669075-94-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 669075-94-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,9,0,7 and 5 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 669075-94:
(8*6)+(7*6)+(6*9)+(5*0)+(4*7)+(3*5)+(2*9)+(1*4)=209
209 % 10 = 9
So 669075-94-9 is a valid CAS Registry Number.