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(-)-[bis-(1R,2S,5R)-(-)-menthyl] 1,3-acetonedicarboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

251565-32-9

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251565-32-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 251565-32-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,1,5,6 and 5 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 251565-32:
(8*2)+(7*5)+(6*1)+(5*5)+(4*6)+(3*5)+(2*3)+(1*2)=129
129 % 10 = 9
So 251565-32-9 is a valid CAS Registry Number.

251565-32-9Relevant academic research and scientific papers

A practical improvement of crystallization-induced asymmetric transformation of allene-1,3-dicarboxylates

Katoh, Takahiro,Noguchi, Chie,Kimura, Hiroyuki,Fujiwara, Toshio,Ichihashi, Shogo,Nishide, Kiyoharu,Kajimoto, Tetsuya,Node, Manabu

, p. 2943 - 2951 (2007/10/03)

Enantiomerically pure allene-1,3-dicarboxylates were easily synthesized by using epimerization-crystallization of dissymmetric allene compounds, which were prepared from acetone-1,3-dicarboxylates and naturally abundant chiral alcohols, that is, (-)- and

Azeotropic transesterification of β-keto esters

Christoffers, Jens,Oenal, Necla

, p. 1633 - 1635 (2007/10/03)

Transesterifications of methyl β-keto carboxylates catalyzed by DMAP with various high boiling alcohols can be accomplished in refluxing cyclohexane in a Dean-Stark trap. The MeOH formed is removed completely from the reaction mixture as an azeotrope lead

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