Results for conversion of either structure -> CAS Registry Numbers® or CAS Registry Numbers® -> structure are retrieved from publicly available sources hosted by the U.S. National Institutes of Health (“NIH”) and the Wikimedia Foundation.
CONFIDENTIALITY ALERT! For structure -> CAS Registry Numbers® conversion, each structure will be sent out to public database server to retrieve CAS Registry Numbers®. Please do not choose this option if any structure is confidential. You are taking full responsibility and ChemAxon shall assume no liability whatsoever if you proceed further.
CAS Registry Number® is a registered trademark of the American Chemical Society.
CAS, a division of the American Chemical Society, is the authoritative source for a CAS Registry Number®. Please contact CAS at firstname.lastname@example.org for more information about assignment and validation of a CAS Registry Number®.