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2-Benzofurancarboxylic acid, 3-ethyl-, also known as 3-ethyl-2-benzofurancarboxylic acid, is an organic compound with the chemical formula C10H8O3. It is a derivative of benzofuran, a heterocyclic aromatic compound consisting of a benzene ring fused to a furan ring. The 3-ethyl substitution refers to an ethyl group (-CH2CH3) attached to the third carbon atom of the benzofuran structure. 2-Benzofurancarboxylic acid, 3-ethyl- is a white crystalline solid and is used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly in the production of herbicides and other chemical products. Its chemical properties include acidity, as it can donate a proton (H+) to form a salt, and it is also capable of undergoing various chemical reactions such as esterification and amidation.

26690-96-0

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26690-96-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 26690-96-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,6,9 and 0 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 26690-96:
(7*2)+(6*6)+(5*6)+(4*9)+(3*0)+(2*9)+(1*6)=140
140 % 10 = 0
So 26690-96-0 is a valid CAS Registry Number.

26690-96-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-ethyl-1-benzofuran-2-carboxylic acid

1.2 Other means of identification

Product number -
Other names 2-Benzofurancarboxylic acid,3-ethyl

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:26690-96-0 SDS

26690-96-0Relevant academic research and scientific papers

Benzofuran derivatives as orexin receptor antagonists

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Page/Page column 12-13, (2010/04/24)

The invention relates to compounds of formula (I) wherein R1, R2 and R3 have the meaning as cited in the description and the claims. Said compounds are useful as Orexin Receptor antagonists. The invention also relates to p

Biaryl sulfonamides and methods for using same

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Page/Page column 47, (2010/02/12)

The present invention relates to biaryl sulfonamides and their use as, for example, metalloproteinase inhibitors.

The Generation and Synthetic Utility of Dianions derived from Benzofurancarboxylic Acids

Buttery, Cheryl D.,Knight, David W.,Nott, Andrew P.

, p. 2839 - 2843 (2007/10/02)

The dianionic species, lithium 2-lithiobenzofuran-3-carboxylate (5) and lithium 3-lithiobenzofuran-2-carboxylate (11b) can be readily generated from the parent acids by reaction with lithium diisopropylamide in tetrahydrofuran at low temperatures.While co

METHODS FOR THE HOMOLOGATION OF BENZOFURANCARBOXYLIC ACIDS USING DIANIONIC INTERMEDIATES

Buttery, Cheryl D.,Knight, David W.,Nott, Andrew P.

, p. 4127 - 4130 (2007/10/02)

Dianions (2), (5), and (10), can be derived from the corresponding benzofurancarboxylic acids using lithium diisopropylamide, and are useful intermediates for the homologation of the parent acids.

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