PENTAMETHYLMETHOXYDISILOXANE
UNII 5J3XQU4UBH

Substance Identification & Data

This profile provides standardized clinical and technical data for Pentamethylmethoxydisiloxane, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 5J3XQU4UBH.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 18156-38-2 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
5J3XQU4UBH
CAS Registry Number
18156-38-2
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
PENTAMETHYLMETHOXYDISILOXANE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
5J3XQU4UBH
The specific atomic composition represented as a molecular structure string.
InChIKey
C6H18O2Si2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
DIBFCVPKSNXGHE-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
CO[Si](C)(C)O[Si](C)(C)C

Synonyms and Nomenclature

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

METHOXYPENTAMETHYLDISILOXANE
PENTAMETHYLMETHOXYDISILOXANE

Systematic Nomenclature

1-METHOXY-1,1,3,3,3-PENTAMETHYLDISILOXANE
DISILOXANE, 1-METHOXY-1,1,3,3,3-PENTAMETHYL-
DISILOXANE, METHOXYPENTAMETHYL-
METHOXY-DIMETHYL-TRIMETHYLSILYLOXY-SILANE

NDC Products Containing PENTAMETHYLMETHOXYDISILOXANE

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: