ERLOTINIB IMPURITY B
UNII D64THV2KES

Substance Identification & Data

This profile provides standardized clinical and technical data for Erlotinib Impurity B, uniquely identified by the FDA Unique Ingredient Identifier (UNII) D64THV2KES.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 183321-83-7 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

D64THV2KES

CAS Registry Number

183321-83-7

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

ERLOTINIB IMPURITY B

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

InChIKey

C21H20ClN3O3

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

DBLVDARHJKFUSK-UHFFFAOYSA-N

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

PubChem CID

16045654

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

COCCOc1cc2c(cc1OCCCl)c(Nc3cc(ccc3)C#C)ncn2

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Erlotinib Impurity B. 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.