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CompoundList blog
Practical articles for people who buy and sell chemicals. Supplier checks, quality documents, grades, RFQs and the day to day of chemical sourcing.
Illustrative imageFeatured articleSourcing
Seven practical checks experienced buyers make before the first payment, from official company registers and certificate lookups to sample testing and safe payment terms.
Formulation
A structured way to choose an emulsifier for creams and lotions: emulsion type, HLB and its limits, emulsifier families, formula fit, stability testing and what to ask suppliers.
Quality
The parts of a complete COA, how to read it against your specification, the warning signs of a weak or copied certificate and how to verify results.
Quality
What the Indian, British, US and European pharmacopoeias are, how their monographs differ, what multi grade claims mean and why a grade alone does not make a product fit for medicines.
Sourcing
What suppliers need to quote quickly and comparably: exact product identity, quantity and packing, delivery terms, documents, samples and payment, with a ready to use template.
Free chemistry tools
Calculators and references that run in your browser, no sign-up needed
Chemical trade glossary
Plain definitions of GHS, Incoterms, grades, regulatory and lab terms
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