(3β)-7-Dehydro Cholesterol


CAS No. : 434-16-2

(3β)-7-Dehydro Cholesterol,434-16-2
Product Details
Cat No:R050896
Synonyms:Cholesta-5,7-dien-3β-ol; 7,8-Didehydrocholesterol; 7-Dehydrocholesterin; Provitamin D3.
Molecular Formula:C27H44O
Molecular Weight:384.648
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Assay:≥90%
Appearance:A crystalline solid
Cat No:R050896
Cas No:434-16-2
Product-Name:(3β)-7-Dehydro Cholesterol
IUPAC Name:(3S,9S,10R,13R,14R,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol
InChI:InChI=1S/C27H44O/c1-18(2)7-6-8-19(3)23-11-12-24-22-10-9-20-17-21(28)13-15-26(20,4)25(22)14-16-27(23,24)5/h9-10,18-19,21,23-25,28H,6-8,11-17H2,1-5H3/t19-,21+,23-,24+,25+,26+,27-/m1/s1
InChIKey:UCTLRSWJYQTBFZ-DDPQNLDTSA-N
SMILES:CC(C)CCCC(C)C1CCC2C1(CCC3C2=CC=C4C3(CCC(C4)O)C)C
7-dehydro Cholesterol (7-DHC) is an immediate precursor of cholesterol. It is reduced to cholesterol by the enzyme 3β-hydroxysterol-Δ 7-DHC is elevated in rats treated with the DHCR7 inhibitor AY9944, an animal model of SLOS. 7-DHC is subject to free radical oxidation (autoxidation), giving rise to several oxysterols which contribute to pathogenesis. Serum levels of 7-DHC, largely derived from the liver, are approximately 0.3 μM in healthy individuals. In the skin, photolysis of 7-DHC by ultraviolet light produces vitamin D3 (Item No. 11792).
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