99879-75-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99879-75-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,7 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99879-75:
(7*9)+(6*9)+(5*8)+(4*7)+(3*9)+(2*7)+(1*5)=231
231 % 10 = 1
So 99879-75-1 is a valid CAS Registry Number.