AMIT HETEROCHEM LABS (I) LTD. Address: 5/9, Viram Khand, Gomti Nagar, Lucknow-226 010, India Contact Person: Manufacture of Speciality Chemical for Pharma Industry :Thiophosgene (95% Grade `C', 97 % Grade`B', 99% Grade `A'), Benzyl Chloroformate (90-95% HPLC, 50% in Toluene), 4-Chlorobutyryl Chloride-Min. 98.5% (GC) (Sulphur Free ), 4-Chloro-4'-Fluorobutyrophenone-Min 97%, 1-Hydroxy Benzotriazole-Min. 99%, Phenylisothiocyanate-Min. 95%, N-N-Dimethyl Carbamoyl Chloride-Min. 97%