656822-35-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 656822-35-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,6,8,2 and 2 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 656822-35:
(8*6)+(7*5)+(6*6)+(5*8)+(4*2)+(3*2)+(2*3)+(1*5)=184
184 % 10 = 4
So 656822-35-4 is a valid CAS Registry Number.