2242-25-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2242-25-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,4 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2242-25:
(6*2)+(5*2)+(4*4)+(3*2)+(2*2)+(1*5)=53
53 % 10 = 3
So 2242-25-3 is a valid CAS Registry Number.