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2,9-dicyclohexyl-10-nitrophenanthrene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

605686-23-5

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605686-23-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 605686-23-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,5,6,8 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 605686-23:
(8*6)+(7*0)+(6*5)+(5*6)+(4*8)+(3*6)+(2*2)+(1*3)=165
165 % 10 = 5
So 605686-23-5 is a valid CAS Registry Number.

605686-23-5Relevant academic research and scientific papers

Sonogashira coupling using bulky palladium-phenanthryl imidazolium carbene catalysis

Ma, Yudao,Song, Chun,Jiang, Wei,Wu, Quansheng,Wang, Yong,Liu, Xueying,Andrus, Merritt B.

, p. 3317 - 3319 (2007/10/03)

(Matrix presented) Bulky phenanthracenyl imidazolium-derived carbene ligands were investigated for copper-free Sonogashira coupling with terminal acetylenes. Aryl bromides and iodides gave coupled products in excellent yields from the Pd(PPh3)2Cl2 complex with potassium t-butoxide and 18-crown-6 in THF. A remarkable dependence on the size of the ligand was found. The highest yields were obtained with the bulky 2,9-dicyclohexyl-10-phenanthryl ligand 5.

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