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34631-62-4

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34631-62-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34631-62-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,6,3 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 34631-62:
(7*3)+(6*4)+(5*6)+(4*3)+(3*1)+(2*6)+(1*2)=104
104 % 10 = 4
So 34631-62-4 is a valid CAS Registry Number.

34631-62-4Downstream Products

34631-62-4Relevant articles and documents

Regioselective Formal [3+2] Cycloadditions of Urea Substrates with Activated and Unactivated Olefins for Intermolecular Olefin Aminooxygenation

Wu, Fan,Alom, Nur-E,Ariyarathna, Jeewani P.,Na?, Johannes,Li, Wei

supporting information, p. 11676 - 11680 (2019/07/31)

A new class of intermolecular olefin aminooxygenation reaction is described. This reaction utilizes the classic halonium intermediate as a regio- and stereochemical template to accomplish the selective oxyamination of both activated and unactivated alkenes. Notably, urea chemical feedstock can be directly introduced as the N and O source and a simple iodide salt can be utilized as the catalyst. This formal [3+2] cycloaddition process provides a highly modular entry to a range of useful heterocyclic products with excellent selectivity and functional-group tolerance.

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