40642-02-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40642-02-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,6,4 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 40642-02:
(7*4)+(6*0)+(5*6)+(4*4)+(3*2)+(2*0)+(1*2)=82
82 % 10 = 2
So 40642-02-2 is a valid CAS Registry Number.