1131229-59-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1131229-59-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,1,2,2 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1131229-59:
(9*1)+(8*1)+(7*3)+(6*1)+(5*2)+(4*2)+(3*9)+(2*5)+(1*9)=108
108 % 10 = 8
So 1131229-59-8 is a valid CAS Registry Number.