3,4,5-Trihydroxyphenylalanine

Name: 3,4,5-Trihydroxyphenylalanine
Brand: Vaqora Chemicals
SKU: VQ-033155

About 3,4,5-Trihydroxyphenylalanine

Vaqora Chemicals supplies 3,4,5-Trihydroxyphenylalanine, an impurity of Phenylalanine registered under CAS number 16032-83-0. Formula C9H11NO5, molecular weight 213.19 g/mol. Systematically, it is named (2S)-2-amino-3-(3,4,5-trihydroxyphenyl)propanoic acid. Common synonyms include 3,5-Dihydroxytyrosine and 5-OH-Dopa.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Phenylalanine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 3,4,5-Trihydroxyphenylalanine in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Phenylalanine

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

Phenylalanine impurities

Specifications & identifiers

Chemical identifiers
Product name	3,4,5-Trihydroxyphenylalanine
Catalogue No.	VQ-033155
CAS Number	16032-83-0
IUPAC name	(2S)-2-amino-3-(3,4,5-trihydroxyphenyl)propanoic acid
Molecular formula	C₉H₁₁NO₅
Molecular weight	213.19 g/mol
Exact mass	213.0637
Grade	Reference Standard
HSN code	38229090
InChIKey	KQZQZOQFUQXPLW-YFKPBYRVSA-N
SMILES	C1=C(C=C(C(=C1O)O)O)C[C@@H](C(=O)O)N
PubChem CID	161161

Physical properties
Physical form	Solid
LogP (XLogP3)	-3.1
H-bond donors / acceptors	5 / 6
TPSA	124 Å²
Synonyms	3,5-Dihydroxytyrosine, 5-OH-Dopa, 5-Hydroxydopa, 3,4,5-TOPA, 3,5-dihydroxy-l-tyrosine, L-Tyrosine, 3,5-dihydroxy-, 3,4,5-trihydroxy-l-phenylalanine, 2-Amino-3-(3,4,5-trihydroxyphenyl)propanoic acid, (2S)-, Tyrosine, 3,5-dihydroxy-

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 3,4,5-Trihydroxyphenylalanine?

The CAS Registry Number of 3,4,5-Trihydroxyphenylalanine is 16032-83-0. It is also known as 3,5-Dihydroxytyrosine, 5-OH-Dopa, 5-Hydroxydopa.

What is the molecular formula and molecular weight of 3,4,5-Trihydroxyphenylalanine?

3,4,5-Trihydroxyphenylalanine has the molecular formula C9H11NO5 and a molecular weight of 213.19 g/mol. Its IUPAC name is (2S)-2-amino-3-(3,4,5-trihydroxyphenyl)propanoic acid.

What is 3,4,5-Trihydroxyphenylalanine used for?

3,4,5-Trihydroxyphenylalanine is supplied as a characterised reference material related to Phenylalanine. 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 3,4,5-Trihydroxyphenylalanine can I order?

We supply 3,4,5-Trihydroxyphenylalanine 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 3,4,5-Trihydroxyphenylalanine?

Yes. Every lot of 3,4,5-Trihydroxyphenylalanine 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 3,4,5-Trihydroxyphenylalanine be shipped internationally?

Yes. We export 3,4,5-Trihydroxyphenylalanine worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.