1544500-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1544500-90-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,4,4,5,0 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1544500-90:
(9*1)+(8*5)+(7*4)+(6*4)+(5*5)+(4*0)+(3*0)+(2*9)+(1*0)=144
144 % 10 = 4
So 1544500-90-4 is a valid CAS Registry Number.