Hangzhou Chem4s Chemical Co.,Ltd.
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About Us
The main manufacturer of Diethyl Acetamidomalonate
Your reliable partner in custom synthesis and contract manufacturing service
Chem4s Chemicals
focuses on the researching development and manufacturing of Intermediates of APIs, special chemicals, Nutraceuticals.
Our factory is in Jiande, which is a suburb of Hangzhou. It covers an area of over 20000 square meters.
Chem4s uniquely have a uniqi multifunctional workshop, whose facility can meet from Kilo scale to Tons scale manufacturing for custom synthesis and contract manufacturing service.

Our advantage products
  1. Ciprofibrate
  2. Tropicamide
  3. Diethyl acetamidomalonate
  4. (S)-(-)-Diaminopropane Hydrochloride
  5. (S)-(+)-1,2-Diaminopropane-N,N,N',N'-tetraacetic acid
  6. 3,4-Dihydro-7-(4-bromobutoxy)-2(1H)-quinolinone
  7. 1-(4-Methoxyphenyl)-2-benzylaminopropane
  8. 4-Hydroxy-3-nitroacetophenone
  9. 4-Benzyloxy-3-nitroacetophenone
  10. 2-Bromo-4'-Benzyloxy-3'-nitroacetophenone
  11. 3-Ethyl-5-(2-hydroxyethyl)-4-methylthiazolium bromide
  1. 3-Amino-1,3,4,5-tetrahydro-2H-1-benzazepin-2-one
  2. Agmatine sulfate
  3. N-Methyltyramine hydrochloride
  4. Hordenine hydrochloride
  5. Tetradecylthioacetic acid
  6. (1R,2S)-(-)-2-Amino-1,2-diphenylethanol
  7. (1S,2R)-(+)-2-Amino-1,2-diphenylethanol
  8. (R)-Piperazine-2-carboxylic acid dihydrochloride
  9. (S)-Piperazine-2-carboxylic acid dihydrochloride
  10. (1R,2R)-(+)1,2-Diphenylethylenediamine
Products List
  1. Main Products
  2. Nutraceuticals
  3. Chiral series
  4. Miscellaneous
  5. New Product
Contact us
Factory Add.: Meicheng, Jiande City,Hangzhou,
Office Add: 4/F, Building B, 789# Shixianglu, Hangzhou, China
Tel: +86-571-8882-3979,8819-5031
Fax: +86-571-8805-4039
Email:ylchem4s@gmail.com
chem4s@yahoo.com
URL: www.chem4s.cn
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