POLYSORBATE 81
UNII 2MSF640LWM

Substance Identification & Data

This profile provides standardized clinical and technical data for Polysorbate 81, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 2MSF640LWM.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 9005-65-6 and the RxNorm Concept ID (RxCUI) 1996988. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
2MSF640LWM
CAS Registry Number
9005-65-6
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
POLYSORBATE 81
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
2MSF640LWM
The specific atomic composition represented as a molecular structure string.
Substance Type
polymer
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Polysorbate 81. 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.

FDA Official Name

POLYSORBATE 81

Common Names & Synonyms

PEG-5 SORBITAN OLEATE
POLYOXYETHYLENE (5) SORBITAN MONOOLEATE
POLYOXYETHYLENE(5)SORBITAN MONOOLEATE

Brand / Trade Names

ETHSORBOX O-5
JEESORB O-5
SORBAX PMO-5
TWEEN 81

NDC Products Containing POLYSORBATE 81

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