4-(7-diethylaminocoumarin-3-yl)benzoyl cyanide

4-(7-二乙基氨基-3-香豆素)苯甲酰氰

Also known as: DACB-CN, 4-[7-(diethylamino)-2-oxochromen-3-yl]benzoyl cyanide, Benzeneacetonitrile, 4-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-α-oxo-

4-(7-diethylaminocoumarin-3-yl)benzoyl cyanide (CAS 203256-20-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C21H18N2O3 and a molecular weight of 346.37900 g/mol. It is also known as DACB-CN, 4-[7-(diethylamino)-2-oxochromen-3-yl]benzoyl cyanide and Benzeneacetonitrile, 4-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-α-oxo-. Key properties include a boiling point of 557.154ºC at 760 mmHg, a density of 1.259g/cm3 and a flash point of 290.756ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

203256-20-6

Jingsj CID

J-1050066-8

Molecular Formula

C₂₁H₁₈N₂O₃

Chinese Name

4-(7-二乙基氨基-3-香豆素)苯甲酰氰

Molecular Weight

346.37900 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026