... | The Merck Index: An Encyclopedia Of Chemicals,

: Vitamins, hormones, proteins, and plant extracts.

: Organic, inorganic, and organometallic substances. The Merck Index: An Encyclopedia of Chemicals, ...

: Approved and investigational drugs, including dosages and pharmacological profiles. : Vitamins, hormones, proteins, and plant extracts

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 and plant extracts. : Organic

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

: 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: