478494-71-2 (头孢唑啉杂质 E,Cefazolin Impurity E)

去[(5-甲基-1,3,4-噻二唑-2-基)硫代]头孢唑林-3-甲醇;头孢唑啉钠有关杂质 E(USP);(6R,7R)-7-(2-(1H-四唑-1-基)乙酰氨基)-3-(羟甲基)-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯 -2-羧酸 (头孢唑啉杂质);头孢唑啉杂质15(头孢唑啉USP RC E);

Des[(5-methyl-1,3,4-thiadiazol-2-yl)thio] Cefazolin-3-methanol;(6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;CID 124584303;Cefazolin impurity 12/Cefazolin 3-Hydroxymethyl Impurity/Cefazolin Impurity E (USP)/(6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(hydroxymethyl)-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-carboxylic acid, 3-(hydroxymethyl)-8-oxo-7-[[2-(1H-tetrazol-1-yl)acetyl]amino]-, (6R,7R)-;Des[(5-methyl-1,3,4-thiadiazol-2-yl)thio] Cefazolin-3-methanol DISCONTINUED;Cefazolin Impurity E (USP);(6R,7R)-7-(2-(1H-Tetrazol-1-yl)acetamido)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (Cefazolin Impurity);Cefazolin Impurity 15（Cefazolin USP RC E）;

YGQTUWKIILQPEL-GMSGAONNSA-N

1S/C11H12N6O5S/c18-2-5-3-23-10-7(9(20)17(10)8(5)11(21)22)13-6(19)1-16-4-12-14-15-16/h4,7,10,18H,1-3H2,(H,13,19)(H,21,22)/t7-,10-/m1/s1

S1CC(CO)=C(C(=O)O)N2C([C@H]([C@@H]12)NC(CN1C=NN=N1)=O)=O