You would think that finding the correct structure of Vitamin K1 online in public domain resources would be an easy exercise. But not so fast. Using the assertion that the chemical structure is correct in the Merck Index, and then wandering through CAS’s Common Chemistry to validate this assumption, this short movie takes us through Wikipedia, Wolfram Alpha, KEGG, DrugBank, PubChem and other online resources to show how complex and impure the public domain databases are in terms of resourcing good quality name-structure associations for chemicals. Vitamin K1 is actually a rather simple chemical structure. Finding the correct chemical structure online…not so simple.
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