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Chemical procurement of a large compound library for drug screening can be a more complex task than it first appears. The process can be time-consuming, requiring the right team and expertise, defining your compound library list, and handling supplier negotiations, logistics, formatting, and budget concerns.<\/p>\n
In this overview, we take you through the chemical procurement workflow for drug screening libraries start to finish, identifying the challenges at each stage and how you can implement strategies to overcome them.<\/p>\n
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<\/strong><\/h2>\nManaging a large library acquisition can span multiple departments and require the right people in the right roles.<\/p>\n
From procurement to accounting and legal, you can reduce complexity by involving all the relevant departments early-on in the process. Both the accounting and legal teams will have a lot of documentation to process, so giving them time to do their work will help your procurement process run smoothly.<\/p>\n
An experienced project manager is vital to making sure your project goes well. If you don\u2019t have the right people and facilities in-house, then expert project consultants can be found at companies such as MolPort. With years of experience in chemical sourcing, they can guide you through the entire process, including:<\/p>\n
Find out more about MolPort\u2019s smart compound sourcing services<\/a><\/p>\n Selection of compound library components is one of the most difficult and complex tasks in chemical acquisition. The process will vary depending on the specifics of your project. However, advances in cheminformatics \u2013 particularly docking simulations \u2013 are providing increasingly useful information to help scientists with library selection.<\/p>\n Generally, if you know the structure of your biological drug target, docking simulations can help\u00a0create a focused and targeted library. Also, if you have knowledge on active compounds, ligand-based methods can help you to include compounds similar to the active one. On the other hand, if there is little information available on the structure of the biological target and\/or its ligands are not known, it is usually preferable to increase your library diversity.<\/p>\n Additionally, cheminformatics can be used to explore the physiochemical properties of compounds (e.g., adsorption, distribution, metabolism excretion, and toxicity).\u00a0 This helps assess their potential suitability as a drug candidate and supports the creation of a carefully curated and well-defined compound list.<\/p>\n Equally important, are supplier and logistics considerations. You might wish to start with a longer list of compounds to give you flexibility when negotiating with suppliers and allow for compound attrition. For example, if you find some compounds are unavailable, controlled, have long lead times, or are out of budget, then a longer initial list can help in the selection of alternatives.<\/p>\n Also, exploring alternatives at an early stage can help further downstream. For instance, if a screening hit or lead has fundamental flaws \u2013 such as poor solubility \u2013 your list can serve as a useful resource for further screening efforts.<\/p>\n Researching compounds for a screening library can be time-consuming and requires a reliable and up-to-date chemical database. MolPort has developed a rich set of supplier and compound data with over 100 million SKUs and daily updates on 70% of compounds \u2013 so you can be sure that your information is always up to date. MolPort also provides free data access tools, chemical intelligence (including salt handling, stereochemistry, and solubility), and flexible database download options that strengthen library design and compound selection.<\/p>\n Explore a comprehensive chemical database<\/a><\/p>\n Once you have curated a list of compounds you need, the next\u00a0\u00a0steps are finding and selecting suppliers, requesting quotations, and carrying out negotiations. While companies like MolPort can take care of most of this for you, there are some things you need to consider, even when outsourcing much of the work.<\/p>\n Starting the procurement process as early as possible and setting realistic deadlines is key to success. Instruments for library screening often need to be booked in advance, and project and financing deadlines require the delivery of compounds within a set timeframe. Deadlines and timeframes must factor in details such as supplier lead times, national holidays, and unforeseen delays.<\/p>\n Defining your budget is another important aspect of compound library procurement.\u00a0Having an idea of budget before generating your compound library list can help guide your chemists and informaticians. However, it is essential to know your budget to steer negotiations at the procurement stage.<\/p>\n While it\u2019s important not to cut corners, you may be able to bring costs down to meet your budget by:<\/p>\n2. Selecting your compound library<\/strong><\/h2>\n
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<\/strong><\/h2>\n![\"Reliable](\"https:\/\/blog.molport.com\/wp-content\/uploads\/2022\/03\/Library-Acquisition-Guide_bildes-09-300x284.png\")
<\/strong><\/h2>\n3. Procuring your library list<\/strong><\/h2>\n
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Keeping an eye out for promotional discounts or opting for large or<\/li>\n
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<\/p>\n![\"TIme](\"https:\/\/blog.molport.com\/wp-content\/uploads\/2022\/03\/Library-Acquisition-Guide_bildes-04-229x300.png\")
<\/p>\n![\"Logistics](\"https:\/\/blog.molport.com\/wp-content\/uploads\/2022\/03\/Library-Acquisition-Guide_bildes-07-300x211.png\")
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