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71937-66-1

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71937-66-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71937-66-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,3 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 71937-66:
(7*7)+(6*1)+(5*9)+(4*3)+(3*7)+(2*6)+(1*6)=151
151 % 10 = 1
So 71937-66-1 is a valid CAS Registry Number.

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