DL-Cystine

DL-胱氨酸

Also known as: Cystine, DL-, (H-DL-Cys-OH)2, 3,3'-Dithiobis(2-aminopropanoic acid), 2-Amino-3-[(2-amino-2-carboxyethyl)dithio]propanoic acid, DL-3,3′-Dithiobis(2-aminopropanoic acid), Bis(β-amino-β-carboxyethyl) disulfide, Gelucystine, Cystine (DL and meso-mixture)

DL-Cystine (CAS 923-32-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H12N2O4S2 and a molecular weight of 240.301 g/mol. It is also known as Cystine, DL-, (H-DL-Cys-OH)2 and 3,3'-Dithiobis(2-aminopropanoic acid). Key properties include a melting point of 227 °C (dec.)(lit.), a boiling point of 468.2±45.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 237.0±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

923-32-0

Jingsj CID

J-32874-4

Molecular Formula

C₆H₁₂N₂O₄S₂

Chinese Name

DL-胱氨酸

Molecular Weight

240.301 g/mol

Category

Organic Acids

Last updated

8/21/2026