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8,9,10,12-tetraethyl-1,2-bis(diphenylphosphino)-o-carborane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

187157-28-4

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187157-28-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 187157-28-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,1,5 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 187157-28:
(8*1)+(7*8)+(6*7)+(5*1)+(4*5)+(3*7)+(2*2)+(1*8)=164
164 % 10 = 4
So 187157-28-4 is a valid CAS Registry Number.

187157-28-4Downstream Products

187157-28-4Relevant academic research and scientific papers

Synthesis of mono-, di-, tri-, and tetraethyl-o-carboranes by electrophilic alkylation of o-carborane with ethyl bromide in the presence of AlCl3 and their transformations

Zakharkin,Ol'shevskaya,Vorontsov,Petrovsky

, p. 2614 - 2622 (2007/10/03)

Optimal conditions for the preparation of 9-ethyl-, 9,12-diethyl, 8,9,12-triethyl-, and 8,9,10,12-tetraethyl-o-carboranes under the action of EtBr on o-carborane in the presence of AlCl3 were determined. The behavior of these o-carborane deriva

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