1133931-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1133931-03-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,3,9,3 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1133931-03:
(9*1)+(8*1)+(7*3)+(6*3)+(5*9)+(4*3)+(3*1)+(2*0)+(1*3)=119
119 % 10 = 9
So 1133931-03-9 is a valid CAS Registry Number.