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3-Hydroxy-3-(trichloromethyl)-2-benzofuran-1(3H)-one is a complex organic chemical compound with the molecular formula C9H5Cl3O3. It is a derivative of benzofuran, a heterocyclic aromatic compound consisting of a benzene ring fused to a furan ring. The molecule features a hydroxyl group (-OH) at the 3-position, a trichloromethyl group (-CCl3) also at the 3-position, and a carbonyl group (C=O) at the 1-position. 3-hydroxy-3-(trichloromethyl)-2-benzofuran-1(3H)-one is known for its potential applications in the synthesis of various pharmaceuticals and agrochemicals, as well as its use as an intermediate in chemical reactions. Due to its structural complexity and functional groups, it is important to handle 3-hydroxy-3-(trichloromethyl)-2-benzofuran-1(3H)-one with care, as it may exhibit specific reactivity or toxicity.

2902-71-8

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2902-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2902-71-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,0 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2902-71:
(6*2)+(5*9)+(4*0)+(3*2)+(2*7)+(1*1)=78
78 % 10 = 8
So 2902-71-8 is a valid CAS Registry Number.

2902-71-8SDS

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-hydroxy-3-(trichloromethyl)-2-benzofuran-1-one

1.2 Other means of identification

Product number -
Other names 3-Hydroxy-3-trichlormethyl-phthalid

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:2902-71-8 SDS

2902-71-8Relevant academic research and scientific papers

Ring-chain tautomerism. Part 10 +. The reaction of oxocarboxylic acids with diazodiphenylmethane

Bowden, Keith,Misic-Vukovic, Milica M.,Ranson, Richard J.

, p. 1601 - 1606 (2007/10/03)

The rate coefficients for the esterification of a series of oxocarboxylic acids with diazodiphenylmethane have been determined in ethanol or 2-methoxyethanol at 30.0°C. These and the rates of reaction with model compounds have been used to estimate the equilibrium constants for ring-chain tautomerism for the oxocarboxylic acids.

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