99617-50-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99617-50-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,6,1 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99617-50:
(7*9)+(6*9)+(5*6)+(4*1)+(3*7)+(2*5)+(1*0)=182
182 % 10 = 2
So 99617-50-2 is a valid CAS Registry Number.