99513-78-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99513-78-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,5,1 and 3 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 99513-78:
(7*9)+(6*9)+(5*5)+(4*1)+(3*3)+(2*7)+(1*8)=177
177 % 10 = 7
So 99513-78-7 is a valid CAS Registry Number.