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Fine Chemicals

All our fine chemicals are produced in our own plant in The Netherlands under current Good Manufacturing Practice (cGMP) guidelines. The major volume of our fine chemicals is used as advanced intermediate in the production of Active Pharmaceutical Ingredients (APIs) or as excipient. A range of small volume fine chemicals is used in a variety of industrial applications. For example, we can offer a wide range of substituted Pyrimidines, Pyridines and Pyrazoles. We also toll manufacture fine chemicals on an exclusive and confidential basis.

(+)-4-Cholesten-3-one
CAS 601-57-0
(E)-Chalcone
CAS 614-47-1
(S)-N-(1-Bromo-2-propyl)phthalimide
CAS N/A
1-Cyclohexyl-5-ethylbarbituric acid
CAS 837-32-1
1H-Indazole
CAS 271-44-3
1H-Pyrazole-1-carboxamidine Sulfate
CAS 1166862-30-1
2-Amino-4,6-dimethylpyrimidine
CAS 767-15-7
2-Amino-5-(2-hydroxyethyl)-6-methylpyrimidin-4(3H)-one
CAS 6940-45-0
2-Bromoethanesulfonic Acid Sodium Salt
CAS 4263-52-9
2-Hydroxy-4-methylpyrimidine Hydrochloride
CAS 5348-51-6
2-Hydroxy-6-methylpyridine
CAS 3279-76-3
2-Hydroxypyrimidine Sulphate
CAS 90010-00-7
2,2-Diphenylacetic acid
CAS 117-34-0
2,2-Diphenylglycine
CAS 3060-50-2
2,4-Dimethyl-6-hydroxypyrimidine
CAS 6622-92-0
2,4-Pyridinedicarboxylic Acid
CAS 499-80-9
2,5-Dihydroxy-1,4-benzoquinone
CAS 615-94-1
2,5-Dimethylbenzoxazole
CAS 5676-58-4
3-Amino-4-carbethoxypyrazole
CAS 6994-25-8
3-Carboxy-2-hydroxy-6-methylpyridine
CAS 38116-61-9
3-Cyano-2-hydroxy-6-methylpyridine
CAS 4241-27-4
3,4-Pyridinedicarboxylic Acid
CAS 490-11-9
3,5-Dimethylpyrazole
CAS 67-51-6
3,5-Pyrazoledicarboxylic Acid Diethyl Ester
CAS 37687-24-4
3,5-Pyrazoledicarboxylic Acid Monohydrate
CAS 3112-31-0
3,5-Pyridinedicarboxylic Acid
CAS 499-81-0
4-Amino-6-hydroxy-2-methylpyrimidine Dihydrate
CAS 767-16-8
4,4’-Dimethylbenzil
CAS 3457-48-5
4,4’-Dimethylbenzoin
CAS 1218-89-9
4,5-Diphenylimidazole
CAS 668-94-0
4,6-Dihydroxy-2-methylpyrimidine
CAS 40497-30-1
4,6-Dimethyl-2-hydroxypyrimidine
CAS 108-79-2
4,6-Dimethyl-2-hydroxypyrimidine Hydrochloride
CAS 34289-60-6
5-Amino-4,6-dihydroxy-2-methylpyrimidine
CAS 98797-08-1
5-Amino-4,6-dihydroxypyrimidine
CAS 69340-97-2
5-Benzimidazolecarboxylic Acid
CAS 15788-16-6
5-n-Butylbarbituric acid
CAS 1953-33-9
Benzilic Acid
CAS 76-93-7
D,L-2-Phenylsuccinic Acid
CAS 635-51-8
Ethyl Benzilate
CAS 52182-15-7
Glycofurol
CAS 31692-85-0
m-Tolylacetic acid
CAS 621-36-3
Methyl Benzilate
CAS 76-89-1
N-(2-Bromoethyl)phthalimide
CAS 574-98-1
N-(2-Hydroxyethyl)phthalimide
CAS 3891-07-4
N-(4-Bromobutyl)phthalimide
CAS 5394-18-3
N-Acetylglycine
CAS 543-24-8
N-Benzylideneaniline
CAS 538-51-2
N-Butylphthalimide
CAS 1515-72-6
N-Cyanoacetylurea
CAS 1448-98-2
N-Phthaloylglycine
CAS 4702-13-0
Phthalhydrazide
CAS 1445-69-8
Sodium Bromide
CAS 7647-15-6

New Products

Katwijk Chemie generally has several new products in active development.
In close cooperation with customers we evaluate feasibility and manage projects step-by-step. For process development we often involve partner companies, such as Contract Research Organisations (CROs), for specialized needs.
Our main strength is in products with volumes between 100 kg and 100 MT per year with up to 5 synthetic steps. We have experience in many types of processes, such as large scale cyanation and vacuum distillation.  We look forward to reviewing any requirements that you may have.

Chemical Production – then & now

Your Benefits in Fine Chemicals

  • More than 100 years of reliability
  • High and consistent product quality
  • All products manufactured in our plant in The Netherlands under cGMP
  • Compliant with the highest European HSE standards
  • Medium-sized, agile and flexible
  • Family-owned and fully independent