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66219-09-8

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66219-09-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66219-09-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,2,1 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 66219-09:
(7*6)+(6*6)+(5*2)+(4*1)+(3*9)+(2*0)+(1*9)=128
128 % 10 = 8
So 66219-09-8 is a valid CAS Registry Number.

66219-09-8Downstream Products

66219-09-8Relevant articles and documents

Synthesis and Charactarization of "Tailed Picket Fence" Porphyrins

Collman, James P.,Brauman, John I.,Doxsee, Kenneth M.,Halbert, Thomas R.,Bunnenberg, Edward,et al.

, p. 4182 - 4192 (2007/10/02)

The synthesis of "picket fence" porphyrin derivatives bearing covalently attached axial bases is described.The porphyrins have been well characterized, primarily as the iron(II) complexes, meso-tri(α,α,α-o-pivalamidophenyl)-β-o-5-(N-imidazolyl)valeramidophenylporphinatoiron(II) and meso-tri(α,α,α-o-pivalamidophenyl)-β-o-4-(N-imidazolyl)butyramidophenylporphyrinatoiron(II), by UV/visible, MCD, 1H NMR, and Moessbauer spectroscopy, magnetic susceptibility, and elemental analysis.Preliminary results of carbon monoxide binding studies are reported.

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