Submitting Compounds for Biological Testing

Certain physical and chemical properties of the samples are useful to the biologists who test them, so the registration forms provide room to note them. Water solubility is an example. Measuring this solubility, however, may not be required if the biologists test the samples as solutions in other solvents or as suspensions. However, the biologists practices and requirements vary from time to time. 

If the sample is a salt, then submitters make sure to note this point. For the addition salts that amines form, they state the acid used. Similarly they indicate the cation in carboxylate and other acid salts. For biologists preparing solutions of known molarity, it is essential to know which acids and cations the salt contains. 

Spectrometric properties allow succeeding chemists to recognize the sample and provide an evidentiary trail that patent lawyers can easily follow in the case of a patent dispute. In the registration form, therefore, submitters note the kinds and numbers of the spectra they or others recorded. A structural drawing and the chemical name complete the form. 

Sample number and weight, both referred to a traceable notebook entry Handling and storing precautions, if any Selected physical and chemical properties Submitter s name 

Molecular weight, empirical formula, structural drawing, and chemical name 

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