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10273-87-7

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10273-87-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 10273-87-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,2,7 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 10273-87:
(7*1)+(6*0)+(5*2)+(4*7)+(3*3)+(2*8)+(1*7)=77
77 % 10 = 7
So 10273-87-7 is a valid CAS Registry Number.

10273-87-7Downstream Products

10273-87-7Relevant articles and documents

The Suzuki coupling of aryl chlorides under microwave heating

Bedford, Robin B.,Butts, Craig P.,Hurst, Timothy E.,Lidstroem, Pelle

, p. 1627 - 1630 (2004)

Simple, inexpensive catalysts formed in situ from tricyclohexylphosphine and palladium acetate or a phosphite-based palladacycle show unprecedented activity in the Suzuki coupling of deactivated, non-activated and activated aryl chloride substrates under microwave heating.

Sterically demanding, water-soluble alkylphosphines as ligands for high activity Suzuki coupling of aryl bromides in Aqueous solvents

Shaughnessy, Kevin H.,Booth, Rebecca S.

, p. 2757 - 2759 (2007/10/03)

(Equation presented) Sterically demanding, water-soluble alkylphosphines have been found to give highly active catalysts for Suzuki coupling of aryl bromides in aqueous solvents. A variety of aryl bromides and boronic acids were coupled in excellent yield

PREPARATION OF SOME TRIMETHYL- AND METHYLETHYLBIPHENYLS AND REACTIVITY OF AROMATIC HYDROCARBONS IN THE GOMBERG REACTION

Novrocik, Jan,Novrocikova, Marta,Titz, Milos

, p. 3140 - 3149 (2007/10/02)

Trimethyl- and methylethylbiphenyls with the alkyl groups in the both phenyl rings have been prepared by the Gomberg reaction and identified by the capillary gas-liquid chromatography.Depending on choice of the aromatic hydrocarbon either individual isomers or their mixtures (three at the most) have been obtained which were contaminated with compounds of diarylmethane type in many cases.The methylethylbiphenyls have only been prepared as mixtures contaminated with diarylmethanes.These side products have been prepared by independent syntheses.A method has been developed for isolation and separation of mixtures of trimethyl- and methylethylbiphenyls from the reaction products containing tarry products.The method is suitable for preparation of small amounts of some analytical standards.The HMO method has been used for calculation of values of the radical superdelocalizabilities at individual centres in the molecules of o-, m- and p-xylene, toluene and ethylbenzene, and these values have been compared with composition of the Gomberg reaction products from these hydrocarbons.The competitive technique has been used for comparison of the reactivities of the mentioned aromatic substrates in the Gomberg reactions.

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