134045-13-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134045-13-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,0,4 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 134045-13:
(8*1)+(7*3)+(6*4)+(5*0)+(4*4)+(3*5)+(2*1)+(1*3)=89
89 % 10 = 9
So 134045-13-9 is a valid CAS Registry Number.