1373139-04-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1373139-04-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,3,1,3 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1373139-04:
(9*1)+(8*3)+(7*7)+(6*3)+(5*1)+(4*3)+(3*9)+(2*0)+(1*4)=148
148 % 10 = 8
So 1373139-04-8 is a valid CAS Registry Number.
1373139-04-8Relevant articles and documents
Oligoether-strapped meso-pyrimidinylporphyrins
Ngo, Thien H.,Nitychoruk, Klaudia A.,Lentz, Dieter,Rzymowski, Tomasz,Dehaen, Wim,Maes, Wouter
, p. 2406 - 2409 (2012)
Bis(oligoether-strapped) zinc(II)-meso-pyrimidinylporphyrins were readily synthesized via nucleophilic aromatic substitution reactions of biscathechol-substituted tri- or tetraethylene glycol straps on the upper and lower faces of a Zn(II)-A2B
