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N-Methylpyrrolidone

N-Methylpyrrolidone Impurities & Reference Standards

In pharmaceutical manufacturing, N-Methylpyrrolidone functions as an active pharmaceutical ingredient (API) used in the formulation of a wide range of medicinal products. N-Methylpyrrolidone is registered under CAS Number 872-50-4. It has a molecular formula of C5H9NO and a molecular weight of 99.1 g/mol. High-purity N-Methylpyrrolidone and its related substances / process impurities are essential for analytical method development, method validation, quality control, and regulatory submissions under ICH, USP, BP, and EP guidelines. Each batch of N-Methylpyrrolidone reference standard is accompanied by a Certificate of Analysis (CoA), HPLC purity data, and spectroscopic (NMR/MS/IR) characterization for use in pharmaceutical laboratories worldwide.

Associated Impurities

N-Methylpyrrolidone Impurity – A

  • CAS No: 74-89-5
  • Mol. F.: CH5N

N-Methylpyrrolidone Impurity – B

  • CAS No: 96-48-0
  • Mol. F.: C4H6O2

N-Methylpyrrolidone Impurity – C

  • CAS No: 19597-07-0
  • Mol. F.: C6H11NO

N-Methylpyrrolidone Impurity – D

  • CAS No: 2555-04-6
  • Mol. F.: C6H11NO

N-Methylpyrrolidone Impurity – E

  • CAS No: 5075-92-3
  • Mol. F.: C6H11NO

N-Methylpyrrolidone Impurity – F

  • CAS No: 110-63-4
  • Mol. F.: C4H10O2

N-Methylpyrrolidone Impurity – G

  • CAS No: 616-45-5
  • Mol. F.: C4H7NO

N-Methylpyrrolidone Impurity – H

  • CAS No: 1121-07-9
  • Mol. F.: C5H7NO2

N-Methylpyrrolidone Impurity – I

  • CAS No: 57-55-6
  • Mol. F.: C3H8O2
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