142496-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142496-73-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,4,9 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 142496-73:
(8*1)+(7*4)+(6*2)+(5*4)+(4*9)+(3*6)+(2*7)+(1*3)=139
139 % 10 = 9
So 142496-73-9 is a valid CAS Registry Number.