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Chemsigma International Co.,Ltd. , a oriented fine chemical/pharmaceutical intermediate supplier, provide a wide range of organic & inorgnanic compounds in various quantities ranging from grams for research purposes to several tons for commercial applications.
We have served a world wide laboratory & factorys organic & inorgnanic chemical products such as catalyzer, fine chemicals, pharmaceutical & intermediates, Agrochemicals & Indermediates, Chemical Intermediates, Organic Intermediates, Dyestuffs & intermediates, Photographic & Electronics Chemicals and so on.

We have been supplying those chemical series as followed:

    • Some chemicals are as below, more chemicals can be found with searching.

     4-Hydroxy-2'-nitrodiphenylamine(HC Orange No.1) [54381-08-7]
     N-Hydroxy-5-norbornene-2,3-dicarboxylic acid imide [21715-90-2]
     Acid Orange 12 Dye (C.I.NO.15970) [1934-20-9]
     2-Nitrodiphenylamine [119-75-5]
     2-Amino-4-nitro-N-(2-hydroxyethyl)aniline [56932-44-6]
     4-Methoxy-2,2',4'-trimethyldiphenylamine [41374-20-3]
     9-Anthracenemethanol [1468-95-7]
     2-Methoxyethyl acetoacetate [22502-03-0]
     Azomethine-H monosodium salt monohydrate [5941-07-1]
     HC Yellow No.2 2-Nitro-N-(Hydroxyethyl)Anili [4926-55-0]
     Iodobenzene [591-50-4]
     Diethyl benzylphosphonate [1080-32-6]
     4-Iodo-2,5-dimethoxyphenethylamine (2C-I) [69587-11-7]
     Tetrabromophthalate Diol [77098-07-8]
     5-(2-Chlorophenyl)-1-(Triphenylmethyl)-1H-tetrazol [1131003-57-0]
     Tetrabromophthalate Diol [370071-69-5]
     4-Iodobiphenyl [1591-31-7]
     5-(2-bromophenyl)-1-(Triphenylmethyl)-1H-tetrazole [143945-72-6]
     2-Aminodiphenylamine [534-85-0]
     Dibenzyl diselenide [1482-82-2]
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