19916-46-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19916-46-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,1 and 6 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 19916-46:
(7*1)+(6*9)+(5*9)+(4*1)+(3*6)+(2*4)+(1*6)=142
142 % 10 = 2
So 19916-46-2 is a valid CAS Registry Number.