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Reverse phase XDB C-18 column (Zorbax, 4.6 mm¡Á150 mm) was used for the assay of CPC, AKA-7-ACA, GL-7-ACA and 7-ACA. Mobile phase: 1.29 % aqueous acetic acid; methanol; acetonitrile (77.5 : 15.0 : 7.5 v/v). 1 ml/min flow rate and the peaks were monitored at 254 nm. The retention times of the different products were: 1.618 min (7-ACA), 1.864 min (CPC), 2.939 min (AKA-7-ACA) and 4.250 min (GL-7-ACA). Other minor peaks were considered as side products.
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2Â¥: Originally posted by maxiaoqiang at 2013-07-26 13:25:54
Reverse phase XDB C-18 column (Zorbax, 4.6 mm¡Á150 mm) was used for the assay of CPC, AKA-7-ACA, GL-7-ACA and 7-ACA. Mobile phase: 1.29 % aqueous acetic acid; methanol; acetonitrile (77.5 : 15.0 : 7. ...

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