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249735-43-1

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249735-43-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 249735-43-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,9,7,3 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 249735-43:
(8*2)+(7*4)+(6*9)+(5*7)+(4*3)+(3*5)+(2*4)+(1*3)=171
171 % 10 = 1
So 249735-43-1 is a valid CAS Registry Number.

249735-43-1Downstream Products

249735-43-1Relevant articles and documents

New 1,3,5-heterocyclohexanes: Dioxazines, oxadiazines, thiadiazines, oxathiazines and triazines and their amination, transamination and disproportionation reactions

Flores-Parra, Angelina,Sanchez-Ruiz, Sonia A.

, p. 2079 - 2092 (2007/10/03)

New 1,3,5-heterocyclohexanes: 5-alkyl-1,3,5-dioxazines (R= iPr, tBu and [R]-α-methylbenzyl), 3,5-di([R]-α-methylbenzyl)-1,3,5-oxadiazine, 3,5- di([R]-α-methylbenzyl)-1,3,5-thiadiazine, 5-isopropyl-1,3,5-oxathiazine, 1- isopropyl-3,5-dimethyl-1,3,5-triazine, 1-tert-butyl-3,5-dimethyl-1,3,5- triazine are reported. Amination and transamination reactions of 1,3,5- heterocyclohexanes were investigated. Equilibria between different heterocycles were found. 13C NMR studies allowed to observe new 1,3,5- heterocycles: 1,3,5-triazines bearing two different alkyl substituents, 3,5- ditert-butyl-1,3,5-thiadiazine, 3-tert-butyl-5-isopropyl-1,3,5-oxadiazine. 1,3,5-heterocyclohexanes present a ring fluxional behavior, the ring inversion energy was calculated for dioxazines, oxadiazine, thiadiazines and triazines.

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