PENTAMETHYL CYCLOPENTASILOXANE
UNII K29QC5YCW8

Substance Identification & Data

This profile provides standardized clinical and technical data for Pentamethyl Cyclopentasiloxane, uniquely identified by the FDA Unique Ingredient Identifier (UNII) K29QC5YCW8.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 6166-86-5 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

K29QC5YCW8

CAS Registry Number

6166-86-5

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

PENTAMETHYL CYCLOPENTASILOXANE

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

Molecular Formula

K29QC5YCW8

The specific atomic composition represented as a molecular structure string.

InChIKey

C5H20O5Si5

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

HGPDWMTUQRNTQT-UHFFFAOYSA-N

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

PubChem CID

80304

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

[SiH]1(O[SiH](O[SiH](O[SiH](O[SiH](O1)C)C)C)C)C

Synonyms and Nomenclature

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