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(E,Z)-1,2-dibenzylidenecyclopentane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

666236-37-9

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666236-37-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 666236-37-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,6,2,3 and 6 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 666236-37:
(8*6)+(7*6)+(6*6)+(5*2)+(4*3)+(3*6)+(2*3)+(1*7)=179
179 % 10 = 9
So 666236-37-9 is a valid CAS Registry Number.

666236-37-9Relevant academic research and scientific papers

Stereochemistry of the [2+4] cycloaddition of cyclopentyne

Gilbert, John C.,Hou, Duen-Ren

, p. 469 - 474 (2004)

The [2+4] cycloaddition of cyclopentyne with a pair of diastereomeric 1,3-dienes is found to occur with high stereoselectivity. The results support the applicability of the principles of orbital symmetry even in the case of this exceedingly reactive dienophile.

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