β-Lapachone

β-拉帕醌

Also known as: 3,4-dihydro-2,2-dimethyl-2H-naphtho[1,2-b]pyran-5,6-dione, 2,2-dimethyl-3,4-dihydro-2H-benzo[h]chromene-5,6-dione, ARQ-501, NSC-26326, SL-11001, CO-501, beta-Lapachone, b-Lapachone

β-Lapachone (CAS 4707-32-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H14O3 and a molecular weight of 242.270 g/mol. It is also known as 3,4-dihydro-2,2-dimethyl-2H-naphtho[1,2-b]pyran-5,6-dione, 2,2-dimethyl-3,4-dihydro-2H-benzo[h]chromene-5,6-dione and ARQ-501. Key properties include a melting point of >110ºC (dec.), a boiling point of 381.4±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 169.7±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4707-32-8

Jingsj CID

J-1980387-6

Molecular Formula

C₁₅H₁₄O₃

Chinese Name

β-拉帕醌

Molecular Weight

242.270 g/mol

Category

Ketones

Last updated

8/21/2026