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Home/Compounds/API/(S,E)-N-(4-((3,4-Dichlorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide (Afatinib Impurity)
C24H25Cl2N5O3
502.4 g/mol
API

(S,E)-N-(4-((3,4-Dichlorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide (Afatinib Impurity)

CAS2223677-63-0
Category
API
Compound Class
Amine
Primary Use
Pharmaceutical Raw Material

This compound is a quinazoline-based derivative identified as an impurity of the active pharmaceutical ingredient afatinib. It is characterized by a dichloroaniline moiety and an oxolan-3-yloxy substituent, with stereochemistry specified at one chiral center.

reference standard for pharmaceutical impurity analysisresearch compound for analytical method development

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

StrongStructure SimilarSimilarity 0.88

(S,E)-N-(4-((4-CHLORO-3-FLUOROPHENYL)AMINO)-7-((TETRAHYDROFURAN-3-YL)OXY)QUINAZOLIN-6-YL)-4-(DIMETHYLAMINO)BUT-2-ENAMIDE

CAS2475094-87-0

pharmaceutical raw material

SimilarStructure SimilarSimilarity 0.82

(S,E)-N-(4-((3,4-Difluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)but-2-enamide (Afatinib Impurity)

CAS2223677-62-9

pharmaceutical raw material

SimilarStructure SimilarSimilarity 0.82

Afatinib Impurity 18

CAS2413212-25-4

pharmaceutical intermediate

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Identifiers
IUPAC Name

(E)-N-[4-(3,4-dichloroanilino)-7-[(3S)-oxolan-3-yl]oxyquinazolin-6-yl]-4-(dimethylamino)but-2-enamide

InChIKey

GMLBQFFEIVQHIS-CWDCEQMOSA-N

SMILES

CN(C)C/C=C/C(=O)NC1=C(C=C2C(=C1)C(=NC=N2)NC3=CC(=C(C=C3)Cl)Cl)O[C@H]4CCOC4

Synonyms (10)
  • 2-Chloro-Afatinib
  • Afatinib Impurity 4
  • Afatinib Impurity D
  • Afatinib Impurity SCl

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