99307-10-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99307-10-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,3,0 and 7 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99307-10:
(7*9)+(6*9)+(5*3)+(4*0)+(3*7)+(2*1)+(1*0)=155
155 % 10 = 5
So 99307-10-5 is a valid CAS Registry Number.