Violacein

紫色杆菌素

Also known as: 3-[2-(5-Hydroxy-1H-indol-3-yl)-5-oxo-2-pyrrolin-4-ylidene]-1,3-dihydro-2H-indol-2-one, 3-[2-(5-Hydroxy-1H-indol-3-yl)-5-oxo-2-pyrrolin-4-ylidene]-2-indolinone, 3-[5-(5-Hydroxy-1H-indole-3-yl)-2,3-dihydro-2-oxo-1H-pyrrole-3-ylidene]-1H-indole-2(2H)-one, (3Z)-3-[5-(5-hydroxy-1H-indol-3-yl)-2-oxo-1H-pyrrol-3-ylidene]-1H-indol-2-one, 2-Indolinone, 3-(2-(5-hydroxyindol-3-yl)-5-oxo-2-pyrrolin-4-ylidene)-, 3-(2-(5-Hydroxyindol-3-yl)-5-oxo-2-pyrrolin-4-ylidene)-2-indolinone, Brn 0049923, Oxindole, 3-(2-(5-hydroxyindol-3-yl)-5-oxo-2-pyrrolin-4-ylidene)- (6ci)

Violacein (CAS 548-54-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H13N3O3 and a molecular weight of 343.34 g/mol. It is also known as 3-[2-(5-Hydroxy-1H-indol-3-yl)-5-oxo-2-pyrrolin-4-ylidene]-1,3-dihydro-2H-indol-2-one, 3-[2-(5-Hydroxy-1H-indol-3-yl)-5-oxo-2-pyrrolin-4-ylidene]-2-indolinone and 3-[5-(5-Hydroxy-1H-indole-3-yl)-2,3-dihydro-2-oxo-1H-pyrrole-3-ylidene]-1H-indole-2(2H)-one. Key properties include a boiling point of 821.4ºC at 760mmHg, a density of 1.549g/cm3 and a flash point of 450.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

548-54-9

Jingsj CID

J-1987665-2

Molecular Formula

C₂₀H₁₃N₃O₃

Chinese Name

紫色杆菌素

Molecular Weight

343.34 g/mol

Category

Organic Compounds

Last updated

8/21/2026