Formulation: A crystalline solid
Formal Name: 4,4'-(hydroxymethylene)bis-benzonitrile
Purity: ≥98%
Formula Markup: C15H10N2O
Formula Weight: 234,3
Shelf life (days): 1825
CAS Number: 134521-16-7
Notes: 4,4'-Dicyanobenzhydrol (Item No. 21316) is an analytical reference standard that is a metabolite of letrozole (Item No. 11568), an aromatase inhibitor that has been abused during sports doping cycles to reduce gynecomastia associated with androgen abuse.{38772} 4,4'-Dicyanobenzhydrol has been used as a marker of letrozole use in athletes. This product is intended for research and forensic applications.