99979-58-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99979-58-5 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, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 99979-58:
(7*9)+(6*9)+(5*9)+(4*7)+(3*9)+(2*5)+(1*8)=235
235 % 10 = 5
So 99979-58-5 is a valid CAS Registry Number.