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2,4,5-Trichlorophenylacetic acid is an organochlorine compound with the chemical formula C8H5Cl3O2. It is a derivative of phenylacetic acid, featuring three chlorine atoms attached to the phenyl ring at the 2, 4, and 5 positions. This white crystalline solid is known for its herbicidal properties and was once used as a selective herbicide to control broadleaf weeds in various crops. However, due to its potential environmental and health risks, including persistence in soil and water, as well as its classification as a possible human carcinogen, its use has been restricted or banned in many countries. The compound is also of interest in environmental studies due to its presence as a contaminant in certain industrial processes and its potential impact on ecosystems.

2903-64-2

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2903-64-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2903-64-2 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 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 2903-64:
(6*2)+(5*9)+(4*0)+(3*3)+(2*6)+(1*4)=82
82 % 10 = 2
So 2903-64-2 is a valid CAS Registry Number.
InChI:InChI=1/C8H5Cl3O2/c9-5-3-7(11)6(10)1-4(5)2-8(12)13/h1,3H,2H2,(H,12,13)

2903-64-2SDS

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 2-(2,4,5-trichlorophenyl)acetic acid

1.2 Other means of identification

Product number -
Other names 2,4,5-Trichloro-phenylacetic acid

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:2903-64-2 SDS

2903-64-2Relevant academic research and scientific papers

METABOLISM OF CHLOROPHENYLALANINES IN CROP AND WEED PLANTS IN RELATION TO THE FORMATION OF POTENTIAL HERBICIDAL END PRODUCTS

Taylor, David C.,Wightman, Frank,Kazakoff, Clem W.

, p. 51 - 72 (2007/10/02)

Metabolism of 12 synthetic D,L-chlorophenylalanines has been examined in several crop and weed plants.Twenty-five gram samples of excised shoots or leaves of bushbean, soybean, corn, pigweed, lambsquarters, and giant foxtail were allowed to metabolize 10-4 M solutions of the D,L-chlorophenylalanines for 24 hr in continuous light.The plant samples were then extracted in 80percent methanol and the soluble acidic metabolites fractionated into ether.Each ether concentrate was partially purified by fractional elution from a PrepSep C18 coloumn and then analysed by HPLC.Collected fractions were esterified with pentafluorobenzylbromide and examined by GC-MS to demonstrate the presence of PFB-esters of chlorophenylacetic, chlorobenzoic and/or chlorocinnamic acids.Since certain of these metabolites are known to be potent plant growth-regulators and herbicides, the results are discussed in relation to the potantial herbicidal action of certain chlorophenylalanines by the mechanism of 'lethal synthesis'.Key Word Index - Phaseolus vulgaris; Glycine max.; Leguminosae; Zea mays; Amaranthus retroflexus; Chenopodium album; Setaria faberii; metabolism; D,L-chlorophenylalanines; chlorophenylacetic acids; chlorobenzoic acids; chlorocinnamic acids; growth regulators.

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