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

Each entry (monograph) follows a standardized format to ensure rapid data retrieval:

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, ...

The index is designed for professionals and students in pharmacy, biochemistry, medicine, and toxicology. Its primary function is to provide consolidated data on: Each entry (monograph) follows a standardized format to

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