Dear Sir / Madam, Greetings !! Atul Ltd-PP Site, pharmaceuticals & Intermediates divison offer phosgene derivatives as pharmaceutical intermdiares from gm to Ton scale. Our product list is given below. Please contact us at Atul Ltd for more details. A. Commercially available. 1. 4-Nitrophenyl Chloroformate (CAS No: 7693-46-1) ( 4-NPCF ) 2. N- Methyl Piperazine Carbomyl Chloride. HCl ( 55112-42-0 ) ( NMPCCl) 3. 2-Phenyl Ethyl Isocyanate ( CAS No: 1943-82-4) ( 2-PEI ) 4. n-Pentyl Chloroformate ( CAS No: 638-41-5 ) ( n- PCF ) 5. 1,1' Carbonyl Diimdizole ( CAS No: 530-62-1) ( CDI ) 6. R-a-a- Diphenyl Prolinol ( CAS No: 22348-32-9) ( R-a-a-DPP ) 7. 2,2,2 Trichloroethyl Chloroformate ( CAS No: 17341-93-4 ) ( 2,2,2 TCECF ) 8. Phenyl Chloroformate ( CAS No: 1885-14-9) ( PCF ) 9. 4-Nitro Benzyl Chloroformate ( CAS No: 4457-32-3 ) ( 4-NBCF ) 10. 1-Chloro-2-methylpropyl chloroformate ( CAS No: 92600-11-8 ) (1-C-2-MPCF ) 11. S-a-a-Diphenyl Prolinol ( CAS No: 112068-01-6 ) ( S-a-a-DPP) 12. 1-Chloroethyl Chloroformate ( CAS No:50893-53-3 ) ( 1-CECF ) 13. Isobutyl Chloroformate ( CAS No: 543-27-1 ) ( IBCF ) 14. N, N' Dibenzyl Ethylene Diamine Diacetate ( DBED ) 15. 1-Chloroethyl Isopropyl Carbonate ( CAS No: 98298-66-9 ) ( 1-CEIPC) B. Bulk Drugs 1. Dapsone BP (CAS No: 80-08-0 ) 2. Acyclovir USP( CAS No: 59277-89-3 ) C. Under Development / Scale up 1. Menthyl Chloroformate ( CAS no: 14602-86-9 ) ( Mn CF ) 2. Z- Valine ( CAS No: 1149-26-4 ) 3. 4-Methoxy Phenyl Chloroformate ( CAS No: 7693-41-6 ) 4. 1-Chloroethyl Cyclohexyl Carbonate ( CAS No:98298-66-9 ) ( 1-CECHC) Yours Truly, Devendra Murkar