Beijing Lunarsun Pharmaceutical Co.,LTd is a professional manufacturer of API and intermediates. Our main products are as follows. Fludarabine Phosphate CAS No.: 75607-67-9 Mecobalamin CAS No.13422-55-4 Gemcitabine HCL CAS No.:122111-03-9 Amisulpride CAS No.:71675-85-9 Olopatadine HCl CAS No.140462-76-6 Pemetrexed disodium CAS No:150399-23-8 Temozolomide CAS No.: 85622-93-1 Voriconazole CAS No.: 137234-62-9 Agomelatine 7-Methoxy-1-naphthylacetonitrile CAS:138113-08-3 （N-2） 2-(7-Methoxynaphthalen-1-yl)ethanamine CAS:138113-09-4 （N-1） Amisulpride 4-Amino-5-ethylsulfonyl-2-methoxybenzoic acid, CAS No.71675-87-1 Ambroxol 2-Amino-3,5-dibromobenzaldehyde CAS 50910-55-9 Doripenem (2S,4R)-2-(hydroxymethyl)-4-[(methylsulfonyl)oxy]-1-Pyrrolidinecarboxylic acid,(4-nitrophenyl)methyl ester (Doripenem side-chain intermediate) CAS：127626-37-3 4-Nitrobenzyl(2S,4S)-4-acetylthio-2-[[N-sulfamoyl-N-(tert-butoxycarbonyl)amino]methyl]pyrrolidine-1-carboxylate (Doripenem side-chain), CAS No:491878-06-9 Erlotinib 6,7-bis-(2-Methoxyethoxy)-quinazolin-4(3h)-one CAS No: 179688-29-0 4-chloro-6,7-bis(2-methoxyethoxy)-4(3H)-quinazoline CAS No: 183322-18-1 2-amino-4,5-bis(2-methoxyethoxy)benzoic acid ethyl ester hydrochloride CAS NO.:183322-17-0 Gemcitabine 2'-Deoxy-2',2'-difluoro-D-erythro-pentofuranous-1-ulose- 3,5-dibenzoate, CAS No.122111-01-7 2-Deoxy-2,2-difluoro-D-ribofuranose-3,5-dibenzoate-1-methanesulfonate, CAS No.134877-42-2 2’,2’-Difluoro-2’-deoxycyodine-3’,5’-dibenzoate, CAS No.134790-39-9 Panipenem 4-Nitrobenzyl-1-((S)-3-mercaptopyrrolidin-1-yl)ethylidenecarbamate (Panipenem side chain) CAS No: 90505-36-5 Pemetrexed 4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid methyl ester CAS No: 155405-80-4 4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pymol[2,3-d]pyrimodin-5-yl)ethyl]benzoic acid CAS No: 137281-39-1 Voriconazole 4-Chloro-6-ethyl-5-fluoropyrimidine CAS No.:137234-74-3 (2R,3S/2S,3R)-3-(4-Chloro-5-fluoro-6-pyrimidinyl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2-butanol hydrochloride ( N-2 step) CAS No.:188416-35-5 Argatroban Ethyl (2R,4R)-4-methyl-2-piperidinecarboxylate Cas No: 74892-82-3