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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.

 N,N,N',N'-Tetraphenylbenzidine [15546-43-7]
 1-Bromo-3-Iodobenzene [591-18-4]
 Diethyl oxalacetate, sodium salt [40876-98-0]
 Tetrabromophthalate Diol [77098-07-8]
 2-Aminodiphenylamine [534-85-0]
 4-Methoxyisophthalic acid [2206-43-1]
 4-Hydroxy-2'-nitrodiphenylamine(HC Orange No.1) [54381-08-7]
 Isopropyl cinnamate [7780-06-5]
 Tetrabromophthalic anhydride [632-79-1]
 4,4'-Diiodobiphenyl (DIB) [3001-15-8]
 Diethyl oxalacetate, sodium salt [40876-98-0]
 Tetraethyl orthocarbonate [78-09-1]
 tert-Butyl 2-bromobutanoate [24457-21-4]
 1,2-Dichloroglyoxime [2038-44-0]
 2-Chloropyrazine [14508-49-7]
 Ethyl 2-ethylacetoacetate [607-97-6]
 Isopropyl cinnamate [7780-06-5]
 4-Bromobiphenyl [92-66-0]
 4,5,6,7-Tetrachloro-1,3-isobenzofurandione [117-08-8]
 2,3-DIMETHYL-2,3-DINITROBUTANE [3964-18-9]
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