347841-48-9

Molecular Formula:	C₁₀H₁₉O₆PS₂	Molecular Weight:	340.419640 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	8

InChIKey: JXSJBGJIGXNWCI-JKSUIMTKSA-N

• Milrinone

IUPAC Name: 6-methyl-2-oxo-5-pyridin-4-yl-1H-pyridine-3-carbonitrile | CAS Registry Number: 78415-72-2
Synonyms: milrinone, Primacor, Milrinone lactate, Milrila, Milrinonum [Latin], Milrinona [Spanish], Milrila (TN), Ambap5086, Tocris-1504, Prestwick0_001065, Prestwick1_001065, Prestwick2_001065, Prestwick3_001065, Lopac-M-4659, Milrinone [USAN:BAN:INN], CCRIS 3795, Lopac0_000737, BSPBio_001050, Milrinone (JAN/USAN/INN), MLS000028818

Molecular Formula:	C₁₂H₉N₃O	Molecular Weight:	211.219360 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: PZRHRDRVRGEVNW-UHFFFAOYSA-N

• Ortho Hydroxybenzoic Acid

IUPAC Name: 2-hydroxybenzoic acid | CAS Registry Number: 69-72-7
Synonyms: salicylic acid, o-hydroxybenzoic acid, o-Carboxyphenol, 2-Hydroxybenzoic acid, salicylate, Rutranex, Verrugon, 2-Carboxyphenol, Keralyt, Salonil, Duoplant, Freezone, Saligel, Retarder W, Ionil, Compound w, Psoriacid-S-stift, Domerine, Occlusal, Sebucare

Molecular Formula:	C₇H₆O₃	Molecular Weight:	138.120740 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: YGSDEFSMJLZEOE-UHFFFAOYSA-N

• Oxomemazine

IUPAC Name: 3-(5,5-dioxophenothiazin-10-yl)-N,N,2-trimethylpropan-1-amine | CAS Registry Number: 3689-50-7
Synonyms: Doxergan, Oxymemazine, Dosegran, Dysedon, Imakol, Doxergan (TN), Oxomemazine (INN), Alimemazine S,S-dioxide, Oxomemazinum [INN-Latin], Oxomemazina [INN-Spanish], Oxomemazine [DCF:INN], Oxomemazine [INN:DCF], EINECS 222-996-8, CID19396, RP 6847, BRN 0289178, 6847 R.P, 6847 R.P., LS-105477, D07401

Molecular Formula:	C₁₈H₂₂N₂O₂S	Molecular Weight:	330.444480 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: QTQPVLDZQVPLGV-UHFFFAOYSA-N

• OXOMEMAZINE HCL

IUPAC Name: 3-(5,5-dioxophenothiazin-10-yl)-N,N,2-trimethylpropan-1-amine hydrochloride | CAS Registry Number: 4784-40-1
Synonyms: EINECS 225-330-4, CID3083870, N,N,beta-Trimethyl-10H-phenothiazine-10-propylamine 5,5-dioxide monohydrochloride

Molecular Formula:	C₁₈H₂₃ClN₂O₂S	Molecular Weight:	366.905420 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: NPMMOYKGIWLASW-UHFFFAOYSA-N

• Phytonadione

IUPAC Name: 2-methyl-3-[(E)-3,7,11,15-tetramethylhexadec-2-enyl]naphthalene-1,4-dione | CAS Registry Number: 84-80-0
Synonyms: phytonadione, Phylloquinone, Phytomenadione, Mephyton, Phytylmenadione, Aquamephyton, Kinadion, Konakion, Monodion, Kephton, Aqua mephyton, Phyllochinonum, Phytonadionum, Synthex P, Mono-Kay, VITAMIN K1, Combinal K1, Kativ N, K-Ject, Phyllochinon

Molecular Formula:	C₃₁H₄₆O₂	Molecular Weight:	450.695740 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: MBWXNTAXLNYFJB-LKUDQCMESA-N

• Phytonadione (vitamin K1)

• Piribedil (CAS: 3605-1-4)

• Prochlorperazine Mesylate

IUPAC Name: 2-chloro-10-[3-(4-methylpiperazin-1-yl)propyl]phenothiazine;methanesulfonic acid | CAS Registry Number: 5132-55-8
Synonyms: EINECS 221-473-1, Prochlorperazine hydrogen methanesulfonate, 3111-70-4, Prochlorperazine mesylate, 2-Chloro-10-(3-(4-methyl-1-piperazinyl)propyl)-10H-phenothiazine monomethanesulphonate, Phenothiazine, 2-chloro-10-(3-(4-methyl-1-piperazinyl)propyl)-, hydrogen methanesulfonate, Piperazine, 1-methyl-4-(3-(2-chloro-phenothiazin-10-yl)propyl)-, hydrogen methanesulfonate, 2-chloro-10-[3-(4-methylpiperazin-1-yl)propyl]phenothiazine; methanesulfonic acid, AC1L3RU5, PROCHLORPERAZINEMESYLATE, SCHEMBL1527298, LS-105401, W0067, 2-chloro-10-[3- propyl]-10H-phenothiazinemonomethanesulphonate, 2-chloro-10-[3-(4-methylpiperazin-1-yl)propyl]-10H-phenothiazine methanesulfonate (1:1)

Molecular Formula:	C₂₁H₂₈ClN₃O₃S₂	Molecular Weight:	470.048320 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	7

InChIKey: WLFCZUKGFJNFQY-UHFFFAOYSA-N

• Sulpiride

IUPAC Name: N-[(1-ethylpyrrolidin-2-yl)methyl]-2-methoxy-5-sulfamoylbenzamide | CAS Registry Number: 15676-16-1
Synonyms: sulpiride, Aiglonyl, Sulpirid, Sulpyrid, Guastil, Levosulpiride, Dogmatil, Dogmatyl, Dolmatil, Mirbanil, Misulvan, Psicocen, Eglonyl, Miradol, Neogama, Omperan, Splotin, Abilit, Meresa, Calmoflorine

Molecular Formula:	C₁₅H₂₃N₃O₄S	Molecular Weight:	341.425820 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	6

InChIKey: BGRJTUBHPOOWDU-UHFFFAOYSA-N

• Thiamine Hydrochloride (Vitamin B1 Hydrochloride)

IUPAC Name: 2-[3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-4-methyl-1,3-thiazol-3-ium-5-yl]ethanol chloride hydrochloride | CAS Registry Number: 67-03-8
Synonyms: Bethiazine, Clotiamina, Thiadoxine, Vitaneuron, Begiolan, Bevitine, Bithiamin, Eskaphen, Metabolin, Thiaminal, Tiamidon, Tiaminal, Trophite, Vinothiam, Beatine, Benerva, Betaxin, Bevitex, Bivatin, Eskapen

Molecular Formula:	C₁₂H₁₈Cl₂N₄OS	Molecular Weight:	337.268520 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	5

InChIKey: DPJRMOMPQZCRJU-UHFFFAOYSA-M

• 1 Phenyl 3 Methyl 5 Pyrazolone

IUPAC Name: 5-methyl-2-phenyl-4H-pyrazol-3-one | CAS Registry Number: 89-25-8
Synonyms: edaravone, Norphenazone, Radicut, Norantipyrine, Developer Z, edarabone, Methylphenylpyrazolone, Phenylmethylpyrazolone, C.I. Developer 1, CI Developer 1, Phenyl methyl pyrazolone, Radicut (TN), 1-Phenyl-3-methyl-5-pyrazolone, 1-Phenyl-3-methylpyrazolone, Spectrum_000267, Tocris-0786, MCI-186, Edaravone (JAN/INN), 3-Methyl-1-phenyl-5-pyrazolone, Maybridge1_005738

Molecular Formula:	C₁₀H₁₀N₂O	Molecular Weight:	174.199200 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: QELUYTUMUWHWMC-UHFFFAOYSA-N

• 2,4-Dichloro Benzyl Alcohol

IUPAC Name: (2,4-dichlorophenyl)methanol | CAS Registry Number: 1777-82-8
Synonyms: Dybenal, Rapidosept, Myacide SP, 2,4-Dichlorobenzyl alcohol, 2,4-Dichlorobenzenemethanol, Benzyl alcohol, 2,4-dichloro-, Benzenemethanol, 2,4-dichloro-, (2,4-Dichlorophenyl)methanol, 146668_ALDRICH, 35448_FLUKA, CHEBI:48220, DAlc2-H_000039, EINECS 217-210-5, 2,4-DICHLOROBENZYLALCOHOL, NSC 15635, NSC15635, BRN 1448652, ZINC00157458, AI3-20619, Benzenemethanol, 2,4-dichloro- (9CI)

Molecular Formula:	C₇H₆Cl₂O	Molecular Weight:	177.027940 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	1

InChIKey: DBHODFSFBXJZNY-UHFFFAOYSA-N