Cystine

Scheme

Rec.INN

CAS registry number (Chemical Abstracts Service)

0000056-89-3

Chemical Formula

C6-H12-N2-O4-S2

Molecular Weight

240

Therapeutic Category

Amino acid

Chemical Name

L-3,3'-Dithiobis(2-aminopropionic acid)

Foreign Names

• Cystinum (Latin)
• Cystin (German)
• Cystine (French)
• Cystina (Spanish)

Generic Names

• Cystine (OS: USAN)
• L-Cystine (OS: DCF)
• E921 (IS)
• Levocystin (IS)
• Zystin (IS)
• Cystin (PH: Ph. Eur. 6)
• Cystine (PH: Ph. Eur. 6, BP 2007)
• Cystinum (PH: Ph. Eur. 6)
• L-Cystine (PH: BP 2010, USP 30)

Brand Names

• Cistidil
  IDI, Italy



• Cistina Quimica Medica
  La Quimica, Spain



• Crecil
  Viñas, Spain



• Cystichol (Cystine and Choline)
  Bailleul, France



• Cystine AA Supplement
  Vitaflo, Ireland



• Cystine B6 Bailleul (Cystine and Pyridoxine)
  Pierre Fabre Dermatologie, France



• Gélucystine
  Jolly-Jatel, France

International Drug Name Search

Glossary

DCF	Dénomination Commune Française
IS	Inofficial Synonym
OS	Official Synonym
PH	Pharmacopoeia Name
Rec.INN	Recommended International Nonproprietary Name (World Health Organization)
USAN	United States Adopted Name

Click for further information on drug naming conventions and International Nonproprietary Names.