Date published: 2025-10-20

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3-Anilino-2-(3,4,5-Trimethoxybenzyl)acrylonitrile (CAS 30078-48-9)

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Alternate Names:
Trimethoprim Impurity I
CAS Number:
30078-48-9
Purity:
≥98%
Molecular Weight:
324.37
Molecular Formula:
C19H20N2O3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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3-Anilino-2-(3,4,5-Trimethoxybenzyl)acrylonitrile is used as a reference standard for the drug Trimethoprim. 3-(Phenylamino)-2-(3,4,5-trimethoxybenzyl)acrylonitrile is based on its ability to act as a Lewis acid, which is a type of acid that can accept electrons from other molecules. When 3-(Phenylamino)-2-(3,4,5-trimethoxybenzyl)acrylonitrile is used as a catalyst in a reaction, it can increase the rate of reaction by stabilizing the transition state of the reaction. This is due to the electron-withdrawing effect of the 3-phenyl group, which is able to stabilize the transition state of the reaction.


3-Anilino-2-(3,4,5-Trimethoxybenzyl)acrylonitrile (CAS 30078-48-9) References

  1. Isolation and identification of process impurities in trimethoprim drug substance by high-performance liquid chromatography, atmospheric pressure chemical ionization liquid chromatography/mass spectrometry and nuclear magnetic resonance spectroscopy.  |  Lehr, GJ., et al. 1999. J Pharm Biomed Anal. 19: 373-89. PMID: 10704103
  2. Bioactivation of Trimethoprim to Protein-Reactive Metabolites in Human Liver Microsomes.  |  Goldman, JL., et al. 2016. Drug Metab Dispos. 44: 1603-7. PMID: 27457783
  3. Quantitative NMR (qNMR) for pharmaceutical analysis: The pioneering work of George Hanna at the US FDA.  |  Jaki, BU., et al. 2021. Magn Reson Chem. 59: 7-15. PMID: 32910504

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

3-Anilino-2-(3,4,5-Trimethoxybenzyl)acrylonitrile, 1 g

sc-209536
1 g
$304.00