5-alpha-Pregn-2-en-20-yn-17-beta-ol structure

5-alpha-Pregn-2-en-20-yn-17-beta-ol

(5S,8R,9S,10S,13S,14S,17R)-17-ethynyl-10,13-dimethyl-1,4,5,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol

Also Known As: 17alpha-Dihydroquilenin|NIOSH/TU5568000|KST-1A4711|5-alpha-Pregn-2-en-20-yn-17-beta-ol|(5|A,17|A)-pregn-2-en-20-yn-17-ol|17-Ethynyl-5alpha-androst-2-en-17beta-ol|5alpha,17alpha-Pregn-2-en-20-yn-17-ol|17-alpha-Ethynyl-5-alpha-androst-2-en-17-beta-ol|(5I+/-,17I+/-)-Pregn-2-en-20-yn-17-ol|(5S,8S,9S,10S,13S,14S,17S)-17-ethynyl-10,13-dimethyl-1,4,5,6|(1R,3aS,3bR,5aS,9aS,9bS,11aS)-1-ethynyl-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,5H,5aH,6H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-ol|(5S,8R,9S,10S,13S,14S,17R)-17-ethynyl-10,13-dimethyl-1,4,5,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol|(5S,8S,9S,10S,13S,14S,17S)-17-ethynyl-10,13-dimethyl-1,4,5,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol

CAS: 3642-95-3
Molecular Formula C21H30O
Molecular Weight 298.22968 g/mol
LogP 5.0
Topological Polar Surface Area 20.2 Ų
Hydrogen Bond Donors 1
Hydrogen Bond Acceptors 1
Rotatable Bonds 1
Exact Mass 298.22968
Monoisotopic Mass 298.22968
Heavy Atoms 22
Complexity 553.0

Chemical Identifiers

CAS Number 3642-95-3
SMILES C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CC[C@@H]4[C@@]3(CC=CC4)C
InChIKey CYJOYLQIRRWROZ-OGNRNXDYSA-N

Patent-Derived Application Labels

Derived from 2 IPC patent classification(s) across the SureChEMBL global patent database.

Heterocyclic Building Blocks (6 patents) Pharmaceutical Intermediates (3 patents)

Product Overview

5-alpha-Pregn-2-en-20-yn-17-beta-ol (CAS 3642-95-3), with molecular formula C21H30O and molecular weight 298.22968 g/mol. IUPAC: (5S,8R,9S,10S,13S,14S,17R)-17-ethynyl-10,13-dimethyl-1,4,5,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol.

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