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Ethinylestradiol

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Ethinylestradiol Impurity Dimer-1

  • CAT Number DCTI-C-1661
  • CAS Number 303014-90-6
  • Molecular Formula C40H46O4
  • Molecular Weight 590.8
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Ethinylestradiol Impurity Dimer-2
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Ethinylestradiol Impurity Dimer-2

  • CAT Number DCTI-C-1662
  • CAS Number 303014-91-7
  • Molecular Formula C40H46O4
  • Molecular Weight 590.8
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Ethinylestradiol Impurity J
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Ethinylestradiol Impurity J

  • CAT Number DCTI-C-1437
  • CAS Number 15071-66-6
  • Molecular Formula C21H26O2
  • Molecular Weight 310.44
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References
FAQ's

References

  1. Inhoffen, Hans H.; Hohlweg, Walter, Tertiary alcohols of the estrane series and their derivatives and a process for their manufacture, Schering Corp., US2265976A, December 9, 1941
  2. Talmage, Joseph M.; Penner, Melvin H., Comparative utility of the silyl ether and acetate ester derivatives of ethyl estradiol for its quatitative gas chromatographic determination, Journal of Pharmaceutical Sciences, Volume: 56, Issue: 5, Pages: 657, 1967

Frequently Asked Questions

Impurities in Ethinylestradiol are identified through comparison with reference standards, spectral analysis, and mass spectrometry to determine their chemical structure and composition.

Stability testing helps monitor impurity levels in Ethinylestradiol formulations during their shelf life to ensure product quality and safety.

Genotoxicity tests help evaluate the potential DNA-damaging effects of impurities in Ethinylestradiol formulations.

Ethinylestradiol impurities are stored at a controlled room temperature, 2-8 °C or according to the Certificate of Analysis (CoA) specifications.

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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