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Inventory Expert Service

Avoid delays when submitting EPA pre-manufacture notice applications and get to market faster by ensuring you have the complete and accurate chemical substance information.

Start your request

The CAS Inventory Expert Service helps you complete your EPA TSCA PMN application under the Revisions of Premanufacture Notification Regulations: Final Rule to obtain CA Index Names and CAS Registry Numbers® from the CAS chemists who compile, search, and maintain the TSCA Inventory.

1

Review CAS confidentiality policies and procedures here.

2

Review What To Include for Inventory Expert Service. This document lists the requirements for the complete chemical identity for Class 1 and Class 2 substances. Submit the same chemical identity information to the IES that will be submitted to the EPA.

3

Complete the EPA PMN Form. Complete Part I, Section B (pages 4-6) and Part II, Section A (page 8, if applicable). The form should be completed and submitted to both the EPA and CAS.

4

Submit your request using the form on this page. The EPA PMN Form pages noted above, or equivalent information should be uploaded with this form.

Inventory Expert Service

A CA Index Name is the standard output for substances submitted to the CAS Inventory Expert Service. If your substance has an existing CAS Registry Number®, it will also be provided to you. If you would like to have a new CAS Registry Number assigned to your substance, and/or require the "Super Rush" service, please check the appropriate box(es).

Note: If you request assignment of a new CAS Registry number for a substance not already present in the CAS Registry system, that assignment will make your substance publicly available in CAS Registry®. Customer identity information will be kept confidential. If you wish to maintain confidentiality for your Substance's identity, you should request only a CA Index Name or retrieval of an existing CAS Registry number.

Customer requesting information

A signature below is required before the requested Inventory Expert 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.

As an authorized individual, by typing my name below, I accept the above terms provided in this Order Form.

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Contact us

CAS service professionals are available to answer questions and help you with requests.

800.631.1884 (North America)
614.447.3870
(Outside North America)
answers@cas.org

Frequently asked questions

What is the Inventory Expert Service?

What is Inventory Expert Service’s relationship to CAS?

How do I get started with Inventory Expert Service?

What turn-around time can I expect for the service?

Is rush service available?

How do you charge for your services?

What experience does the Inventory Expert Service team have?

What information needs to be provided for Inventory Expert Service?

What options are available for delivery of results?

What options are available for results?

Is this service confidential?

What if I have questions about my results?

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