S23 – Solution, 600MG (20mg/mL)

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S-23 is an investigational selective androgen receptor modulator (SARM) developed by GTX, Inc as a potential male hormonal contraceptive. It binds more strongly to the androgen receptor than older drugs such as andarine with a Ki of 1.7nM, and in animal studies showed a good ratio of anabolic to androgenic effects as well as dose-dependent suppression of spermatogenesis with spontaneous recovery after treatment discontinuation.

S-23 appears to be the most severe androgen receptor modulator to date.

S23 valuable lean body mass and bone mineral density. In a dose dependent way in an indirect way.




12 hours


This material is sold for use in laboratory research only. Terms of sale apply. Not for human consumption, nor for medical, veterinary use. Please use with our DISCLAIMER before ordering.


Data sheet

S-23 – Solution, 600mg (20mg/mL)

Application Selective Androgen Receptor Modulator
CAS 1010396-29-8
Molar Mass 416.753 g/mol
Chemical Formula C18H13ClF4N2O3
IUPAC Name (2S)-N-(4-cyano-3-trifluoromethylphenyl)-3-(3-fluoro-4-chlorophenoxy)-2-hydroxy-2-methyl-propanamide
Synonyms UNII-XDK89456WM, 3-(4-cyanophenoxy)-N-(4-cyano-3-trifluoromethylphenyl)-2-hydroxy-2-methylpropionamide, CCTH-methylpropionamide
Storage Room Temperature
Solubility Soluble in PEG400, Ethanol
Organoleptic Profile Clear liquid
Physical Form Solution in PEG400
Specification 20mg/mL ±5%
Terms This material is sold for laboratory research use only. Terms of sale apply. Not for human consumption, nor medical, veterinary, or household uses. Please familiarize yourself with our disclaimer prior to ordering.


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