Cucurbitacin B

葫芦素B

Also known as: (2S,4R,9β,16α,23E)-2,16,20-Trihydroxy-9,10,14-trimethyl-1,11,22-trioxo-4,9-cyclo-9,10-secocholesta-5,23-dien-25-yl acetate, 1,2-Dihydro-α-elaterin, 19-Nor-9β,10α-lanosta-5,23-diene-3,11,22-trione, 2β,16α,20,25-tetrahydroxy-9-methyl-, 25-acetate, Amarine, Cucurbitacine B, NSC 144154, NSC 49451

Cucurbitacin B (CAS 6199-67-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C32H46O8 and a molecular weight of 558.703 g/mol. It is also known as (2S,4R,9β,16α,23E)-2,16,20-Trihydroxy-9,10,14-trimethyl-1,11,22-trioxo-4,9-cyclo-9,10-secocholesta-5,23-dien-25-yl acetate, 1,2-Dihydro-α-elaterin and 19-Nor-9β,10α-lanosta-5,23-diene-3,11,22-trione, 2β,16α,20,25-tetrahydroxy-9-methyl-, 25-acetate. Key properties include a melting point of 184-186ºC, a boiling point of 699.3±55.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 218.8±25.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6199-67-3

Jingsj CID

J-1955646-6

Molecular Formula

C₃₂H₄₆O₈

Chinese Name

葫芦素B

Molecular Weight

558.703 g/mol

Category

Organic Compounds

Last updated

8/21/2026