64620-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64620-40-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,6,2 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 64620-40:
(7*6)+(6*4)+(5*6)+(4*2)+(3*0)+(2*4)+(1*0)=112
112 % 10 = 2
So 64620-40-2 is a valid CAS Registry Number.