1241-41-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1241-41-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,4 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1241-41:
(6*1)+(5*2)+(4*4)+(3*1)+(2*4)+(1*1)=44
44 % 10 = 4
So 1241-41-4 is a valid CAS Registry Number.