: The 15th edition, published in 2013, was the first by the RSC and included more than 500 new monographs and 1,000 new graphical chemical structures. Structure of a Monograph Entry
is the globally recognized "Chemistry's Constant Companion," providing a comprehensive database of over 10,000 monographs. Since its first publication in 1889, it has served as an authoritative reference for chemical, pharmaceutical, and biomedical information. Scope and Purpose The Merck Index: An Encyclopedia of Chemicals, ...
Each entry (monograph) follows a standardized format to ensure rapid data retrieval: : The 15th edition, published in 2013, was
: Vitamins, hormones, proteins, and plant extracts. Scope and Purpose Each entry (monograph) follows a
: Approved and investigational drugs, including dosages and pharmacological profiles.
: In 2012, the Royal Society of Chemistry (RSC) acquired the rights to publish the index.
: First published in 1899 by Merck & Co. as a catalog of medicinal substances.