The Merck Index: An Encyclopedia Of Chemicals, ... May 2026

: Vitamins, hormones, proteins, and plant extracts.

: First published in 1899 by Merck & Co. as a catalog of medicinal substances.

Each entry (monograph) follows a standardized format to ensure rapid data retrieval: The Merck Index: An Encyclopedia of Chemicals, ...

: Approved and investigational drugs, including dosages and pharmacological profiles.

The index is designed for professionals and students in pharmacy, biochemistry, medicine, and toxicology. Its primary function is to provide consolidated data on: : Vitamins, hormones, proteins, and plant extracts

: Hazard classifications, handling precautions, and toxicity data. History and Publishing

: 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 published in 2013

: Organic, inorganic, and organometallic substances.