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benzyl (E)-4-chloro-4-oxo-2-butenoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

55656-55-8

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55656-55-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55656-55-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,6,5 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 55656-55:
(7*5)+(6*5)+(5*6)+(4*5)+(3*6)+(2*5)+(1*5)=148
148 % 10 = 8
So 55656-55-8 is a valid CAS Registry Number.

55656-55-8Relevant academic research and scientific papers

Stereoselectivity in the TiCl4-catalyzed [4 + 2] cycloaddition of cyclopentadiene to (2R)-bornane-10,2-sultam derivatives of fumaric acid monoesters

Achmatowicz, Michal,Chapuis, Christian,Rzepecki, Piotr,Jurczak, Janusz

, p. 182 - 190 (2007/10/03)

The [4 + 2] cycloaddition of cyclopentadiene to the (2R)-bornane-10,2- sultam derivative (-)-1b of fumaric monomethyl ester proceeds with high endo and π-facial diastereoselectivity in the presence of 0.5 mol-equiv. of TiCl4. The major diastere

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