696620-77-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 696620-77-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,6,6,2 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 696620-77:
(8*6)+(7*9)+(6*6)+(5*6)+(4*2)+(3*0)+(2*7)+(1*7)=206
206 % 10 = 6
So 696620-77-6 is a valid CAS Registry Number.