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24154-16-3

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24154-16-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 24154-16-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,1,5 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 24154-16:
(7*2)+(6*4)+(5*1)+(4*5)+(3*4)+(2*1)+(1*6)=83
83 % 10 = 3
So 24154-16-3 is a valid CAS Registry Number.

24154-16-3Relevant articles and documents

One-pot NBS-promoted synthesis of imidazoles and thiazoles from ethylarenes in water

Chen, Liang,Zhu, Huajian,Wang, Jiang,Liu, Hong

, (2019/03/19)

A facile and eco-friendly method has been developed for the synthesis of imidazoles and thiazoles from ethylarenes in water. The reaction proceeds via in situ formation of α-bromoketone using NBS as a bromine source as well as an oxidant, followed by trapping with suitable nucleophiles to provide the corresponding products in good yields under metal-free conditions.

Benzylic Bromination-Acetoxylation of Toluenes by Bromide Ion Catalyzed Thermal Decomposition of Peroxydisulfate in Acetic Acid in the Presence of Acetate Ions

Citterio, Attilio,Santi, Roberto,Pagani, Anselmo

, p. 4925 - 4927 (2007/10/02)

Side-chain bromination and acetoxylation of alkylaromatics by halide ion induced decomposition of potassium peroxydisulfate in acetic acid have been studied by product analysis techniques.Catalytic amounts of lithium bromide in the presence of sodium acetate were found effective in promoting benzylic bromination, followed by conversion to the corresponding benzyl acetates by reaction with acetate.The reaction is interpreted to take place by the redox and free-radical chain mechanism involving bromine atoms (ρ = -1.38 vs. ? + for substituted toluenes).In competiti ve experiments, benzyl and 4-nitrobenzyl acetates were found lees reactive than the corresponding toluenes in acetic acid with the couple S2O82-/Br- but more reactive in carbon tetrachloride with N-bromosuccinimide.

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