Pharma & Biotech

Kyowa offers bulk pharmaceutical-grade amino acids, nucleic acids, organic acids and other related compounds. Pharmaceutical companies around the world purchase our high-quality APIs (Active Pharmaceutical Ingredients) and excipients. Kyowa products can be used in a wide variety of applications including:

  • APIs
  • Excipients
  • Cell culture media components
  • Critical raw materials
  • Diagnostic reagents
  • Drug intermediates
  • Medical foods
L-Amino Acids


Product CAS No.
L-Alanine 56-41-7
L-Arginine 74-79-3
L-Arginine HCl 1119-34-2
L-Asparagine
5794-13-8
L-Aspartic Acid
56-84-8
L-Citrulline
372-75-8
L-Glutamic Acid
56-86-0
L-Glutamine
56-85-9
Glycine
56-40-6
L-Histidine
71-00-1
L-Histidine HCl
5934-29-2
L-Isoleucine
73-32-5
L-Leucine
61-90-5
L-Lysine Acetate
57282-49-2
L-Lysine HCl
657-27-2
L-Methionine
63-68-3
L-Ornithine HCl
3184-13-2
L-Ornithine L-Aspartate
3230-94-2
L-Phenylalanine
63-91-2
L-Proline
147-85-3
L-Serine
56-45-1
Taurine

L-Threonine
72-19-5
L-Tryptophan
73-22-3
L-Valine
72-18-4
Amino Acid Derivatives
Product CAS No.
N-Acetyl-L-Hydroxyproline (AHYP™)

L-Hydroxyproline

Nucleic Acids Related Compounds
Product CAS No.
ATP Disodium Salt

Citicoline (Cognizin®)
987-78-0
Citicoline Monosodium Salt
33818-15-4
FAD Disodium
84366-81-4
Peptides
Product CAS No.
L-Alanyl-L-Glutamine (Sustamine®)
39537-23-0
L-Alanyl-L-Tyrosine
3061-88-9
L-Glutathione Reduced (Setria®)
70-18-8
L-Glutathione Oxidized
27025-41-8
Organic Acids and Others
Product CAS No.
L-Malic Acid
97-67-6
Sialic Acid
50795-27-2
Cosmetic Ingredients
Product CAS No.
L-Alanyl-L-Glutamine (Sustamine®)

L-Hydroxyproline

L-Glutathione Oxidized

N-Acetyl-L-Hydroxyproline (AHYP™)