Handbook, Aldrich chemical Merck

Technique 29, Section 29.11). You may need to search a computerized database to get the necessary information, or you may be able to find it in the Aldrich Catalog Handbook of Fine Chemicals, issued by the Aldrich Chemical Company. Current issues of this catalogue include listings of substances by CAS number. In your report, you should also report the relative percentage of the substance in the tablet extract. Finally, your instructor may also ask you to include the "quality" parameter from the "hit list." If possible, determine which components have antihistamine activity and which ones are present for another purpose. The Merck Index may provide this information. 

You should list physical constants such as melting points, boiling points, densities, and molecular weights in the notebook when this information is needed to perform an experiment or to do calculations. These data are located in sources such as the CRC Handbook of Chemistry and Physics, The Merck Index, Lange s Handbook of Chemistry, or Aldrich Handbook of Fine Chemicals. Write physical constants required for an experiment in your notebook before you come to class. 

The best way to find information quickly on organic compoimds is to consult a handbook. We will discuss the use of the CRC Handbook of Chemistry and Physics, Lange s Handbook of Chemistry, The Merck Index, and the Aldrich Handbook of Fine Chemicals. Complete citations to these handbooks are provided in Technique 29. Depending on the type of handbook consulted, the following information may be found ... 

Complete citations for these references can be found in Technique 29. Although the CRC Handbook has good tables, it adheres strictly to lUPAC nomenclature. For this reason, it may be easier to use one of fhe ofher references, particularly The Merck Index or the Aldrich Handbook of Fine Chemicals, in your first attempt to locate information (see Technique 4). 

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