1442115-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1442115-81-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,2,1,1 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1442115-81:
(9*1)+(8*4)+(7*4)+(6*2)+(5*1)+(4*1)+(3*5)+(2*8)+(1*1)=122
122 % 10 = 2
So 1442115-81-2 is a valid CAS Registry Number.