41841-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41841-74-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,8,4 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 41841-74:
(7*4)+(6*1)+(5*8)+(4*4)+(3*1)+(2*7)+(1*4)=111
111 % 10 = 1
So 41841-74-1 is a valid CAS Registry Number.