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CAS Registry Numbers on STN: Conclusion.

Conclusion

Now that you have been introduced to online searching in the REGISTRY File, you have the tools to find the CAS Registry Number that matches your substance. After studying the information and practicing the commands in this booklet, you will be able to find and verify Registry Numbers in many cases. You will also have an idea of when to get help and where to find it. STN welcomes the opportunity to answer your questions to help you get the information you need.