What We Do

Custom Chemical Synthesis
Custom Research
Custom Manufacturing
Contract Manufacturing
Analytical Development
Regulatory and QA Support

Chemical Manufacture and Control (CMC)

Total Reaction Volume : 98,000L
Three Manufacturing Blocks: Capacity from 500L to 5000L
Hydrogenation Capabilities: 500-1000L (60 Bar)

Custom Organic Chemical Synthesis and Manufacturing

5-Ethylthio-1H-Tetrazole(ETT) [89797-68-2]

5-Bromo-2,4-dichloropyrimidine [36082-50-5]

2,3-Dimethyl-2,3-Dinitrobutane [3964-18-9]

Tetraethyl P-Xylylenediphosphonate [4546-04-7]

Fendizoic Acid [84627-04-3]

5-Amino-4,6-dichloro-2-methylpyrimidine [39906-04-2]

Diethyl Oxalacetate, Sodium Salt [40876-98-0]

Diglycolic acid [110-99-6]

1-boc-piperidine-4-carboxylic acid [174316-71-3]

7H-Pyrrolo[2,3-d]pyrimidine-2,4-diol [39929-79-8]

1/24/2020 12:52:57 AM

Custom Synthesis, Contract Manufacturing and Chemical Manufacturing

Chemsigma International Co.,Ltd. is a chemical manufacturer of custom synthesis companies, specialize in custom synthesis, custom research, contract manufacturing and organic chemical manufacturing for overseas customers, in the field of API, pharmaceutical intermediates, chemical intermediates, fine chemicals, agrochemicals, and Fragrance Perfume etc. We setup a factory in JiangSu priority to Pharmaceutical Intermediates and a factory in AnHui mainly engaged in Fragrance Perfume. Now we have two autoclaves (up to 7.0MPa), two rectifying columns (8m and 6m), two refrigerating sets (below to -25 degree centigrade) and other normal machine. More Details...

We will start Spring Festival From 24th,Jan To 31th,Jan, and come back on 1st,Feb.

We're Supplying Now in Mass Production

3,3'-Diaminobenzidine [91-95-2]

5-[(phenylmethyl)thio-1H-Tetrazole [21871-47-6]

Phenylacetyl disulfide(PADS) [15088-78-5]

DIBENZYL DIISOPROPYLPHOSPHORAMIDITE [108549-23-1]

2-Methoxyethyl acetoacetate [22502-03-0]

2-Nitrobenzyl p-toluenesulfonate [20444-09-1]

1,4-THIOXANE [15980-15-1]

Benzenemethanol, 2,4-dinitro-, 4-methylbenzenesulfonate (ester) [114719-50-5]

5-Ethylthio-1H-Tetrazole(ETT) [89797-68-2]

2-Methyl-3-nitro-N,N-dipropylphenylacetamide [91374-22-0]

Acetyl-D-2-aminobutyric acid [34271-27-7]

DL-2-AMINOOCTANOIC ACID [644-90-6]

(R)-(+)-2-Tetrahydrofuroic acid [87392-05-0]

ChloroMethyl Methyl Carbonate [40510-81-4]

5-Bromo-2,4-dichloropyrimidine [36082-50-5]

4,4-Piperidinediol hydrochloride [40064-34-4]

1-Bromo-4-cyclohexylbenzene [25109-28-8]

4,5-Dicyanoimidazole(DCI) [1122-28-7]

4-Mercapto Benzoic Acid [1074-36-8]

Acrylic anhydride [2051-76-5]

2,3-Diaminomaleonitrile （DAMN） [1187-42-4]

D-(+)-3-Bromocamphor sulphonic acid ammonium salt [14575-84-9]

2-Aminodiphenylamine [534-85-0]

6-Hydroxy-1-naphthoic acid [2437-17-4]

2,3-Dimethyl-2,3-Dinitrobutane [3964-18-9]

Clofazimine [2030-63-9]

Cyclopropylamine [765-30-0]

4-METHYLBENZENETHIOL, SODIUM SALT [10486-08-5]

Aprotinin [9087-70-1]

N,N,N',N'-Tetrabutyl-1,6-hexanediamine [27090-63-7]