C9H11NO4
197.19 g/mol
APIDanger
Levodopa
CAS59-92-7EC200-445-2
Category
API
Compound Class
Natural Product
Primary Use
Pharmaceutical Raw Material
Levodopa is a dopaminergic compound used as an active pharmaceutical ingredient in medications for Parkinson's disease and related conditions. It is typically formulated with a peripheral decarboxylase inhibitor to enhance its effectiveness.
Active pharmaceutical ingredient for Parkinson's disease medicationsComponent in formulations for dopamine-responsive dystoniaIngredient in preparations for restless legs syndrome
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.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 59-92-7
Related Compounds
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Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H361Suspected of damaging fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects
H412Harmful to aquatic life with long lasting effects
Regulatory Compliance1
- California Proposition 65USRegulation
Customs Tariff Classification
The international HS code for Levodopa (CAS 59-92-7) is 2922.50.
HS code (international, 6-digit)
2922.50
EU CN code (8-digit)
2922 50 00
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-(3,4-dihydroxyphenyl)propanoic acid
InChIKey
WTDRDQBEARUVNC-LURJTMIESA-N
SMILES
C1=CC(=C(C=C1C[C@@H](C(=O)O)N)O)O
Synonyms (128)
- L-3
- V-1512
- Levodopa (JP15/USP)
- Levodopa (JP18/USP/INN)
- Levodopa, British Pharmacopoeia (BP)
- Levodopa, European Pharmacopoeia (EP)
- Levodopa, United States Pharmacopeia (USP)
- Levodopum [INN-Latin]
- (-)-Dopa
- 3,4-Dihydroxyphenyl-L-alanine
- 3,4-Dihydroxyphenylalanine
- 3,4-dihydroxy-L-phenylalanine
- 3-Hydroxy-L-tyrosine
- 4-dihydroxyphenylalanine
- Alanine,4-dihydroxyphenyl)-
- Atamet
- Bendopa
- Biodopa
- Brocadopa
- CARBILEV COMPONENT LEVODOPA
- CORBILTA COMPONENT LEVODOPA
- CREXONT COMPONENT LEVODOPA
- Cerepap
- Cidandopa
- DHIVY COMPONENT LEVODOPA
- DOPA, L-
- DOPASNAP COMPONENT LEVODOPA
- DUOPA COMPONENT LEVODOPA
- Deadopa
- Dihydroxy-L-phenylalanine
- Dopaflex
- Dopaidan
- Dopal-fher
- Dopalina
- Dopar
- Dopar (TN)
- Doparkine
- Doparl
- Dopasol
- Dopaston
- Dopaston SE
- Dopastone
- Dopastral
- Dopicar
- Doprin
- Eldopal
- Eldopar
- Eldopatec
- Eurodopa
- Helfo-Dopa
- IPX203 COMPONENT LEVODOPA
- Inbrija
- Insulamina
- L DOPA 4X
- L-3,4-Dihydrophenylalanine
- L-3,4-Dihydroxyphenylalanine
- L-3-Hydroxytyrosine
- L-4-5-Dihydroxyphenylalanine
- L-DOPA (Standard)
- L-DOPA; Levodopa
- L-Dihydroxyphenylalanine
- L-Dopa 1514
- L-Dopa Phenolic
- L-O-Dihydroxyphenylalanine
- L-Tyrosine, 3-hydroxy-
- L-dopa
- L-o-Hydroxytyrosine
- LEVODOPA COMPONENT OF PARCOPA
- LEVODOPA COMPONENT OF SINEMET
- LEVODOPA [MART.]
- Laradopa
- Larodopa
- Ledopa
- Levedopa
- Levodopa (Sinemet)
- Levodopa CRS
- Levodopa RS
- Levodopum
- Levopa
- Madopa (Salt/Mix)
- Maipedopa
- PARCOPA COMPONENT LEVODOPA
- Parcopa
- Parda
- Pardopa
- Phenylalanine, 3,4-dihydroxy-
- Prodopa
- Prolopa
- RYTARY COMPONENT LEVODOPA
- Ro 4-6316
- STALEVO COMPONENT LEVODOPA
- Sinemet
- Sobiodopa
- Syndopa
- Veldopa
- Weldopa
- component of Sinemet
- levodopa