5841-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5841-72-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,8,4 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5841-72:
(6*5)+(5*8)+(4*4)+(3*1)+(2*7)+(1*2)=105
105 % 10 = 5
So 5841-72-5 is a valid CAS Registry Number.