3-Ethoxy-4-methoxybenzoic acid

Name: 3-Ethoxy-4-methoxybenzoic acid
Brand: Vaqora Chemicals
SKU: VQ-040078

About 3-Ethoxy-4-methoxybenzoic acid

Listed under CAS 2651-55-0, 3-Ethoxy-4-methoxybenzoic acid is an impurity of Apremilast available from Vaqora Chemicals. Formula C10H12O4, molecular weight 196.2 g/mol. It is also known as Benzoic acid, 3-ethoxy-4-methoxy- or 3-ethoxy-4-methoxybenzoate.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Apremilast impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Apremilast

View every impurity, metabolite and intermediate we list for Apremilast.

Apremilast impurities

Specifications & identifiers

Chemical identifiers
Product name	3-Ethoxy-4-methoxybenzoic acid
Catalogue No.	VQ-040078
CAS Number	2651-55-0
IUPAC name	3-ethoxy-4-methoxybenzoic acid
Molecular formula	C₁₀H₁₂O₄
Molecular weight	196.2 g/mol
Exact mass	196.0736
Grade	Reference Standard
HSN code	38229090
InChIKey	DMSAIFTWQMXOBE-UHFFFAOYSA-N
SMILES	CCOC1=C(C=CC(=C1)C(=O)O)OC
PubChem CID	2822957

Physical properties
Physical form	Solid
LogP (XLogP3)	2
H-bond donors / acceptors	1 / 4
TPSA	55.8 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 3-Ethoxy-4-methoxybenzoic acid?

The CAS Registry Number of 3-Ethoxy-4-methoxybenzoic acid is 2651-55-0. It is also known as Benzoic acid, 3-ethoxy-4-methoxy-, 3-ethoxy-4-methoxybenzoate.

What is the molecular formula and molecular weight of 3-Ethoxy-4-methoxybenzoic acid?

3-Ethoxy-4-methoxybenzoic acid has the molecular formula C10H12O4 and a molecular weight of 196.2 g/mol. Its IUPAC name is 3-ethoxy-4-methoxybenzoic acid.

What is 3-Ethoxy-4-methoxybenzoic acid used for?

3-Ethoxy-4-methoxybenzoic acid is supplied as a characterised reference material related to Apremilast. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 3-Ethoxy-4-methoxybenzoic acid can I order?

We supply 3-Ethoxy-4-methoxybenzoic acid in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3-Ethoxy-4-methoxybenzoic acid?

Yes. Every lot of 3-Ethoxy-4-methoxybenzoic acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 3-Ethoxy-4-methoxybenzoic acid be shipped internationally?

Yes. 3-Ethoxy-4-methoxybenzoic acid is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.