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98304-59-7

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98304-59-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98304-59-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,0 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98304-59:
(7*9)+(6*8)+(5*3)+(4*0)+(3*4)+(2*5)+(1*9)=157
157 % 10 = 7
So 98304-59-7 is a valid CAS Registry Number.

98304-59-7Relevant articles and documents

Steady-State and Laser Flash Photolysis Studies of 1-Aziridinyl-1,2-dibenzoylalkenes

Barik, Rabindra,Kumar, Challa V.,Das, Paritosh K.,George, Manapurathu V.

, p. 4309 - 4317 (2007/10/02)

Results of a photochemical study based on product analysis and 337.1-nm laser flash photolysis are reported for several cis- and trans-1,2-dibenzoylethylenes bearing aziridinyl groups at the 1-position.Products isolated from steady-state photolysis suggest facile ring expansion yielding pyrrolines as well as extrusion of alkenes from the aziridine moieties forming nitrene fragments, which subsequently undergo ring closure to give isoxazoles.Laser flash photolysis studies show transient absorption changes, explainable in terms of cis-trans photoisomerisation and formation of azomethine ylides.The latter are also observed upon steady-state irradiation of these aziridinyl-1,2-dibenzoylethylenes in an EPA glass at 77 K.

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