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Structure Searching in the CAS Registry File on STN

Structure Searching in the CAS Registry File on STN (~3.8MB PDF file) is designed to teach the basic techniques for building and searching structures in REGISTRY and LREGISTRY by using either STN Express with Discover! or STN on the Web^SM.

If you are using this manual to teach others, you can also use a slide Structure Searching in the CAS Registry File - Presentation (~101K PDF file).

Structure Searching in the CAS Registry File -Practice Problems (~196K PDF file) are also available.

(Adobe Reader is required for viewing PDF files).

Content of this manual:

• Preface
• Lesson 1 - Overview of Structure Building
• Lesson 2 - Types of Structure Searches in REGISTRY
• Lesson 3 - Refining Substructure Search Queries To Increase Precision
• Lesson 4 - Refining Substructure Search Queries To Broaden Retrieval
• Lesson 5 - Adding Variability to the Structure
• Section 6 - Summary
• Section 7 - Cost of Structure Searching in REGISTRY
• Section 8 - Practice Problems

Hard copies of this manual, answers to the practice problems, and reference materials cited in the lessons may be obtained from CAS Customer Care.

Quoting or copying of material from this publication for educational purposes is encouraged, providing that acknowledgment is made that Chemical Abstracts Service (CAS) is the source of the material.