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2,5-di-p-tolyl-2,5-dihydro-pyrazine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

56683-86-4

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56683-86-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56683-86-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,6,8 and 3 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 56683-86:
(7*5)+(6*6)+(5*6)+(4*8)+(3*3)+(2*8)+(1*6)=164
164 % 10 = 4
So 56683-86-4 is a valid CAS Registry Number.

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