227957-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227957-03-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,9,5 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 227957-03:
(8*2)+(7*2)+(6*7)+(5*9)+(4*5)+(3*7)+(2*0)+(1*3)=161
161 % 10 = 1
So 227957-03-1 is a valid CAS Registry Number.