Is CAS Number confidential?

Is CAS Number confidential?

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 and not a new CAS Registry Number.

What is the purpose of a CAS registry number?

A. CAS Registry Numbers (often referred to as CAS RN® or CAS Numbers) are universally used to provide a unique, unmistakable identifier for chemical substances.

What is the CAS database?

Chemical Abstracts Service (CAS), a division of the American Chemical Society, last week officially launched Common Chemistry, a free online database containing information on 7,800 chemicals of widespread and general interest as well as all 118 elements from the periodic table.

How many CAS Numbers are there?

The first part contains two to seven digits, the second part contains two digits, and the third part consists of just one digit, known as the check digit. In their current format, there are a maximum of one billion unique CAS numbers available.

Where can I find my CAS number?

To find the CAS number of a compound given its name, formula or structure, the following free resources can be used:

• NLM,NIH ChemIDplus.
• NIST Chemistry WebBook.
• NCI/CADD Chemical Identifier Resolver.
• ChemSub Online (Multilingual chemical names)
• NIOSH Pocket Guide to Chemical Hazards, index of CAS numbers.

How do I find CAS Registry Number?

To find the CAS number of a compound given its name, formula or structure, the following free resources can be used:

1. NLM,NIH ChemIDplus.
2. NIST Chemistry WebBook.
3. NCI/CADD Chemical Identifier Resolver.
4. ChemSub Online (Multilingual chemical names)
5. NIOSH Pocket Guide to Chemical Hazards, index of CAS numbers.

How do I check if a CAS number is valid?

CAS Numbers are always constructed from right to left, where the check digit (Z) is used to confirm the validity and uniqueness of the identifier. It is found by taking the first digit times 1, the second times 2, etc. and then taking the modulo 10 of the summation.

How do I find CAS number?

How do I verify a CAS number?

Validation Check CAS Numbers are always constructed from right to left, where the check digit (Z) is used to confirm the validity and uniqueness of the identifier. It is found by taking the first digit times 1, the second times 2, etc. and then taking the modulo 10 of the summation.

How do you get a CAS number?

How to request a CAS

1. Step 1: Log into OSIS to request your CAS. As part of the CAS request process in OSIS, we will ask you for details on the following:
2. Step 2: Upload all supporting documents. Log in to OSIS.
3. Step 3: Approve draft CAS.

What does a CAS number look like?

What does a CAS Registry Number look like? A CAS Registry Number is a numeric identifier that can contain up to 10 digits, divided by hyphens into three parts. For example, 58-08-2 is the CAS Registry Number for caffeine.