41131-26-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41131-26-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,1,3 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 41131-26:
(7*4)+(6*1)+(5*1)+(4*3)+(3*1)+(2*2)+(1*6)=64
64 % 10 = 4
So 41131-26-4 is a valid CAS Registry Number.