24781-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 24781-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,7,8 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 24781-99:
(7*2)+(6*4)+(5*7)+(4*8)+(3*1)+(2*9)+(1*9)=135
135 % 10 = 5
So 24781-99-5 is a valid CAS Registry Number.