3,4-Dihydroxy-L-phenylamine

Name: 3,4-Dihydroxy-L-phenylamine
Brand: Vaqora Chemicals
SKU: VQ-012974

About 3,4-Dihydroxy-L-phenylamine

Vaqora Chemicals supplies 3,4-Dihydroxy-L-phenylamine, a process intermediate or related compound of Levodopa registered under CAS number 59-92-7. Its molecular formula is C9H11NO4 and its molecular weight is 197.19 g/mol. Systematically, it is named (2S)-2-amino-3-(3,4-dihydroxyphenyl)propanoic acid. Common synonyms include Levodopa and L-3-Hydroxytyrosine.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Process chemists and analysts use it when developing synthetic routes to Levodopa, tracking process-related impurities and validating analytical methods. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 3,4-Dihydroxy-L-phenylamine in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. Stock is available for quick dispatch.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Levodopa

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

Levodopa impurities

Specifications & identifiers

Chemical identifiers
Product name	3,4-Dihydroxy-L-phenylamine
Catalogue No.	VQ-012974
CAS Number	59-92-7
IUPAC name	(2S)-2-amino-3-(3,4-dihydroxyphenyl)propanoic acid
Molecular formula	C₉H₁₁NO₄
Molecular weight	197.19 g/mol
Exact mass	197.0688
Grade	Reference Standard
HSN code	2933
InChIKey	WTDRDQBEARUVNC-LURJTMIESA-N
SMILES	C1=CC(=C(C=C1C[C@@H](C(=O)O)N)O)O
PubChem CID	6047

Physical properties
Physical form	Solid
LogP (XLogP3)	-2.7
H-bond donors / acceptors	4 / 5
TPSA	104 Å²
Synonyms	3,4-Dihydroxy-L-phenylamine, Levodopa, L-3-Hydroxytyrosine, 3-Hydroxy-L-tyrosine, (-)-3-(3,4-Dihydroxyphenyl)-L-alanine, Bendopa, Deadopa, Dopaflex, Dopal, Dopaidan, Dopalina, Dopar

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H361Suspected of damaging fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P203, P260, P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P391, 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

Other grades of CAS 59-92-7

Biochemistry

L-Dopa, 99%

CAS: 59-92-7
Formula: C₉H₁₁NO₄
MW: 197.19 g/mol

VQ-002886

Frequently asked questions

What is the CAS number of 3,4-Dihydroxy-L-phenylamine?

The CAS Registry Number of 3,4-Dihydroxy-L-phenylamine is 59-92-7. It is also known as 3,4-Dihydroxy-L-phenylamine, Levodopa, L-3-Hydroxytyrosine.

What is the molecular formula and molecular weight of 3,4-Dihydroxy-L-phenylamine?

3,4-Dihydroxy-L-phenylamine has the molecular formula C9H11NO4 and a molecular weight of 197.19 g/mol. Its IUPAC name is (2S)-2-amino-3-(3,4-dihydroxyphenyl)propanoic acid.

What is 3,4-Dihydroxy-L-phenylamine used for?

3,4-Dihydroxy-L-phenylamine is supplied as a characterised reference material related to Levodopa. 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-Dihydroxy-L-phenylamine can I order?

We supply 3,4-Dihydroxy-L-phenylamine in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3,4-Dihydroxy-L-phenylamine?

Yes. Every lot of 3,4-Dihydroxy-L-phenylamine 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-Dihydroxy-L-phenylamine be shipped internationally?

Yes. 3,4-Dihydroxy-L-phenylamine 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.