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Toluene-4-sulfonic acid 2-((4aS,6aR,7R,9aR)-8,8-dimethyl-2,5-dioxo-decahydro-pentaleno[1,6a-c]pyran-7-yl)-ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

83588-40-3

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83588-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83588-40-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,5,8 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 83588-40:
(7*8)+(6*3)+(5*5)+(4*8)+(3*8)+(2*4)+(1*0)=163
163 % 10 = 3
So 83588-40-3 is a valid CAS Registry Number.

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