64381-44-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64381-44-8 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, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 64381-44:
(7*6)+(6*4)+(5*3)+(4*8)+(3*1)+(2*4)+(1*4)=128
128 % 10 = 8
So 64381-44-8 is a valid CAS Registry Number.