226570-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 226570-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,5,7 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 226570-52:
(8*2)+(7*2)+(6*6)+(5*5)+(4*7)+(3*0)+(2*5)+(1*2)=131
131 % 10 = 1
So 226570-52-1 is a valid CAS Registry Number.