THEANINE
UNII 8021PR16QO

Substance Identification & Data

This profile provides standardized clinical and technical data for Theanine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 8021PR16QO.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 3081-61-6 and the RxNorm Concept ID (RxCUI) 38022. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
8021PR16QO
CAS Registry Number
3081-61-6
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
THEANINE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
8021PR16QO
The specific atomic composition represented as a molecular structure string.
InChIKey
C7H14N2O3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
DATAGRPVKZEWHA-YFKPBYRVSA-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
N[C@H](C(=O)O)CCC(=O)NCC

Synonyms and Nomenclature

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

THEANINE

Common Names & Synonyms

L-THEANINE [USP-RS]
THEANINE [MI]
THEANINE [VANDF]
THEANINE [WHO-DD]

Systematic Nomenclature

L-THEANINE
N-ETHYL-L-GLUTAMINE
THEANINE, L-

Technical Codes

NSC-21308

NDC Products Containing THEANINE

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