99979-75-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99979-75-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,7 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99979-75:
(7*9)+(6*9)+(5*9)+(4*7)+(3*9)+(2*7)+(1*5)=236
236 % 10 = 6
So 99979-75-6 is a valid CAS Registry Number.