1000980-60-8 (头孢他啶杂质A,Ceftazidime Impurity A)

?2-头孢他啶;3-氨基-N-甲基-1,2,4-1H-三氮唑-5-甲酰胺;头孢噻甲羧肟 (头孢他啶)杂质A;头孢他啶杂质A;1-[[(6R,7R)-7-[[(2Z)-2-(2-氨基-4-噻唑基)-2-[(1-羧基-1-甲基乙氧基)亚氨基]乙酰基]氨基]-2-羧基-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-3-烯-3-基]甲基]吡啶鎓内盐;2-头孢他啶;头孢他啶EP杂质A;1-[[(6R,7R)-7-[[(2Z)-2-(2-氨基-4-噻唑基)-2-[(1-羧基-1-甲基乙氧基)亚氨基]乙酰基]氨基]-2-羧基-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-3-烯-3-基]甲基]吡啶内盐;

?2-Ceftazidime;2-Ceftazidime;(6R,7R)-7-[2-(2-amino-4-thiazolyl)-2-(Z)-(2,2-dimethylacetoxyimino)acetamido]-3-[(pyridinium)methyl]-2-cephem-4-carboxylate;∆2-Ceftazidime;(2RS,6R,7R)-7-[[(2Z)-2-(2-AMINOTHIAZOL-4-YL)-2-[(1-CARBOXY-1-METHYLETHOXY)IMINO]ACETYL]AMINO]-8-OXO-3-[(1-PYRIDINIO)METHYL]-5-THIA-1-AZABICYCLO[4.2.0]OCT-3-ENE-2-CARBOXYLATE (Δ-2-CEFTAZIDIME);CEFTAZIDIME IMPURITY A;Ceftazidime EP Impurity A;1-[[(6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-en-3-yl]methyl]pyridinium inner salt;a2-Ceftazidime (>80%);A898827;CEFTAZIDIME IMPURITY A [EP IMPURITY];(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate;(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(2-carboxypropan-2-yloxyimino)acetyl]amino]-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate;CS-0166370;(2RS,6R,7R)-7-(((2Z)-2-(2-AMINOTHIAZOL-4-YL)-2-((1-CARBOXY-1-METHYLETHOXY)IMINO)ACETYL)AMINO)-8-OXO-3-((PYRIDIN-1-IUM-1-YL)METHYL)-5-THIA-1-AZABICYCLO(4.2.0)OCT-3-ENE-2-CARBOXYLATE;AKOS025394532;97OBN5O836;217796-42-4;UNII-97OBN5O836;.DELTA.-2-CEFTAZIDIME, (+/-)-;.DELTA.-2-CEFTAZIDIME;Delta 2-Ceftazidime;CEFTAZIDIME DELTA-3-ISOMER [USP-RS];1000980-60-8;(6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate (Ceftazidime Impurity;delta-2-Ceftazidime;PYRIDINIUM, 1-(((6R,7R)-7-(((2Z)-2-(2-AMINO-4-THIAZOLYL)-2-((1-CARBOXY-1-METHYLETHOXY)IMINO)ACETYL)AMINO)-2-CARBOXY-8-OXO-5-THIA-1-AZABICYCLO(4.2.0)OCT-3-EN-3-YL)METHYL)-, INNER SALT;CEFTAZIDIME PENTAHYDRATE IMPURITY A [EP IMPURITY];CEFTAZIDIME DELTA-3-ISOMER (USP-RS);CEFTAZIDIME PENTAHYDRATE IMPURITY A (EP IMPURITY);CEFTAZIDIME IMPURITY A (EP IMPURITY);DELTA-2-CEFTAZIDIME, (+/-)-;DTXCID6065426;DTXSID60142935;

LRKHKETXQNDOKF-YTAHGSIGSA-N

1S/C22H22N6O7S2/c1-22(2,20(33)34)35-26-13(12-10-37-21(23)24-12)16(29)25-14-17(30)28-15(19(31)32)11(9-36-18(14)28)8-27-6-4-3-5-7-27/h3-7,9-10,14-15,18H,8H2,1-2H3,(H4-,23,24,25,29,31,32,33,34)/b26-13-/t14-,15?,18-/m1/s1

S1C=C(C[N+]2C=CC=CC=2)C(C(=O)[O-])N2C([C@H]([C@@H]12)NC(/C(/C1=CSC(N)=N1)=N\OC(C(=O)O)(C)C)=O)=O