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Phenobarbital

Phenobarbital Impurities & Reference Standards

Phenobarbital is a widely used active pharmaceutical ingredient (API) that plays a central role in modern drug formulation and manufacturing. Phenobarbital is registered under CAS Number 50-06-6. The compound carries the molecular formula C12H12N2O3, corresponding to a molecular weight of 232.2 g/mol. High-purity Phenobarbital 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. Our Phenobarbital reference standards are provided with full documentation — Certificate of Analysis (CoA), HPLC chromatographic data, and spectral characterization — to support pharmaceutical R&D and GMP manufacturing.

Associated Impurities

Phenobarbital Impurity – A

  • CAS No: 69125-70-8
  • Mol. F.: C12H14N4O

Phenobarbital Impurity – B

  • CAS No: 58042-96-9
  • Mol. F.: C12H13N3O2

Phenobarbital Impurity – C

  • CAS No: 76-94-8
  • Mol. F.: C11H10N2O3
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