4531-54-8: Azathioprine EP Impurity A
Azathioprine EP Impurity A (CAS No.: 4531-54-8) is an intermediate compound that has a wide range of applications. It is formed as a byproduct of the nucleophilic substitution reaction of 1-methyl-4,5-dinitroimidazole which belongs to a class of Nitroimidazoles. Nitroimidazoles are broadly used as antitumor, antibacterial, antifungal, and antiviral drugs.
Additional information on CAS 4531-54-8
Azathioprine BP Impurity A; Azathioprine Related Compound A; 1-Methyl-4-nitro-1H-imidazol-5-amine; 5-Amino-1-methyl-4-nitro-imidazole; NSC 400013; Azathioprine BP Impurity A; Azathioprine USP Related Compound A
Lian, Peng-Bao, et al. “Nucleophilic Substitution Reactions of 1-Methyl-4, 5-Dinitroimidazole with Aqueous Ammonia or Sodium Azide.” Chemistry of Heterocyclic Compounds, vol. 54, no. 11, Nov. 2018, pp. 1045–49, https://doi.org/10.1007/s10593-018-2389-5.
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