99106-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99106-87-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,1,0 and 6 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 99106-87:
(7*9)+(6*9)+(5*1)+(4*0)+(3*6)+(2*8)+(1*7)=163
163 % 10 = 3
So 99106-87-3 is a valid CAS Registry Number.