THREONINE
UNII 2ZD004190S

Substance Identification & Data

This profile provides standardized clinical and technical data for Threonine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 2ZD004190S.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 72-19-5 and the RxNorm Concept ID (RxCUI) 10524. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
2ZD004190S
CAS Registry Number
72-19-5
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
THREONINE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
2ZD004190S
The specific atomic composition represented as a molecular structure string.
InChIKey
C4H9NO3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
AYFVYJQAPQTCCC-GBXIJSLDSA-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
6172
Sequential identifier assigned via the WHO International Nonproprietary Name program.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
C[C@H]([C@@H](C(=O)O)N)O

Synonyms and Nomenclature

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

THREONINE

Common Names & Synonyms

L-THREONINE [FCC]
L-THREONINE [JAN]
L-THREONINE [USP-RS]
LYSINE HYDROCHLORIDE IMPURITY C [EP IMPURITY]
THR
THREONINE [EP MONOGRAPH]
THREONINE [HSDB]
THREONINE [II]
THREONINE [INN]
THREONINE [MART.]
THREONINE [MI]
THREONINE [USAN]
THREONINE [USP MONOGRAPH]
THREONINE [VANDF]
THREONINE [WHO-DD]

Systematic Nomenclature

(2S,3R)-2-AMINO-3-HYDROXYBUTYRIC ACID
(R-(R*,S*))-2-AMINO-3-HYDROXYBUTANOIC ACID
(S)-THREONINE
L-THREONINE
THREONINE, L-

Technical Codes

FEMA NO. 4710
NSC-16589
NSC-46701

NDC Products Containing THREONINE

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