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3544-13-6

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3544-13-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3544-13-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,4 and 4 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3544-13:
(6*3)+(5*5)+(4*4)+(3*4)+(2*1)+(1*3)=76
76 % 10 = 6
So 3544-13-6 is a valid CAS Registry Number.

3544-13-6Relevant articles and documents

Two SrII coordination compounds based on tetrazole-carboxylate ligands

Cao, Meng-Jie,Miao, Li-Li,Guo, Meng-Yue,Yang, Gao-Wen,Li, Qiao-Yun

, p. 105 - 111 (2016)

Two novel coordination compounds, [Sr(atzp)2(H2O)2]·CH3OH (1) and [Sr(dtzpha)(H2O)3]·4H2O (2) [Hatzp=5-aminotetrazole-1-propionic acid, H2dtzpha=1,3-di(tetrazol-5-yl)benzene-N2,N2'-diacetic acid)], have been generated by using 5-aminotetrazole-1-propionic acid and 1,3-di(tetrazol-5-yl)benzene-N2,N2'-diacetic acid to react with strontium salts, respectively. X-ray diffraction analysis reveals that carboxylic groups of two ligands show the same coordination mode (the μ1,1,3-COO coordination mode), compound 1 displays a 1D structure while compound 2 shows a 2D structure, which implies the influence of the number of the carboxylic acid groups. Luminescence properties of 1 and 2 were investigated at room temperature in the solid state.

Biosynthesis of Pd/MnO2 nanocomposite using Solanum melongena plant extract and its application for the one-pot synthesis of 5-substituted 1H-tetrazoles from aryl halides

Nasrollahzadeh, Mahmoud,Ghorbannezhad, Fatemeh,Sajadi, S. Mohammad

, (2018/12/14)

In this work, for the first time, Solanum melongena plant extract was used for the green synthesis of Pd/MnO2 nanocomposite via reduction osf Pd(II) ions to Pd(0) and their immobilization on the surface of manganese dioxide (MnO2) nanoparticles (NPs) as an effective support. The synthesized nanocomposite were characterized by various analytical techniques such as Fourier transform infrared (FT-IR), X-ray diffraction (XRD), transmission electron microscopy (TEM), field emission scanning electron microscopy (FESEM), energy dispersive X-ray spectroscopy (EDS) and UV–Vis spectroscopy. The catalytic activity of Pd/MnO2 nanocomposite was used as a heterogeneous catalyst for the one-pot synthesis of 5-substituted 1H-tetrazoles from aryl halides containing various electron-donating or electron-withdrawing groups in the presence of K4[Fe (CN)6] as non-toxic cyanide source and sodium azide. The products were obtained in good yields via a simple methodology and easy work-up. The nanocatalyst can be recycled and reused several times with no remarkable loss of activity.

Synthesis of 5-substituted 1H-tetrazoles from aryl halides using nanopolymer-anchored palladium(II) complex as a new heterogeneous and reusable catalyst

Tajbakhsh, Mahmood,Alinezhad, Heshmatollah,Nasrollahzadeh, Mahmoud,Kamali, Taghi A.

, p. 2135 - 2142 (2016/11/17)

Abstract: This paper reports on the preparation and use of chloromethylated polystyrene-anchored palladium(II) complex, [Ps-ttet-Pd(II)], as a separable nanocatalyst for the synthesis of 5-substituted 1H-tetrazoles by treating aryl halides with K4[Fe(CN)6] as non-toxic cyanide source, to generate in situ the corresponding aryl nitriles which then react through [2?+?3] cycloaddition with sodium azide. High yields of the products, simple methodology, easy work-up procedure, high catalytic activity, and superior cycling stability of the catalyst are the main advantages of this protocol. The structure of the catalyst was characterized using the powder XRD, SEM, TG-DTA, EDS, AAS, and FT-IR spectroscopy techniques. Graphical abstract: [Figure not available: see fulltext.]

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