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770683-82-4

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770683-82-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 770683-82-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,0,6,8 and 3 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 770683-82:
(8*7)+(7*7)+(6*0)+(5*6)+(4*8)+(3*3)+(2*8)+(1*2)=194
194 % 10 = 4
So 770683-82-4 is a valid CAS Registry Number.

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