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Cefmetazole Lactone

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Cefmetazole Lactone Basic information

Product Name:
Cefmetazole Lactone
Synonyms:
  • Cefmetazole Impurity 3
  • Cefmetazole Lactone (~90%)
  • (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
  • Cefmetazole Related Compound inner ester
  • Cefmetazole inner ester
  • Cefmezole sodium decomposition
  • 2-((cyanomethyl)thio)
  • 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
CAS:
70993-70-3
MF:
C13H13N3O5S2
MW:
355.39
Mol File:
70993-70-3.mol
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Cefmetazole Lactone Chemical Properties

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)
pka
11.37±0.20(Predicted)
form 
Solid
color 
Off-White to Light Yellow
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Cefmetazole Lactone Usage And Synthesis

Uses

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

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