ChemicalBook--->CAS DataBase List--->70993-70-3

70993-70-3

70993-70-3 Structure

70993-70-3 Structure
IdentificationBack Directory
[Name]

Cefmetazole Lactone
[CAS]

70993-70-3
[Synonyms]

Cefmetazole Lactone
2-((cyanomethyl)thio)
Cefmetazole Lactone 1
Cefmetazole Impurity 3
Cefmetazole inner ester
Cefmetazole Lactone (~90%)
Cefmetazole Sodium Impurity A
Cefmezole sodium decomposition
Cefmetazole Related Compound inner ester
Cefmetazole Impurity 1 (Cefmetazole Lactone)
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
(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
Acetamide, 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)-, (5aR-cis)- (9CI)
Cefmetazole impurity 4/Cefmetazole Lactone/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
[Molecular Formula]

C13H13N3O5S2
[MOL File]

70993-70-3.mol
[Molecular Weight]

355.39
Chemical PropertiesBack Directory
[Melting point ]

>81°C (dec.)
[Boiling point ]

803.6±65.0 °C(Predicted)
[density ]

1.61±0.1 g/cm3(Predicted)
[storage temp. ]

Hygroscopic, -20°C Freezer, Under inert atmosphere
[solubility ]

DMSO (Slightly), Methanol (Slightly)
[form ]

Solid
[pka]

11.37±0.20(Predicted)
[color ]

Off-White to Light Yellow
Hazard InformationBack Directory
[Uses]

Cefmetazole Lactone is an impurity of cefmetazole (C242850), which is a semi-synthetic antibiotic derived from Cephamycin. Antibacterial.
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