Lumisterol 3

• CAT Number: R056477
• CAS Number: 5226-01-7
• Molecular Formula: C27H44O
• Molecular Weight: 384.648
• Purity: ≥95%
• Synonyms: (3β,9β,10α)-Cholesta-5,7-dien-3-ol; 9β,10α-Cholesta-5,7-dien-3β-ol
• Target: Endogenous Metabolite
• Storage: Store at -20°C
• IUPAC Name: (3S,9R,10S,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-XMVWLVNMSA-N
• SMILES: CC(C)CCCC(C)C1CCC2C1(CCC3C2=CC=C4C3(CCC(C4)O)C)C

Lumisterol 3 is a naturally occurring sterol formed as a byproduct during the photochemical conversion of 7-dehydrocholesterol to vitamin D3 in the skin upon UV exposure. Unlike vitamin D3, Lumisterol 3 does not possess significant biological activity in calcium metabolism but plays a role in the complex balance of vitamin D metabolites in the body. It is considered a photoproduct with potential protective properties, as it can absorb excess UV radiation, reducing the risk of skin damage. Lumisterol 3 is of interest in studies exploring vitamin D metabolism and photoprotection mechanisms.