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Amino Acids & DerivativesBiochemistryAvailable on request

DL-Tyrosine, 99%+

Synonyms: (±)-2-Amino-3-(4-hydroxyphenyl)propionic acid · 3-(4-Hydroxyphenyl)-DL-alanine · Tyrosine, DL- · 2-azaniumyl-3-(4-hydroxyphenyl)propanoate

CAS No.556-03-6
FormulaC9H11NO3
Mol. weight181.19
Catalogue No.VQ-002103
Purity≥99%
HSN29225015

DL-Tyrosine (CAS 556-03-6) – amino acid derivative, Biochemistry grade, ≥99%. C9H11NO3, MW 181.19. Request a quote: COA, bulk packs and worldwide export.

Pack sizesPrice on quotation · bulk available
1 g
5 g
25 g
100 g
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About DL-Tyrosine, 99%+

DL-Tyrosine is an amino acid derivative (Biochemistry grade) carrying the CAS registry number 556-03-6 with a typical assay of ≥99%. With the molecular formula C9H11NO3, it has a molar mass of 181.19 g/mol. Systematically, it is named 2-amino-3-(4-hydroxyphenyl)propanoic acid. Alternative names: (±)-2-Amino-3-(4-hydroxyphenyl)propionic acid and 3-(4-Hydroxyphenyl)-DL-alanine.

It is supplied as a white powder to crystalline powder. Key physical data: a melting point of ≥300 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span peptide synthesis, cell culture media and biochemical research. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

We offer DL-Tyrosine in 1 g, 5 g, 25 g and 100 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

  • Peptide synthesis
  • Cell culture media
  • Biochemical research

Industries

Specifications & identifiers

Chemical identifiers
Product nameDL-Tyrosine, 99%+
Catalogue No.VQ-002103
CAS Number556-03-6
IUPAC name2-amino-3-(4-hydroxyphenyl)propanoic acid
Molecular formulaC9H11NO3
Molecular weight181.19 g/mol
Exact mass181.0739
GradeBiochemistry
Purity / assay≥99%
HSN code29225015
InChIKeyOUYCCCASQSFEME-UHFFFAOYSA-N
SMILESC1=CC(=CC=C1CC(C(=O)O)N)O
PubChem CID1153
Physical properties
Physical formPowder
AppearanceWhite powder to crystalline powder
Melting point≥300 °C
LogP (XLogP3)-2.3
H-bond donors / acceptors3 / 4
TPSA83.6 Ų
Synonyms(±)-2-Amino-3-(4-hydroxyphenyl)propionic acid, 3-(4-Hydroxyphenyl)-DL-alanine, Tyrosine, DL-, 2-azaniumyl-3-(4-hydroxyphenyl)propanoate, H-DL-Tyr-OH, (.+-.)-Tyrosine, L-Tryosine, tyrosin, Benzenepropanoic acid, (S)-, 2-Amino-3-(4-hydroxyphenyl)-propanoicaci, (+-)-Tyrosine, beta-p-Hydroxyphenylalanine

Safety & hazard information (GHS)

GHS07 Harmful / irritant
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

Frequently asked questions

What is the CAS number of DL-Tyrosine, 99%+?

The CAS Registry Number of DL-Tyrosine, 99%+ is 556-03-6. It is also known as (±)-2-Amino-3-(4-hydroxyphenyl)propionic acid, 3-(4-Hydroxyphenyl)-DL-alanine, Tyrosine, DL-.

What is the molecular formula and molecular weight of DL-Tyrosine, 99%+?

DL-Tyrosine, 99%+ has the molecular formula C9H11NO3 and a molecular weight of 181.19 g/mol. Its IUPAC name is 2-amino-3-(4-hydroxyphenyl)propanoic acid.

Which grade and pack sizes of DL-Tyrosine, 99%+ can I order?

We supply DL-Tyrosine, 99%+ in Biochemistry (≥99%) grade, in 1 g, 5 g, 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with DL-Tyrosine, 99%+?

Yes. Every lot of DL-Tyrosine, 99%+ 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 DL-Tyrosine, 99%+ be shipped internationally?

Yes. DL-Tyrosine, 99%+ 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.

Enquire about DL-Tyrosine, 99%+

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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