41857-41-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41857-41-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,8,5 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 41857-41:
(7*4)+(6*1)+(5*8)+(4*5)+(3*7)+(2*4)+(1*1)=124
124 % 10 = 4
So 41857-41-4 is a valid CAS Registry Number.