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7771-15-5

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7771-15-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7771-15-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,7 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 7771-15:
(6*7)+(5*7)+(4*7)+(3*1)+(2*1)+(1*5)=115
115 % 10 = 5
So 7771-15-5 is a valid CAS Registry Number.

7771-15-5Upstream product

7771-15-5Relevant articles and documents

Synthesis of stable isoxazolines by [3+2] cycloaddition of oxaziridines with alkynes

Fabio, Marilena,Ronzini, Ludovico,Troisi, Luigino

, p. 4979 - 4984 (2008/09/21)

N-Alkyl substituted oxaziridines undergo a [3+2] cycloaddition reaction with a variety of terminal alkynes to give the product isoxazolines, whose stability appears to depend on the electronic properties of the groups on the C-3 and C-5 positions. The presence of an electron withdrawing group on C-5 and/or an electron donating group on C-3 causes isomerization of the isoxazolines to β-amino enones.

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