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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.

 Dimethylmalonic acid [595-46-0]
 4-Iodobiphenyl [1591-31-7]
 N-Hydroxy-5-norbornene-2,3-dicarboxylic acid imide [21715-90-2]
 5-[(phenylmethyl)thio-1H-Tetrazole [21871-47-6]
 2-Nitrodiphenylamine [119-75-5]
 4,5-Dicyanoimidazole(DCI) [1122-28-7]
 Diethyl oxalacetate, sodium salt [40876-98-0]
 Phenazine [92-82-0]
 4-Methoxyisophthalic acid [2206-43-1]
 Ethyl 2-ethylacetoacetate [607-97-6]
 Phacolysin [3863-80-7]
 N,N'-Diphenylbenzidine [531-91-9]
 1,3-Diphenylisobenzofuran (DPBF) [5471-63-6]
 Ethyl 2-ethylacetoacetate [607-97-6]
 4,4'-Diiodobiphenyl (DIB) [3001-15-8]
 1-Chloro-4-iodobenzene [637-87-6]
 Diethyl benzylphosphonate [1080-32-6]
 Acrylic Acid Anhydride [2051-76-5]
 Tetraethyl P-Xylylenediphosphonate [4546-04-7]
 4-Hydroxy-2'-nitrodiphenylamine(HC Orange No.1) [54381-08-7]
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