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4-(4-bromophenyl)-5,6-dihydro-2H-pyran-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1353348-10-3

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1353348-10-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1353348-10-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,3,3,4 and 8 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1353348-10:
(9*1)+(8*3)+(7*5)+(6*3)+(5*3)+(4*4)+(3*8)+(2*1)+(1*0)=143
143 % 10 = 3
So 1353348-10-3 is a valid CAS Registry Number.

1353348-10-3Downstream Products

1353348-10-3Relevant academic research and scientific papers

Cu(I)-catalyzed oxidative cyclization of alkynyl oxiranes and oxetanes

Gronnier, Colombe,Kramer, Soren,Odabachian, Yann,Gagosz, Fabien

, p. 828 - 831 (2012/03/07)

In the presence of a Cu(I) catalyst and a pyridine oxide, alkynyl oxiranes and oxetanes can be converted into functionalized five- or six-membered α,β-unsaturated lactones or dihydrofuranaldehydes. This new oxidative cyclization is proposed to proceed via an unusual allenyloxypyridinium intermediate.

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