Anti Estrogen Chemical Clomiphene Citrate / Clomiphene / Clomid SERM Raw Powder Clomifene Citrate (Clomid) Basic Info: CAS Number: 50-41-9 Molecular Formula: C32H36ClNO8 Molecular Weight: 598.08 What is Clomifene Citrate (Clomid) ? Clomid (Clomiphene Citrate) is a powerfully effective anti-estrogen officially classified as a Selective Estrogen Receptor Modulator (SERM). In many ways, it is very similar to another popular SERM in Nolvadex (Tamoxifen …