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Piperidine is a heterocyclic amine compound with the formula C5H11N, consisting of a six-membered ring with one nitrogen atom. It is an important building block in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. In the context of lithium salts, piperidine can form lithium piperidide (LiN(C5H10)), which is a lithium salt of piperidine. This lithium salt is used as a reagent in organic synthesis, particularly in the formation of carbon-carbon bonds through the use of organolithium reagents. The lithium salt of piperidine can also be used as a catalyst or a base in various chemical reactions, highlighting its versatility in the field of organic chemistry.

4442-11-9

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4442-11-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4442-11-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,4 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4442-11:
(6*4)+(5*4)+(4*4)+(3*2)+(2*1)+(1*1)=69
69 % 10 = 9
So 4442-11-9 is a valid CAS Registry Number.

4442-11-9Relevant academic research and scientific papers

BESTIMMUNG DER IONENPAAR-BASIZITAT VON LITHIUM- UND KALIUMAMIDEN

Ahlbrecht, Hubertus,Schneider, Gunther

, p. 4729 - 4742 (2007/10/02)

Ion pair basicities of lithio and potassio salts of some secondary amines were determined by equilibration with benzyl compounds.With these bases it is possible to span a range of about 19 pK-units from pK = 27 up to 46.The structural dependence of thermodynamic as well as kinetic basicity is discussed.Some new effective amide bases for preparative purposes are recommended.For the first time the pK-value of toluene has been determined by direct equilibration.It amounts to 40.7 in tetrahydrofuran.

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