1,3-PROPYLENE SULFITE
UNII 4AT4ZWH29Y

Substance Identification & Data

This profile provides standardized clinical and technical data for 1,3-propylene Sulfite, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 4AT4ZWH29Y.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 4176-55-0 and the RxNorm Concept ID (RxCUI) N/A. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

4AT4ZWH29Y

CAS Registry Number

4176-55-0

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

1,3-PROPYLENE SULFITE

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

InChIKey

C3H6O3S

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

LOURZMYQPMDBSR-UHFFFAOYSA-N

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

PubChem CID

77839

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

S1(OCCCO1)=O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 1,3-propylene Sulfite. 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.