226947-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 226947-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,9,4 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 226947-20:
(8*2)+(7*2)+(6*6)+(5*9)+(4*4)+(3*7)+(2*2)+(1*0)=152
152 % 10 = 2
So 226947-20-2 is a valid CAS Registry Number.