40808-02-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40808-02-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,8,0 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 40808-02:
(7*4)+(6*0)+(5*8)+(4*0)+(3*8)+(2*0)+(1*2)=94
94 % 10 = 4
So 40808-02-4 is a valid CAS Registry Number.