Page last updated: 2024-11-06

clomazone

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Description

Clomazone is a pre-emergent herbicide used to control broadleaf weeds in a variety of crops, including corn, soybeans, and cotton. It is a member of the triazine herbicide family and works by inhibiting the synthesis of carotenoids, which are essential for photosynthesis. Clomazone is readily absorbed by plants through the roots and shoots. Once absorbed, it is translocated throughout the plant and inhibits the growth of weeds by preventing the production of carotenoids, which are essential for photosynthesis. Clomazone is effective against a wide range of weeds, including velvetleaf, pigweed, and morningglory. However, it can also be harmful to some crops, so it is important to follow the label directions carefully. Clomazone is widely used in agriculture, but it can also be found in the environment, where it can have negative impacts on aquatic life and other organisms. As a result, research is ongoing to better understand the environmental fate and effects of clomazone. In addition to its use in agriculture, clomazone has also been studied for its potential use as a biocontrol agent for invasive plants. For example, research has shown that clomazone can effectively control the growth of the invasive plant, spotted knapweed. Clomazone has also been investigated for its potential use in weed management in non-agricultural settings, such as roadsides and parks. Clomazone is a synthetic herbicide that is manufactured through a multi-step process involving the reaction of various chemicals. The synthesis of clomazone is a complex process that involves several steps and requires specialized equipment and expertise.'

clomazone: an herbicide [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

clomazone : An isoxazolidinone that is 1,2-oxazolidin-3-one substituted by a 2-chlorobenzyl group at position 2 and two methyl groups at position 4. [Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Cross-References

ID SourceID
PubMed CID54778
CHEMBL ID1076356
CHEBI ID3751
SCHEMBL ID23519
MeSH IDM0250877

Synonyms (52)

Synonym
AC-12514
2-(2-chlorobenzyl)-4,4-dimethyl-3-isoxazolidinone
dimethazone
command
clomazone [iso]
hsdb 6614
fmc 57020
2-((2-chlorophenyl)methyl)-4,4-dimethyl-3-isoxazolidinone
gamit
2-(2-chlorobenzyl)-4,4-dimethyl-1,2-oxazolidin-3-one
3-isoxazolidinone, 2-((2-chlorophenyl)methyl)-4,4-dimethyl-
epa pesticide chemical code 125401
clomazone
81777-89-1
fmc57020
NCGC00163923-01
2-(2-chlorobenzyl)-4,4-dimethylisoxazolidin-3-one
NCGC00163923-02
CHEMBL1076356
chebi:3751 ,
2-[(2-chlorophenyl)methyl]-4,4-dimethyl-1,2-oxazolidin-3-one
NCGC00163923-03
ccris 9263
unii-570rac03nf
clomazone [ansi:iso]
570rac03nf ,
cas-81777-89-1
NCGC00254860-01
dtxsid1032355 ,
tox21_300958
dtxcid9012355
FT-0641841
AKOS015899346
SCHEMBL23519
fmc-57020
clomazone [mi]
dimethazone [hsdb]
2-[(2-chlorophenyl)methyl]-4,4-dimethyl-isoxazolidin-3-one
2-(2-chlorophenyl)methyl-4,4-dimethyl-3-isoxazolidinone
2-(2-chlorobenzyl)-4,4-dimethyl-3-isoxazolidinone #
clomazone, pestanal(r), analytical standard
clomazone 10 microg/ml in acetonitrile
clomazone 10 microg/ml in cyclohexane
Q2187383
AS-15910
clomazon
AMY23321
CS-W020934
clomazone 1000 microg/ml in acetone
C76620
A922687
HY-W040194

Research Excerpts

Overview

Clomazone is a potent herbicide for controlling weeds that have evolved resistance to other herbicides due to its unique mode of action. It is a popular herbicide used on California rice fields and exhibits rapid anaerobic microbial degradation (t(1/2) = 7.9 days)

ExcerptReferenceRelevance
"Clomazone is a pesticide with a high contamination potential which could possibility lixiviate to water streams."( Morphoanatomical injuries in Pistia stratiotes L. (Araceae) as a result of exposure to clomazone in water.
Alencar, BTB; Cabral, CM; Coutinho, ÍAC; Ferreira, EA; Francino, DMT; Ribeiro, VHV; Santos, JBD, 2020
)
1.5
"Clomazone is a potent herbicide for controlling weeds that have evolved resistance to other herbicides due to its unique mode of action. "( Investigation of clomazone-tolerance mechanism in a long-grain cultivar of rice.
Endo, M; Guo, F; Iwakami, S; Matsumoto, H; Sunohara, Y; Uchino, A; Yamaguchi, T, 2021
)
2.4
"Clomazone is a post-emergent herbicide marketed as Gamit"( Use of Pistia stratiotes for phytoremediation of water resources contaminated by clomazone.
Bianchini, MC; da Cruz Pereira, G; Denardin, ELG; Escoto, DF; Gayer, MC; Roehrs, R, 2019
)
1.46
"Clomazone is a herbicide used in the cultivation of numerous crops due to its unique site of action and effectiveness on weeds. "( Role of CYP81A cytochrome P450s in clomazone metabolism in Echinochloa phyllopogon.
Guo, F; Iwakami, S; Matsumoto, H; Sunohara, Y; Uchino, A; Yamaguchi, T, 2019
)
2.23
"Clomazone is an herbicide widely used in rice fields, where amphibian species live."( Hepatic effects of the clomazone herbicide in both its free form and associated with chitosan-alginate nanoparticles in bullfrog tadpoles.
Abdalla, FC; Costa, MJ; de Oliveira, CR; Fraceto, LF; Rizzi, GM; Salla, RF; Silva-Zacarin, EC, 2016
)
1.47
"Clomazone is a herbicide used to control broadleaf weeds and grasses. "( The behavior of clomazone in the soil environment.
Claassen, VP; Curtis, MJ; dela Cruz, ID; Gunasekara, AS; Tjeerdema, RS, 2009
)
2.14
"Clomazone is a proherbicide that must be metabolized to 5-ketoclomazone, which is the active compound that inhibits deoxyxylulose 5-phosphate synthase, a key enzyme of the nonmevalonate isoprenoid pathway."( Differential oxidative metabolism and 5-ketoclomazone accumulation are involved in Echinochloa phyllopogon resistance to clomazone.
Fischer, AJ; Tjeerdema, RS; Tolstikov, VV; Yasuor, H; Zou, W, 2010
)
1.34
"Clomazone is a popular herbicide used on California rice fields and exhibits rapid anaerobic microbial degradation (t(1/2) = 7.9 days). "( Photolytic versus microbial degradation of clomazone in a flooded California rice field soil.
Tjeerdema, RS; Tomco, PL, 2012
)
2.08

Effects

ExcerptReferenceRelevance
"Clomazone has a weak to moderates oil adsorption coefficient; therefore, its affinity to sorb to soil is minimal, rendering it a potential threat to groundwater supplies.Microbial metabolism is the major degradation pathway, resulting in products such as 5-hydroxyclomazone, hydroxymethylclomazone, 2-chlorobenzyl alcohol and 3'-hydroxyclomazone."( Environmental fate and toxicology of clomazone.
Tjeerdema, RS; Van Scoy, AR, 2014
)
1.4
"Clomazone has high water solubility, and it is often assumed to undergo hydrolysis easily; unfortunately, this is not the case."( Environmental fate and toxicology of clomazone.
Tjeerdema, RS; Van Scoy, AR, 2014
)
1.4

Treatment

ExcerptReferenceRelevance
"Clomazone treatment resulted in a remarkable decrease of both compounds."( Effects of lovastatin, clomazone and methyl jasmonate treatment on the accumulation of purpurin and mollugin in cell suspension cultures of Rubia cordifolia.
Fan, X; Han, ZF; Hu, GS; Jia, JM; Li, N, 2013
)
1.42

Bioavailability

ExcerptReferenceRelevance
" Burned crop residues may effectively adsorb pesticides and thus influence their bioavailability in agricultural soils."( Burned rice straw reduces the availability of clomazone to barnyardgrass.
Liu, W; Sheng, GD; Xu, C, 2008
)
0.6
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Roles (5)

RoleDescription
environmental contaminantAny minor or unwanted substance introduced into the environment that can have undesired effects.
xenobioticA xenobiotic (Greek, xenos "foreign"; bios "life") is a compound that is foreign to a living organism. Principal xenobiotics include: drugs, carcinogens and various compounds that have been introduced into the environment by artificial means.
herbicideA substance used to destroy plant pests.
agrochemicalAn agrochemical is a substance that is used in agriculture or horticulture.
carotenoid biosynthesis inhibitorAny pathway inhibitor that acts on the carotenoid biosynthesis pathway.
[role information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Drug Classes (2)

ClassDescription
monochlorobenzenesAny member of the class of chlorobenzenes containing a mono- or poly-substituted benzene ring in which only one substituent is chlorine.
isoxazolidinoneAn oxazolidinone in which the N and O atoms are adjacent.
[compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Protein Targets (11)

Potency Measurements

ProteinTaxonomyMeasurementAverage (µ)Min (ref.)Avg (ref.)Max (ref.)Bioassay(s)
GLI family zinc finger 3Homo sapiens (human)Potency42.90930.000714.592883.7951AID1259369; AID1259392
AR proteinHomo sapiens (human)Potency47.94080.000221.22318,912.5098AID1259243; AID1259247; AID588515
nuclear receptor subfamily 1, group I, member 3Homo sapiens (human)Potency35.15790.001022.650876.6163AID1224838; AID1224839; AID1224893
progesterone receptorHomo sapiens (human)Potency61.13060.000417.946075.1148AID1346795
retinoic acid nuclear receptor alpha variant 1Homo sapiens (human)Potency63.88730.003041.611522,387.1992AID1159552; AID1159553; AID1159555
retinoid X nuclear receptor alphaHomo sapiens (human)Potency58.19650.000817.505159.3239AID1159531
pregnane X nuclear receptorHomo sapiens (human)Potency40.58940.005428.02631,258.9301AID1346982; AID720659
estrogen nuclear receptor alphaHomo sapiens (human)Potency138.00600.000229.305416,493.5996AID743075
vitamin D (1,25- dihydroxyvitamin D3) receptorHomo sapiens (human)Potency0.00450.023723.228263.5986AID588543
thyroid stimulating hormone receptorHomo sapiens (human)Potency5.44830.001628.015177.1139AID1224843
nuclear factor erythroid 2-related factor 2 isoform 1Homo sapiens (human)Potency57.92050.000627.21521,122.0200AID720636; AID743202; AID743219
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Bioassays (1)

Assay IDTitleYearJournalArticle
AID468443Inhibition of human FAAH at 1 uM2009Bioorganic & medicinal chemistry letters, Dec-01, Volume: 19, Issue:23
Mining biologically-active molecules for inhibitors of fatty acid amide hydrolase (FAAH): identification of phenmedipham and amperozide as FAAH inhibitors.
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (77)

TimeframeStudies, This Drug (%)All Drugs %
pre-19900 (0.00)18.7374
1990's1 (1.30)18.2507
2000's21 (27.27)29.6817
2010's44 (57.14)24.3611
2020's11 (14.29)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 52.49

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be very strong demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index52.49 (24.57)
Research Supply Index4.38 (2.92)
Research Growth Index5.14 (4.65)
Search Engine Demand Index86.46 (26.88)
Search Engine Supply Index2.12 (0.95)

This Compound (52.49)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials0 (0.00%)5.53%
Reviews1 (1.27%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other78 (98.73%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]