Merck Index

The Merck Index is an encyclopedia of chemicals, drugs and biologicals with over 10,000 monographs on single substances or groups of related compounds[1] published online by the Royal Society of Chemistry.

[2] The American subsidiary was established two years later and continued to publish it.

In 2012 the Merck Index was licensed to the Royal Society of Chemistry.

[3] An online version of The Merck Index, including historic records and new updates not in the print edition,[1] is commonly available through research libraries.

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