Residue detection of DMAP and DCC in docetaxel by GC-MS

DU Yi; CHEN Lei; LI Ling; Zhou Jin; L&#220; Lei

doi:10.3969/j.issn.1006-0111.2018.05.014

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Objective To establish a GC-MS method for residue detection of 4-Dimethylaminopyridine (DMAP) and Dicyclohexyl Carbodiimide (DCC) in docetaxel. Methods The separation was performed on an Agilent DB-5msUI capillary column (30 m×0.25 mm, 0.25 μm) with programmed temperature. The carrier gas was high purity helium, the flow rate was 1.5 ml/min and the injection volume was 1 μl. Electron impact ion source (EI) and selection monitoring mode (SIM) were applied for quantitative analysis. The quantitative ion of DMAP, DCC and internal standard (IS) was 121, 163 and 95 respectively. Docetaxel was ultrasonically extracted with methanol. Results The calibration of DMAP and DCC showed good linear relationship (r>0.999 2), the limits of quantification (LOQ) were 50.90 ng/ml and 10.21 ng/ml separately. Intra-day and inter-day precision were all less than 5% and recoveries were more than 90%, which conformed with the requirement of methodology validation. No residues of DMAP and DCC were detected in three batches of samples. Conclusion The method was sensitive and selective which can be used for the detection of trace impurities in docetaxel.

Residue detection of DMAP and DCC in docetaxel by GC-MS

1. Department of Pharmacy, Xinhua Hospital Affiliated to School of Medicine, Shanghai Jiaotong University, Shanghai 200092, China

2. Department of Pharmacy, Shanghai Changhai Hospital, Shanghai 200433, China

3. Pharmaceutical Analysis Center, School of Pharmacy, Second Military Medical University, Shanghai 200433, China

4. Department of Pharmacy, Shanghai Eastern Hepatobiliary Surgery Hospital, Shanghai 200438, China

Received Date: 2018-03-07

Rev Recd Date: 2018-04-13

Key words:

GC-MS /
docetaxel /
DMAP /
DCC /
residue detection

Abstract: Objective To establish a GC-MS method for residue detection of 4-Dimethylaminopyridine (DMAP) and Dicyclohexyl Carbodiimide (DCC) in docetaxel. Methods The separation was performed on an Agilent DB-5msUI capillary column (30 m×0.25 mm, 0.25 μm) with programmed temperature. The carrier gas was high purity helium, the flow rate was 1.5 ml/min and the injection volume was 1 μl. Electron impact ion source (EI) and selection monitoring mode (SIM) were applied for quantitative analysis. The quantitative ion of DMAP, DCC and internal standard (IS) was 121, 163 and 95 respectively. Docetaxel was ultrasonically extracted with methanol. Results The calibration of DMAP and DCC showed good linear relationship (r>0.999 2), the limits of quantification (LOQ) were 50.90 ng/ml and 10.21 ng/ml separately. Intra-day and inter-day precision were all less than 5% and recoveries were more than 90%, which conformed with the requirement of methodology validation. No residues of DMAP and DCC were detected in three batches of samples. Conclusion The method was sensitive and selective which can be used for the detection of trace impurities in docetaxel.

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Residue detection of DMAP and DCC in docetaxel by GC-MS

doi: 10.3969/j.issn.1006-0111.2018.05.014

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