Cefixime Acid, Thiazine Isomer Impurity Sodium Salt (>80%)

CAS: 108615-31-2, 1335475-08-5

Ref. TR-C242806

Product Information

• Name: Cefixime Acid, Thiazine Isomer Impurity Sodium Salt (>80%)
• Synonyms: α-[[2-(2-Amino-4-thiazolyl)-2-[(carboxymethoxy)imino]acetyl]amino]-4-carboxy-5-ethylidene-5,6-dihydro-2H-1,3-thiazine-2-acetic Acid Sodium Salt, α-[[(2-Amino-4-thiazolyl)[(carboxymethoxy)imino]acetyl]amino]-4-carboxy-5-ethylidene-5,6-dihydro-2H-1,3-thiazine-2-acetic Acid Sodium Salt
• Brand: TRC

Description

Stability Very unstable
Applications Cefixime Impurity is an impurity of Cefixime (C242800); an orally active third generation cephalosporin antibiotic.
References Kamimura, T., et al.: Antimicrob. Agents Chemother., 25, 98 (1984); Yamanaka, H., et al.: J. Antibiot., 38, 1738 (1985); Guay, D.R.P., et al.: Antimicrob. Agents Chemother., 30, 485 (1986)

Chemical properties

• Molecular weight: 494.5
• Formula: C₁₆H₁₇N₅O₈S₂·x(Na)
• Purity: >80%
• Color/Form: Neat
• InChI: InChI=1S/C16H17N5O8S2.Na/c1-2-6-4-30-13(20-9(6)14(25)26)11(15(27)28)19-12(24)10(21-29-3-8(22)23)7-5-31-16(17)18-7;/h2,5,11,13H,3-4H2,1H3,(H2,17,18)(H,19,24)(H,22,23)(H,25,26)(H,27,28);/q;+1/b6-2+,21-10-;/t11-,13+;/m1./s1
• InChI key: InChIKey=UDYNUXKERWBELN-OZTGTNOYSA-N
• SMILES: C/C=C1\CS[C@@H]([C@@H](NC(=O)/C(=N\OCC(=O)O)c2csc(N)n2)C(=O)O)N=C1C(=O)O