689-46-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 689-46-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,8 and 9 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 689-46:
(5*6)+(4*8)+(3*9)+(2*4)+(1*6)=103
103 % 10 = 3
So 689-46-3 is a valid CAS Registry Number.