66793-01-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66793-01-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,7,9 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 66793-01:
(7*6)+(6*6)+(5*7)+(4*9)+(3*3)+(2*0)+(1*1)=159
159 % 10 = 9
So 66793-01-9 is a valid CAS Registry Number.