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72076-08-5

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72076-08-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72076-08-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,0,7 and 6 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 72076-08:
(7*7)+(6*2)+(5*0)+(4*7)+(3*6)+(2*0)+(1*8)=115
115 % 10 = 5
So 72076-08-5 is a valid CAS Registry Number.

72076-08-5Relevant articles and documents

Fluorinated maleimide-substituted porphyrins and chlorins: Synthesis and characterization

Ol’shevskaya, Valentina A.,Kononova, Elena G.,Zaitsev, Andrei V.

, p. 2704 - 2709 (2019)

Maleimide-containing fluorinated porphyrins and chlorins were prepared based on the reaction of Zn(II) or Ni(II) complexes of 5,10,15,20-tetrakis(4-amino-2,3,5,6-tetrafluorophenyl)porphyrin and chlorin with maleic anhydride. Porphyrin maleimide derivative

Anomalously selective quenching of S2 fluorescence from upper excited state of zinc 5-(l′-pyrenyl)-10,15,20-triphenylporphyrin derivatives through intramolecular charge transfer state

Hirakawa, Kazutaka,Saito, Keiko,Segawa, Hiroshi

, p. 8852 - 8856 (2009)

Zinc 5-(1′-pyrenyl)-10,15,20-tris(p-methoxyphenyl)porphyrin (ZnP-Py) and zinc 5-(1′-pyrenyl)-10,15,20tris(pentafluorophenyl)porphyrin (ZnFP-Py), in which a pyrenyl group is directly connected at the mesopositions of their corresponding porphyrins, were sy

Influence of progressive halogenation of Zn(II)-tetraarylporphyrins and their free bases on the structure and spectral-fluorescence properties of tetrapyrrolic macrocycle

Chizhova, Natalya V.,Dmitrieva, Olga A.,Mamardashvili, Nugzar Z.

, (2021/09/22)

Zn(II)-2,3,7,8,12,13,17,18-octabromo-5,10,15,20-tetra-(2,6-difluorophenyl)porphyrin was synthesized by the interaction of Zn(II)-5,10,15,20-tetra-(2,6-difluorophenyl)porphyrin with N-bromosuccinimide in a mixture of chloroform-methanol, chloroform-dimethylformamide and in dimethylformamide. Zn(II)-2,3,7,8,12,13,17,18-octachloro-5,10,15,20-tetra-(2,6-difluorophenyl)porphyrin was formed by the reaction of 2,6-difluoro-substituted Zn(II)-porphyrin with N-chlorosuccinimide in the chloroform-methanol mixture and dimethylformamide. Zn(II)-2,3,7,8,12,13,17,18-octachloro-5,10,15,20-tetra-(2,3,4,5,6-pentafluorophenyl) porphyrin was synthesized from Zn(II)-5,10,15,20-tetra-(2,3,4,5,6-pentafluorophenyl)porphyrin with an excess of N-chlorosuccinimide via chlorination in dimethylformamide. The corresponding porphyrin-ligands were obtained by treating halogen-substituted zinc porphyrins with trifluoroacetic acid. The synthesized compounds were characterized by UV–Vis, fluorescence, 1H NMR spectroscopy and mass spectrometry methods. The structures of halogen-substituted porphyrins and their Zn(II) complexes were calculated by the DFT method. The effect of the β-pyrrole halogenation on fluorescence quantum yields of the synthesized compounds was estimated. These halogenated products can be employed for covalent functionalization of the macrocycle pyrrole fragments with the aim of imparting practically important optical, electrochemical and red-ox properties to them.

Halogenation of Fluoro-Substituted Zinc(II) Tetraphenylporphyrins at the β-Position

Chizhova,Rusanov,Tyurin,Mamardashvili, N. Zh.

, p. 2132 - 2136 (2021/02/09)

Abstract: [2,3,7,8,12,13,17,18-Octabromo-5,10,15,20-tetrakis(2,6-difluorophenyl)porphyrinato]zinc(II) was synthesized by reaction of [5,10,15,20-tetrakis(2,6-difluorophenyl)porphyrinato]zinc(II) with N-bromosuccinimide in chloroform–methanol, chloroform–d

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