1013909-09-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1013909-09-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,3,9,0 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1013909-09:
(9*1)+(8*0)+(7*1)+(6*3)+(5*9)+(4*0)+(3*9)+(2*0)+(1*9)=115
115 % 10 = 5
So 1013909-09-5 is a valid CAS Registry Number.