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ChemOffice.Com - CambridgeSoft

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Administrator<br />

The Table view appears. Browse to verify that<br />

the molecular weights are correct.<br />

NOTE: A molecular weight query is a decimal value or<br />

range. The precision of the search depends on the number of<br />

significant digits entered. For more information on molecular<br />

weight searching, see “Numeric Searches” on page 318.<br />

Substructure Searching<br />

To enter a query and search for a substructure:<br />

1. From the Search menu, choose Enter Query.<br />

The form is cleared to allow you to enter your<br />

search terms. The status indicator in the status<br />

bar is changed to remind you that you are in<br />

query mode and the color of the form may<br />

change.<br />

To set the correct options for a substructure search:<br />

1. From the Search menu, select Substructure if<br />

it is not already selected.<br />

2. From the Search menu, deselect Similarity if<br />

it is selected.<br />

NOTE: You can also set search preferences on the<br />

Search tab of the Preferences dialog box. For more<br />

information, see Chapter 24, “Customizing<br />

ChemFinder” on page 341<br />

The Search menu should appear as follows:<br />

2. Double-click in the Structure box.<br />

A blue box is displayed around the Structure<br />

box and the ChemDraw ActiveX toolbar<br />

appears.<br />

3. Draw benzene.<br />

3. From the Search menu, choose Find.<br />

ChemFinder begins searching. The progress of<br />

the search is indicated by counters in the status<br />

bar at the bottom of the window.<br />

When the search is complete, the number of<br />

hits is displayed in the Current List Size<br />

window of the Status Bar, and the form<br />

displays the first hit.<br />

242•ChemFinder Tutorials<br />

<strong>CambridgeSoft</strong><br />

Tutorial 4: Searching a Database

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