690616-03-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 690616-03-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,6,1 and 6 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 690616-03:
(8*6)+(7*9)+(6*0)+(5*6)+(4*1)+(3*6)+(2*0)+(1*3)=166
166 % 10 = 6
So 690616-03-6 is a valid CAS Registry Number.