CAS No:80370-57-6,104010-37-9(sodium)||Chemical Formula:C19H17N5O7S3||Molecular Weight:523.55300||Exact Mass:523.02901||(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2……
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……
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……
CAS No:64485-90-1;123333-74-4(Hydrochloride)||Chemical Formula:C25H21N3O3S||Molecular Weight:443.52100||Exact Mass:443.13036||(Z)-2-(methoxyimino)-2-(2-(trityla……
目录号: PI00054033 品名: Ceftiofur Double Side Chain,Ceftiofur Dioxime,Ceftiofur Bilateral 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)ac……
CAS No.:120882-22-6||Chemical Formula:C14H15N5O5S3||Molecular Weight:429.49440||Exact Mass:429.02353||(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)ace……
CAS No:120882-23-7||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,……
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-……
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)……
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……