669083-46-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 669083-46-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,9,0,8 and 3 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 669083-46:
(8*6)+(7*6)+(6*9)+(5*0)+(4*8)+(3*3)+(2*4)+(1*6)=199
199 % 10 = 9
So 669083-46-9 is a valid CAS Registry Number.