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217798-58-8

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217798-58-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 217798-58-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,7,9 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 217798-58:
(8*2)+(7*1)+(6*7)+(5*7)+(4*9)+(3*8)+(2*5)+(1*8)=178
178 % 10 = 8
So 217798-58-8 is a valid CAS Registry Number.

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