99842-11-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99842-11-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,4 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99842-11:
(7*9)+(6*9)+(5*8)+(4*4)+(3*2)+(2*1)+(1*1)=182
182 % 10 = 2
So 99842-11-2 is a valid CAS Registry Number.