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2-{[(2E)-but-2-enyl]phenylamino}-4-oxo-4H-1-benzopyran-3-carboxaldehyde is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

547741-46-8

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547741-46-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 547741-46-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,7,7,4 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 547741-46:
(8*5)+(7*4)+(6*7)+(5*7)+(4*4)+(3*1)+(2*4)+(1*6)=178
178 % 10 = 8
So 547741-46-8 is a valid CAS Registry Number.

547741-46-8Relevant academic research and scientific papers

Pericyclic transformations at the periphery of chromen-4-one (=4H-1-benzopyran-4-one): An unusual preference for a 1,5-shift of allylic moieties over the ene reaction

Singh, Gurmit,Singh, Gurpinder,Ishar, Mohan Paul S.

, p. 169 - 180 (2003)

Quite unlike the reported facile ene reactions on the periphery of many related heterocyclic systems, similarly disposed moieties on the periphery of the chromen-4-one (=4H-1-benzopyran-4-one) system fail to undergo an ene reaction and display a rather un

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