Chemical Name:GW 1516 Molecular Formula:C21H18F3NO3S2 Formula Weight:453.5 CAS No.:317318-70-0 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! GW-1516