7,8,9,9-Tetradehydroisolariciresinol

6-羟基-4-(4-羟基-3-甲氧基苯基)-3-羟基甲基-7-甲氧基-3,4-二氢-2-萘甲醛

Also known as: (3R,4S)-6-Hydroxy-4-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-7-methoxy-3,4-dihydro-2-naphthalenecarbaldehyde, 2-Naphthalenecarboxaldehyde, 3,4-dihydro-6-hydroxy-4-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-7-methoxy-, (3R,4S)-, 6-Hydroxy-4-(4-hydroxy-3-methoxyphenyl)-3-hydroxymethyl-7-methoxy-3,4-dihydro-2-naphthaldehyde, 7,8,9,9-TETRADEHYDROISOLARICIRES, 9-Tetradehydroisolariciresinol, Vitexin B-1

7,8,9,9-Tetradehydroisolariciresinol (CAS 357645-16-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H20O6 and a molecular weight of 356.369 g/mol. It is also known as (3R,4S)-6-Hydroxy-4-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-7-methoxy-3,4-dihydro-2-naphthalenecarbaldehyde, 2-Naphthalenecarboxaldehyde, 3,4-dihydro-6-hydroxy-4-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-7-methoxy-, (3R,4S)- and 6-Hydroxy-4-(4-hydroxy-3-methoxyphenyl)-3-hydroxymethyl-7-methoxy-3,4-dihydro-2-naphthaldehyde. Key properties include a boiling point of 587.4±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 211.0±23.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
357645-16-0
Jingsj CID
J-2030-5
Molecular Formula
C20H20O6
Chinese Name
6-羟基-4-(4-羟基-3-甲氧基苯基)-3-羟基甲基-7-甲氧基-3,4-二氢-2-萘甲醛
Molecular Weight
356.369 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point587.4±50.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point211.0±23.6 °C

Frequently Asked Questions

What is the CAS number of 7,8,9,9-Tetradehydroisolariciresinol?

The CAS number of 7,8,9,9-Tetradehydroisolariciresinol is 357645-16-0.

What are the molecular formula and molecular weight of 7,8,9,9-Tetradehydroisolariciresinol?

7,8,9,9-Tetradehydroisolariciresinol has molecular formula C20H20O6 and molecular weight 356.369 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "7,8,9,9-Tetradehydroisolariciresinol (CAS 357645-16-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2030-5 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.