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(E)-2-(4-methoxystyryl)-2H-pyran-4(3H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1365565-21-4

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1365565-21-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1365565-21-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,6,5,5,6 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1365565-21:
(9*1)+(8*3)+(7*6)+(6*5)+(5*5)+(4*6)+(3*5)+(2*2)+(1*1)=174
174 % 10 = 4
So 1365565-21-4 is a valid CAS Registry Number.

1365565-21-4Relevant academic research and scientific papers

Competitive [2,3]-and [1,2]-oxonium ylide rearrangements. Concerted or stepwise?

Jaber, Deana M.,Burgin, Ryan N.,Helper, Matthew,Zavalij, Peter Y.,Doyle, Michael P.

, p. 1676 - 1679 (2012)

The axial-equatorial conformational isomer distribution of the reactant diazoacetoacetate or its metal carbene intermediate is reflected in Rh(II) catalyzed oxonium ylide forming reactions of 3-(trans-2-arylvinyl) tetrahydropyranone-5-diazoacetoacetates that afford diastereoisomeric products for both the symmetry-allowed [2,3]-and the formally symmetry-forbidden [1,2]-oxonium ylide rearrangements.

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