HYDROGEN
UNII 7YNJ3PO35Z

Substance Identification & Data

This profile provides standardized clinical and technical data for Hydrogen, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 7YNJ3PO35Z.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 1333-74-0 and the RxNorm Concept ID (RxCUI) 5497. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
7YNJ3PO35Z
CAS Registry Number
1333-74-0
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
HYDROGEN
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
7YNJ3PO35Z
The specific atomic composition represented as a molecular structure string.
InChIKey
H2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
UFHFLCQGNIYNRP-UHFFFAOYSA-N
Line notation for describing the chemical structure and connectivity of atoms.
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
[H][H]

Synonyms and Nomenclature

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

HYDROGEN

Common Names & Synonyms

H2
HYDROGEN [HSDB]
HYDROGEN [MI]
HYDROGEN [WHO-DD]
HYDROGEN GAS
MOLECULAR HYDROGEN
PROTIUM

NDC Products Containing HYDROGEN

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