12254-53-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12254-53-4 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, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 12254-53:
(7*1)+(6*2)+(5*2)+(4*5)+(3*4)+(2*5)+(1*3)=74
74 % 10 = 4
So 12254-53-4 is a valid CAS Registry Number.