Molecular Formula: C19H18F3N3O6 Formula Weight: 441.36 CAS No.: 401900-40-1 We are a manufacturer(TCS INDUSTRY LIMITED) for GW-1516 AND Ostarine(MK-2866) and S4(401900-40-1) , ARE you interested, if yes, please contact with us, We are trying to find and cooperate with you in all kinds of ways, Hope get your earlier response! S4