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Cefmetazole Impurity 1 (Cefmetazole Lactone)

Impurity

CAS Number

70993-70-3

Molecular Formula

C13H13N3O5S2

Product format

Neat

Molecular Weight

355.39

Storage

-20°C

Shipping

Room Temperature

API Family

Cefmetazole

Synonyms

Cefmetazole Lactone; 70993-70-3; 2-(cyanomethylsulfanyl)-N-[(4S, 5R)-4-methoxy-3, 11-dioxo-10-oxa-6-thia-2-azatricyclo[6.3.0.02, 5]undec-1(8)-en-4-yl]acetamide; (5aR-cis)-2-[(Cyanomethyl)thio]-N-(1, 4, 5a, 6-tetrahydro-6-methoxy-1, 7-dioxo-3H, 7H-azeto[2, 1-b]furo[3, 4-d][1, 3]thiazin-6-yl)-acetamide; 2-((cyanomethyl)thio)-N-((5aR, 6S)-6-methoxy-1, 7-dioxo-1, 3, 4, 5a, 6, 7-hexahydroazeto[2, 1-b]furo[3, 4-d][1 and 3]thiazin-6-yl)acetamide

Iupac Name

2-(cyanomethylsulfanyl)-N-[(4S, 5R)-4-methoxy-3, 11-dioxo-10-oxa-6-thia-2-azatricyclo[6.3.0.02 and 5]undec-1(8)-en-4-yl]acetamide

InChI

InChI=1S/C13H13N3O5S2/c1-20-13(15-8(17)6-22-3-2-14)11(19)16-9-7(4-21-10(9)18)5-23-12(13)16/h12H,3-6H2,1H3,(H,15,17)/t12-,13+/m1/s1

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COA COO

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Synthesis

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