61449-11-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61449-11-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,4,4 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 61449-11:
(7*6)+(6*1)+(5*4)+(4*4)+(3*9)+(2*1)+(1*1)=114
114 % 10 = 4
So 61449-11-4 is a valid CAS Registry Number.