54644-08-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54644-08-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,6,4 and 4 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 54644-08:
(7*5)+(6*4)+(5*6)+(4*4)+(3*4)+(2*0)+(1*8)=125
125 % 10 = 5
So 54644-08-5 is a valid CAS Registry Number.