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108784-59-4

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108784-59-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108784-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,7,8 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 108784-59:
(8*1)+(7*0)+(6*8)+(5*7)+(4*8)+(3*4)+(2*5)+(1*9)=154
154 % 10 = 4
So 108784-59-4 is a valid CAS Registry Number.

108784-59-4Downstream Products

108784-59-4Relevant articles and documents

Solid acid-catalysed michael-type conjugate addition of indoles to electron-poor C=C bonds: Towards high atom economical semicontinuous processes

Bandini, Marco,Fagioli, Matteo,Umani-Ronchi, Achille

, p. 545 - 548 (2004)

In this paper a novel application of solid acid catalysts in the chemoselective Friedel-Crafts (FC) alkylation of indoles is reported. The optimal protocol allows highly functionalised indolyl compounds to be synthesised in excellent yields through conjug

Sulfonic acid-functionalized magnetic nanoparticles as a recyclable and eco-friendly catalyst for atom economical Michael addition reactions and bis indolyl methane synthesis

Mahmoudi, Hajar,Jafari, Abbas Ali,Saeedi, Soroosh,Firouzabadi, Habib

, p. 3023 - 3030 (2015/02/05)

A modified sulfonic acid functionalized magnetic nanoparticle composite (Fe3O4@γFe2O3-SO3H) is prepared by the use of ultrasonic irradiation. By this modification, the size of the nano-particles was r

Highly effective and regioselective Michael addition of indoles to α,β-unsaturated ketones promoted by pentafluorophenylammonium triflate

Khaksar, Samad,Vahdat, Seyed Mohammad,Rezaee, Fatemeh

, p. 144 - 147 (2013/04/24)

A simple, inexpensive, environmentally friendly and efficient route for Michael addition of indoles to α,β-unsaturated ketones using pentafluorophenylammonium triflate (PFPAT) as a catalyst is described. Various indole derivatives were synthesized in good

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