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40641-03-0

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40641-03-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40641-03-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,6,4 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 40641-03:
(7*4)+(6*0)+(5*6)+(4*4)+(3*1)+(2*0)+(1*3)=80
80 % 10 = 0
So 40641-03-0 is a valid CAS Registry Number.

40641-03-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name ethyl 3-(1H-indol-3-yl)propanoate

1.2 Other means of identification

Product number -
Other names 3-indolepropanoic acid,ethyl ester

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:40641-03-0 SDS

40641-03-0Relevant articles and documents

Fluorescence Decay of Tryptophan Conformers in Aqueous Solution

Szabo, A. G.,Rayner, D. M.

, p. 554 - 563 (1980)

The fluorescence decay parameters of aqueous solutions of tryptophan and several tryptophan and indole derivatives are reported.The fluorescence decays of tryptophan, tryptophan ethyl ester, and 5-methyl- and 6-methyltryptophan are all described by double exponential kinetics.The relative proportions of the two components vary with emission wavelength.The fluorescence of all other derivatives obeys single exponential decay kinetics.In the case of tryptophan the two components, τ1 = 3.1 ns and τ2 = 0.51 ns, had fluorescence maxima at 350 and 335 nm, respectively.The origin of this behavior is discussed in terms of several models bur is most consistent with the assignment of the emission to different rotamers or conformers of the alanyl side chain of tryptophan.

Anhydrous Hydrogen Iodide-Mediated Reductive Indolization of in Situ-Generated Cyclopropyl Hydrazones

Yasui, Motohiro,Fujioka, Hiroki,Takeda, Norihiko,Ueda, Masafumi

supporting information, p. 43 - 47 (2021/12/17)

Fischer-type indolization of N-aryl-C-cyclopropyl hydrazones generated in situ followed by chemoselective reduction using tert-butyl iodide as an anhydrous HI generator was developed. This protocol provides indoles bearing carboxylic acid derivative units. A series of control experiments indicated the HI-mediated formation and reduction of spirocyclopropyl indolenines. Anhydrous HI functions as a Br?nsted acid as well as a reducing agent, facilitating the successful conversion of unstable reaction intermediates and iodinated mixtures in equilibrium.

Synthesis of CF3-Containing Spirocyclic Indolines via a Red-Light-Mediated Trifluoromethylation/Dearomatization Cascade

Gianetti, Thomas L.,Mei, Liangyong,Moutet, Jules,Stull, Savannah M.

supporting information, p. 10640 - 10653 (2021/07/31)

A red-light-mediated nPr-DMQA+-catalyzed cascade intramolecular trifluoromethylation and dearomatization of indole derivatives with Umemoto's reagent has been developed. This protocol provides a facile and efficient approach for the construction of functionalized and potentially biologically important CF3-containing 3,3-spirocyclic indolines with moderate to high yields and excellent diastereoselectivities under mild conditions. The success of multiple gram-scale (1 and 10 g) experiments further highlights the robustness and practicality of this protocol and the merit of the employment of red light. Mechanistic studies support the formation of a crucial CF3 radical species and a dearomatized benzyl carbocation intermediate.

COMPOUNDS FOR TREATING RAC-GTPASE MEDIATED DISORDER

-

Page/Page column 33, (2019/08/08)

This disclosure relates to certain compounds that are effective in the treatment of a Rac-GTPase mediated disorder (e.g., acute lymphoblastic or chronic myelogenous leukemia), as well as methods for the manufacture of and the use of these compounds (e.g.,

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