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有机酸及其衍生物

中文名称 英文名称 CAS号 化学式
头孢曲松钠杂质1 7β-Aminocephalosporanic acid 1214622-93-1 C10H12N2O5S
头孢曲松杂质6 2-(2-amino-thiazol-4-yl)-<i>N</i>-((5a<i>R</i>)-1,7-dioxo-(5a<i>r</i>)-1,4,6,7-tetrahydro-3<i>H</i>,5a<i>H</i>-azeto[2,1-<i>b</i>]furo[3,4-<i>d</i>][1,3]thiazin-6<i>t</i>-yl)-2-(<i>Z</i>)-methoxyimino-acetamide 66340-33-8 C14H13N5O5S2
头孢曲松杂质6 (-)-(6R,7R)-7-<(E)-2-(2-amino-4-thiazolyl)-2-methoxyiminoacetamido>-3-hydroxymethyl-8-oxo-5-thia-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylic acid lactone 123238-79-9 C14H13N5O5S2
头孢拉定 Cefradine 38821-53-3 C16H19N3O4S
头孢拉宗酸 76648-01-6 C22H29N9NaO9S2
头孢布宗 cefbuperazone 76610-84-9 C22H29N9O9S2
头孢妥仑母核 7-ATCA 155723-02-7 C13H13N3O3S2
头孢塔齐定杂质A (6R,7R)-7-[2-(2-amino-4-thiazolyl)-2-(Z)-(2,2-dimethylacetoxyimino)acetamido]-3-[(pyridinium)methyl]-2-cephem-4-carboxylate 1000980-60-8 C22H22N6O7S2
头孢地尼异恶唑 (6R,7R)-7-(4-Hydroxyisoxazole-3-carboxamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid 1356842-10-8 C13H11N3O6S
头孢地尼噻嗪模拟 (2R,5Z)-2-[(R)-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-carboxymethyl]-5-ethylidene-2H-1,3-thiazine-4-carboxylic acid 178422-39-4 C14H15N5O6S2
头孢噻肟杂质15 [R-[R*,R*-(Z)]]-α-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Furo[3,4-d][1,3]thiazine-2-acetic Acid 75679-11-7 C14H15N5O6S2
头孢噻肟杂质15 [R-[R*,R*-(Z)]]-α-[[(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-1,2,5,7-tetrahydro-7-oxo-4H-Furo[3,4-d][1,3]thiazine-2-acetic Acid 75679-11-7 C14H15N5O6S2
头孢噻肟开环内酯 Desacetylcefotaxime lactone M2 75679-12-8 C14H15N5O6S2
头孢噁唑 Cefoxazole 36920-48-6 C21H18ClN3O7S
头孢唑肟杂质8 7-Amino-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid 68350-06-1 C10H12N6O3S2
头孢唑肟杂质 Jvgcqnjnqjjwhf-prkntkfgsa- 102044-69-9 C13H13N5O5S2
头孢唑林钠杂质3 (2R)-2-amino-6-[[(4R,5R)-3,11-dioxo-10-oxa-6-thia-2-azatricyclo[6.3.0.02,5]undec-1(8)-en-4-yl]amino]-6-oxohexanoic acid 2429-86-9 C14H17N3O6S
头孢唑林杂质6 Cefazolin lactone 1172998-53-6 C11H10N6O4S
头孢唑林杂质10 Iso-7-amino-cephalosporansaeure 18884-65-6 C10H12N2O5S
头孢唑林delta-3-甲酯 Cefazolin delta-3-methyl ester 117929-10-9 C15H16N8O4S3
头孢唑啉杂质33 N'-Acetyl-hydrazinecarbodithioic acid 93409-13-3 C3H6N2OS2
头孢唑啉杂质17 potassium acetylhydrazinodithioate 38509-92-1 C3H5N2OS2*K
头孢唑兰侧链酸活性硫酯 ((Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2yl)oxy)imino)acetic acid) 76028-96-1 C12H18N4O5S
头孢哌酮钠 62893-20-3 C25H27N9NaO8S2
头孢哌酮杂质F (6R,7S)-Cefoperazone 1315481-36-7 C25H27N9O8S2
头孢哌酮杂质B cefoperazone 68779-10-2 C25H27N9O8S2
头孢哌酮杂质8 Cefoperazone Batsi 1204325-21-2 C16H21BN4O7
头孢哌酮二水合物 Cefoperazone dihydrate 113826-44-1 C25H31N9O10S2
头孢哌酮A Cefoperazone A 73240-07-0 C25H29N9O9S2
头孢哌酮 cefoperazone 62893-19-0 C25H27N9O8S2
头孢哌舒 Sulperazone 92739-15-6 C33H38N10O13S3
头孢咪唑钠 85287-61-2 C28H26N6NaO10S2
头孢咪唑 (6R,7R)-7-[[(2R)-2-[(5-carboxy-1H-imidazole-4-carbonyl)amino]-2-phenylacetyl]amino]-8-oxo-3-[[4-(2-sulfoethyl)pyridin-1-ium-1-yl]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 84880-03-5 C28H26N6O10S2
头孢呋辛杂质7 (6R,7R)-3-carbamoyloxymethyl-7-aminoceph-3-em-4-carboxylic acid 37051-07-3 C9H11N3O5S
头孢呋辛杂质12 N-(tert-butyloxycarbonyl)-3-deacetylcephalosporanic acid 37051-06-2 C13H18N2O6S
头孢吡肟盐酸盐 (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-[(1-methylpyrrolidin-1-ium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;hydron;dichloride;hydrate —— C19H28Cl2N6O6S2
头孢吡肟杂质13 1-((6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-3-en-3-ylmethyl)-1-methyl-pyrrolidinium; chloride 112533-07-0 C13H20N3O3S*Cl
头孢吡肟中间体 (R,R)-7-Amino-3-(1-methylpyrrolidinio)methyl-3-cephem-4-carboxylate hcl 780810-20-0 C13H20ClN3O3S
头孢匹胺 cefpiramide 70797-11-4 C25H24N8O7S2
头孢匹罗杂质2 Cefpirome Impurity 2 124667-22-7 C22H22N6O5S2
头孢匹林 cephapirin 21593-23-7 C17H17N3O6S2
头孢克洛杂质E Cefaclor impurity E [EP impurity] 188915-50-6 C14H14ClN3O4S
头孢克洛杂质11 7-amino-3-methylenecepham-4-carboxylic acid 36996-01-7 C8H10N2O3S
头孢克洛杂质11 (6R,7R)-7-amino-3-methylenecepham-4-carboxylic acid 51795-31-4 C8H10N2O3S
头孢克洛 cefaclor 53994-73-3 C15H14ClN3O4S
头孢他啶钠 73547-61-2 C22H22N6NaO7S2
头孢他啶母核 7(R)-amino-3-(1-pyridiniomethyl)-3-cephem-4-carboxylic acid chloride monohydrochloride 96752-43-1 C13H14Cl2N3O2S+
头孢他啶杂质3 (6R,7R)-7-Amino-3-(5-carboxymethyl-4-methyl-thiazol-2-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 111298-82-9 C14H15N3O5S3
头孢他啶EP杂质C N-(7-Aminocephem-3-em-3-ylmethyl)pyridinium-4-carboxylate 3432-88-0 C13H13N3O3S
头孢他啶.头孢他啶五水合物.头孢噻甲羧肟 (2S)-2,5-diamino-N-[[(2S,5R,8Z,11S,15R)-15-amino-11-(2-amino-1,4,5,6-tetrahydropyrimidin-6-yl)-8-[(carbamoylamino)methylidene]-2-(hydroxymethyl)-3,6,9,12,16-pentaoxo-1,4,7,10,13-pentazacyclohexadec-5-yl]methyl]pentanamide;sulfuric acid 1405-37-4 C24H44N14O12S