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[Application] Clopidogrel bisulfate

관리자 | 2014.01.16 13:35 | 조회 9734


 
Clopidogrel 의 경우 enantiomer purity 측정시에 USP monograph에 등록되어 있는 컬럼이 하나였으나 앞으로 계정될 버전에는

 CHIRALCEL OJ, OJ-H가 등록될 예정입니다. 아래의 크로마토그램은 시스템 적합성 테스트 결과 크로마토그램이며, 상세 내용은

첨부파일의 문헌을 통해 확인하실 수 있습니다.

Fig: 3.5.F1: Typical chromatogram of system suitability

 

 

3.3.6 Optimized chromatographic conditions for the determination of related substances and assay of Clopidogrel
Column : Chiralcel OJ-H (250 x 4.6) mm with 5 μm
particle size
Elution : Isocratic
Mobile phase : Hexane, Ethanol and diethyl amine in
95:5:0.05 (v/v/v) ratio
Flow rate : 1.0 ml/min
Column temperature : 25°C
Wavelength of detection : 240 nm
Injection volume : 10 l
Run time : 35 min
Diluent : Mobile phase
Retention time : Clopidogrel about 22 min
Relative Retention Time : Impurity-A - about 0.22
                               Impurity-B1 - about 0.50

                                      Impurity-B2 - about 0.75
                                      Impurity-C - about 0.59
                                      Impurity-D- about 0.40

                                      Impurity-E- about 0.90

 

 

 

 

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