669760-45-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 669760-45-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,9,7,6 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 669760-45:
(8*6)+(7*6)+(6*9)+(5*7)+(4*6)+(3*0)+(2*4)+(1*5)=216
216 % 10 = 6
So 669760-45-6 is a valid CAS Registry Number.