66196-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66196-72-3 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 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 66196-72:
(7*6)+(6*6)+(5*1)+(4*9)+(3*6)+(2*7)+(1*2)=153
153 % 10 = 3
So 66196-72-3 is a valid CAS Registry Number.