Cefdinir Lactone

Also known as: Cefdinir Impurity M, Cefdinir Impurity 13, Cefdinir Impurity E, (αZ)-2-amino-α-(hydroxyimino)-N-[(5aR,6R)-3-methyl-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl]-4-thiazoleacetamide, 4-Thiazoleacetamide, 2-amino-α-(hydroxyimino)-N-[(5aR,6R)-1,4,5a,6-tetrahydro-3-methyl-1,7-dioxo-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl]-, (αZ)-

Cefdinir Lactone (CAS 946573-41-7) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C14H13N5O5S2 and a molecular weight of 395.41400 g/mol. Key property: a density of 2.08±0.1 g/cm3 (20 °C, 760 mmHg). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

946573-41-7

Jingsj CID

J-1497912-3

Molecular Formula

C₁₄H₁₃N₅O₅S₂

Molecular Weight

395.41400 g/mol

Category

Esters

Last updated

8/21/2026