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4H-1-Benzopyran-4-one, 3-[(1Z)-2-(4-chlorophenyl)ethenyl]-6-methyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

652968-68-8

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652968-68-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 652968-68-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,2,9,6 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 652968-68:
(8*6)+(7*5)+(6*2)+(5*9)+(4*6)+(3*8)+(2*6)+(1*8)=208
208 % 10 = 8
So 652968-68-8 is a valid CAS Registry Number.

652968-68-8Relevant academic research and scientific papers

Wittig reactions of chromone-3-carboxaldehydes with benzylidenetriphenyl phosphoranes: A new synthesis of 3-styrylchromones

Sandulache, Angela,Silva, Artur M. S.,Pinto, Diana C. G. A.,Almeida, Lucia M. P. M.,Cavaleiro, Jose A. S.

, p. 1592 - 1598 (2003)

An efficient route to 3-styrylchromones has been developed and applied to syntheses of several new derivatives. Wittig reactions of chromone-3- carboxaldehydes with some benzylic ylides gave a diastereomeric mixture of (E) and (Z)-3-styrylchromones that a

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