1424392-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1424392-90-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,4,3,9 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1424392-90:
(9*1)+(8*4)+(7*2)+(6*4)+(5*3)+(4*9)+(3*2)+(2*9)+(1*0)=154
154 % 10 = 4
So 1424392-90-4 is a valid CAS Registry Number.