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5-(diphenylphosphino)-25,26,27,28-tetra-n-propoxycalix[4]arene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

287944-35-8

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287944-35-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 287944-35-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,7,9,4 and 4 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 287944-35:
(8*2)+(7*8)+(6*7)+(5*9)+(4*4)+(3*4)+(2*3)+(1*5)=198
198 % 10 = 8
So 287944-35-8 is a valid CAS Registry Number.

287944-35-8Relevant academic research and scientific papers

Upper-rim monofunctionalization of calix[4]arene by organometallic diphenylphosphinorhodium complexes

Vezina, Martin,Gagnon, Jonathan,Villeneuve, Karine,Drouin, Marc,Harvey, Pierre D.

, p. 1073 - 1074 (2000)

Monofunctionalization of the calix[4]arene upper-rim is achieved by lithiation with Bu(n)Li, followed by phosphination with Ph2PCl of monobromotetra-n-propoxycalix[4]arene; subsequent reactions with [Cp*Rh(III)Cl2]2 and Cp

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