54088-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54088-91-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,0,8 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 54088-91:
(7*5)+(6*4)+(5*0)+(4*8)+(3*8)+(2*9)+(1*1)=134
134 % 10 = 4
So 54088-91-4 is a valid CAS Registry Number.