14144-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 14144-42-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,1,4 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 14144-42:
(7*1)+(6*4)+(5*1)+(4*4)+(3*4)+(2*4)+(1*2)=74
74 % 10 = 4
So 14144-42-4 is a valid CAS Registry Number.