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(S)-5-[(tert-butyldiphenylsilyl)oxy]-4-ethylpentanoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

428874-41-3

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428874-41-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 428874-41-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,8,8,7 and 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 428874-41:
(8*4)+(7*2)+(6*8)+(5*8)+(4*7)+(3*4)+(2*4)+(1*1)=183
183 % 10 = 3
So 428874-41-3 is a valid CAS Registry Number.

428874-41-3Downstream Products

428874-41-3Relevant academic research and scientific papers

Enantioselective Total Synthesis of Fluvirucinin B1

Guignard, Guillaume,Llor, Núria,Molins, Elies,Bosch, Joan,Amat, Mercedes

supporting information, p. 1788 - 1791 (2016/05/19)

A convergent synthesis of fluvirucinin B1 from acid ent-6a and nitrile ent-9, involving an organocopper coupling, a stereoselective allylation, a ring-closing metathesis reaction, and a stereoselective hydrogenation as the key steps, is reported. The starting building blocks have been prepared in a straightforward manner from a common phenylglycinol-derived lactam 1. An unprecedented regioselective oxidation of phenylglycinol-derived secondary amines 5 to carboxylic acids 6 has been developed.

A convergent three-component total synthesis of the powerful immunosuppressant (-)-sanglifehrin A

Paquette, Leo A.,Duan, Maosheng,Konetzki, Ingo,Kempmann, Christoph

, p. 4257 - 4270 (2007/10/03)

The potent immunosuppressive agent (-)-sanglifehrin A (5), initially discovered in a soil sample from Malawi, has been synthesized in a highly conver soil gent and stereocontrolled manner. The enantioselective approach relies on initial construction of th

Synthesis of the tripeptide (C1-N12) and hydroxylated hexadecene (C26-C41) domains of sanglifehrin A and C

Paquette, Leo A.,Konetzki, Ingo,Duan, Maosheng

, p. 7441 - 7444 (2007/10/03)

Fully enantio-controlled routes to two major segments of the newly discovered immunosuppressants sanglifehrin A and C are described.

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