Atenolol - NDSRI's

N-Nitroso Atenolol Impurity

  • CAT NUMBER DCTI-C-2573
  • CAS NUMBER 134720-04-0
  • MOLECULAR FORMULA C14H21N3O4
  • MOLECULAR WEIGHT 295.34
References
FAQ's

References

  1. Barrett, Arthur M.; Hull, Roy; Le Count, David J.; Squire, Christopher J.; Carter, John, Alkanolamine derivatives, GB1285038A, Aug 9, 1972, Imperial Chemical Industries Ltd., United Kingdom (https://www.lens.org/lens/search/patent/list?q=GB1285038)
  2. Scales, Bryan; Copsey, Paul B, Gas chromatographic determination of atenolol in biological samples, Journal of Pharmacy and Pharmacology, Volume: 27, Issue: 6, Pages: 430-3, 1975 DOI: (1111/j.2042-7158.1975.tb09473.x)
  3. Weddle, Orville H.; Amick, Edwin N.; Mason, William D., Rapid determination of atenolol in human plasma and urine by high-pressure liquid chromatography, Journal of Pharmaceutical Sciences, Volume: 67, Issue: 7, Pages: 1033-5, 1978 DOI: (10.1002/jps.2600670748)

Frequently Asked Questions

HPLC method analyzes Atenolol impurities in the drug substance.

During process development, manufacturers can avoid reactions that produce nitrosamines, use amide solvents, and monitor any cross-contamination of materials. Further, the control strategy should have specification limits to detect nitrosamine levels in Atenolol.

The source of Atenolol impurities includes unreacted starting materials, by-products, intermediates, solvents, and reagents.

Note: Products protected by valid patents by a manufacturer are not offered for sale in countries having patent protection. The sale of such products constitutes a patent infringement, and its liability is at the buyer's risk.

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