We provide D (+) Ester that is high on demand for making different kinds of chemical substances. D (+) Ester is a White to Off-white powder with high melting point. The chemical find usage as Intermediate for Diltiazem. Details Chemical Name : Methyl (2S, 3S)- 3- (2- aminophenylthio)-2-Hydroxy-3-(4- Methoxyphenyl) Propionate Appearance : White to Off-white powder Melting Point : 106 oC to 112oC LOD : Not more than