Nordihydroguaiaretic acid

去甲二氢愈创木酸

Also known as: NDGA, Masoprocol, 4,4'-(2,3-Dimethyltetramethylene)dipyrocatechol, 1,4-Bis(3,4-dihydroxyphenyl)-2,3-dimethylbutane, 4,4'-(2,3-Dimethyl-1,4-butanediyl)bis(1,2-benzenediol), Actinex, Dihydronorguaiaretic acid, Dinorguaiaretic acid, dihydro-, beta,gamma-Dimethyl-alpha,delta-bis(3,4-dihydroxyphenyl)butane, meso-Nordihydroguaiaretic acid, 1,2-Benzenediol, 4,4'-(2,3-dimethyl-1,4-butanediyl)bis-

Nordihydroguaiaretic acid (CAS 500-38-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H22O4 and a molecular weight of 302.365 g/mol. It is also known as NDGA, Masoprocol and 4,4'-(2,3-Dimethyltetramethylene)dipyrocatechol. Key properties include a melting point of 184-189ºC, a boiling point of 526.5±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 247.8±23.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

500-38-9

Jingsj CID

J-1990119-0

Molecular Formula

C₁₈H₂₂O₄

Chinese Name

去甲二氢愈创木酸

Molecular Weight

302.365 g/mol

Category

Organic Acids

Last updated

8/21/2026