99992-15-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99992-15-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,9 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99992-15:
(7*9)+(6*9)+(5*9)+(4*9)+(3*2)+(2*1)+(1*5)=211
211 % 10 = 1
So 99992-15-1 is a valid CAS Registry Number.