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

Cyclopropylamine [765-30-0]

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

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

3-HEPTANOL [589-82-2]

Acrylic anhydride [2051-76-5]

2(5h)-furanone, 5-hydroxy-4-propyl- [78920-10-2]

3-CARENE [13466-78-9]

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

2-Ethoxyethyl Acetate [111-15-9]

2-Nitropropane [79-46-9]

3-Buten-1-ol [627-27-0]

2-Amino-5-nitrobenzophenone [1775-95-7]

Methyl Phenyl Sulfoxide [1193-82-4]

2-Nitrodiphenylamine (2-NDPA) [119-75-5]

Ethyl 2-ethylacetoacetate [607-97-6]

2,4-Dichloropyrimidine [3934-20-1]

Isopropyl cinnamate [7780-06-5]

4-Methoxyisophthalic acid [2206-43-1]

DAB 4HCl [868272-85-9]

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

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

Fendizoic acid [84627-04-3]

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

Diglycolic acid [110-99-6]

2/19/2020 6:54:47 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're Supplying Now in Mass Production

Cyclopropylamine [765-30-0]

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

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

7-hydroxy-N,N,N-trimethyl-2-Naphthalenaminium,methyl sulfate [377734-55-9]

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

Tert-DodecanethiolGold salt [26403-08-7]

Clofazimine [2030-63-9]

2-Aminodiphenylamine [534-85-0]

3-HEPTANOL [589-82-2]

3-Buten-1-ol [627-27-0]

2(5h)-furanone, 5-hydroxy-4-propyl- [78920-10-2]

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

Acrylic anhydride [2051-76-5]

2-Amino-5-nitrobenzophenone [1775-95-7]

Methyl Phenyl Sulfoxide [1193-82-4]

ADIPIC ACID DIVINYL ESTER [4074-90-2]

1-(imidazo[1,2-a]pyridin-6-yl)propan-2-one [116355-08-9]

4,4'-(1,4-phenylenedi-2,1-ethenedily)bis[N-(2-ethyl-6-methylphenyl)-N-phenyl-Benzenamine [254897-50-2]

N,N'-Diphenylbenzidine [531-91-9]

2-Nitrodiphenylamine (2-NDPA) [119-75-5]

1,1-Diphenylethanol [599-67-7]

Bis(2-ethylhexyl)tetrabromophthalate [26040-51-7]

Endo-3-Bromo-D-camphor [10293-06-8]

Ethyl 2-ethylacetoacetate [607-97-6]

(S)-Omeprazole magnesium dihydrate, Nexium dihydrate, (T-4)-Bis[6-methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl-KO]-1H-benzimidazolato-KN3]-Magnesium dihydrate [217087-10-0]

Isopropyl cinnamate [7780-06-5]

4-Hydroxyisophthalic acid [636-46-4]

DAB 4HCl [868272-85-9]

Ethyl isothiocyanate [542-85-8]

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