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N-(2-oxo-2-phenylethyl)-7-diethylamino-2-oxo-2H-chromene-3-carboxamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

321354-90-9

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321354-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 321354-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,3,5 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 321354-90:
(8*3)+(7*2)+(6*1)+(5*3)+(4*5)+(3*4)+(2*9)+(1*0)=109
109 % 10 = 9
So 321354-90-9 is a valid CAS Registry Number.

321354-90-9Downstream Products

321354-90-9Relevant academic research and scientific papers

Screening search for organic fluorophores: Syntheses and fluorescence properties of 3-azolyl-7-diethylaminocoumarin derivatives

Takechi,Oda,Nishizono,Oda,Machida

, p. 1702 - 1710 (2000)

In order to find a highly sensitive fluorophore, 3-azolyl-7-diethylaminocoumarin derivatives were synthesized. Both the absorption and fluorescence maxima of the coumarin-thiazole compounds showed red shifts with increases of the molar absorptivities and fluorescence intensities, in comparison with those of the corresponding coumarin-oxazole compounds. Among them, 3-(5-ethoxycarbonyl-1,3-thiazol-2-yl)-7-diethylamino-2H-chromen-2-one (3e) was one of the most promising candidates as a fluorophore accessible for analytical purposes in the fields of analytical and biological chemistry.

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