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1333261-98-5

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1333261-98-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1333261-98-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,3,2,6 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1333261-98:
(9*1)+(8*3)+(7*3)+(6*3)+(5*2)+(4*6)+(3*1)+(2*9)+(1*8)=135
135 % 10 = 5
So 1333261-98-5 is a valid CAS Registry Number.

1333261-98-5Downstream Products

1333261-98-5Relevant articles and documents

Reagent-dictated site selectivity in intermolecular aliphatic C-H functionalizations using nitrogen-centered radicals

Carestia, Anthony M.,Ravelli, Davide,Alexanian, Erik J.

, p. 5360 - 5365 (2018/06/27)

The site selectivities of intermolecular, aliphatic C-H bond functionalizations are central to the value of these transformations. While the scope of these reactions continues to expand, the site selectivities remain largely dictated by the inherent reactivity of the substrate C-H bonds. Herein, we introduce reagent-dictated site selectivity to intermolecular aliphatic C-H functionalizations using nitrogen-centered amidyl radicals. Simple modifications of the amide lead to high levels of site selectivity in intermolecular C-H functionalizations across a range of simple and complex substrates. DFT calculations demonstrate that the steric demand of the reacting nitrogen-centered radical is heavily affected by the substitution pattern of the starting amide. Optimization of transition state structures consistently indicated higher reagent-dictated steric selectivities using more hindered amides, consistent with experimental results.

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