227012-71-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227012-71-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,0,1 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 227012-71:
(8*2)+(7*2)+(6*7)+(5*0)+(4*1)+(3*2)+(2*7)+(1*1)=97
97 % 10 = 7
So 227012-71-7 is a valid CAS Registry Number.