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头孢噻呋
目录号: pi00054001     品名: ceftiofur
cas no:80370-57-6||chemical formula:c19h17n5o7s3||molecular weight:523.55300||exact mass:523.02901||(6r,7r)-7-((z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)aceta……
头孢噻呋usp杂质i,δ3-头孢噻呋
目录号: pi00054010     品名: ceftiofur usp impurity i,δ3-ceftiofur
cas no:120962-17-6||chemical formula:c19h17n5o7s3||molecular weight:523.55300||exact mass:523.02901||(6r,7r)-7-((z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acet……
头孢噻呋usp杂质j,(e)-头孢噻呋
目录号: pi00054011     品名: ceftiofur usp impurity j,(e)-ceftiofur
cas no:120882-20-4||chemical formula:c19h17n5o7s3||molecular weight:523.55300||exact mass:523.02901||(6r,7r)-7-((e)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acet……
头孢噻呋二聚体杂质
目录号: pi00054031     品名: ceftiofur dimer 2
cas no:n/a||chemical formula:c38h32n10o13s6||molecular weight:1029.09100 ||exact mass:1028.04746||(6r,7r)-7-((z)-2-(2-((6r,7r)-7-((z)-2-(2-aminothiazol-4-yl)-2-……
三苯甲基头孢噻呋肟
目录号: pi00054032     品名: triphenylmethyl ceftiofur oxime
cas no:n/a||chemical formula:c25h21n3o3s||molecular weight:443.52100 ||exact mass:443.13036||(z)-2-(methoxyimino)-2-(2-(tritylamino)thiazol-4-yl)acetic acid
头孢噻呋双侧链
目录号: pi00054033     品名: ceftiofur double side chain
cas no:n/a||chemical formula:c25h22n8o9s4||molecular weight:706.73800 ||exact mass:706.03926||(6r,7r)-7-((z)-2-(2-((z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)a……
头孢噻呋巯基
目录号: pi00054034     品名: cefotifuromercapto
cas no:n/a||chemical formula:c14h15n5o5s3||molecular weight:429.49440||exact mass:429.02353||(6r,7r)-7-((z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3……
头孢噻呋巯基内酯
目录号: pi00054035     品名: cefotifuromercapto lactone
cas no:n/a||chemical formula:c14h13n5o4s3||molecular weight:411.47912||exact mass:411.01297||(z)-2-(2-aminothiazol-4-yl)-n-((5ar,6r)-1,7-dioxo-1,3,4,5a,6,7-hexa……
头孢噻呋二聚体2杂质
目录号: pi00054036     品名: ceftiofur dimer 2
cas no:n/a||chemical formula:c28h28n10o10s6||molecular weight:856.95200||exact mass:856.03141||(6r,6'r,7r,7'r,z)-3,3'-(disulfanediylbis(methylene))bis(7-((z)-2-……
头孢噻呋双母核
目录号: pi00054037     品名: ceftiofur double mother nucleus
cas no:n/a||chemical formula:c32h27n7o11s5||molecular weight:845.90600||exact mass:845.03721||(6r,7r)-7-((6r,7r)-7-((z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)……
双氢噻呋硫酯杂质
目录号: pi00054038     品名: dihydrothiafur thioester impurity
cas no:n/a||chemical formula:c10h6o4s2||molecular weight:254.28224||exact mass:253.97075||furan-2-carboxylic dithioperoxyanhydride
头孢噻呋-4酮
目录号: pi00054039     品名: ceftiofur-4-ketone
cas no:n/a||chemical formula:c19h15n5o8s3||molecular weight:537.53600||exact mass:537.00827||(6r,7r)-7-((z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3……
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