Introduce: 
    
    China Langchem Inc. provides Fine Chemicals, Natural Products and Active Pharmaceutical Ingredients. We offer a unique custom synthesis service for pharmaceutical, biotech, chemical industries and research institutions.         Fine Chemicals    
     We provide Fine Chemicals such as Coumarins, Pyrazoles, Quinolines, Pyrimidines, Pyridines, Fluorochemicals, Boronic Acids, Carboxylic Acids/Ester, Phenols/Alcohols, Aldehydes, Phosphorus Compounds, Sulfur Compounds, Alkanes, Amino Acids, Indoles/Indolines/Oxindoles, and Heterocyclic Compounds.     
    Natural Products    
         
        -     Cepharanthine;6',12'-Dimethoxy-2,2'-Dimethyl-6,7-(Methylenebis(Oxy))-Oxyacanthan    
-     ferrous sulfate    
-     Puerarin    
-     6-Gingerol    
    APIs    
         
        -     2,4-Dichloro-5H-Pyrrolo[3,2-D]Pyrimidine    
-     Tirofiban Hydrochloride Monohydrate N-(Butylsulfonyl)-O-(4-(4-Piperidinyl)Butyl)-L-Tyrosine2,4-Dimethylthiazole-5-Carboxylic Acid    
-     Lacosamide    
-     Spironolactone    
-     Dexamethasone    
-     betamethasone 17,21-dipropionate    
-     Vinpocetine    
-     Zofenopril Calcium    
-     Vinorelbine Tartrate    
-     Bevantolol Hydrochloride    
    Our Aldehydes include 4-Chloro-2-Fluorobenzaldehyde, 2,3-Difluoro-4-Methoxybenzaldehyde, 1-Tritylimidazole-4-Carboxaldehyde And 4'-Trifluoromethylbiphenyl-4-Carbaldehyde. Our Sulfur Compounds Are 4-Phenyl-5-Trifluoromethyl-Thiophene-2-Carboxylic Acid, 4,4?-Diphenoxydiphenylsulfone, 3,4-Dimethoxythiophene, 2-thiophenecarboxylic acid and 1-Bromo-3,5-Dimethoxybenzene.