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850855-57-1

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850855-57-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 850855-57-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,8,5 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 850855-57:
(8*8)+(7*5)+(6*0)+(5*8)+(4*5)+(3*5)+(2*5)+(1*7)=191
191 % 10 = 1
So 850855-57-1 is a valid CAS Registry Number.

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