1416144-31-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1416144-31-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,6,1,4 and 4 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1416144-31:
(9*1)+(8*4)+(7*1)+(6*6)+(5*1)+(4*4)+(3*4)+(2*3)+(1*1)=124
124 % 10 = 4
So 1416144-31-4 is a valid CAS Registry Number.