19447-66-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19447-66-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,4,4 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 19447-66:
(7*1)+(6*9)+(5*4)+(4*4)+(3*7)+(2*6)+(1*6)=136
136 % 10 = 6
So 19447-66-6 is a valid CAS Registry Number.