1022-56-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1022-56-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,2 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1022-56:
(6*1)+(5*0)+(4*2)+(3*2)+(2*5)+(1*6)=36
36 % 10 = 6
So 1022-56-6 is a valid CAS Registry Number.