2-Methoxybenzoic acid
2-Methoxybenzoic acid (CAS 579-75-9), with the molecular formula CH3OC6H4CO2H and a molar mass of 152.15 g/mol, is a valuable organic compound. It serves as a key building block in chemical synthesis and is utilised as a laboratory reagent. Notably, it has been employed as an internal standard in analytical chemistry for quantifying related compounds and in the synthesis of specific chemical structures like pthalides. This compound is supplied by Tech Serve Solutions for research and development purposes.
- IUPAC
- O-Methylsalicylic acid,o-Anisic acid
- Synonyms
- o-Anisic acid2-Anisic acido-Methoxybenzoic acidBenzoic acid, 2-methoxy-

Analytical Standard
2-Methoxybenzoic acid has been utilised as an internal standard in High-Performance Liquid Chromatography (HPLC) for the precise quantification of free and conjugated salicylic acid in plant cell studies.
Organic Synthesis Intermediate
This compound serves as a precursor in the synthesis of various organic molecules, including a role in the preparation of specific pthalide derivatives.
Research and Development
As a versatile building block and reagent, 2-Methoxybenzoic acid is suitable for a wide range of applications in organic chemistry research and the development of new chemical entities.
| Molecular weight | 152.15 |
|---|---|
| Linear formula | CH3OC6H4CO2H |
| Assay | 99% |
| Grade | ReagentPlus® |
| Application | 2-Methoxybenzoic acid was used as internal standard during quantification of free and conjugated salicylic acid in tomato (Lycopersicon esculentum) cells by HPLC1. It was also employed in the synthesis of pthalides2. |
| Melting point | 98-100 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What are the primary uses of 2-Methoxybenzoic acid?
+
2-Methoxybenzoic acid is used as an internal standard in analytical procedures such as HPLC and as an intermediate in organic synthesis, including the preparation of pthalides.
What is the CAS number and molecular formula for 2-Methoxybenzoic acid?
+
The CAS number for 2-Methoxybenzoic acid is 579-75-9, and its molecular formula is CH3OC6H4CO2H.
What grade and purity does Tech Serve Solutions supply for 2-Methoxybenzoic acid?
+
Tech Serve Solutions supplies 2-Methoxybenzoic acid at a minimum purity of 99% with a ReagentPlus® grade. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.
How should 2-Methoxybenzoic acid be handled safely?
+
Safe handling requires the use of eyeshields and gloves. A respirator filter such as type N95 (US) or type P1 (EN143) is recommended. The compound is classified with WGK 3 in Germany, indicating a high hazard level.
How is 2-Methoxybenzoic acid typically packed and exported?
+
2-Methoxybenzoic acid is carefully packed to maintain its integrity during transit and is available for global export by Tech Serve Solutions.
How can I request a quote or sample of 2-Methoxybenzoic acid?
+
To request a quote or a sample of 2-Methoxybenzoic acid, please contact our sales department through the Tech Serve Solutions website or by phone.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis