3,4-Dihydroxyphenylacetic Acid

Name: 3,4-Dihydroxyphenylacetic Acid
Brand: Vaqora Chemicals
SKU: VQ-030284

About 3,4-Dihydroxyphenylacetic Acid

3,4-Dihydroxyphenylacetic Acid is a process intermediate or related compound of Dopamine carrying the CAS registry number 102-32-9. The compound has the formula C8H8O4, corresponding to a molecular weight of 168.15 g/mol. The IUPAC name is 2-(3,4-dihydroxyphenyl)acetic acid. Common synonyms include Homoprotocatechuic acid and Dopacetic acid.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Process chemists and analysts use it when developing synthetic routes to Dopamine, tracking process-related impurities and validating analytical methods. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 3,4-Dihydroxyphenylacetic Acid in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development
Fine chemical synthesis

Industries

Related to Dopamine

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

Dopamine impurities

Specifications & identifiers

Chemical identifiers
Product name	3,4-Dihydroxyphenylacetic Acid
Catalogue No.	VQ-030284
CAS Number	102-32-9
IUPAC name	2-(3,4-dihydroxyphenyl)acetic acid
Molecular formula	C₈H₈O₄
Molecular weight	168.15 g/mol
Exact mass	168.0423
InChIKey	CFFZDZCDUFSOFZ-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1CC(=O)O)O)O
PubChem CID	547

Physical properties
Physical form	Solid
LogP (XLogP3)	0.5
H-bond donors / acceptors	3 / 4
TPSA	77.8 Å²
Synonyms	Homoprotocatechuic acid, Dopacetic acid, Benzeneacetic acid, 3,4-dihydroxy-, Acetic acid, (3,4-dihydroxyphenyl)-, 3,4-Dihydroxybenzeneacetic acid, Dihydroxyphenylacetic acid, Catechol-4-acetic Acid, 3,4-DHPOP

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 3,4-Dihydroxyphenylacetic Acid?

The CAS Registry Number of 3,4-Dihydroxyphenylacetic Acid is 102-32-9. It is also known as Homoprotocatechuic acid, Dopacetic acid, Benzeneacetic acid, 3,4-dihydroxy-.

What is the molecular formula and molecular weight of 3,4-Dihydroxyphenylacetic Acid?

3,4-Dihydroxyphenylacetic Acid has the molecular formula C8H8O4 and a molecular weight of 168.15 g/mol. Its IUPAC name is 2-(3,4-dihydroxyphenyl)acetic acid.

What is 3,4-Dihydroxyphenylacetic Acid used for?

3,4-Dihydroxyphenylacetic Acid is supplied as a characterised reference material related to Dopamine. 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 3,4-Dihydroxyphenylacetic Acid can I order?

We supply 3,4-Dihydroxyphenylacetic Acid, 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 3,4-Dihydroxyphenylacetic Acid?

Yes. Every lot of 3,4-Dihydroxyphenylacetic 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 3,4-Dihydroxyphenylacetic Acid be shipped internationally?

Yes. 3,4-Dihydroxyphenylacetic 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.