64682-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64682-40-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,6,8 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 64682-40:
(7*6)+(6*4)+(5*6)+(4*8)+(3*2)+(2*4)+(1*0)=142
142 % 10 = 2
So 64682-40-2 is a valid CAS Registry Number.