12254-24-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12254-24-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,5 and 4 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 12254-24:
(7*1)+(6*2)+(5*2)+(4*5)+(3*4)+(2*2)+(1*4)=69
69 % 10 = 9
So 12254-24-9 is a valid CAS Registry Number.