2,3',4,5'-Tetramethoxystilbene

Also known as: (E)-2,3',4,5'-tetramethoxystilbene, 1-[(E)-2-(3,5-dimethoxyphenyl)ethenyl]-2,4-dimethoxybenzene, TMS, 2,4,3',5'-tetramethoxystilbene, CS-961, SMB 00388, 1-[2,(3,5-dimethoxyphenyl)ethenyl]-2,4-dimethoxybenzene

2,3',4,5'-Tetramethoxystilbene (CAS 24144-92-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H20O4 and a molecular weight of 300.349 g/mol. Key properties include a boiling point of 459.9±40.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 152.3±34.2 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 24144-92-1
Jingsj CID: J-1957149-6
Molecular Formula: C₁₈H₂₀O₄
Molecular Weight: 300.349 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	459.9±40.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	152.3±34.2 °C
Exact Mass	300.136169
PSA	36.92000
LogP	4.49
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.588
Storage Conditions	2-8℃

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed

Activity & Biological Data

Target	CYP1B1
Additional Information	[1]. Einem Lindeman T, et al. The resveratrol analogue, 2,3',4,5'-tetramethoxystilbene, does not inhibit CYP gene expression, enzyme activity and benzo[a]pyrene-DNA adduct formation in MCF-7 cells exposed to benzo[a]pyrene. Mutagenesis. 2011 Sep;26(5):629-35. [2]. Jennings BL, et al. Cytochrome P450 1B1 contributes to increased blood pressure and cardiovascular and renal dysfunction in spontaneously hypertensive rats. Cardiovasc Drugs Ther. 2014 Apr;28(2):145-61.

Target

CYP1B1

Additional Information

[1]. Einem Lindeman T, et al. The resveratrol analogue, 2,3',4,5'-tetramethoxystilbene, does not inhibit CYP gene expression, enzyme activity and benzo[a]pyrene-DNA adduct formation in MCF-7 cells exposed to benzo[a]pyrene. Mutagenesis. 2011 Sep;26(5):629-35. [2]. Jennings BL, et al. Cytochrome P450 1B1 contributes to increased blood pressure and cardiovascular and renal dysfunction in spontaneously hypertensive rats. Cardiovasc Drugs Ther. 2014 Apr;28(2):145-61.

Frequently Asked Questions

What is the CAS number of 2,3',4,5'-Tetramethoxystilbene?

The CAS number of 2,3',4,5'-Tetramethoxystilbene is 24144-92-1.

What are the molecular formula and molecular weight of 2,3',4,5'-Tetramethoxystilbene?

2,3',4,5'-Tetramethoxystilbene has molecular formula C18H20O4 and molecular weight 300.349 g/mol.

Is 2,3',4,5'-Tetramethoxystilbene hazardous?

2,3',4,5'-Tetramethoxystilbene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2,3',4,5'-Tetramethoxystilbene (CAS 24144-92-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1957149-6 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.