SPL Set ID: e1390a0d-0280-49a5-a2d4-d2e13e9952ca
1 drug(s) with this SPL Set ID
Letrozole Tablets USP for oral administration contain 2.5 mg of letrozole, USP, a nonsteroidal aromatase inhibitor (inhibitor of estrogen synthesis). It is chemically described as 4,4'-(1 H -1,2,4-triazol-1-ylmethylene)dibenzonitrile, and its structural formula is: C 17 H 11 N 5 M.W. 285.31 Letrozole, USP is a white to yellowish fine powder, freely soluble in dichloromethane, slightly soluble in ethanol, and practically insoluble in water. It has a melting range of 184° to 185°C. Letrozole Tablets USP are available as 2.5 mg tablets for oral administration. Inactive Ingredients: colloidal silicon dioxide, FD&C blue #2 aluminum lake, FD&C yellow #5 aluminum lake, iron oxide yellow, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polyvinyl alcohol, sodium starch glycolate, corn starch, talc, and titanium dioxide. Sturctural Formula of Letrozole