Ochratoxin A

赭曲霉素A

Also known as: OTA, N-[[(3R)-5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-yl]carbonyl]-L-phenylalanine, N-[(3R)-(5-chloro-8-hydroxy-3-methyl-1-oxo-7-benzodihydropyranyl)carbonyl]-L-phenylalanine, 3R,14S-Ochratoxin A, (-)-N-[(5-Chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl]phenylalanine, Phe-OTA

Ochratoxin A (CAS 303-47-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H18ClNO6 and a molecular weight of 403.813 g/mol. It is also known as OTA, N-[[(3R)-5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-yl]carbonyl]-L-phenylalanine and N-[(3R)-(5-chloro-8-hydroxy-3-methyl-1-oxo-7-benzodihydropyranyl)carbonyl]-L-phenylalanine. Key properties include a melting point of 169ºC, a boiling point of 632.4±55.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 336.3±31.5 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

303-47-9

Jingsj CID

J-28123-6

Molecular Formula

C₂₀H₁₈ClNO₆

Chinese Name

赭曲霉素A

Molecular Weight

403.813 g/mol

Category

Organic Compounds

Last updated

8/21/2026