(E)-Cefixime (Cefixime EP Impurity D)

Analyte Name

Cefixime EP Impurity D

CAS Number

97164-56-2

Molecular Formula

C16 H15 N5 O7 S2

Molecular Weight

453.4496

Accurate Mass

453.0413

SMILES

Nc1nc(cs1)\C(=N/OCC(=O)O)\C(=O)N[C@H]2[C@H]3SCC(=C(N3C2=O)C(=O)O)C=C

InChI

InChI=1S/C16H15N5O7S2/c1-2-6-4-29-14-10(13(25)21(14)11(6)15(26)27)19-12(24)9(20-28-3-8(22)23)7-5-30-16(17)18-7/h2,5,10,14H,1,3-4H2,(H2,17,18)(H,19,24)(H,22,23)(H,26,27)/b20-9+/t10-,14-/m1/s1

IUPAC

(6R,7R)-7-[[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Storage Temperature

-20°C

Shipping Temperature

Room Temperature

Country of Origin

CANADA

Product Format

Neat

Purity

>95% (HPLC)