Venugopal N, Bhaskar Reddy AV, Gangadhar Reddy K, Madhavi V, Madhavi G. Method development and validation study for quantitative determination of 2-chloromethyl-3,4-dimethoxy pyridine hydrochloride a genotoxic impurity in pantoprazole active pharmaceutical ingredient (API) by LC/MS/MS.
J Pharm Biomed Anal 2012;
70:592-7. [PMID:
22749172 DOI:
10.1016/j.jpba.2012.05.031]
[Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2012] [Revised: 04/18/2012] [Accepted: 05/23/2012] [Indexed: 11/18/2022]
Abstract
A sensitive and selective liquid chromatographic-tandem mass spectrometric (LC/MS/MS) method was developed and validated for the trace analysis (>1 ppm level) of 2-chloromethyl-3,4-dimethoxy pyridine hydrochloride a genotoxic impurity in pantoprazole sodium drug substances. LC/MS/MS analysis of 2-chloromethyl-3,4-dimethoxy pyridine hydrochloride was done on Hypersil BDS C18 (50 mm × 4.6 mm) 3 μm column and 10 mM ammonium acetate in 1000 mL of water was used as buffer. The mobile phase used was in the ratio of buffer-acetonitrile (79:21, v/v). The flow rate was 1.0 mL/min and elution was monitored at 210 nm. The method was validated as per International Conference on Harmonization (ICH) guidelines. LC/MS/MS is able to quantitate up to 0.3 ppm of 2-chloromethyl-3,4-dimethoxy pyridine hydrochloride.
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