2456-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2456-49-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,5 and 6 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2456-49:
(6*2)+(5*4)+(4*5)+(3*6)+(2*4)+(1*9)=87
87 % 10 = 7
So 2456-49-7 is a valid CAS Registry Number.