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21238-30-2

21238-30-2 Structure

21238-30-2 Structure
IdentificationBack Directory
[Name]

9-Deoxy-9-oxoleucomycin V 3-acetate 4''-O-(3-methylbutanoate)
[CAS]

21238-30-2
[Synonyms]

Carbomycin B
Magnamycin B
Magnamycin B (>80%)
9-Deoxy-9-oxoleucomycin V 3-acetate 4''-(3-methylbutanoate)
9-Deoxy-9-oxoleucomycin V 3-acetate 4''-O-(3-methylbutanoate)
Leucomycin V, 9-deoxy-9-oxo-, 3-acetate 4B-(3-methylbutanoate)
[Molecular Formula]

C27H40O9
[MDL Number]

MFCD09838339
[MOL File]

21238-30-2.mol
[Molecular Weight]

508.604
Chemical PropertiesBack Directory
[Melting point ]

141-144° (dec)
[alpha ]

D25 -35° (c = 1 in chloroform)
[Boiling point ]

879.7±65.0 °C(Predicted)
[density ]

1.20±0.1 g/cm3(Predicted)
[storage temp. ]

Hygroscopic, Refrigerator, under inert atmosphere
[solubility ]

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

Solid
[pka]

pKb 7.56(at 25℃)
[color ]

Off-White to Beige
[Stability:]

Hygroscopic
Hazard InformationBack Directory
[Uses]

Magnamycin B is an intermediate in the synthesis of Carbomycin (C176680), an macrolite antibiotic complex similar to Leucomycin and Erythromycin, produced by Stroptomyces halstedii.
[IC 50]

Macrolide
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