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1293965-62-4

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1293965-62-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1293965-62-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,3,9,6 and 5 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1293965-62:
(9*1)+(8*2)+(7*9)+(6*3)+(5*9)+(4*6)+(3*5)+(2*6)+(1*2)=204
204 % 10 = 4
So 1293965-62-4 is a valid CAS Registry Number.

1293965-62-4Downstream Products

1293965-62-4Relevant articles and documents

Tertiary alkoxyl radicals from 3-alkoxythiazole-2(3H)-thiones

Schur, Christine,Becker, Nina,Bergstr??er, Uwe,Gottwald, Thomas,Hartung, Jens

, p. 2338 - 2347 (2011/04/22)

This study deals with the synthesis of tert-O-alkyl thiohydroxamates and their use as tert-alkoxyl radical precursors. tert-Alkoxyl radicals were applied in mechanistic studies to determine rate constants of (i) p-chlorocumyloxyl radical addition to bicyclo[2.2.1]heptene (k=1×107 M -1 s-1), (ii) 2-phenylhex-5-en-2-oxyl radical 5-exo-trig-cyclization (kcis=3×109 s-1, ktrans=1×109 s-1), and (iii) 2-methyl-5-phenylpent-2-oxyl to 2-hydroxy-2-methyl-5-phenylpent-5-yl radical isomerization (1,5-H-atom shift; k=0.4-1.5×108 s-1). The reactions pose key steps in synthesis of 2,2,5-substituted tetrahydrofurans and 2-bromo-3-alkoxybicyclo[2.2.1]heptanes. Stereoselectivity in 5-exo-trig cyclization (2,5-cis) and intermolecular addition (exo/endo>99:1), originates from torsional strain in transition structures of alkoxyl radical reactions.

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