HYPOPHOSPHOROUS ACID
UNII 8B1RL9B4ZJ

Substance Identification & Data

This profile provides standardized clinical and technical data for Hypophosphorous Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 8B1RL9B4ZJ.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 6303-21-5 and the RxNorm Concept ID (RxCUI) 1423684. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

8B1RL9B4ZJ

CAS Registry Number

6303-21-5

RxNorm Concept ID

1423684

Detailed Substance Profile

Preferred Name

HYPOPHOSPHOROUS ACID

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

Molecular Formula

8B1RL9B4ZJ

The specific atomic composition represented as a molecular structure string.

InChIKey

HO2P

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

GQZXNSPRSGFJLY-UHFFFAOYSA-N

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

PubChem CID

22497

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

P(O)=O

Synonyms and Nomenclature

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