LEVOLEUCOVORIN
UNII 990S25980Y

Substance Identification & Data

This profile provides standardized clinical and technical data for Levoleucovorin, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 990S25980Y.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 68538-85-2 and the RxNorm Concept ID (RxCUI) 877015. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

990S25980Y

CAS Registry Number

68538-85-2

RxNorm Concept ID

877015

Detailed Substance Profile

Preferred Name

LEVOLEUCOVORIN

Official standardized name for this substance within the FDA UNII nomenclature system.

Molecular Formula

990S25980Y

The specific atomic composition represented as a molecular structure string.

InChIKey

C20H23N7O7

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

VVIAGPKUTFNRDU-STQMWFEESA-N

Line notation for describing the chemical structure and connectivity of atoms.

NCI Thesaurus

C1559

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

135398559

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(N[C@H](C(=O)O)CCC(O)=O)(c1ccc(NC[C@@H]2N(c3c([nH]c(nc3=O)N)NC2)C=O)cc1)=O

Synonyms and Nomenclature

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