Drug used to treat asthma

Reference no: EM133729429

Question

Beta-hydroxypropyl theophylline can be used as an internal standard when testing for theophylline, a drug used to treat asthma. Beta-hydroxypropyl theophylline is slightly less polar than theophylline. With this information, would beta-hydroxypropyl elute before or after theophylline in reverse phase HPLC? Explain why.

Reference no: EM133729429

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