54044-86-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54044-86-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,0,4 and 4 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 54044-86:
(7*5)+(6*4)+(5*0)+(4*4)+(3*4)+(2*8)+(1*6)=109
109 % 10 = 9
So 54044-86-9 is a valid CAS Registry Number.