697286-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 697286-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,7,2,8 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 697286-77:
(8*6)+(7*9)+(6*7)+(5*2)+(4*8)+(3*6)+(2*7)+(1*7)=234
234 % 10 = 4
So 697286-77-4 is a valid CAS Registry Number.