ChemicalBook >> CAS DataBase List >>7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid

7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid

7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid structure

CAS No.: 30246-33-4

Chemical Name:: 7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid

Synonyms: TDA;7-TDA;Cefazolin IMpurity A;Cefazolin EP Impurity A;Cefazolin Impurity EP-A;Cefazolin USP Impurity K;Cefuroxime nucleus (7-TDA);Cefazolin Sodium Impurity A;Parent nucleus of cefazedone (7-TDA);Cefazolin Impurity 7(Cefazolin EP Impurity A)

CBNumber:: CB1218367

Molecular Formula:: C11H12N4O3S3

Molecular Weight:: 344.43

MDL Number:: MFCD06656104

MOL File:: 30246-33-4.mol

Last updated:2025-07-04 15:21:17

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7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid Properties

Melting point	>174°C (dec.)
Boiling point	678.2±65.0 °C(Predicted)
Density	1.72±0.1 g/cm3(Predicted)
storage temp.	Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
solubility	CHCl3 (Slightly, Heated), DMF (Very Slightly), DMSO (Slightly)
pka	2.52±0.50(Predicted)
form	Solid
color	Light Yellow to Brown
InChI	InChI=1S/C11H12N4O3S3/c1-4-13-14-11(21-4)20-3-5-2-19-9-6(12)8(16)15(9)7(5)10(17)18/h6,9H,2-3,12H2,1H3,(H,17,18)/t6-,9-/m1/s1
InChIKey	HJSGHKMSDOLGJJ-HZGVNTEJSA-N
SMILES	N12[C@@]([H])([C@H](N)C1=O)SCC(CSC1=NN=C(C)S1)=C2C(O)=O
FDA UNII	NUA2X3C4S1

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P261-P305+P351+P338

7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid price More Price(14)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TRC	A618190	7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylicAcid	30246-33-4	10mg	$275	2021-12-16	Buy
Biosynth Carbosynth	IC63651	Cefazolin impurity A	30246-33-4	1mg	$160	2021-12-16	Buy
Biosynth Carbosynth	IC63651	Cefazolin impurity A	30246-33-4	5mg	$500	2021-12-16	Buy
Biosynth Carbosynth	IC63651	Cefazolin impurity A	30246-33-4	10mg	$800	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0290251	7-AMINO-3-[(5-METHYL-1,3,4-THIADIAZOL-2-YL)THIOMETHYL]CEPHALOSPHORANIC ACID 95.00%	30246-33-4	5G	$1131.9	2021-12-16	Buy

Product number	Packaging	Price	Buy
A618190	10mg	$275	Buy
IC63651	1mg	$160	Buy
IC63651	5mg	$500	Buy
IC63651	10mg	$800	Buy
CHM0290251	5G	$1131.9	Buy

7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid Chemical Properties,Uses,Production

Chemical Properties

Beige Solid

Uses

7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid is a substrate used in the assessment of immobilized PGA orientation and in the synthesis of beta lactam antibiotics.

7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid synthesis

Synthesis of 7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid from Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy- and 2-Mercapto-5-methyl-1,3,4-thiadiazole

7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid Preparation Products And Raw materials

Raw materials

4-Nitrobenzoyl chloride 7-(5-amino-5-carboxyvaleramido)cephalosporanic acid 2-Mercapto-1,3,4-thiadiazol 2-Mercapto-5-methyl-1,3,4-thiadiazole

Preparation Products

7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid Suppliers

Global( 195)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	+8617732866630	abby@chuanghaibio.com	China	8773	58
Shaanxi Dideu Medichem Co. Ltd	+86-029-81138252 +86-173 9270 1263	1057@dideu.com	China	4000	58
Hebei Mujin Biotechnology Co.,Ltd	+8613288715578	sales@hbmojin.com	China	12248	58
Capot Chemical Co.,Ltd.	+8613336195806	sales@capot.com	China	29734	60
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21620	55
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28172	58
Jinan Finer Chemical Co., Ltd	+86-531-88989536 +86-15508631887	sales@finerchem.com	China	2953	58
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14332	58
Shenzhen Excellent Biotech Co., Ltd.	13480692018	ramyan@ex-biotech.com	CHINA	954	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29800	58

Supplier	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	58
Shaanxi Dideu Medichem Co. Ltd	58
Hebei Mujin Biotechnology Co.,Ltd	58
Capot Chemical Co.,Ltd.	60
Henan Tianfu Chemical Co.,Ltd.	55
Hubei Jusheng Technology Co.,Ltd.	58
Jinan Finer Chemical Co., Ltd	58
Standardpharm Co. Ltd.	58
Shenzhen Excellent Biotech Co., Ltd.	58
career henan chemical co	58

View Lastest Price from 7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-08-18	7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid 30246-33-4	US $0.00 / KG	1KG	99%	50000KG/month	Hebei Mujin Biotechnology Co.,Ltd
2025-06-24	Cefazolin EP Impurity A 30246-33-4	US $10.00 / KG	1KG	99%	10 mt	Hebei Chuanghai Biotechnology Co., Ltd
2024-07-25	7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid 30246-33-4	US $1.00 / KG	1KG	99%	20T	Shaanxi Dideu Medichem Co. Ltd

7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid
30246-33-4
US $0.00 / KG
99%
Hebei Mujin Biotechnology Co.,Ltd

Cefazolin EP Impurity A
30246-33-4
US $10.00 / KG
99%
Hebei Chuanghai Biotechnology Co., Ltd

7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid
30246-33-4
US $1.00 / KG
99%
Shaanxi Dideu Medichem Co. Ltd

30246-33-4(7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid)Related Search:

Cefazolin sodium salt sodium (6R-trans)-3-(acetoxymethyl)-8-oxo-7-(1H-tetrazol-1-ylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate (6R,7R)-7-[(2,2-dimethylpropanoyl)amino]-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Cefazolin IMpurity C Cefazolin

Des[(5-Methyl-1,3,4-thiadiazol-2-yl)thio] Cefazolin-3-Methanol (6R,7R)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 7-Aminocephalosporanic acid Cefazolin Impurity 9 (6R-trans)-3-(acetoxymethyl)-8-oxo-7-(1H-tetrazol-1-ylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

1H-Tetrazole-1-acetic acid Cefazolin impurity B 2-Mercapto-5-methyl-1,3,4-thiadiazole Cefazolin SodiuM iMpurity G 7-Amino-3-cephem-4-carboxylic acid

Cefazolin EP Impurity K Cefazedone Cefcanel

1of4

7-AMINO-3-[(5-METHYL-1,3,4-THIADIAZOL-2-YL)THIOMETHYL]CEPHALOSPHORANIC ACID TDA (7r)-7-amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)thiomethyl]-3-cephem-4-carboxylicacid 7-ammonio-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Cefuroxime nucleus (7-TDA) (7r)-7-amino-3[(5-methyl-1,3,4-thiadiazole-2-yl)thiomethyl]-3-cephem-4-carboxylic acid 7-Amino-3-([5-methyl-1,3,4-thiadiazol-2-yl] thiomethyl)-3-cephem-4-carboxylic acid 7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)-thiomethyl]-cephalosporanic aci (6R)-7α-Amino-3-(5-methyl-1,3,4-thiadiazol-2-ylthiomethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Parent nucleus of cefazedone (7-TDA) (6R-trans)-7-aMino-3-[[(5-Methyl-1,3,4-thiadiazol-2-yl)thio]Methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Cefazolin IMpurity A 7-TDA 7-Amino-3-[(2-methyl-1,3,4-thiadiazol-5-ylthio)methyl]-3-cephem-4-carboxylic acid Cefazolin EP Impurity A (6R,7R)-7-amino-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (6R,7R)-7-amino-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 7-amino-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-, (6R,7R)- 7-Amino-3-[[(5-methyl-1,3,4-thiadiazol-2yl)thiomethyl]-3-cephalosporanicacid Cefazolin Impurity 7(Cefazolin EP Impurity A) Cefazolin USP Impurity K Cefazolin Impurity EP-A 3,5-Dichloro-4-hydroxypyridine，7-Amino-3-[(5-methyl-1,3,4-thiadiazol- 2-ylthio)methyl]-3-cephem-4- carboxylic Acid Cefazolin Sodium Impurity A (6R-trans)-7-amino-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]... TIANFU-CHEM - 7-AMINO-3-[(5-METHYL-1,3,4-THIADIAZOL-2-YL)THIOMETHYL]CEPHALOSPHORANIC ACID Cefazolin Impurity 7 CRS（Cefazolin EP Impurity A CRS） (6R,7R)-7-Amino-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (Cefazolin Impurity) 30246-33-4 C11H12N4O3S3