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This is a question being asked of my colleagues and me more and more frequently, especially in pharma accounts. Why? Well, you are familiar with the adage – Time is Money, right. Well this really applies to them. A new molecular entity (NME) created as a pharmaceutical can take up to a decade and a billion dollars to bring to market. Granted, the biggest costs are in the clinical trials but the synthetic route and the time to discover and make the compound – and purify it – plays a major role within drug discovery and development. This timeline is not helped by the ever increasingly difficult-to-synthesize compounds being investigated as drug candidates today.
With that in mind, this post focuses on ways to speed the purification process without sacrificing purity and yield.
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Flash chromatography – a purification tool for both organic chemists and natural product researchers. This tool is essential when you need to remove impurities from your targeted product, or products, in order to get them pure. To reduce the costs associated with flash chromatography, some chemists try reusing the same column over and over, not always with success.
A question I am frequently asked is “how many times can I reuse my flash column?” Although I have previously addressed this topic, I feel it is worth another look. In this post, I will attempt to address this question by providing a bit more science behind the cartridge reuse question.
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