C10H13NO4
211.21 g/mol
APIWarning
Methyldopa
CAS555-30-6EC209-089-2
Category
API
Compound Class
Organic Acid
Primary Use
Pharmaceutical Raw Material
Methyldopa is an active pharmaceutical ingredient used as an antihypertensive agent. It functions as a centrally acting alpha-2 adrenergic agonist to lower blood pressure.
antihypertensive agentactive pharmaceutical ingredient in blood pressure medications
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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CAS55508-42-4
pharmaceutical raw material
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CAS55541-30-5
pharmaceutical raw material
ReferenceSame Category
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CAS556-08-1
pharmaceutical raw material
ReferenceSame Category
Alverine citrate
CAS5560-59-8
pharmaceutical raw material
Referencestereoisomer of
(+/-)-methyldopa
CAS55-40-3
pharmaceutical raw material
Referencestereoisomer of
3-Hydroxy-alpha-methyl-DL-tyrosine
CAS555-29-3
pharmaceutical raw material
Safety Reference
Warning
H361Suspected of damaging fertility or the unborn child
Customs Tariff Classification
The international HS code for Methyldopa (CAS 555-30-6) 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)-2-methylpropanoic acid
InChIKey
CJCSPKMFHVPWAR-JTQLQIEISA-N
SMILES
C[C@](CC1=CC(=C(C=C1)O)O)(C(=O)O)N
Synonyms (112)
- AMD
- Carbidopa EP Impurity A
- Methyldopa (INN)
- Methyldopa for system suitability, European Pharmacopoeia (EP)
- Methyldopa, European Pharmacopoeia (EP)
- Methyldopa, United States Pharmacopeia (USP)
- Methyldopum [INN-Latin]
- Metildopa [INN-Spanish]
- (S)-(-)-alpha-Methyldopa
- (s)-(-)-a-methyldopa
- ANHYDROUS METHYLDOPA [MART.]
- Aldomet
- Aldomet (TN)
- Aldometil
- Aldomin
- Alpha medopa
- Alphamethyldopa
- Amodopa
- Anhydrous methyldopa
- Apo Methyldopa
- Apo Methyldopa Tab 125mg
- Apo Methyldopa Tab 250mg
- Apo Methyldopa Tab 500mg
- Bayer 1440 L
- Baypresol
- Becanta
- CARBIDOPA IMPURITY A
- Dopamet
- Dopamethyperpax
- Dopatec
- Dopegit
- Dopegyt
- Dopergit
- Grospisk
- Hyperpax
- Hypolag
- J9.247I
- L(-)-a-methylalanine
- L(-)-alpha-methylalanine
- L-(a-MD)
- L-(alpha-Md)
- L-Methyl Dopa
- Lederdopa
- MK-351;Methyldopa
- Medoba
- Medomet
- Medopal
- Medopren
- Metalpha 250
- Metalpha 500
- Methoplain
- Methyl-L-dopa
- Methyldopa (Aldomet)
- Methyldopa (L,-)
- Methyldopa (Levorotatory)
- Methyldopa 125 Tab 125mg
- Methyldopa 250 Tab
- Methyldopa 500 Tab 500mg
- Methyldopa anhydrous
- Methyldopum
- Metildopa
- Novo-Medopa Tab 125mg
- Novo-Medopa Tab 250mg
- Novo-Medopa Tab 500mg
- Novomedopa
- Nr.C 2294
- Nu Medopa
- Nu-Medopa Tab 125mg
- Nu-Medopa Tab 250mg
- Nu-Medopa Tab 500mg
- Presinol
- Presolisin
- Sedometil
- Sembrina
- a-methyl dopa
- a-methyl-l-dopa
- a-methyldopa (van)
- alpha-Methyl-L-dopa
- l-a-methyldopa
- l-alpha-Methyldopa
- methyldopa
- methyldopate (ester)
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