PERFLUOROOCTANESULFONIC ACID
UNII 9H2MAI21CL

Substance Identification & Data

This profile provides standardized clinical and technical data for Perfluorooctanesulfonic Acid, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 9H2MAI21CL.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 1763-23-1 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
9H2MAI21CL
CAS Registry Number
1763-23-1
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
PERFLUOROOCTANESULFONIC ACID
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C8HF17O3S
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
YFSUTJLHUFNCNZ-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
S(C(C(C(C(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(O)(=O)=O

Synonyms and Nomenclature

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

Common Names & Synonyms

N-PERFLUOROOCTANE SULFONIC ACID
PERFLUORO-N-OCTANESULFONIC ACID
PERFLUOROOCTANE SULFONIC ACID [HSDB]
PFOS

Systematic Nomenclature

1-OCTANESULFONIC ACID, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8- HEPTADECAFLUORO-
HEPTADECAFLUOROOCTANE-1-SULPHONIC ACID
PERFLUOROOCTANE SULFONATE
PERFLUOROOCTANE SULFONIC ACID
PERFLUOROOCTANESULFONIC ACID
PERFLUOROOCTYLSULFONIC ACID