229031-53-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 229031-53-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,9,0,3 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 229031-53:
(8*2)+(7*2)+(6*9)+(5*0)+(4*3)+(3*1)+(2*5)+(1*3)=112
112 % 10 = 2
So 229031-53-2 is a valid CAS Registry Number.