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File Description [top]

The Merck Index Online^SM is the online version of the monographs in the printed 14th Edition of The Merck Index (a U.S. publication, Whitehouse Station, N.J., USA), an internationally recognized, one-volume encyclopedia of chemicals, drugs, and biologicals. Each monograph in the encyclopedia (each record in the database) discusses a single chemical entity or a small group of very closely-related compounds. Updates contain material not yet available in print.

Records contain:

• chemical, common, generic and systematic names (including CAS^® names)
• trademarks and associated companies
• CAS^® Registry Numbers
• molecular formulae, weights and percentage composition
• capsule statements identifying compound classes and scientific significance
• chemical, biomedical and patent literature references
• physical and toxicity data
• therapeutic and commercial uses
• caution and hazard information

The 14th Edition also contains "retired" records from earlier editions of The Merck Index which still contain valuable information but are no longer being updated with new information

Tips [top]

Subject Coverage [top]

• human and veterinary drugs
• biotech drugs and monoclonal antibodies
• substances used for medical imaging
• biologicals and natural products
• plants and herbal medicines
• agricultural chemicals (including pesticides and herbicides)
• organic and inorganic chemicals used in commerce and research
• laboratory reagents and catalysts
• dyes, colors and indicators
• environmentally significant substances

Sources [top]

Records contain active citations to and information from approximately 800 international chemical, biomedical,and clinical journals; patents issued by 30 countries; books; proceedings; and other standard reference works. Retired citations which are also included but are not longer updated.

Print Counterparts [top]

• The Merck Index

Dialog File Data [top]

Document Types Indexed [top]

• Chemical Substances

Geographic Coverage [top]

• International

Geographic Restrictions [top]

• None

Special Features [top]

• ERA Available
• Graduate Education Program
• KWIC and HILIGHT Available
• MAP Available

DialIndex/OneSearch Categories [top]

Contact [top]

Terms and Conditions [top]

The Merck Index Online^SM is a service mark of Merck & Co., Inc., Whitehouse Station, N.J., USA. The Merck Index copyright by Merck & Co. Inc., 2009. All rights reserved. Merck & Co. Inc. cannot be responsible for errors in publication or for any consequences arising from use of the information contained in The Merck Index Online. Reference to original sources is encouraged.

SAMPLE RECORD [top]

BASIC INDEX [top]

¹ Searchable in the Basic Index and in the Additional Indexes. Any numeric values are searchable in the Basic Index using the (W) operator, e.g. S 143(W)144(W)5/PP

² All chemical names are indexed as complete phrases, individual words, and chemically significant segments of words. Use /FW to restrict retrieval to the complete term, e.g., S ETHANE/FW to only select ethane as a single word rather than as a segment of a larger chemical term, such as trichloroethane.

³ Searchable as /DP in the Basic Index and using DP= or RP= in the Additional Indexes.

⁴ Includes Monograph Name (/MN, MN=), C.A. Names (/CN, CN=), Brand Names (/TN, TN=), Derivative Names (/DERIV), Drug Codes (/SY, SY=), and Synonyms (/SY, SY=).

⁵ Recent records include the URLs which can be used to locate the original article based on the DOI (digital object identifier) or the PUBMED identifier. Although not provided as hot links, the URL can be pasted into any internet browse by copying the URL string contained in the record..

⁶ Searchable using /TC in the Basic Index and using TC= or TV= in the Additional Indexes.

ADDITIONAL INDEXES [top]

⁷ Numeric values can be entered in several different ways: directly as a number, e.g. S BP=100:0; or in exponential notation, e.g. S BP=1E2. Letter abbreviations are also available: K for thousand; M for million, B for billion, e.g. S BP=0.5K:1.0K. To search a range of values, use a colon between starting and ending value, e.g. S BP=78:79 OR use numeric operators (>, <, >=, and <=), e.g. S 78<=BP<=79.

LIMIT [top]

SORT [top]

RANK [top]

MAP [top]

USER-DEFINED FORMAT OPTIONS [top]

PREDEFINED FORMAT OPTIONS [top]

DIRECT RECORD ACCESS [top]

Rates [top]

Rates For File: The Merck Index OnlineSM[304]
Cost per DialUnit:                 $1.30
Cost per minute:                   $0.58
Rank Elements                      $0.00

Format    Types   Prints
     1    $0.00    $0.00
     2    $3.00    $3.00
     3    $3.00    $3.00
     4    $3.00    $3.00
     5    $3.00    $3.00
     6    $0.00    $0.00
     7    $3.00    $3.00
     8    $0.00    $0.00
     9    $3.00    $3.00
KWIC95    $0.40       NA
KWIC96    $0.40       NA

REDIST/COPY Multiplier Table:

      Range      Multiplier
        1-2       1.00
       3-25       1.50
     26-100       3.00
    101-200       4.00
    201-500       6.00
   501-1000       8.00
 1001 or more    10.00

ARCHIVE Multiplier Table:

      Range      Multiplier
       1-25       1.50
     26-200       3.00
    201-500       6.00
   501-1000       8.00
 1001 or more    10.00