38544-66-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38544-66-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,5,4 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 38544-66:
(7*3)+(6*8)+(5*5)+(4*4)+(3*4)+(2*6)+(1*6)=140
140 % 10 = 0
So 38544-66-0 is a valid CAS Registry Number.