METHOTREXATE
UNII YL5FZ2Y5U1

Substance Identification & Data

This profile provides standardized clinical and technical data for Methotrexate, uniquely identified by the FDA Unique Ingredient Identifier (UNII) YL5FZ2Y5U1.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 59-05-2 and the RxNorm Concept ID (RxCUI) 6851. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
YL5FZ2Y5U1
CAS Registry Number
59-05-2
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
METHOTREXATE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
YL5FZ2Y5U1
The specific atomic composition represented as a molecular structure string.
InChIKey
C20H22N8O5
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
FBOZXECLQNJBKD-ZDUSSCGKSA-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.
INN ID
926
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
n1c(c2nc(CN(c3ccc(C(N[C@H](C(=O)O)CCC(=O)O)=O)cc3)C)cnc2nc1N)N

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Methotrexate. 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

METHOTREXATE

Common Names & Synonyms

AMETHOPTERIN
METHOTREXATE [EP MONOGRAPH]
METHOTREXATE [HSDB]
METHOTREXATE [IARC]
METHOTREXATE [INN]
METHOTREXATE [JAN]
METHOTREXATE [MART.]
METHOTREXATE [MI]
METHOTREXATE [ORANGE BOOK]
METHOTREXATE [USAN]
METHOTREXATE [USP IMPURITY]
METHOTREXATE [USP MONOGRAPH]
METHOTREXATE [USP-RS]
METHOTREXATE [VANDF]
METHOTREXATE [WHO-DD]
METHOTREXATE [WHO-IP]
METHOTREXATUM [WHO-IP LATIN]
METHYLAMINOPTERIN
MTX

Brand / Trade Names

JYLAMVO
RASUVO
REDITREX
XATMEP

Systematic Nomenclature

(2S)-2-((4-(((2,4-DIAMINOPTERIDIN-6-YL)METHYL)(METHYL)AMINO)BENZOYL)AMINO)PENTANEDIOIC ACID

Technical Codes

ADX-2191
CL 14377
CL-14377
NSC-740
R-9985

NDC Products Containing METHOTREXATE

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