41873-81-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41873-81-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,8,7 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 41873-81:
(7*4)+(6*1)+(5*8)+(4*7)+(3*3)+(2*8)+(1*1)=128
128 % 10 = 8
So 41873-81-8 is a valid CAS Registry Number.