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68777-23-1

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68777-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68777-23-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,7,7 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 68777-23:
(7*6)+(6*8)+(5*7)+(4*7)+(3*7)+(2*2)+(1*3)=181
181 % 10 = 1
So 68777-23-1 is a valid CAS Registry Number.

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