Zhejiang Huafang Pharmaceutical Co., Ltd.

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Profile: Zhejiang Huafang Pharmaceutical Co., Ltd. is a manufacturer of active pharmaceutical ingredients and intermediates. We are accredited with ISO 9001 & ISO 14001 certifications. Our APIs include aztreonam, cefprozil, cefditoren sodium, cefditoren pivoxil, cefcapene pivoxil, ceftizoxime, ceftizoxime sodium, cetirizine hydrochloride, levocetirizine hydrochloride and itraconazole. We provide intermediates such as ethyl 2-(2-aminothiazol-4-yl) acetate, 2-(2-aminothiazol-4-yl) acetic acid, ethyl 2-(2-formylaminothiazol-4-yl) acetate, ethyl 2-aminothiazol-4-carboxylate, 2-(2-benzyloxycarbonylaminothiazol-4-yl)-4-(3-methyl-2-butenyloxycarbonyl)-2-butenoic acid, ethyl (Z)-2-(2-aminothiazol-4-yl)-2-(1-t-butoxycarbonyl-1-methyl)ethoxyiminoacetate and 3-hydroxy-5-mercapto-4-isothiazolecarboxylic acid trisodium salt.

43 Products/Chemicals (Click for related suppliers)

• Amino Mercapto Thiadiazole

IUPAC Name: 5-amino-3H-1,3,4-thiadiazole-2-thione | CAS Registry Number: 2349-67-9
Synonyms: USAF PD-25, 2-Amino-5-mercapto-1,3,4-thiadiazole, 5-Amino-1,3,4-thiadiazole-2-thiol, CCRIS 6893, WLN: T5NN DSJ CZ ESH, 127906_ALDRICH, 2-Thiol-5-amino-1,3,4-thiadiazole, EINECS 219-078-4, 1,3,4-Thiadiazole-2(3H)-thione, 5-amino-, 2-Mercapto-5-amino-1,3,4-thiadiazole, 5-Amino-1,3,4-thiadiazoline-2-thione, 5-Amino-2-mercapto-1,3,4-thiadiazole, NSC 21402, 1,3,4-Thiadiazole-2-thiol, 5-amino-, AIDS020333, NSC 209061, AIDS-020333, NSC21402, NSC209061, SBB007565

Molecular Formula:	C₂H₃N₃S₂	Molecular Weight:	133.195320 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: GDGIVSREGUOIJZ-UHFFFAOYSA-N

• At-Tba (CAS: 86299-47-0)

• Cefprozil (CAS: 92665-29-7)

• Cis Bromobenzoate (CAS: 61397-56-6)

• Cis-(2-(2,4-Dichlorophenyl)-2-(1h-1,2,4-Triazol-1-Ylmethyl)-1,3-Dioxolan-4-Yl)methyl-P-Toluenesulfonate

IUPAC Name: [(2S,4S)-2-(2,4-dichlorophenyl)-2-(1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]methyl 4-methylbenzenesulfonate | CAS Registry Number: 113770-65-3
Synonyms: ((2S,4S)-2-((1H-1,2,4-Triazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methyl 4-methylbenzenesulfonate, (2R,4R) cis-(2,4-Dichlorophenyl)-2-(1,2,4-triazole-1-yl-methyl)-1,3-dioxolane-4yl-methyl-p-tolysulfonate, CTK8C0063, MolPort-005-934-635, ANW-64011, ZINC21984818, AKOS015961513, AC-14012, AK-56611, KB-204944

Molecular Formula:	C₂₀H₁₉Cl₂N₃O₅S	Molecular Weight:	484.352960 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	7

InChIKey: USLNGHIZGCHFQQ-OXJNMPFZSA-N

• Ethyl (Z)-2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetate (CAS: 64485-82-1)

• Ethyl 2-(2-aminothiazol-4-yl)glyoxylate (CAS: 64987-08-2)

• ethyl 2-(formylamino)-4-thiazoleacetate (CAS: 64987-05-9)

• ethyl-(Z)-2-(2-aminothiazol-4-yl)-2-butoxycarbonylprop-2-oxyimino)-acetate (CAS: 86299-46-9)

• Ethyl-2-(2-Aminothiazole-4-Yl) Acetate

IUPAC Name: ethyl 2-(2-amino-1,3-thiazol-4-yl)acetate | CAS Registry Number: 53266-94-7
Synonyms: Maybridge3_006161, Oprea1_589016, Ethyl 2-aminothiazole-4-acetate, MLS000521344, 220558_ALDRICH, Ethyl 2-aminothiazol-4-acetate, 09486_FLUKA, Ethyl 2-amino-4-thiazoleacetate, ZINC00035856, ALBB-001556, EINECS 258-452-1, CID104454, SBB000258, Ethyl (2-amino-1,3-thiazol-4-yl)acetate, IDI1_017548, SMR000131752, EU-0066637, AB-601/30963022, SR-01000597199-2

Molecular Formula:	C₇H₁₀N₂O₂S	Molecular Weight:	186.231500 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: SHQNGLYXRFCPGZ-UHFFFAOYSA-N

• Ho-Epcp (CAS: 62893-24-7)

• Itraconazole (CAS: 84625-61-6)

• Mmtd (2-Mercapto-5-methyl-1,3,4-thiadiazole)

IUPAC Name: 5-methyl-3H-1,3,4-thiadiazole-2-thione | CAS Registry Number: 29490-19-5
Synonyms: 188573_ALDRICH, EINECS 249-667-1, SBB004217, ZINC02168303, 2-Mercapto-5-methyl-1,3,4-thiadiazole, 5-Methyl-1,3,4-thiadiazole-2-thiol, 1,3,4-Thiadiazole-2(3H)-thione, 5-methyl-, d2-1,3,4-Thiadiazoline-5-thione, 2-methyl-, AI3-62194, ST5214736, TL8006102, 5-Methyl-1,3,4-thiadiazole-2(3H)-thione, 2-MERCATO-S-METHYL-1,3,4-THIADIAZOLE, InChI=1/C3H4N2S2/c1-2-4-5-3(6)7-2/h1H3,(H,5,6

Molecular Formula:	C₃H₄N₂S₂	Molecular Weight:	132.207260 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	1

InChIKey: FPVUWZFFEGYCGB-UHFFFAOYSA-N

• N,O-Dimethylhydroxylamine Hydrochloride (CAS: 6638-79-5)

• O-Methylhydroxylamine Hydrochloride

IUPAC Name: O-methylhydroxylamine hydrochloride | CAS Registry Number: 593-56-6
Synonyms: O-Methoxyamine HCl, Methoxyamine hydrochloride, Methoxyammonium chloride, Methoxylamine hydrochloride, 33045U_SUPELCO, SPECTRUM1503970, (aminooxy)methane hydrochloride, 225517_ALDRICH, 226904_ALDRICH, METHOXAMINE HYDROCHLORIDE, O-METHYLHYDROXYLAMINE HCl, hydroxymethyltransferase inhibitor, NSC3801, Methoxylamine hydrochloride solution, O-METHYLHYDROXYLAMINE HYDROCHLORIDE, Hydroxylamine, O-methyl-, hydrochloride, NCGC00095839-01, SL-00501

Molecular Formula:	CH₆ClNO	Molecular Weight:	83.517440 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: XNXVOSBNFZWHBV-UHFFFAOYSA-N

• S-2-Benzothiazolyl-2-amino-alpha-methoxyimino-4-thiazoleacetate (CAS: 80756-85-0)

• Thiotriazinone

IUPAC Name: 2-methyl-3-sulfanylidene-1,2,4-triazinane-5,6-dione | CAS Registry Number: 58909-39-0
Synonyms: 549746_ALDRICH, ZINC02556294, EINECS 261-490-1, CID3034640, Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione

Molecular Formula:	C₄H₅N₃O₂S	Molecular Weight:	159.166400 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: UMWWHOXOVPIGFD-UHFFFAOYSA-N

• 2-Amino-4-Thiazolyl Acetic Acid

IUPAC Name: 2-(2-amino-1,3-thiazol-4-yl)acetic acid | CAS Registry Number: 29676-71-9
Synonyms: 2-AMINO-4-THIAZOLEACETIC ACID, 2-Aminothiazol-4-acetic acid, 249696_ALDRICH, EINECS 249-769-6, (2-Aminothiazole-4-yl)acetic acid, SBB003994, LS-1140, NCGC00091091-01, (2-Amino-1,3-thiazol-4-yl)acetic acid

Molecular Formula:	C₅H₆N₂O₂S	Molecular Weight:	158.178340 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	4

InChIKey: DYCLHZPOADTVKK-UHFFFAOYSA-N

• 2-(2-Aminothiazol-4-yl)acetic acid hydrochloride (CAS: 66659-20-9)

• 2-(2-aminothiazol-4-yl)-glyoxylic acid (CAS: 73150-67-1)

• (Z)-2-(2-Tritylaminothiazol-4-yl)-2-methoxyiminoacetic acid (CAS: 64485-90-1)

• (Z)-2-(Methoxycarbonylmethoxyimino)-2-(2-aminothiazol-4-yl)acetic acid (CAS: 80544-17-8)

• 2-Mercaptobenzothazolyl (Z)-2-(2-aminothiazol-4-yl)-2-(tert-butoxycarbonylmethoxyimino)acetate (CAS: 89605-09-4)

• (Benzothiazol-2-yl)-(Z)-2-tritylimino-2-(2-aminothiazol-4-yl)thioacetate

IUPAC Name: S-(1,3-benzothiazol-2-yl) 2-(2-amino-1,3-thiazol-4-yl)-2-trityloxyiminoethanethioate | CAS Registry Number: 143183-03-3
Synonyms: (Z)-S-Benzo[d]thiazol-2-yl 2-(2-aminothiazol-4-yl)-2-((trityloxy)imino)ethanethioate, AGN-PC-00F0N0, CTK8B6586, ANW-53705, A808033, (Z)-S-benzo[d]thiazol-2-yl 2-(2-aminothiazol-4-yl)-2-(trityloxyimino)ethanethioate, 2-(2-amino-4-thiazolyl)-2-(triphenylmethyl)oxyiminoethanethioic acid S-(1,3-benzothiazol-2-yl) ester, S-(1,3-benzothiazol-2-yl) (2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-trityloxyiminoethanethioate, S-(1,3-benzothiazol-2-yl) 2-(2-azanyl-1,3-thiazol-4-yl)-2-(triphenylmethyl)oxyimino-ethanethioate

Molecular Formula:	C₃₁H₂₂N₄O₂S₃	Molecular Weight:	578.726980 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	9

InChIKey: UYVFYQGIARQHJC-UHFFFAOYSA-N

• 2-MercaptoBenzothiazolyl-(Z)(2-Aminothiazole-4yl)-2-(Tert-Butoxycarbonyl)Isopropoxyimino Acetate(TAEM)

IUPAC Name: tert-butyl 2-[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-(1,3-benzothiazol-2-ylsulfanyl)-2-oxoethylidene]amino]oxy-2-methylpropanoate | CAS Registry Number: 158183-05-2
Synonyms: 89604-92-2, taem, ceftazidime intermediate, benzothiazol-2-yl-(z)-2-(tert-butoxycarbonylprop-2-oxyimino)-2-(2-aminothiazol-4-yl)thi-oacetate, C20H22N4O4S3, BPTA, S-2-Benzothiazoyl-(Z)-2-(1-tert-butoxycanbonyl-1-methylethoxyimino)-(2-amino-thiazol-4-yl) acetate, (Z)-tert-Butyl 2-(((1-(2-aminothiazol-4-yl)-2-(benzo[d]thiazol-2-ylthio)-2-oxoethylidene)amino)oxy)-2-methylpropanoate, 2-mercaptobenzothiazolyl-(z)(2-aminothiazole-4yl)-2-(tert-butoxycarbonyl)isopropoxyimino acetate, Propanoic acid (Z)-2-[[[1-(2-amino-4-thiazolyl)-2-(2-benzothiazolylthio)-2-oxoethylidene]amino]oxy]-2-methyl-1,1-dimethylethyl ester, SCHEMBL4727203, MolPort-005-934-580, (E)-tert-butyl 2-(1-(2-aminothiazol-4-yl)-2-(benzo[d]thiazol-2-ylthio)-2-oxoethylideneaminooxy)-2-methylpropanoate, 2-mercaptobenzothiazolyl (z)-2-(2-aminothiazol-4-yl)-2-(2-t-butoxycarbonylprop-2-oxyimino) acetate, 2-Mercaptobenzothiazolyl-(Z)-(2-aminothiazol-4-yl)-2-(tertbutoxycarbonyl) isopropoxyiminoacetate, MFCD00071548, ZINC32098676, AKOS015920134, AC-5571, GS-3101

Molecular Formula:	C₂₀H₂₂N₄O₄S₃	Molecular Weight:	478.600 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	11

InChIKey: RCZJVHXVCSKDKB-OYKKKHCWSA-N

• (2-Aminothiazol-4-yl)hydroxyimino acetic acid (CAS: 66338-96-3)

• 2-(2-Formylaminothiazol-4-yl)acetic acid (CAS: 75890-68-5)

• (Z)-2-(2-Aminothiazole-4-yl-)-2-trityloxyimino acetic acid

IUPAC Name: 2-(2-amino-1,3-thiazol-4-yl)-2-trityloxyiminoacetic acid | CAS Registry Number: 128438-01-7
Synonyms: 4-Thiazoleacetic acid,2-amino-a-[(triphenylmethoxy)imino]-, (aZ)-, ACMC-209vt8, (Z)-2-(2-Aminothiazol-4-yl)-2-((trityloxy)imino)acetic acid, CTK4B5953, ANW-45498, AG-D-58616, (z)-2-(2-aminothiazole-4-yl-)-2-trityloxyimino acetic acid, 4-Thiazoleaceticacid, 2-amino-a-[(triphenylmethoxy)imino]-,(Z)-;(Z)-2-(2-Aminothiazol-4-yl)-2-(trityloxy)iminoacetic acid;2-(2-Amino-4-thiazolyl)-2-[(Z)-(trityloxy)imino]acetic acid;

Molecular Formula:	C₂₄H₁₉N₃O₃S	Molecular Weight:	429.490960 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	7

InChIKey: XEZIFGWTSLOMMT-UHFFFAOYSA-N

• 2-(2-Formylaminothiazol-4-yl)-2-methoxyiminoacetic acid (CAS: 65872-43-7)

• 2-Acetylamino-5-mercapto-1,3,4-thiadiazole

IUPAC Name: N-(2-sulfanylidene-3H-1,3,4-thiadiazol-5-yl)acetamide | CAS Registry Number: 32873-56-6
Synonyms: NCIOpen2_001881, NSC97893, EINECS 251-275-0, ZINC02582015, N-(4,5-Dihydro-5-thioxo-1,3,4-thiadiazol-2-yl)acetamide

Molecular Formula:	C₄H₅N₃OS₂	Molecular Weight:	175.232000 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: DWSMAMSVZRCQMP-UHFFFAOYSA-N

• (S)-2-Benzothiazolyl (Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyiminothioacetate (CAS: 89604-91-1)

• 2-Mercapto-1,3,4-Thiadiazole

IUPAC Name: 3H-1,3,4-thiadiazole-2-thione | CAS Registry Number: 18686-82-3
Synonyms: 5-Mercapto-1,3,4-thiadiazole, 1,3,4-Thiadiazole-2(3H)-thione, EINECS 242-504-5, NSC184817, ZINC05226028, NSC 184817, ST5214737, 50268-94-5

Molecular Formula:	C₂H₂N₂S₂	Molecular Weight:	118.180680 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	1

InChIKey: JLAMDELLBBZOOX-UHFFFAOYSA-N

• (Z)-2-(2-Aminothiazol-4-yl)-2-pentenoic acid

IUPAC Name: 2-(2-amino-1,3-thiazol-4-yl)pent-2-enoic acid | CAS Registry Number: 118109-49-2
Synonyms: 4-Thiazoleacetic acid,2-amino-a-propylidene-, (aZ)-, AG-D-40355, ACMC-20mnmj, (Z)-2-(2-AMINOTHIAZOL-4-YL)-2-PENTENOIC ACID, AGN-PC-0077Z5, CTK4B0561, 2-(2-amino-4-thiazolyl)-2-pentenoic acid, A804056, 2-(2-azanyl-1,3-thiazol-4-yl)pent-2-enoic acid, (Z)-2-(2-amino-1,3-thiazol-4-yl)pent-2-enoic Acid, 4-Thiazoleaceticacid, 2-amino-a-propylidene-,(Z)-;(Z)-2-(2-Aminothiazol-4-yl)pent-2-enoic acid;2-(2-Aminothiazol-4-yl)-(Z)-pent-2-enoicacid;

Molecular Formula:	C₈H₁₀N₂O₂S	Molecular Weight:	198.242200 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	5

InChIKey: OCLBDVLAKARYRF-UHFFFAOYSA-N

• (Z)-2-(Tert-butoxycarbonylprop-2-oxyimino)-2-(2-tritylamino-thiazol-4-yl)Acetic Acid (CAS: 68672-66-2)

• (2-Aminothiazol-4-yl)-tert-butoxycarbonylmethoxyimino acetic acid (CAS: 74440-02-1)

• (Z)-2-Methoxyimino-2-(Furyl-2-Yl) Acetic Acid Ammonium Salt (CAS: 97148-39-5)

• 7-apca

IUPAC Name: (6R,7R)-7-amino-8-oxo-3-prop-1-enyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid | CAS Registry Number: 120709-09-3
Synonyms: CTK0H2639, CTK0H4930, (6R,7R)-7-Amino-8-oxo-3-(prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 106447-44-3, 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 7-amino-8-oxo-3-(1-propen-1-yl)-, (6R,7R)-, 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 7-amino-8-oxo-3-(1Z)-1-propen-1-yl-, (6R,7R)-, AG-D-20849, AG-D-45181, KB-209054, 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 7-amino-8-oxo-3-(1-propenyl)-, (6R,7R)- (9CI);7 APCA;, 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 7-amino-8-oxo-3-(1-propenyl)-, [6R-[3(Z),6a,7b]]-; 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,7-amino-8-oxo-3-(1Z)-1-propenyl-, (6R,7R)- (9CI)

Molecular Formula:	C₁₀H₁₂N₂O₃S	Molecular Weight:	240.278880 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	5

InChIKey: ZYLDQHILNOZKIF-HZGVNTEJSA-N

• (2-Formamido-1,3-thiazol-4-yl)glyoxylic acid (CAS: 64987-06-0)

• 2,4-Dihydro-4-[4-[4-(4-hydroxyphenyl)-1-piperazinyl]phenyl]-2-(1-methylpropyl)-3H-1,2,4-triazole-3-one (CAS: 89848-21-5)

• 2-Mercapto-4-methyl-5-thiazoleacetic acid

IUPAC Name: 2-(4-methyl-2-sulfanylidene-3H-1,3-thiazol-5-yl)acetic acid | CAS Registry Number: 34272-64-5
Synonyms: 522317_ALDRICH, EINECS 251-905-4, 5-Thiazoleacetic acid, 2-mercapto-4-methyl-, LS-150748, TL8002378, 2,3-Dihydro-4-methyl-2-thioxothiazol-5-acetic acid, 2-Mercapto-4-methyl-1,3-thiazol-5-yl-acetic acid, T5614852, InChI=1/C6H7NO2S2/c1-3-4(2-5(8)9)11-6(10)7-3/h2H2,1H3,(H,7,10)(H,8,9

Molecular Formula:	C₆H₇NO₂S₂	Molecular Weight:	189.255280 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: KYBOCQHDFLVQIB-UHFFFAOYSA-N

• (Z)-2-(2-Aminothiazol-4-yl)-2-carboxymethoxyiminoacetic acid (CAS: 74440-05-4)

• 2,4,-Dihydro-4-[[4-(4-Hydroxyphenyl)-1-Piperazinyl]-Phenyl]-2-(1-Methyl Propyl)-3H-1,2,4-Triazol-3-One (CAS: 67914-86-7)

• (Z)-2-(2-Aminothiazol-4-yl)-2-(1-carboxy-1-methyl)ethoxyiminoacetic acid

IUPAC Name: 2-[[(2-amino-1,3-thiazol-4-yl)-carboxymethylidene]amino]oxy-2-methylpropanoic acid | CAS Registry Number: 102507-85-7
Synonyms: 80542-76-3, AG-H-23875, AGN-PC-01Z4ZI, CTK5E7889, (Z)-2-((((2-Aminothiazol-4-yl)(carboxy)methylene)amino)oxy)-2-methylpropanoic acid, ANW-72102, KB-166304, A839938, 2-[(E)-[(2-amino-1,3-thiazol-4-yl)-carboxymethylidene]amino]oxy-2-methylpropanoic acid, 2-[[(2-amino-4-thiazolyl)-carboxymethylidene]amino]oxy-2-methylpropanoic acid, 2-[[1-(2-azanyl-1,3-thiazol-4-yl)-2-oxidanyl-2-oxidanylidene-ethylidene]amino]oxy-2-methyl-propanoic acid, 4-Thiazoleacetic acid,2-amino-a-[[2-(diphenylmethoxy)-1,1-dimethyl-2-oxoethoxy]imino]-,(Z)- (9CI)

Molecular Formula:	C₉H₁₁N₃O₅S	Molecular Weight:	273.265740 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	9

InChIKey: VNCBMEHASYISTH-UHFFFAOYSA-N