881-41-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 881-41-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,8 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 881-41:
(5*8)+(4*8)+(3*1)+(2*4)+(1*1)=84
84 % 10 = 4
So 881-41-4 is a valid CAS Registry Number.