24577-78-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 24577-78-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,5,7 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 24577-78:
(7*2)+(6*4)+(5*5)+(4*7)+(3*7)+(2*7)+(1*8)=134
134 % 10 = 4
So 24577-78-4 is a valid CAS Registry Number.