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API Impurities

3,4,5-Trihydroxyphenylalanine

Reference StandardAvailable on request

Order 3,4,5-Trihydroxyphenylalanine (CAS 16032-83-0) online at Zemixal: C9H11NO5, COA and SDS with every lot, worldwide shipping.

Pack sizes
3,4,5-Trihydroxyphenylalanine chemical structure
CAS number16032-83-0
FormulaC9H11NO5
Molar mass213.19 g/mol
Physical formSolid
HS code38229090
InChIKeyKQZQZOQFUQXPLW-YFKPBYRVSA-N
IUPAC name(2S)-2-amino-3-(3,4,5-trihydroxyphenyl)propanoic acid

About 3,4,5-Trihydroxyphenylalanine

Zemixal lists 3,4,5-Trihydroxyphenylalanine for laboratories that identify, quantify or control Phenylalanine and its related substances. Identity at a glance (Reference Standard): CAS 16032-83-0, formula C9H11NO5 and molar mass 213.19 g/mol. It is handled as a solid.

Where it is used

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

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Phenylalanine

See every impurity, metabolite and related compound we list for this API.

Phenylalanine standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of 3,4,5-Trihydroxyphenylalanine
Product name3,4,5-Trihydroxyphenylalanine
Catalogue numberZX-031827
CAS number16032-83-0
IUPAC name(2S)-2-amino-3-(3,4,5-trihydroxyphenyl)propanoic acid
Molecular formulaC9H11NO5
Molar mass213.19 g/mol
Exact mass213.0637
GradeReference Standard
Physical formSolid
XLogP3-3.1
H-bond donors / acceptors5 / 6
Topological polar surface area124 Ų
HS code38229090
InChIKeyKQZQZOQFUQXPLW-YFKPBYRVSA-N
SMILESC1=C(C=C(C(=C1O)O)O)C[C@@H](C(=O)O)N
PubChem CID161161
Synonyms3,5-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-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of 3,4,5-Trihydroxyphenylalanine
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 3,4,5-Trihydroxyphenylalanine

Which CAS number identifies 3,4,5-Trihydroxyphenylalanine?
3,4,5-Trihydroxyphenylalanine is registered under CAS 16032-83-0. You may also see it listed as 3,5-Dihydroxytyrosine, 5-OH-Dopa, 5-Hydroxydopa. Our catalogue number for this item is ZX-031827.
What are the formula and molar mass of 3,4,5-Trihydroxyphenylalanine?
For 3,4,5-Trihydroxyphenylalanine, its formula is C9H11NO5 and its molar mass is 213.19 g/mol. The systematic (IUPAC) name is (2S)-2-amino-3-(3,4,5-trihydroxyphenyl)propanoic acid. InChIKey KQZQZOQFUQXPLW-YFKPBYRVSA-N lets you match it in any structure database.
How is 3,4,5-Trihydroxyphenylalanine used in pharmaceutical QC?
3,4,5-Trihydroxyphenylalanine is a characterised reference material linked to Phenylalanine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for 3,4,5-Trihydroxyphenylalanine?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 3,4,5-Trihydroxyphenylalanine?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 3,4,5-Trihydroxyphenylalanine to my country?
Yes. 3,4,5-Trihydroxyphenylalanine ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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