66394-76-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66394-76-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,3,9 and 4 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 66394-76:
(7*6)+(6*6)+(5*3)+(4*9)+(3*4)+(2*7)+(1*6)=161
161 % 10 = 1
So 66394-76-1 is a valid CAS Registry Number.