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(E)-5-(3-Phenyl-oxiranyl)-pent-4-en-2-ynoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

344888-18-2

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344888-18-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344888-18-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,8,8 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 344888-18:
(8*3)+(7*4)+(6*4)+(5*8)+(4*8)+(3*8)+(2*1)+(1*8)=182
182 % 10 = 2
So 344888-18-2 is a valid CAS Registry Number.

344888-18-2Relevant academic research and scientific papers

TRANSFORMATION OF cis-ENYNE-SUBSTITUTED OXIRANES TO 2-VINYLFURANS SEVEN-MEMBERED CYCLOALLENES AS INTERMEDIATES ?

Roser, Joachim,Eberbach, Wolfgang

, p. 2455 - 2458 (2007/10/02)

Upon thermal activation the 1,2-epoxy-(Z)-3-hexen-5-ynes 5a-c are transformed predominantly into the 2-vinylfurans 9a-c/10a-c.A reaction mechanism is proposed which involves the transformation of 7-membered cycloallenes (structure 3) as central intermediates.

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