3-Desacetyl Cefotaxime Lactone (E/Z Mixture)

CAS: 123238-79-9, 66340-33-8

Ref. TR-D288390

Product Information

• Name: 3-Desacetyl Cefotaxime Lactone (E/Z Mixture)
• Synonyms: [5aR-[5aα,6β]]-2-Amino-α-(methoxyimino)-N-(1,4,5a,6-tetrahydro-1,7-dioxo-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-4-thiazoleacetamide
• Brand: TRC

Description

Impurity Cefotaxime Sodium EP Impurity E
Applications 3-Desacetyl Cefotaxime Lactone is an impurity of Cefotaxime sodium (C242950). 3-Desacetyl Cefotaxime Lactone is also a degradation product for other cephalosporin antibiotics such as: Ceftriaxone (C245000), Cefodizime and Ceftiofur (C244700).
References Amaker, R., et al.: Antimicrob. Agents Chemother., 40, 1139 (1996), Taylor, P., et al.: Clin. Biochem., 38, 328 (2005),

Chemical properties

• Molecular weight: 395.41
• Formula: C₁₄H₁₃N₅O₅S₂
• Purity: >85%
• Color/Form: Neat
• InChI: InChI=1S/C14H13N5O5S2/c1-23-18-7(6-4-26-14(15)16-6)10(20)17-8-11(21)19-9-5(2-24-13(9)22)3-25-12(8)19/h4,8,12H,2-3H2,1H3,(H2,15,16)(H,17,20)/t8-,12-/m1/s1
• InChI key: InChIKey=MCSWUKXFFGUOQE-GHXIOONMSA-N
• SMILES: CO/N=C(\C(=O)N[C@@H]1C(=O)N2C3=C(COC3=O)CS[C@H]12)c1csc(N)n1