220264-01-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220264-01-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,2,6 and 4 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 220264-01:
(8*2)+(7*2)+(6*0)+(5*2)+(4*6)+(3*4)+(2*0)+(1*1)=77
77 % 10 = 7
So 220264-01-7 is a valid CAS Registry Number.