Home » Impurities » Terfenadine

Terfenadine

Terfenadine Impurities & Reference Standards

Terfenadine is an established active pharmaceutical ingredient (API) with broad application in pharmaceutical formulation, drug substance manufacturing, and quality control. Terfenadine is registered under CAS Number 50679-08-8. The compound carries the molecular formula C32H41NO2, corresponding to a molecular weight of 471.7 g/mol. Related substances and impurities of Terfenadine are routinely used as reference materials for stability-indicating method development, impurity profiling, and compliance with ICH, USP, BP, and EP monographs. Our Terfenadine reference standards are provided with full documentation — Certificate of Analysis (CoA), HPLC chromatographic data, and spectral characterization — to support pharmaceutical R&D and GMP manufacturing.

Associated Impurities

Terfenadine Impurity – I

  • CAS No: 115-46-8
  • Mol. F.: C18H21NO

Terfenadine Impurity – G

  • CAS No:
  • Mol. F.: C32H39NO

Terfenadine Impurity – H

  • CAS No: 147158-67-6
  • Mol. F.: C32H41NO

Terfenadine Impurity – J

  • CAS No: 100499-85-2
  • Mol. F.: C22H35NO3

Terfenadine Impurity – A

  • CAS No: 43076-30-8
  • Mol. F.: C32H39NO2

Terfenadine Impurity – B

  • CAS No: 1632048-95-3
  • Mol. F.: C32H41NO

Terfenadine Impurity – C

  • CAS No: 634901-83-0
  • Mol. F.: C32H41NO3

Terfenadine Impurity – D

  • CAS No: 93052-68-7
  • Mol. F.: C32H39NO

Terfenadine Impurity – E

  • CAS No:
  • Mol. F.: C20H31NO3

Terfenadine Impurity – F

  • CAS No:
  • Mol. F.: C32H37N
Scroll to Top