PROPYLENE OXIDE
UNII Y4Y7NYD4BK

Substance Identification & Data

This profile provides standardized clinical and technical data for Propylene Oxide, uniquely identified by the FDA Unique Ingredient Identifier (UNII) Y4Y7NYD4BK.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 75-56-9 and the RxNorm Concept ID (RxCUI) 1368175. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

Y4Y7NYD4BK

CAS Registry Number

75-56-9

RxNorm Concept ID

1368175

Detailed Substance Profile

Preferred Name

PROPYLENE OXIDE

Official standardized name for this substance within the FDA UNII nomenclature system.

Molecular Formula

Y4Y7NYD4BK

The specific atomic composition represented as a molecular structure string.

InChIKey

C3H6O

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

GOOHAUXETOMSMM-UHFFFAOYSA-N

Line notation for describing the chemical structure and connectivity of atoms.

NCI Thesaurus

C44438

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

6378

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

ISO 11238 classification category (e.g., Chemical, Polymer, Protein).

Ingredient Role

O1CC1C

Synonyms and Nomenclature

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