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63965-31-1

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63965-31-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63965-31-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,9,6 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 63965-31:
(7*6)+(6*3)+(5*9)+(4*6)+(3*5)+(2*3)+(1*1)=151
151 % 10 = 1
So 63965-31-1 is a valid CAS Registry Number.

63965-31-1Relevant articles and documents

Fe(HSO4)3 : An efficient, heterogeneous and reusable catalyst for C-alkylation of β-dicarbonyl compounds

Khafajeh, Samaneh,Akhlaghinia, Batool,Rezazadeh, Soodabeh,Eshghi, Hossein

, p. 1903 - 1912 (2015/02/05)

Fe(HSO4)3(FHS) was used as an efficient catalyst for the heterogeneous addition of a series of benzylic and allylic alcohols to various β-dicarbonyl compounds, which afforded moderate to excellent yields of C-alkylated products in 1,2-dichloroethane. In comparison with the previous methods, the present research surprisingly exhibited higher reaction yields without formation of any by-products which could be formed by self-condensation of alcohols. Moreover, the catalyst can be readily recovered and reused up to five times with almost maintained reactivity and yields.

12-Tungstophosphoric acid supported on nano silica from rice husk ash as an efficient catalyst for direct benzylation of 1,3-dicarbonyl compounds in solvent-free condition

Rafiee, Ezzat,Khodayari, Maryam,Shahebrahimi, Shabnam,Joshaghani, Mohammad

experimental part, p. 204 - 209 (2012/02/03)

Nano silica has been prepared from rice husk, which is an agricultural waste, with high surface area and in amorphous form. 12-Tungstophosphoric acid, H3PW12O40 (PW) has been supported on this silica to produce nano silica supported PW (NPW/SiO2) as a nano catalyst. Characterization of this catalyst has been investigated by TEM, FTIR, and ICP, also, acidic properties have been studied by potentiometric titration method. 40% NPW/SiO2 has been used as a high effective catalyst for benzylation of 1,3-dicarbonyl compounds with benzylic alcohols. The present methodology offers a clean, practical, simple, mild, environmentally friendly, green and time-saving method under solvent free condition. Also, the catalyst is a good candidate for large-scale in direct benzylation of 1,3-dicarbonyl compounds.

Carbonic anhydrase inhibitors: Synthesis and inhibition studies against mammalian isoforms I-XV with a series of 2-(hydrazinocarbonyl)-3-substituted-phenyl-1H-indole-5-sulfonamides

Guezel, Oezlen,Innocenti, Alessio,Scozzafava, Andrea,Salman, Aydin,Parkkila, Seppo,Hilvo, Mika,Supuran, Claudiu T.

experimental part, p. 9113 - 9120 (2009/04/11)

A series of 2-(hydrazinocarbonyl)-3-substitutedphenyl-1H-indole-5-sulfonamides possessing various 2-, 3- or 4- substituted phenyl groups with methyl-, halogeno- and methoxy- functionalities, as well as the perfluorophenyl moiety have been synthesized and

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