676542-62-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 676542-62-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,6,5,4 and 2 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 676542-62:
(8*6)+(7*7)+(6*6)+(5*5)+(4*4)+(3*2)+(2*6)+(1*2)=194
194 % 10 = 4
So 676542-62-4 is a valid CAS Registry Number.