CAS Registry Lookup Service

Get an exact computer-match of your chemical name or CAS Registry Number® against CAS REGISTRY®. The results of the search will be returned to you within 24 hours (excluding holidays and weekends). If your chemical name or CAS Registry Number matches a record in CAS REGISTRY, a print of that record will be returned with your results. The current cost is $70 per substance name or CAS Registry Number searched.

CAS Registry Lookup Service

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A signature below is required before the requested Registry Lookup Service will be performed. This acknowledges acceptance of the CAS Registry Services Terms and Conditions, CAS Information Use Policy, and CAS Privacy Policy.

No other terms or conditions shall apply to this service, including any terms set forth in any Purchase Order submitted by Customer. Acceptance of a Purchase Order by CAS will be for payment purposes only and none of the terms in a Purchase Order will be binding upon CAS. Under no circumstances shall performance of the CAS Registry Services constitute acceptance of any additional or different terms.

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By checking this box, you acknowledge that you accept the CAS Registry Services Terms and Conditions, CAS Information Use Policy, and CAS Privacy Policy.*

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Your privacy is important to CAS. More detail about how we use your information is in our privacy policy.

CAS Registry Lookup Service

CAS Registry Lookup Service

Customer requesting information

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