7-Keto-DHEAAcetateSKYPE:edisonxu0907email:tracyatycphardotcomProductname:7-Keto-DHEAAcetateChemicalname:CASNO:1449-61-2Chemicalformula:C21H28O4Structuralformula:Transformationnature:WhitecrystallinepowderMeltingpoint:186.0~188.0LOD:≤0.5%Residueonignition:≤0.1%He***ymetal:≤20.0ppmThinlayerchromatography(TLC):OnlyonestainAssay:≥98.5%Mainuse:Anintermediateofmedicinesofhormones)