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Anastrozole

Anastrozole Impurities & Reference Standards

Anastrozole is a high-purity active pharmaceutical ingredient (API) used in the formulation and manufacture of pharmaceutical products. Anastrozole is registered under CAS Number 120511-73-1. It has a molecular formula of C17H19N5 and a molecular weight of 293.4 g/mol. Related substances and impurities of Anastrozole are routinely used as reference materials for stability-indicating method development, impurity profiling, and compliance with ICH, USP, BP, and EP monographs. We offer Anastrozole and its impurity standards with complete analytical documentation, including CoA and HPLC data, suitable for pharmaceutical quality control and regulatory submissions.

Associated Impurities

Anastrozole Impurity – A

  • CAS No: 1215780-15-6
  • Mol. F.: C16H17N5

Anastrozole Impurity – B

  • CAS No: 1216898-82-6
  • Mol. F.: C30H31N9

Anastrozole Impurity – C

  • CAS No: 120511-84-4
  • Mol. F.: C15H17BrN2

Anastrozole Impurity – D

  • CAS No: 1027160-12-8
  • Mol. F.: C15H16Br2N2

Anastrozole Impurity – E

  • CAS No: 120511-88-8
  • Mol. F.: C15H18N2O

Anastrozole Impurity – F

  • CAS No: 104-15-4
  • Mol. F.: C7H8O3S

Anastrozole Impurity – H

  • CAS No: 120511-72-0
  • Mol. F.: C15H18N2

Anastrozole Impurity – I

  • CAS No: 120511-91-3
  • Mol. F.: C15H17ClN2

Anastrozole Impurity – G

  • CAS No: 120511-92-4
  • Mol. F.: C17H19N5
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