66633-19-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66633-19-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,6,3 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 66633-19:
(7*6)+(6*6)+(5*6)+(4*3)+(3*3)+(2*1)+(1*9)=140
140 % 10 = 0
So 66633-19-0 is a valid CAS Registry Number.