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82645-25-8

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82645-25-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82645-25-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,4 and 5 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 82645-25:
(7*8)+(6*2)+(5*6)+(4*4)+(3*5)+(2*2)+(1*5)=138
138 % 10 = 8
So 82645-25-8 is a valid CAS Registry Number.

82645-25-8Relevant articles and documents

Synthesis and spectral studies of macrocyclic Pb(II), Zn(II) and La(III) complexes by template reaction of 1,4-bis(3-aminopropoxy)butane with metal nitrate and salicylaldehyde derivatives

Ilhan, Salih

, p. 1 - 4 (2010)

Six new macrocyclic complexes are synthesised by template reaction of 1,4-bis(3-aminopropoxy)butane with metal nitrate and 1,7-bis(2-formylphenyl)-1, 4,7-trioxaheptane or 1,10-bis(2-formylphenyl)-1,4,7,10-tetraoxadecane and their structures are proposed on the basis of elemental analysis, FT-IR, UV-Vis, molar conductivity measurements, 1H NMR and mass spectra. The complexes are 1:2 electrolytes for Pb(II),Zn(II) complexes and 1:3 electrolytes for La(III) as shown by their molar conductivities (Am) in DMSO at 1003 mol L-1. The confi gurations of La(III) and Zn(II) complexes are proposed to probably octahedral.

Synthesis and characterization of novel biological tetracoumarin derivatives bearing ether moieties

Behzadi, Soheila Asadpour,Sheikhhosseini, Enayatollah,Ahmadi, Sayed Ali,Ghazanfari, Dadkhoda,Akhgar, Mohammadreza

, p. 60 - 67 (2020/06/08)

A series of novel tetracoumarin derivatives (3a-f) were prepared using the reaction of ether functionalized dibenzaldehyde with 4-hydroxycoumarin in the presence of sodium acetate. The structure of compounds was validated by IR, NMR, and CHN analyzes. Antimicrobial (antibacterial and antifungal) activity was studied on the basis of the minimum bactericidal concentration, minimum inhibitory concentration and inhibitory zone diameter. Favorable biological activity was found in compound 3f.

Exploitation of Intramolecular Glaser-Eglinton-Hay Macrocyclization for the Synthesis of New Classes of Optically Active Aza-Oxo-Thia Polyether Macrocycles from Amino Alcohol Building Blocks

Babu, Srinivasarao Arulananda

supporting information, p. 253 - 259 (2017/01/25)

We report an intramolecular Glaser-Eglinton-Hay coupling as an unprecedented route for assembling optically active aza-oxo polyether macrocycles containing a 1,3-diyne unit from enantiopure amino alcohol building blocks and suitable linkers. Furthermore, the conversion of the 1,3-diyne unit of the aza-oxo polyether macrocycles into a thiophene ring led to the assembly of new classes of optically active aza-oxa-thia (heterotopic) polyether macrocycle analogues of classical 18-C-6 and 18-C-5 systems.

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