(20S)-21-Hydroxy-20-methylpregn-4-en-3-one

• CAT Number: R055943
• CAS Number: 40736-33-2
• Molecular Formula: C22H34O2
• Molecular Weight: 330.51
• Purity: ≥95%
• Synonyms: 23,24-Bisnorchol-4-en-3-on-22-ol; 3-keto-23,24-Bisnorchol-4-en-22-ol
• Storage: Store at -20C
• IUPAC Name: (8S,9S,10R,13S,14S,17R)-17-[(2S)-1-hydroxypropan-2-yl]-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
• InChI: InChI=1S/C22H34O2/c1-14(13-23)18-6-7-19-17-5-4-15-12-16(24)8-10-21(15,2)20(17)9-11-22(18,19)3/h12,14,17-20,23H,4-11,13H2,1-3H3/t14-,17+,18-,19+,20+,21+,22-/m1/s1
• InChIKey: ZNWOYQVXPIEQRC-HOFZUOGSSA-N
• SMILES: CC(CO)C1CCC2C1(CCC3C2CCC4=CC(=O)CCC34C)C

(20S)-21-Hydroxy-20-methylpregn-4-en-3-one(CAT: R055943) is a synthetic steroidal compound belonging to the pregnane class, featuring a hydroxyl group at C21, a methyl substitution at C20, and a double bond between C4 and C5. It appears as a white to off-white crystalline powder and is sparingly soluble in water but soluble in organic solvents. Structurally related to progesterone derivatives, it is often used as an intermediate in the synthesis of corticosteroids, progestins, and other hormonally active steroids. Its defined stereochemistry at C20 (20S) ensures specific biological and receptor-binding properties.