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264621-78-5

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264621-78-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 264621-78-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,4,6,2 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 264621-78:
(8*2)+(7*6)+(6*4)+(5*6)+(4*2)+(3*1)+(2*7)+(1*8)=145
145 % 10 = 5
So 264621-78-5 is a valid CAS Registry Number.

264621-78-5Downstream Products

264621-78-5Relevant articles and documents

From amino acids to fused chiral pyrrolidines and piperidines via the INOC route

Falb, Eliezer,Nudelman, Abraham,Gottlieb, Hugo E.,Hassner, Alfred

, p. 645 - 655 (2007/10/03)

Intramolecular nitrile oxide olefin cycloaddition (INOC) reactions of oximes 1-3 and of 24-27 derived from 1-amino acids have been found to proceed stereoselectively, yielding tricyclic fused pyrrolidines and piperidines. Further manipulation led to chiral hydroxymethyl-substituted fused piperidines 33-35 and to 3-amino-4-(1-hydroxypropyl)-2-mercaptomethyl-N- methylpiperidine (36). The structures and stereochemistries of the fused systems, as well as those of the piperidines, have been established by NMR.

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