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Profile: Chemzam Pharmtech Co., Ltd. offers APIs, intermediates and fine chemicals. Our intermediates & fine chemicals include indoles such as indole-3-butyric acid, 4-hydroxy-2-methyindole, 5-nitroindole-2-carboxylic acid, 1-methylindole-2-carboxylic acid, 4,6-dicloroindole-2-carboxylic acid, ethyl,4,6-dicloroindole-2-carboxylate and 7-nitroindazole. We offer APIs such as alosetron hydrochloride, citalopram hydrobromide, escitalopram oxalate, memantine hydrochloride, quinacrine, atabrine mepacrine, sarpogrelate hydrochloride, zonisamide, levamlodipine besylate and edaravone.

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• 2,4-Dibromothiazole

IUPAC Name: 2,4-dibromo-1,3-thiazole | CAS Registry Number: 4175-77-3
Synonyms: sOxLLLQACqDfWMijP@, 677914_ALDRICH, ZINC02245232, D2472G1

Molecular Formula:	C₃HBr₂NS	Molecular Weight:	242.919740 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: MKEJZKKVVUZXIS-UHFFFAOYSA-N

• 1,2-Benzisoxazol-3-ylacetic acid

IUPAC Name: 2-(1,2-benzoxazol-3-yl)acetic acid | CAS Registry Number: 4865-84-3
Synonyms: Maybridge1_005391, Oprea1_695883, NSC179803, 1,2-benzisoxazol-3-ylacetic acid, CID301729, SDCCGMLS-0066152.P001, 2-(1,2-Benzisoxazol-3-yl)acetic acid, TL8003270, AE-508/09521058, 10W-0718, SR-01000634770-1

Molecular Formula:	C₉H₇NO₃	Molecular Weight:	177.156780 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: BVSIAYQIMUUCRW-UHFFFAOYSA-N

• 2,2'-Dipyridyl-4,4'-dicarboxylic acid

IUPAC Name: 2-(3,4-dimethylphenoxy)-N'-[1-(4-phenylphenyl)ethenyl]acetohydrazide | CAS Registry Number: 6813-38-3

Molecular Formula:	C₂₄H₂₄N₂O₂	Molecular Weight:	372.459560 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: YEDCTLOUYHSWIE-UHFFFAOYSA-N

• 2,2'-Bipyridine, 4,4'-bis(1-octylnonyl)-

IUPAC Name: 4-heptadecan-9-yl-2-(4-heptadecan-9-ylpyridin-2-yl)pyridine | CAS Registry Number: 258262-75-8
Synonyms: 4,4'-Bis(1-octylnonyl)-2,2'-bipyridine, AG-E-79868, SureCN174988, CTK4F6521, MolPort-019-878-655, AKOS016010219, AK114710, KB-35434, 2,2'-Bipyridine,4,4'-bis(1-octylnonyl)-, FT-0649144, 4,4'-Di(heptadecan-9-yl)-2,2'-bipyridine, A818042, 4-heptadecan-9-yl-2-(4-heptadecan-9-yl-2-pyridinyl)pyridine, 4-heptadecan-9-yl-2-(4-heptadecan-9-ylpyridin-2-yl)pyridine

Molecular Formula:	C₄₄H₇₆N₂	Molecular Weight:	633.087640 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: FTKPGBZUHQFIEY-UHFFFAOYSA-N

• 2,2'-Bipyridine-3,3'-dicarboxylic acid

IUPAC Name: 2-(3-carboxypyridin-2-yl)pyridine-3-carboxylic acid | CAS Registry Number: 4433-01-6
Synonyms: 2,2'-bipyridine-3,3'-dicarboxylic acid, [2,2'-Bipyridine]-3,3'-dicarboxylic acid, 2-(3-carboxy-2-pyridyl)pyridine-3-carboxylic acid, ZERO/001881, 2,2'-Binicotinic Acid, ACMC-1AP1W, ChemDiv2_002789, SureCN270419, AC1LE82A, Oprea1_020777, CBDivE_002636, MLS000085982, 457191_ALDRICH, STOCK5S-60395, CTK1D5752, MolPort-000-478-272, HMS1376O17, HMS2349A23, ANW-13900, SBB002414

Molecular Formula:	C₁₂H₈N₂O₄	Molecular Weight:	244.202920 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	6

InChIKey: KNVZVRWMLMPTTJ-UHFFFAOYSA-N

• [[2,2'-Bipyridine]-4,4'-diylbis(methylene)]bis[phosphonic acid] tetraethyl ester

IUPAC Name: 4-(diethoxyphosphorylmethyl)-2-[4-(diethoxyphosphorylmethyl)pyridin-2-yl]pyridine | CAS Registry Number: 176220-38-5
Synonyms: 4,4'-Bis(diethylmethylphosphonate)-2,2'-bipyridine, [[2,2'-Bipyridine]-4,4'-diylbis(methylene)]bisphosphonic acid tetraethyl ester, AKOS015899577, AB1010061, KB-144363, I14-11074

Molecular Formula:	C₂₀H₃₀N₂O₆P₂	Molecular Weight:	456.409524 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	8

InChIKey: OQVYMXCRDHDTTH-UHFFFAOYSA-N

• 5-Bromo-2-iodopyridine

IUPAC Name: 5-bromo-2-iodopyridine | CAS Registry Number: 223463-13-6
Synonyms: TPC-PY050, 569607_ALDRICH, ZINC00369400, CID593690, STK049509, B258, TL806311

Molecular Formula:	C₅H₃BrIN	Molecular Weight:	283.892490 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: HSNBRDZXJMPDGH-UHFFFAOYSA-N

• 4,4'-Bis(nonyl)-2,2'-bipyridine

IUPAC Name: 4-nonyl-2-(4-nonylpyridin-2-yl)pyridine | CAS Registry Number: 142646-58-0
Synonyms: 4,4'-DINONYL-2,2'-BIPYRIDINE, 4,4'-Dinonyl-2,2'-bipyridyl, AG-D-84443, ST51038480, dNbpy, 4-nonyl-2-(4-nonylpyridin-2-yl)pyridine, ACMC-1CCTU, AC1N7UGP, SureCN529596, 482250_ALDRICH, CTK0H4779, 4,4'-Dinonyl-2,2'-dipyridyl, 4,4'-Di-n-nonyl-2,2'-dipyridyl, ANW-20712, AKOS015839917, AM84388, 4-nonyl-2-(4-nonyl(2-pyridyl))pyridine, AB1010062, KB-145227, D3917

Molecular Formula:	C₂₈H₄₄N₂	Molecular Weight:	408.662360 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: VHJFWJXYEWHCGD-UHFFFAOYSA-N

• 2,4-Piperadinedione

IUPAC Name: piperidine-2,4-dione | CAS Registry Number: 50607-30-2
Synonyms: 2,4-Piperidinedione, Piperidine-2,4-dione, PIPERIDIN-2,4-DIONE, SureCN869, PubChem22543, ACMC-209ko8, 2,4-DIOXOPIPERIDINE, 2,4-DIKETOPIPERIDINE, KSC269I7F, CTK1G9472, BH550, ACT08870, ANW-31062, FC0414, WTI-11493, ZINC38530209, AKOS005255444, AG-F-70252, PB20308, RP19093

Molecular Formula:	C₅H₇NO₂	Molecular Weight:	113.114580 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: RDNZDMDLRIQQAX-UHFFFAOYSA-N

• 2-Naphthalenebutyric acid

IUPAC Name: 4-naphthalen-2-ylbutanoic acid | CAS Registry Number: 782-28-5
Synonyms: 2-Naphthalenebutanoic acid, NSC3036, NCIStruc1_000032, NCIStruc2_000279, 4-(2-Naphthyl)butanoic acid, .gamma.-(2-Naphthyl)butyric acid, BETA-NAPHTHYL-N-BUTYRATE, 4-naphthalen-2-yl-butyric acid, NCI3036, NSC-3036, NCGC00013029, NCGC00096156-01, NCI60_002564

Molecular Formula:	C₁₄H₁₄O₂	Molecular Weight:	214.259760 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: HBRVUQIGDLSBCB-UHFFFAOYSA-N

• 4,6-Dichloroindole-2-carboxylic acid

IUPAC Name: 4,6-dichloro-1H-indole-2-carboxylic acid | CAS Registry Number: 101861-63-6
Synonyms: 3-Dccip, Ambap6241, Spectrum_001822, SpecPlus_000800, Maybridge1_006804, Oprea1_268024, KBioSS_002327, DivK1c_006896, Mdl 29951, Mdl-29951, KBio1_001840, KBio2_002324, KBio2_004892, KBio2_007460, Indole-2-carboxylic acid, 4,6-dichloro-, 3-(4,6-Dichloro-2-carboxyindol-3-yl)propionic acid

Molecular Formula:	C₉H₅Cl₂NO₂	Molecular Weight:	230.047500 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: DHXISZKSSIWRLH-UHFFFAOYSA-N

• 6-Aminoindole

IUPAC Name: 3-chloro-N'-[(E)-[4-(diethylamino)-6-oxocyclohexa-2,4-dien-1-ylidene]methyl]benzohydrazide | CAS Registry Number: 5318-27-4
Synonyms: ARONIS017436, STK003164, ZINC00238816, CID5332359

Molecular Formula:	C₁₈H₂₀ClN₃O₂	Molecular Weight:	345.823300 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	4

InChIKey: XOPKNRXGTBBKBH-WYMLVPIESA-N

• 4-Aminobenzamidine Dihydrochloride

IUPAC Name: 4-aminobenzenecarboximidamide dihydrochloride | CAS Registry Number: 2498-50-2
Synonyms: Ambap7531, 4-Aminobenzamidine dihydrochloride, p-Aminobenzamidine dihydrochloride, 857661_ALDRICH, 06880_FLUKA, EINECS 219-692-2, Benzamidine, p-amino-, dihydrochloride, 4-Aminobenzenecarboximidamide dihydrochloride, NCGC00093580-01, LS-27460, Benzenecarboximidamide, 4-amino-, dihydrochloride, EU-0100070, C11628

Molecular Formula:	C₇H₁₁Cl₂N₃	Molecular Weight:	208.088340 [g/mol]
H-Bond Donor:	5	H-Bond Acceptor:	3

InChIKey: GHEHNICLPWTXJC-UHFFFAOYSA-N

• 1-Methylindole-2-carboxylic acid

IUPAC Name: 1-methylindole-2-carboxylic acid | CAS Registry Number: 16136-58-6
Synonyms: ChemDiv3_011259, 1-Methyl-1H-indole-2-carboxylic acid, 1-Methyl-2-indolecarboxylic acid, 134155_ALDRICH, Indole-2-carboxylic acid, 1-methyl-, 1H-INDOLE-2-CARBOXYLIC ACID, 1-METHYL-, AIDS052337, AIDS-052337, ALBB-007751, NSC68357, BRN 0007274, IDI1_028817, LS-82730, ST039851, EU-0015870, M-4050, 5-22-03-00015 (Beilstein Handbook Reference), CS-007/03901012, InChI=1/C10H9NO2/c1-11-8-5-3-2-4-7(8)6-9(11)10(12)13/h2-6H,1H3,(H,12,13

Molecular Formula:	C₁₀H₉NO₂	Molecular Weight:	175.183960 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: MAHAMBLNIDMREX-UHFFFAOYSA-N

• 2-Methylindole

IUPAC Name: 2-methyl-1H-indole | CAS Registry Number: 95-20-5
Synonyms: 2-METHYLINDOLE, 2-Methyl-1H-indole, Indole, 2-methyl-, 1H-Indole, 2-methyl-, M51407_ALDRICH, Indole, 2-methyl- (8CI), ARONIS020142, NSC 7514, EINECS 202-398-3, NSC7514, ZINC01088076, AI3-03945, LS-83246, LS-83247, ST040425, TL8005985, M-3895, InChI=1/C9H9N/c1-7-6-8-4-2-3-5-9(8)10-7/h2-6,10H,1H, 2MI

Molecular Formula:	C₉H₉N	Molecular Weight:	131.174460 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	1

InChIKey: BHNHHSOHWZKFOX-UHFFFAOYSA-N

• 5-Nitroindole

IUPAC Name: 5-nitro-1H-indole | CAS Registry Number: 6146-52-7
Synonyms: 5-Nitro-1H-indole, 1H-Indole, 5-nitro-, INDOLE, 5-NITRO-, CCRIS 3255, Oprea1_492280, N17602_ALDRICH, EINECS 228-153-0, 1H-Indole, 5-nitro- (9CI), NSC520594, ZINC00105247, LS-83315, SB 01605, ST5406179, TL8003894, N-3000

Molecular Formula:	C₈H₆N₂O₂	Molecular Weight:	162.145440 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: OZFPSOBLQZPIAV-UHFFFAOYSA-N

• 4-Amino-2,6-dihydroxypyrimidine

IUPAC Name: 6-amino-1H-pyrimidine-2,4-dione | CAS Registry Number: 873-83-6
Synonyms: 6-Aminouracil, 4-Aminouracil, Uracil, 6-amino-, Cytosine, 6-hydroxy-, 6-Amino-2,4-pyrimidinediol, 4-Amino-2,6-pyrimidinediol, 4-Amino-2,6-dioxypyrimidine, 6-Amino-2,4-dihydroxypyrimidine, WLN: T6MVMVJ FZ, 4-Amino-2,6-dihydroxylpyrimidine, 6-aminopyrimidine-2,4-diol, Uracil, 6-amino- (VAN), A50606_ALDRICH, NSC 7367, 09630_FLUKA, 2,4(1H,3H)-Pyrimidinedione, 6-amino-, EINECS 212-854-3, NSC7367, NSC 15919, AIDS023069

Molecular Formula:	C₄H₅N₃O₂	Molecular Weight:	127.101400 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	3

InChIKey: LNDZXOWGUAIUBG-UHFFFAOYSA-N

• 4-Hydroxyindole

IUPAC Name: 1H-indol-4-ol | CAS Registry Number: 2380-94-1
Synonyms: Hydroxyindole, 4-Indolol, 1H-Indol-4-ol, 4-hydroxyindole, 18, 219878_ALDRICH, EINECS 219-177-2, ZINC00153008, F2313G1, SDCCGMLS-0065859.P001, ST5330636, TL8001968, C02040, H-6000, H-6010

Molecular Formula:	C₈H₇NO	Molecular Weight:	133.147280 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: NLMQHXUGJIAKTH-UHFFFAOYSA-N

• 4-Aminoindole

IUPAC Name: 1H-indol-4-amine | CAS Registry Number: 5192-23-4
Synonyms: 4-Indolamine, 1H-Indol-4-amine, 525022_ALDRICH, 08244_FLUKA, ZINC00153904, CID583431, TL8003436, 2P-050, A-5600

Molecular Formula:	C₈H₈N₂	Molecular Weight:	132.162520 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: LUNUNJFSHKSXGQ-UHFFFAOYSA-N

• 4,4-Bis(hydroxymethyl)-2,2-bipyridine

IUPAC Name: [2-[4-(hydroxymethyl)pyridin-2-yl]pyridin-4-yl]methanol | CAS Registry Number: 109073-77-0
Synonyms: 4,4'-Bis(hydroxymethyl)-2,2'-bipyridine, 2,2'-Bipyridine-4,4'-dimethanol, SureCN1411265, CHEMBL1650629, CTK0H4778, [2-[4-(hydroxymethyl)pyridin-2-yl]pyridin-4-yl]methanol, ACMC-209927, ANW-16013, 2,2'-Bipyridine-4,4'-dimethanol;, AKOS015856465, AG-D-25833, [2,2'-Bipyridine]-4,4'-diyldimethanol, AK-84389, Q626, 4,4'-Bis(hydroxymethyl)-2,2'-bipyridyl, AB1010051, KB-145222, B3511, M-1997, A801962

Molecular Formula:	C₁₂H₁₂N₂O₂	Molecular Weight:	216.235880 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	4

InChIKey: RRXGRDMHWYLJSY-UHFFFAOYSA-N

• 4,6-Dihydroxy-5-formylpyrimidine

IUPAC Name: (5E)-5-(hydroxymethylidene)-1H-pyrimidine-4,6-dione | CAS Registry Number: 14256-99-6
Synonyms: NSC338562, 5-Pyrimidinecarboxaldehyde, 1,4-dihydro-6-hydroxy-4-oxo-

Molecular Formula:	C₅H₄N₂O₃	Molecular Weight:	140.096860 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: IIENOMUDGIADAW-UHFFFAOYSA-N

• 5-Nitroindole-2-carboxylic acid

IUPAC Name: 5-nitro-1H-indole-2-carboxylic acid | CAS Registry Number: 16730-20-4
Synonyms: Ambap5237, NSC520595, CID351291, TL8001290, N-3298

Molecular Formula:	C₉H₆N₂O₄	Molecular Weight:	206.154940 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	5

InChIKey: LHFOJSCXLFKDIR-UHFFFAOYSA-N

• 2,5-Dichloro-3-nitropyridine

IUPAC Name: 2,5-dichloro-3-nitropyridine | CAS Registry Number: 21427-62-3
Synonyms: 2.5-Dichloro-3-nitropyridine, 2,5-dichloro-3-nitro pyridine, 2,5-dichloro-3-nitro-pyridine, SBB063554, AG-E-56997, ZINC06731762, PubChem2267, AC1OYHXT, ACMC-1CDLK, KSC495E7T, 2,5 dichloro-3-nitropyridine, 2,5 dichloro-3-nitro pyridine, CTK3J5279, MolPort-001-760-927, ACN-S003348, ANW-24439, WT1491, AKOS002112621, HP13442, LS20445

Molecular Formula:	C₅H₂Cl₂N₂O₂	Molecular Weight:	192.987580 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: OBUGJYJQJWMOQO-UHFFFAOYSA-N

• 4-Bromothiazole

IUPAC Name: 4-bromo-1,3-thiazole | CAS Registry Number: 34259-99-9
Synonyms: ZINC04198774, CID2763218, FS000572

Molecular Formula:	C₃H₂BrNS	Molecular Weight:	164.023680 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: VDTIGYKLTROQAH-UHFFFAOYSA-N

• 2,4-Dichlorothiazole

IUPAC Name: 2,4-dichloro-1,3-thiazole | CAS Registry Number: 4175-76-2
Synonyms: 2,4-dichloro-1,3-thiazole, 2,4-Dichloro-thiazole, dichlorothiazole, ACMC-1ALBT, SureCN149587, AC1Q3KS4, KSC235O9B, CTK1D5790, MolPort-002-471-879, ANW-29670, SBB086954, ZINC08939671, AKOS005072743, AG-F-48504, FD-0206, MCULE-3625040467, RP10083, AK-23570, BR-23570, KB-17484

Molecular Formula:	C₃HCl₂NS	Molecular Weight:	154.017740 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: ICETWLGKJXCIDX-UHFFFAOYSA-N

• 4,4'-Dichloro-2,2'-bipyridine

IUPAC Name: 4-chloro-2-(4-chloropyridin-2-yl)pyridine | CAS Registry Number: 1762-41-0
Synonyms: CID137200

Molecular Formula:	C₁₀H₆Cl₂N₂	Molecular Weight:	225.074040 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: UBSRTSGCWBPLQF-UHFFFAOYSA-N

• 6-Methyl-1H-indazol-5-ol

IUPAC Name: 6-methyl-1H-indazol-5-ol | CAS Registry Number: 478832-60-9
Synonyms: 6-methyl-1H-indazol-5-ol, PubChem23781, SureCN1360997, 1H-Indazol-5-ol,6-methyl-, CTK8B4549, MolPort-004-764-773, 5-HYDROXY-6-METHYLINDAZOLE, ACT03687, ANW-45449, AKOS006288324, AC-5196, BCP9000195, QC-2921, AK-23868, KB-65182, AB1000400, W6454, A827366

Molecular Formula:	C₈H₈N₂O	Molecular Weight:	148.161920 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: NTOBXXNRFCWTAH-UHFFFAOYSA-N

• 5-Bromopyridine-2-Carbaldehyde (CAS: 31181-07-2)