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4-Chloro-17α-methyl-androsta-1,4-diene-3,17-diol is an analytical reference standard categorized as an anabolic androgenic steroid.¹ Anabolic steroids, including 4-chloro-17α-methyl-androsta-1,4-diene-3,17-diol, have been used to enhance physical performance in racehorses. 4-Chloro-17α-methyl-androsta-1,4-diene-3,17-diol is regulated as a Schedule III compound in the United States. This product is intended for research and forensic applications.

1. Clarke, A., Scarth, J., Teale, P., et al. The use of in vitro technologies and high-resolution/accurate-mass LC-MS to screen for metabolites of “designer” steroids in the equine Drug Test Anal. 3(1),74-87(2011).