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(3,4-Dimethoxyphenyl)acetic acid

Also known as: Homoveratric acid, 2-(3,4-dimethoxyphenyl)acetic acid, Benzeneacetic acid, 3,4-dimethoxy-, NSC 2753, NSC 27897, MFCD00004335

(3,4-Dimethoxyphenyl)acetic acid (CAS 93-40-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H12O4 and a molecular weight of 196.200 g/mol. Key properties include a melting point of 96-98 °C(lit.), a boiling point of 331.4±27.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 130.2±17.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
93-40-3
Jingsj CID
J-9186-1
Molecular Formula
C10H12O4
Molecular Weight
196.200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point96-98 °C(lit.)
Boiling Point331.4±27.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point130.2±17.2 °C
Exact Mass196.073563
PSA55.76000
LogP1.24
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.527
Additional PropertySOLUBLE

Activity & Biological Data

TargetHuman Endogenous Metabolite
Additional Information[1]. Frederick A, et al. Occurrence of 3,4-Dimethoxyphenylacetic Acid in Urines of Normal and Schizophrenic Individuals. Nature volume211, pages606–608 (06 August 1966)

Customs & Trade Information

HS Code2918990090
Summary2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (3,4-Dimethoxyphenyl)acetic acid?

The CAS number of (3,4-Dimethoxyphenyl)acetic acid is 93-40-3.

What are the molecular formula and molecular weight of (3,4-Dimethoxyphenyl)acetic acid?

(3,4-Dimethoxyphenyl)acetic acid has molecular formula C10H12O4 and molecular weight 196.200 g/mol.

What are the upstream and downstream products of (3,4-Dimethoxyphenyl)acetic acid?

For (3,4-Dimethoxyphenyl)acetic acid, Upstream Products: 3,4-Dimethoxyphenethyl alcohol, (3,4-Dimethoxyphenyl)acetonitrile, Methyl 2-(3,4-dimethoxyphenyl)acetate; Downstream Products: 3,4-Dimethoxytoluene, (S)-(-)-Tetrahydropapaverine, 2-Bromo-4,5-dimethoxyphenylacetic acid.

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

Last updated:

How to cite: Jingsj. "(3,4-Dimethoxyphenyl)acetic acid (CAS 93-40-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9186-1 (accessed 2026-11-09).

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