The Merck Index: An Encyclopedia Of Chemicals, ... ✦ Latest

: First published in 1899 by Merck & Co. as a catalog of medicinal 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 The Merck Index: An Encyclopedia of Chemicals, ...

: 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 : First published in 1899 by Merck & Co

: Organic, inorganic, and organometallic substances. published in 2013