Inactive / Discontinued
NITROUS OXIDE
UNII K50XQU1029
Substance Identification & Data
This profile provides standardized clinical and technical data for Nitrous Oxide, uniquely identified by the FDA Unique Ingredient Identifier (UNII) K50XQU1029.
Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 10024-97-2 and the RxNorm Concept ID (RxCUI) 7486. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.
Detailed Substance Profile
Preferred Name
NITROUS OXIDE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
K50XQU1029
The specific atomic composition represented as a molecular structure string.
InChIKey
N2O International Chemical Identifier digital signature for unique molecular identification.
SMILES String
GQPLMRYTRLFLPF-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.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
N#[N+][O-]
Synonyms and Nomenclature
This section provides a complete list of nomenclature and identifier mappings for Nitrous Oxide. 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
NITROUS OXIDE
Common Names & Synonyms
DINITROGEN MONOXIDE
DINITROGEN OXIDE [WHO-IP]
DINITROGENII OXIDUM [WHO-IP LATIN]
FACTITIOUS AIR
LAUGHING GAS
N2O
NITROGEN OXIDE (N(SUB 2)O)
NITROGEN PROTOXIDE
NITROGENUM OXYGENATUM
NITROUS OXIDE [EP IMPURITY]
NITROUS OXIDE [EP MONOGRAPH]
NITROUS OXIDE [FCC]
NITROUS OXIDE [FHFI]
NITROUS OXIDE [GREEN BOOK]
NITROUS OXIDE [HSDB]
NITROUS OXIDE [JAN]
NITROUS OXIDE [MART.]
NITROUS OXIDE [MI]
NITROUS OXIDE [USP MONOGRAPH]
NITROUS OXIDE [VANDF]
NITROUS OXIDE [WHO-DD]
PROTOXIDE OF NITROGEN
Systematic Nomenclature
HYPONITROUS ACID ANHYDRIDE
Technical Codes
E-942
FEMA NO. 2779
INS NO.942
INS-942
NDC Products Containing NITROUS OXIDE
This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory:
