头孢菌素C(7-ACA)

头孢菌素C(7-ACA)

头孢菌素杂质C;7-(D-5-氨基-5-羧基戊酰胺基)头孢霉烷酸;头孢菌素C;头孢菌素C(7-ACA);头孢菌素C 头孢米诺;头孢西酮有关杂质 9

7-(5-amino-5-carboxyvaleramido)cephalosporanic acid

7-(5-amino-5-carboxyvaleramido)cephalosporanic acid;Cephalosporins-intermediate II;Cefodizime impurity 16;CAPHALOSPORIN C;5-Thia-1-azabicyclo4.2.0oct-2-ene-2-carboxylic acid, 3-(acetyloxy)methyl-7-(5R)-5-amino-5-carboxy-1-oxopentylamino-8-oxo-, (6R,7R)-;7-(D-5-Amino-5-carboxyvaleramido)-3-(hydrox-ymethyl)-8-oxo-5-thia-1-azabicyclo[4,2,0]oct-2-ene-2-Carboxylic acid acetate;(7R)-3-[(Acetyloxy)methyl]-7-[[(R)-5-carboxy-5-amino-1-oxopentyl)amino]cepham-3-ene-4-carboxylic acid;(7R)-3-[(Acetyloxy)methyl]-7-[[(R)-5-carboxy-5-amino-1-oxopentyl]amino]cepham-3-ene-4-carboxylic acid

200-501-6

C16H21N3O8S

415.42

InChI=1/C16H21N3O8S.Na/c1-7(20)27-5-8-6-28-14-11(13(22)19(14)12(8)16(25)26)18-10(21)4-2-3-9(17)15(23)24;/h9,11,14H,2-6,17H2,1H3,(H,18,21)(H,23,24)(H,25,26);/q;+1/p-1/t9?,11-,14?;/m1./s1

1.55±0.1 g/cm3(Predicted)

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814.7±65.0 °C(Predicted)

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其钠盐二水物为单斜晶体。溶于水，不溶于乙醇、乙醚。当水溶液pH2.5-8时稳定。

对金葡菌、伤寒杆菌、大肠杆菌有活性。但由于抗菌活力低，临床未广泛应用。但通过改造可获得高效衍生物，目前主要作为制备7-氨基头孢霉烷酸（7-ACA）的中间体。

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