CARBOXYFENTANYL
UNII 9B5MX9FN8R

Substance Identification & Data

This profile provides standardized clinical and technical data for Carboxyfentanyl, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 9B5MX9FN8R.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 52994-23-7 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

9B5MX9FN8R

CAS Registry Number

52994-23-7

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

CARBOXYFENTANYL

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

InChIKey

C23H28N2O3

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

MEVFKTVEGJUHHI-UHFFFAOYSA-N

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

PubChem CID

23635044

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

N(C(CCC(O)=O)=O)(C1CCN(CC1)CCc2ccccc2)c3ccccc3

Synonyms and Nomenclature

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