YK-11

Other names: YK-11-OA, 19-norpregna-4,20-diene-21-carboxylic acid, 17,20-((1-methoxyethylidene)bis(oxy))-3-oxo-, methyl ester, (17alpha,20E)-, methyl(2E)-2-[(8R,9S,10R,13S,14S,17R)-2’-methoxy-2’,13-dimethyl-3-0x0spiro[1,2,6.7,8,9,10,11,12,14,15,16-dodecahydroyclopenta[, 19-norpregna-4,20-diene-21-carboxylic acid, 17,20-((1-methoxyethylidene)bis(oxy))-3-oxo-, methyl ester, (17α,20E)-, YK-500, (17-α,20E)-17,20-[(1-methoxyethylidene)bis(oxy)]-3- oxo-19-norpregna-4,20-diene-21-carboxylic acid methyl ester), 17α,20E)-17,20-[(1-methoxyethylidene)bis(oxy)]-3-oxo-19-norpregna-4,20-diene- 21-carboxylic acid methyl ester, YK11 cpd, (17a,20E)-17,20-[(1-Methoxyethylidene)bis(oxy)]-3-oxo-19-norpregna-4,20-diene-21-carboxylic acid methyl ester, YK11, YK 11

Classifications: 6000

Reasons for prohibition: - WADA S1: Anabolic Agents (source) - Unapproved Drug - FDA Statement

References: - {'title': 'NIH NCATS Inxight Drugs entry: YK-11', 'url': 'https://drugs.ncats.io/drug/Z9748J6B0R'} - {'title': 'FDA warns against using SARMs in body-building products', 'url': 'https://www.fda.gov/news-events/fda-brief/fda-brief-fda-warns-against-using-sarms-body-building-products'}

Reason: WADA S1: Anabolic AgentsUnapproved drugFDA statement: SARMs

Searchable name: yk-11

GUID: abf7848f-3428-4117-a0b8-5a4c578d4a3f

Added: 2026-01-01T00:09:47.312568+00:00

Updated: {"_seconds": 1720807865, "_nanoseconds": 909000000}