The index is currently published in three forms: print edition, CD-ROM edition and online edition.
The CD-ROM version of Merck Index can be used by simple installation, which provides great convenience for finding relevant information quickly. The CD can be used for text search and structure search. Structural retrieval can be used to retrieve the whole structure or substructure of a substance. Text retrieval provides three retrieval methods (such as quick search, menu search and command search) (as shown in the right picture). Logical collocation (AND, OR, NOT) and truncation (*,? ) retrieval. Text search items include various names, commodity codes, CA registration numbers, sources, various physical constants, properties, uses, toxicity and references of compounds (see the table below).
Search for other details of various physical constants of the project name: common name, chemical abstract name, trade name, synonym name, derivative type, etc. The name can be a full name or a partial name. Molecular weight, density, boiling point, melting point, refractive index, optical rotation value, ultraviolet absorption value, toxicity and other structural formulas (structures), molecular formulas, drug codes, and the list of search items provided by Merck Index CD-ROM, such as CAS registration number and manufacturer name.
In addition, there is a name reaction library, which has collected more than 400 organic chemical reactions. Under "Forms", five data tables are provided: amino acid abbreviations, cancer chemotherapy schemes, company code letters, company registration and glossary.
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