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18402-43-2

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18402-43-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18402-43-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,4,0 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 18402-43:
(7*1)+(6*8)+(5*4)+(4*0)+(3*2)+(2*4)+(1*3)=92
92 % 10 = 2
So 18402-43-2 is a valid CAS Registry Number.

18402-43-2Relevant articles and documents

Triphenylphosphine-catalyzed dehydrogenative coupling reaction of carboxylic acids with silanes - A convenient method for the preparation of silyl esters

Liu, Guo-Bin,Zhao, Hong-Yun,Thiemann, Thies

, p. 807 - 811 (2007)

Triphenylphosphine has been found to be an efficient catalyst for the dehydrosilylation of carboxylic acids with silanes. In the presence of 4 mol % of triphenylphosphine (PPh3), dehydrosilylation reactions in DMF afforded the corresponding silyl esters at 120 °C in good yield.

Two new catalysts for the dehydrogenative coupling reaction of carboxylic acids with silanes - Convenient methods for an atom-economical preparation of silyl esters

Liu, Guo-Bin,Zhao, Hong-Yun,Thiemann, Thies

, p. 2717 - 2727 (2008/02/12)

Tris(triphenylphosphine)cuprous chloride [Cu(PPh3)3Cl] has been found to be an efficient catalyst for the dehydrosilylation of carboxylic acids with silanes. In the presence of 4 mol% Cu(PPh3)3Cl, dehydrosilylation reactions in acetonitrile afforded the corresponding silyl esters at 80°C in good yields. It was noted that triphenylphosphine itself also functions as an adequate catalyst for the reaction. Copyright Taylor & Francis Group, LLC.

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