1142402-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1142402-72-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,2,4,0 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1142402-72:
(9*1)+(8*1)+(7*4)+(6*2)+(5*4)+(4*0)+(3*2)+(2*7)+(1*2)=99
99 % 10 = 9
So 1142402-72-9 is a valid CAS Registry Number.