PCT Letrozole raw powder—Five things I must know!!! Q1:Is Letrozole raw powder a steroid? A1: Letrozole raw powder,the raw material steroids powder of Letrozole,is a kind of Hormore,not steroid,belong to PCT series,others are like Tamoxifen,Clomid,Aromasin, Halotestin,Anastrozole,Here are the basic information: CAS:112809-51-5,Molecular Formula: C17H11N5,Molecular Weight:285.31 Melt Point: 181-183°C,Color: White or off white rystalline powder,people buy Letrozole usually stored in […]

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