7045-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7045-66-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,4 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 7045-66:
(6*7)+(5*0)+(4*4)+(3*5)+(2*6)+(1*6)=91
91 % 10 = 1
So 7045-66-1 is a valid CAS Registry Number.