3-Chloro-4-methoxyphenylacetic acid
Also known as: (3-chloro-4-methoxyphenyl)acetic acid, 2-(3-chloro-4-methoxyphenyl)acetic acid, 2-(3-chloro-4-methoxy-phenyl)ethanoic acid, 3-chloro-4-methoxyphenylacetic acid, 2-(3-chloro-4-methoxyphenyl)aceticaci, 3-Chlor-4-methoxyphenylessigsaeure, Benzeneacetic acid, 3-chloro-4-methoxy-, Chlor-3-methoxy-4-phenylessigsaeure, [3-Chloro-4-(methyloxy)phenyl]acetic acid, Albb-006058
3-Chloro-4-methoxyphenylacetic acid (CAS 13721-20-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9ClO3 and a molecular weight of 200.61900 g/mol. Key properties include a boiling point of 334.9ºC at 760 mmHg, a density of 1.312g/cm3 and a flash point of 156.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13721-20-5
- Jingsj CID
- J-1418509-2
- Molecular Formula
- C9H9ClO3
- Molecular Weight
- 200.61900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 334.9ºC at 760 mmHg |
|---|---|
| Density | 1.312g/cm3 |
| Flash Point | 156.3ºC |
| Exact Mass | 200.02400 |
| PSA | 46.53000 |
| LogP | 1.97570 |
| Vapor Pressure | 4.9E-05mmHg at 25°C |
| Refractive Index | 1.553 |
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. 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-Chloro-4-methoxyphenylacetic acid?
The CAS number of 3-Chloro-4-methoxyphenylacetic acid is 13721-20-5.
What are the molecular formula and molecular weight of 3-Chloro-4-methoxyphenylacetic acid?
3-Chloro-4-methoxyphenylacetic acid has molecular formula C9H9ClO3 and molecular weight 200.61900 g/mol.
What are the upstream and downstream products of 3-Chloro-4-methoxyphenylacetic acid?
For 3-Chloro-4-methoxyphenylacetic acid, Upstream Products: 3'-Chloro-4'-methoxyacetophenone, 2-(3-Chloro-4-methoxyphenyl)acetonitrile, 2-Chloroanisole; Downstream Products: 3-Chloro-4-hydroxyphenylacetic acid, (2,4-Dimethoxyphenyl)acetic 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-Chloro-4-methoxyphenylacetic acid (CAS 13721-20-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1418509-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.