| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2021-09-11 13:37:47 UTC |
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| Update Date | 2021-09-26 23:08:19 UTC |
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| HMDB ID | HMDB0254366 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | (4-Chloro-2-methylphenoxy)acetic acid |
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| Description | 2-Methyl-4-chlorophenoxyacetic acid, also known as 2,4-mcpa or agroxone, belongs to the class of organic compounds known as chlorophenoxyacetates. Chlorophenoxyacetates are compounds containing a phenoxyacetate that carries one or more chlorine atoms on the benzene ring. This includes 2,3,7,8-tetrachlorodibenzo-p-dioxin's carcinogenicity is thought to be the result of its ability to alter the capacity of both exogenous and endogenous substances to damage the DNA by inducing CYP1A1- and CYP1A2-dependent drug-metabolizing enzymes. In addition, studies have shown that CDDs may disrupt the endocrine system and weaken the immune system, as well as cause reproductive damage and birth defects, central and peripheral nervous system pathology, thyroid disorders, endometriosis, and diabetes. 2-Methyl-4-chlorophenoxyacetic acid is an extremely weak basic (essentially neutral) compound (based on its pKa). 2-Methyl-4-chlorophenoxyacetic acid is formally rated as a possible carcinogen (by IARC 2B) and is also a potentially toxic compound. The affinity for the Ah receptor depends on the structure of the specific CDD. Clovers are tolerant at moderate application levels. Treatment may include washing any areas of contact, GI decontamination if swallowed, administering an IV and forced alkaline diuresis. The affected genes include several oncogenes, growth factors, receptors, hormones, and drug-metabolizing enzymes. This compound has been identified in human blood as reported by (PMID: 31557052 ). (4-chloro-2-methylphenoxy)acetic acid is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically (4-Chloro-2-methylphenoxy)acetic acid is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources. |
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| Structure | InChI=1S/C9H9ClO3/c1-6-4-7(10)2-3-8(6)13-5-9(11)12/h2-4H,5H2,1H3,(H,11,12) |
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| Synonyms | | Value | Source |
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| ((4-Chloro-O-tolyl)oxy)acetic acid | ChEBI | | (2-Methyl-4-chlorophenoxy)acetic acid | ChEBI | | 2,4-MCPA | ChEBI | | 2-Methyl-4-chlorphenoxyessigsaeure | ChEBI | | [(4-Chloro-O-tolyl)oxy]acetic acid | ChEBI | | Agroxone | ChEBI | | MCP | ChEBI | | MCPA | ChEBI | | ((4-Chloro-O-tolyl)oxy)acetate | Generator | | (2-Methyl-4-chlorophenoxy)acetate | Generator | | [(4-Chloro-O-tolyl)oxy]acetate | Generator | | 2-Methyl-4-chlorophenoxyacetate | Generator | | Methoxone | MeSH | | 2 Methyl 4 chlorophenoxyacetic acid | MeSH |
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| Chemical Formula | C9H9ClO3 |
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| Average Molecular Weight | 200.619 |
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| Monoisotopic Molecular Weight | 200.024021861 |
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| IUPAC Name | 2-(4-chloro-2-methylphenoxy)acetic acid |
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| Traditional Name | zelan |
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| CAS Registry Number | Not Available |
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| SMILES | CC1=CC(Cl)=CC=C1OCC(O)=O |
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| InChI Identifier | InChI=1S/C9H9ClO3/c1-6-4-7(10)2-3-8(6)13-5-9(11)12/h2-4H,5H2,1H3,(H,11,12) |
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| InChI Key | WHKUVVPPKQRRBV-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as chlorophenoxyacetates. Chlorophenoxyacetates are compounds containing a phenoxyacetate that carries one or more chlorine atoms on the benzene ring. |
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| Kingdom | Organic compounds |
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| Super Class | Benzenoids |
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| Class | Benzene and substituted derivatives |
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| Sub Class | Phenoxyacetic acid derivatives |
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| Direct Parent | Chlorophenoxyacetates |
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| Alternative Parents | |
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| Substituents | - Chlorophenoxyacetate
- Phenoxy compound
- Phenol ether
- Alkyl aryl ether
- Toluene
- Chlorobenzene
- Halobenzene
- Aryl chloride
- Aryl halide
- Carboxylic acid derivative
- Carboxylic acid
- Ether
- Monocarboxylic acid or derivatives
- Organooxygen compound
- Organic oxygen compound
- Carbonyl group
- Organic oxide
- Organochloride
- Hydrocarbon derivative
- Organohalogen compound
- Aromatic homomonocyclic compound
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| Molecular Framework | Aromatic homomonocyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | Not Available |
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| Role | Not Available |
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| Physical Properties |
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| State | Not Available |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Experimental Chromatographic Properties | Not Available |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Predicted by Siyang on May 30, 2022 | 14.0985 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.69 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1810.4 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 477.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 172.0 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 323.9 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 250.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 590.5 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 612.4 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 144.2 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1138.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 488.8 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 1382.8 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 411.2 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 398.6 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 470.6 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 258.5 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 47.2 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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