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55903-92-9

55903-92-9 Structure

55903-92-9 Structure
IdentificationBack Directory
[Name]

(10α)-2β,16α,20,25-Tetrahydroxy-9β-methyl-19-norlanosta-5-ene-3,11,22-trione
[CAS]

55903-92-9
[Synonyms]

Cucurbitacin R
Tetrahydrocucurbitacin I
23,24-Dihydrocucurbitacin D
(10α)-2β,16α,20,25-Tetrahydroxy-9β-methyl-19-norlanost-5-ene-3,11,22-trione
(10α)-2β,16α,20,25-Tetrahydroxy-9β-methyl-19-norlanosta-5-ene-3,11,22-trione
19-Norlanost-5-ene-3,11,22-trione, 2,16,20,25-tetrahydroxy-9-methyl-, (2β,9β,10α,16α)-
[Molecular Formula]

C30H46O7
[MOL File]

55903-92-9.mol
[Molecular Weight]

518.68
Chemical PropertiesBack Directory
[Melting point ]

124 °C
[Boiling point ]

682.6±55.0 °C(Predicted)
[density ]

1.22±0.1 g/cm3(Predicted)
[form ]

Solid
[pka]

12.78±0.70(Predicted)
[color ]

White to off-white
Hazard InformationBack Directory
[Definition]

ChEBI: 23,24-dihydrocucurbitacin D is a 23,24-dihydrocucurbitacin in which a lanostane skeleton is multi-substituted with hydroxy, methyl and oxo substituents, with unsaturation at position 5. It is a 23,24-dihydrocucurbitacin, a secondary alpha-hydroxy ketone and a tertiary alpha-hydroxy ketone.
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