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Dihydroxyphenylalanine MeSH Descriptor Data 2025


MeSH Heading
Dihydroxyphenylalanine
Tree Number(s)
D02.092.311.200
D02.455.426.559.389.657.166.175.200
D12.125.072.050.685.400
D12.125.072.050.875.130
Unique ID
D004295
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D004295
Annotation
check text to see if LEVODOPA; (L-DOPA); is not meant instead
Scope Note
A beta-hydroxylated derivative of phenylalanine. The D-form of dihydroxyphenylalanine has less physiologic activity than the L-form and is commonly used experimentally to determine whether the pharmacological effects of LEVODOPA are stereospecific.
Entry Term(s)
3,4-Dihydroxyphenylalanine
3-Hydroxy-DL-tyrosine
Dihydroxyphenylalanine Hydrochloride, (2:1)
Dopa
beta-Hydroxytyrosine
Pharm Action
Dopamine Agents
Registry Numbers
63-84-3
37466-26-5
Related Numbers
37466-26-5
CAS Type 1 Name
DL-Tyrosine, 3-hydroxy-
NLM Classification #
WK 725
See Also
Dopa Decarboxylase
Dopamine
Public MeSH Note
2002; see DOPA 1966-2001
History Note
2002(1966); for BETA-HYDROXYTYROSINE use DIHYDOXYPHENYLALANINE (NM) 1989-1991
Date Established
2002/01/01
Date of Entry
1999/01/01
Revision Date
2018/06/30
Dihydroxyphenylalanine Preferred
Dihydroxyphenylalanine Hydrochloride, (2:1) Narrower
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