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94423-72-0

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94423-72-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94423-72-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,4,2 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 94423-72:
(7*9)+(6*4)+(5*4)+(4*2)+(3*3)+(2*7)+(1*2)=140
140 % 10 = 0
So 94423-72-0 is a valid CAS Registry Number.

94423-72-0Relevant articles and documents

One-electron oxidized product of difluoroiron(iii) porphyrin: Is it iron(iv) porphyrin or iron(iii) porphyrin π-cation radical?

Ikezaki, Akira,Takahashi, Masashi,Nakamura, Mikio

experimental part, p. 9163 - 9168 (2011/10/17)

The electronic structure of [Fe(TMP)F2], which is formally a one-electron oxidation equivalent above [FeIII(TMP)F 2]-, has been examined in solution by 1H NMR, UV-Vis, and Moessbauer spectroscopy. In CD2Cl2-CD 3OD solution at 193 K, the pyrrole-H and m-H signals appeared at 128.2 and 116.7 ppm, respectively. The UV-Vis spectrum showed broad absorption bands at 560-680 nm. The Moessbauer spectrum taken in frozen toluene-methanol solution exhibited a very broad single line from which the IS and QS values were determined by computer simulation to be 0.50 and 0.14 mm s-1, respectively. On the basis of these results, it was concluded that the one-electron oxidized product of [Fe(TMP)F2]- should be formulated as the iron(iii) radical cation [FeIII(TMP) F2], not as iron(iv) porphyrin [FeIV(TMP)F2] as previously suggested.

Effect of imidazole and phenolate axial ligands on the electronic structure and reactivity of oxoiron(IV) porphyrin π-cation radical complexes: Drastic increase in oxo-transfer and hydrogen abstraction reactivities

Takahashi, Akihiro,Kurahashi, Takuya,Fujii, Hiroshi

, p. 2614 - 2625 (2009/07/30)

To study the effect of axial ligands on the electronic structure and reactivity of compound I of peroxidases and catalases, oxoiron(IV) porphyrin π-cation radical complexes with imidazole, 2-methylimidazole, 4(5)-methylimidazole, and 3-fluoro-4-nitropheno

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