: In 2012, the Royal Society of Chemistry (RSC) acquired the rights to publish the index.
: Vitamins, hormones, proteins, and plant extracts.
: Approved and investigational drugs, including dosages and pharmacological profiles. The Merck Index: An Encyclopedia of Chemicals, ...
: Organic, inorganic, and organometallic substances.
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 : In 2012, the Royal Society of Chemistry
Each entry (monograph) follows a standardized format to ensure rapid data retrieval:
: Hazard classifications, handling precautions, and toxicity data. History and Publishing : In 2012
: First published in 1899 by Merck & Co. as a catalog of medicinal substances.