1225227-25-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1225227-25-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,5,2,2 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1225227-25:
(9*1)+(8*2)+(7*2)+(6*5)+(5*2)+(4*2)+(3*7)+(2*2)+(1*5)=117
117 % 10 = 7
So 1225227-25-7 is a valid CAS Registry Number.