METHYLDOPA
UNII 56LH93261Y

Substance Identification & Data

This profile provides standardized clinical and technical data for Methyldopa, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 56LH93261Y.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 41372-08-1 and the RxNorm Concept ID (RxCUI) 6876. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
56LH93261Y
CAS Registry Number
41372-08-1
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
METHYLDOPA
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
56LH93261Y
The specific atomic composition represented as a molecular structure string.
InChIKey
2C10H13NO4.3H2O
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
YKFCISHFRZHKHY-NGQGLHOPSA-N
Line notation for describing the chemical structure and connectivity of atoms.
NCI Thesaurus
National Cancer Institute reference terminology for clinical and research data.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
[C@@](C)(C(=O)O)(Cc1cc(c(O)cc1)O)N.O.[C@@](C)(C(=O)O)(Cc1cc(c(O)cc1)O)N.O.O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Methyldopa. Identifiers are organized into official regulatory terms, commercial trade names, and technical systematic synonyms used to ensure accurate identification across clinical pharmaceutical databases, regulatory filings, and electronic health records.

FDA Official Name

METHYLDOPA

Common Names & Synonyms

ALDORIL COMPONENT METHYLDOPA
ALPHA-METHYLDOPA
L-3-(3,4-DIHYDROXYPHENYL)-2-METHYLALANINE SESQUIHYDRATE
L-TYROSINE, 3-HYDROXY-.ALPHA.-METHYL-, SESQUIHYDRATE
METHYLDOPA [EP MONOGRAPH]
METHYLDOPA [MART.]
METHYLDOPA [ORANGE BOOK]
METHYLDOPA [USAN]
METHYLDOPA [USP MONOGRAPH]
METHYLDOPA [USP-RS]
METHYLDOPA [VANDF]
METHYLDOPA [WHO-IP]
METHYLDOPA HYDRATE [JAN]
METHYLDOPA SESQUIHYDRATE
METHYLDOPA SESQUIHYDRATE [MART.]
METHYLDOPA SESQUIHYDRATE [MI]
METHYLDOPA SESQUIHYDRATE [WHO-DD]
METHYLDOPUM [WHO-IP LATIN]

Brand / Trade Names

ALDOMET
DOPAMET
DOPEGYT
MEDOPREN
PRESINOL

Systematic Nomenclature

L-TYROSINE, 3-HYDROXY-.ALPHA.-METHYL-, HYDRATE (2:3)
METHYLDOPA HYDRATE

Technical Codes

MK-351
NSC-760080

NDC Products Containing METHYLDOPA

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: