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1,7-Octadiyne-4,4,5,5-tetracarboxylic acid, tetraethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

329229-87-0

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329229-87-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 329229-87-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,9,2,2 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 329229-87:
(8*3)+(7*2)+(6*9)+(5*2)+(4*2)+(3*9)+(2*8)+(1*7)=160
160 % 10 = 0
So 329229-87-0 is a valid CAS Registry Number.

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