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1861-48-9

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1861-48-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1861-48-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,6 and 1 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1861-48:
(6*1)+(5*8)+(4*6)+(3*1)+(2*4)+(1*8)=89
89 % 10 = 9
So 1861-48-9 is a valid CAS Registry Number.

1861-48-9Relevant articles and documents

Synthesis of pyrazolylvinyl ketones from furan derivatives

Sawengngen, Nattawut,Chalikidi, Petrakis N.,Araby, Sara,Hampel, Frank,Gmeiner, Peter,Serdyuk, Olga V.

supporting information, p. 4850 - 4855 (2019/05/24)

A new protocol for the synthesis of pyrazol-5-ylvinyl ketones, e.g. pyrazole-chalcones, employing furfuryl ketones as a triketone equivalent, has been developed. The reaction occurs under mild conditions and does not require the use of expensive materials

A simple method for the synthesis of furfuryl ketones and furylacetic acid derivatives

Chalikidi, Petrakis N.,Nevolina, Tatyana A.,Uchuskin, Maxim G.,Abaev, Vladimir T.,Butin, Alexander V.

, p. 621 - 629 (2015/10/12)

A simple preparative method has been developed for the synthesis of aryl(furfuryl) ketones, amides, and furylacetic acid esters, based on radical alkylation of furan derivatives at the α-position with O-ethyl(phenacyl)xanthogenates and phenacyl iodides in the presence of Fenton's reagent (H2O2/FeSO4·7H2O) in DMSO. The range of applicability and mechanisms for the formation of major and side products have been considered.

SYNTEZY ZWIAZKOW O POTENCJALNYM DZIALANIU RADIOUCZULAJACYM. VIII. SYNTEZY ALKILOKSANTOGENIANOW 4-CHLORO- I 4-BROMOFENACYLOWYCH

Skwarski, Dionizy,Sobolewski, Henryk

, p. 213 - 218 (2007/10/02)

In the frame-work of search for new potential radiosensitizers a series of novel 4-chloro- and 4-bromophenacyl alkylxanthates were synthetized by reacting 4-chloro- and 4-bromophenacyl bromide with potassium alkylxanthates, in which allyl, ethyl, propyl, isopropyl, butyl, isobutyl, pentyl, isopentyl, heksyl, heptyl, octyl, isooctyl, decyl, 3-tetrahydrofurfuryl, benzyl, phenylethyl and phenylpropyl constituted the alkyl group.

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