64381-20-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64381-20-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,3,8 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 64381-20:
(7*6)+(6*4)+(5*3)+(4*8)+(3*1)+(2*2)+(1*0)=120
120 % 10 = 0
So 64381-20-0 is a valid CAS Registry Number.