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689767-75-7

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689767-75-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 689767-75-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,9,7,6 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 689767-75:
(8*6)+(7*8)+(6*9)+(5*7)+(4*6)+(3*7)+(2*7)+(1*5)=257
257 % 10 = 7
So 689767-75-7 is a valid CAS Registry Number.

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