227089-29-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227089-29-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,0,8 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 227089-29:
(8*2)+(7*2)+(6*7)+(5*0)+(4*8)+(3*9)+(2*2)+(1*9)=144
144 % 10 = 4
So 227089-29-4 is a valid CAS Registry Number.