99843-62-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99843-62-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,4 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99843-62:
(7*9)+(6*9)+(5*8)+(4*4)+(3*3)+(2*6)+(1*2)=196
196 % 10 = 6
So 99843-62-6 is a valid CAS Registry Number.