HISTAMINE
UNII 820484N8I3

Substance Identification & Data

This profile provides standardized clinical and technical data for Histamine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 820484N8I3.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 51-45-6 and the RxNorm Concept ID (RxCUI) 5333. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
820484N8I3
CAS Registry Number
51-45-6
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
HISTAMINE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
820484N8I3
The specific atomic composition represented as a molecular structure string.
InChIKey
C5H9N3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
NTYJJOPFIAHURM-UHFFFAOYSA-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
NCCc1c[nH]cn1

Synonyms and Nomenclature

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

Common Names & Synonyms

.BETA.-AMINOETHYLGLYOXALINE
ERGAMINE
ERGOTIDINE
HISTAMINE [HSDB]
HISTAMINE [MART.]
HISTAMINE [MI]
HISTAMINE [VANDF]
HISTAMINE [WHO-DD]

Systematic Nomenclature

.BETA.-AMINOETHYLIMIDAZOLE
1H-IMIDAZOLE-4-ETHANAMINE
2-(4-IMIDAZOLYL)ETHYLAMINE
4-IMIDAZOLEETHYLAMINE
5-IMIDAZOLEETHYLAMINE
HISTAMINE

Technical Codes

NSC-33792

NDC Products Containing HISTAMINE

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