66191-82-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66191-82-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,1,9 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 66191-82:
(7*6)+(6*6)+(5*1)+(4*9)+(3*1)+(2*8)+(1*2)=140
140 % 10 = 0
So 66191-82-0 is a valid CAS Registry Number.