C9H11NO3
183.2 g/mol
Research ReagentWarning
L-4-Hydroxyphenyl-3,5-d2-alanine
CAS30811-19-9
Category
Research Reagent
Compound Class
Organic Acid
Primary Use
Research Compound
L-4-Hydroxyphenyl-3,5-d2-alanine is a deuterium-labeled derivative of the amino acid L-tyrosine, specifically deuterated at the 3 and 5 positions of the phenyl ring. It is used as a reference compound in analytical research, particularly for mass spectrometry and metabolic studies where isotopic labeling aids quantification.
Internal standard for quantitative mass spectrometryReference compound in stable isotope dilution assays
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
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ReferenceSame Category
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DSG-PEG 2000
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research compound
Referencestereoisomer of
D-Tyrosine
CAS556-02-5
research compound
Referencestereoisomer of
DL-tyrosine
CAS556-03-6
amino acid dietary supplement
Referencestereoisomer of
L-tyrosine
CAS60-18-4
nutritional supplement and flavoring agent
Referencestereoisomer of
L-4-Hydroxyphenyl-2,3,5,6-d4-alanine
CAS62595-14-6
research compound
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for L-4-Hydroxyphenyl-3,5-d2-alanine (CAS 30811-19-9) is 2845.90.
HS code (international, 6-digit)
2845.90
EU CN code (8-digit)
2845 90 10
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(2S)-2-amino-3-(3,5-dideuterio-4-hydroxyphenyl)propanoic acid
InChIKey
OUYCCCASQSFEME-ZQCIBQAJSA-N
SMILES
[2H]C1=CC(=CC(=C1O)[2H])C[C@@H](C(=O)O)N
Synonyms (8)
- L-Tyrosine-(phenyl-3,5-d2)
- L-Tyrosine-d2-1
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