24957-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 24957-49-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,9,5 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 24957-49:
(7*2)+(6*4)+(5*9)+(4*5)+(3*7)+(2*4)+(1*9)=141
141 % 10 = 1
So 24957-49-1 is a valid CAS Registry Number.