13545-91-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13545-91-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,5,4 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13545-91:
(7*1)+(6*3)+(5*5)+(4*4)+(3*5)+(2*9)+(1*1)=100
100 % 10 = 0
So 13545-91-0 is a valid CAS Registry Number.