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1403879-55-9

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1403879-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1403879-55-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,3,8,7 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1403879-55:
(9*1)+(8*4)+(7*0)+(6*3)+(5*8)+(4*7)+(3*9)+(2*5)+(1*5)=169
169 % 10 = 9
So 1403879-55-9 is a valid CAS Registry Number.

1403879-55-9Downstream Products

1403879-55-9Relevant articles and documents

Nitroxyl Catalysts for Six-Membered Ring Bromolactonization and Intermolecular Bromoesterification of Alkenes with Carboxylic Acids

Moriyama, Katsuhiko,Kuramochi, Masako,Tsuzuki, Seiji,Fujii, Kozo,Morita, Takeshi

, p. 268 - 273 (2021)

We developed a nitroxyl-catalyzed bromoesterification of alkenes with bromo reagents, which includes a six-membered ring bromolactonization of alkenyl carboxylic acids catalyzed by AZADO as the nitroxyl radical catalyst, and an intermolecular bromoesterification of alkenes with carboxylic acids using NMO as the N-oxide catalyst. We also accomplished a remote diastereoselective bromohydroxylation via an AZADO-catalyzed six-membered ring bromolactonization and a subsequent ring cleavage reaction with alkylamines to furnish ?-bromo-δ-hydroxy amides with high diastereoselectivity.

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