54636-44-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54636-44-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,6,3 and 6 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 54636-44:
(7*5)+(6*4)+(5*6)+(4*3)+(3*6)+(2*4)+(1*4)=131
131 % 10 = 1
So 54636-44-1 is a valid CAS Registry Number.