ChemicalBook >?? ???? >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 ??? ???

?? ??:: 30246-33-4

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

???(??):: TDA;7-TDA;Cefazolin EP Impurity A;Cefazolin 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

???:: C11H12N4O3S3

??? ??:: 344.43

MOL ??:: 30246-33-4.mol

?? ?? 187

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

???: >174°C (dec.)

?? ?: 678.2±65.0 °C(Predicted)

??: 1.72±0.1 g/cm3(Predicted)

?? ??: Keep in dark place,Inert atmosphere,Store in freezer, under -20°C

???: CHCl3(?? ???, ???), DMF(?? ?? ??? ???), DMSO(?? ???)

??? ??: ??

??? ??: ??? ??

?? ?? (pKa): 2.52±0.50(Predicted)

??: ?? ????? ????

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

?? ? ?? ??
?? ? ???? ?? (GHS)

????(GHS):

?? ?:

Warning

??·?? ??:

??	??·?? ??	?? ??	??	?? ?	P- ??
H302	??? ???	?? ?? ?? - ??	?? 4	??	P264, P270, P301+P312, P330, P501
H315	??? ??? ???	????? ?? ?????	?? 2	??	P264, P280, P302+P352, P321,P332+P313, P362
H319	?? ?? ??? ???	?? ? ?? ?? ??? ??	?? 2A	??	P264, P280, P305+P351+P338,P337+P313P
H335	?? ???? ??? ? ??	?? ???? ?? - 1? ??;???? ??	?? 3	??

??????:

P261	??·?·??·???·??·...·????? ??? ????.
P305+P351+P338	?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.

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

??? ??

Beige Solid

??

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 ?? ?? ? ???

???

p-??????????? 7-(5-???-5-?????????)??????? 2-????-1,3,4-????? 5-??-1,3,4-?????-2-??

?? ??

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

???( 187)?? ??

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

????? ??? 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 7-Amino-3-cephem-4-carboxylic acid 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 Cefazolin EP Impurity K Cefazedone Cefcanel

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