| Identification | Back Directory | [Name]
Cephalexin sodium impurity VI | [CAS]
65870-52-2 | [Synonyms]
Cycloserine impurity 57
Cephalexin sodium impurity VI
Cefalexin Diketopiperazine Delta-3 Isomer
Δ4-Cephalexin Diketopiperazine (Technical Grade)
2-(3,6-dioxo-5-phenylpiperazin-2-yl)-5-methyl-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid
2H-1,3-Thiazine-4-carboxylic acid, 2-(3,6-dioxo-5-phenyl-2-piperazinyl)-5,6-dihydro-5-methyl- | [Molecular Formula]
C16H17N3O4S | [MDL Number]
MFCD10566360 | [MOL File]
65870-52-2.mol | [Molecular Weight]
347.39 |
| Chemical Properties | Back Directory | [Melting point ]
>140°C (dec.) | [density ]
1.56±0.1 g/cm3(Predicted) | [storage temp. ]
Hygroscopic, -20°C Freezer, Under inert atmosphere | [solubility ]
DMSO (Slightly), Water (Slightly) | [form ]
Solid | [pka]
11.96±0.60(Predicted) | [color ]
Pale Yellow to Light Yellow | [Stability:]
Hygroscopic |
| Hazard Information | Back Directory | [Uses]
Δ4-Cephalexin Diketopiperazine is a degradation product of Cephalexin (C256800), a semi-synthetic cephalosporin antibiotic. |
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