3440-32-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3440-32-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,4 and 0 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 3440-32:
(6*3)+(5*4)+(4*4)+(3*0)+(2*3)+(1*2)=62
62 % 10 = 2
So 3440-32-2 is a valid CAS Registry Number.