CAS Registry Services Information Request

Overcome challenges of inaccurate or incomplete chemical substance information by partnering with the experts at CAS Registry Services to get accurate and reliable information, including CAS Registry Numbers, CA Index Names, and other substance data needed to facilitate regulatory submissions and enhance scientific data management.

Let CAS Registry Services find or confirm CA Index Names or CAS Registry Numbers for known substances, or assign a CAS Registry Number, and provide a substance name, chemical structure, process description, sequence, or other identifier for new substances.

Complete the form below to request more information, or to let us know how we can help you.

CAS Registry Services Information Request

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