142394-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142394-84-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,3,9 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 142394-84:
(8*1)+(7*4)+(6*2)+(5*3)+(4*9)+(3*4)+(2*8)+(1*4)=131
131 % 10 = 1
So 142394-84-1 is a valid CAS Registry Number.
InChI:InChI=1/C20H15N3O8/c21-8(19(27)28)4-10(24)7-2-1-3-13-16(7)23-18-14(31-13)6-12(26)17-15(18)11(25)5-9(22-17)20(29)30/h1-3,5-6,8,23,26H,4,21H2,(H,22,25)(H,27,28)(H,29,30)