1456-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1456-49-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,5 and 6 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1456-49:
(6*1)+(5*4)+(4*5)+(3*6)+(2*4)+(1*9)=81
81 % 10 = 1
So 1456-49-1 is a valid CAS Registry Number.