511-18-2

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511-18-2 Structure

Identification	Back Directory
[Name] 24-nor-5beta-cholan-23-oic acid
[CAS] 511-18-2
[Synonyms] Norcholanic acid 24-Nor-5β-cholan-23-oic acid 24-nor-5beta-cholan-23-oic acid 24-Norcholan-23-oic acid, (5β)- 3-(10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)butyric acid 3-(10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)butanoic acid
[EINECS(EC#)] 208-125-4
[Molecular Formula] C23H38O2
[MOL File] 511-18-2.mol
[Molecular Weight] 346.55

Chemical Properties	Back Directory
[Melting point ] 177°
[Boiling point ] 421.26°C (rough estimate)
[density ] 1.0136 (rough estimate)
[refractive index ] 1.4480 (estimate)
[pka] 4.71±0.10(Predicted)

Hazard Information	Back Directory
[Purification Methods] Recrystallise the acid from AcOH. The methyl ester has m 74o (needles from MeOH), and the ethyl ester has m 65-66o. [Yanuka et al. Tetrahedron Lett 1725 1968, Beilstein 9 III 2652, 10 IV 2083.]

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