5188-54-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5188-54-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,8 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 5188-54:
(6*5)+(5*1)+(4*8)+(3*8)+(2*5)+(1*4)=105
105 % 10 = 5
So 5188-54-5 is a valid CAS Registry Number.