12241-54-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12241-54-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,4 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 12241-54:
(7*1)+(6*2)+(5*2)+(4*4)+(3*1)+(2*5)+(1*4)=62
62 % 10 = 2
So 12241-54-2 is a valid CAS Registry Number.