99979-93-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99979-93-8 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, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 99979-93:
(7*9)+(6*9)+(5*9)+(4*7)+(3*9)+(2*9)+(1*3)=238
238 % 10 = 8
So 99979-93-8 is a valid CAS Registry Number.