Cefmetazole Lactone (~90%)

70993-70-3

(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

May be harmful if swallowed.

O=C1[C@](NC(CSCC#N)=O)([O]C)[C@@H]2([H])SCC3=C(C(OC3)=O)N21

C13H13N3O5S2

355.39

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

IUPAC name: 2-((cyanomethyl)thio)-N-((5aR,6S)-6-methoxy-1,7-dioxo-1,4,5a,6-tetrahydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)acetamide

Room Temperature

-20°C