1073442-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1073442-20-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,3,4,4 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1073442-20:
(9*1)+(8*0)+(7*7)+(6*3)+(5*4)+(4*4)+(3*2)+(2*2)+(1*0)=122
122 % 10 = 2
So 1073442-20-2 is a valid CAS Registry Number.