490026-32-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 490026-32-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,0,0,2 and 6 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 490026-32:
(8*4)+(7*9)+(6*0)+(5*0)+(4*2)+(3*6)+(2*3)+(1*2)=129
129 % 10 = 9
So 490026-32-9 is a valid CAS Registry Number.
490026-32-9Relevant articles and documents
Diels-Alder reactions of nickel(II) N-confused porphyrins as dienophiles
Xiao, Ziwei,Patrick, Brian O.,Dolphin, David
, p. 1816 - 1817 (2002)
Diels-Alder reactions of nickel(II) N-confused tetraarylporphyrins as dienophiles with o-benzoquinodimethane yield nickel(II) N-confused isoquinoporphyrins.