| Record Information | 
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| Version | 5.0 | 
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| Status | Expected but not Quantified | 
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| Creation Date | 2012-09-13 11:40:22 UTC | 
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| Update Date | 2023-02-21 17:28:58 UTC | 
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| HMDB ID | HMDB0041810 | 
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| Secondary Accession Numbers |  | 
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| Metabolite Identification | 
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| Common Name | 4-Chlorocatechol | 
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| Description | 4-Chlorocatechol belongs to the class of organic compounds known as 4-chlorocatechols. These are chlorocatechols with the chlorine atom attached at position C4 of the benzene ring. 4-Chlorocatechol is a primary metabolite. Primary metabolites are metabolically or physiologically essential metabolites. They are directly involved in an organism’s growth, development or reproduction. Based on a literature review a significant number of articles have been published on 4-Chlorocatechol. | 
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| Structure | InChI=1S/C6H5ClO2/c7-4-1-2-5(8)6(9)3-4/h1-3,8-9H  | 
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| Synonyms | | Value | Source | 
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 | 4-Chloro-1,2-benzenediol | ChEBI |  | 4-Chloropyrocatechol | ChEBI |  | 4-Chloro-benzene-1,2-diol | HMDB |  | 4-Chloro-pyrocatechol | HMDB |  | 4-Chlorobenzene-1,2-diol | HMDB |  
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| Chemical Formula | C6H5ClO2 | 
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| Average Molecular Weight | 144.556 | 
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| Monoisotopic Molecular Weight | 143.997807111 | 
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| IUPAC Name | 4-chlorobenzene-1,2-diol | 
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| Traditional Name | 4-chlorocatechol | 
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| CAS Registry Number | 2138-22-9 | 
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| SMILES | OC1=C(O)C=C(Cl)C=C1  | 
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| InChI Identifier | InChI=1S/C6H5ClO2/c7-4-1-2-5(8)6(9)3-4/h1-3,8-9H  | 
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| InChI Key | WWOBYPKUYODHDG-UHFFFAOYSA-N | 
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| Chemical Taxonomy | 
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| Description |  Belongs to the class of organic compounds known as 4-chlorocatechols. These are chlorocatechols with the chlorine atom attached at position C4 of the benzene ring. | 
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| Kingdom | Organic compounds   | 
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| Super Class | Benzenoids   | 
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| Class | Phenols   | 
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| Sub Class | Benzenediols   | 
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| Direct Parent | 4-chlorocatechols   | 
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| Alternative Parents |  | 
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| Substituents | - 4-chlorocatechol
 
- 4-halophenol
 
- 3-halophenol
 
- 3-chlorophenol
 
- 4-chlorophenol
 
- 1-hydroxy-4-unsubstituted benzenoid
 
- Halobenzene
 
- Chlorobenzene
 
- 1-hydroxy-2-unsubstituted benzenoid
 
- Aryl chloride
 
- Monocyclic benzene moiety
 
- Aryl halide
 
- Organooxygen compound
 
- Organochloride
 
- Organohalogen compound
 
- Hydrocarbon derivative
 
- Organic oxygen 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 | Solid | 
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| Experimental Molecular Properties | | Property | Value | Reference | 
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 | Melting Point | 90.5 °C | 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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 | Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 3.75 minutes | 32390414   |  | Predicted by Siyang on May 30, 2022 | 11.5896 minutes | 33406817   |  | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.33 minutes | 32390414   |  | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 92.7 seconds | 40023050   |  | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1333.1 seconds | 40023050   |  | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 421.3 seconds | 40023050   |  | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 156.1 seconds | 40023050   |  | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 290.5 seconds | 40023050   |  | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 302.9 seconds | 40023050   |  | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 498.6 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 | 466.6 seconds | 40023050   |  | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 227.9 seconds | 40023050   |  | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 901.9 seconds | 40023050   |  | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 363.9 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 | 1057.3 seconds | 40023050   |  | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 314.5 seconds | 40023050   |  | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 352.6 seconds | 40023050   |  | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 613.2 seconds | 40023050   |  | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 250.7 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 | 199.3 seconds | 40023050   |  
 Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference | 
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 | 4-Chlorocatechol,1TMS,isomer #1 | C[Si](C)(C)OC1=CC=C(Cl)C=C1O | 1387.4 | Semi standard non polar | 33892256   |  | 4-Chlorocatechol,1TMS,isomer #2 | C[Si](C)(C)OC1=CC(Cl)=CC=C1O | 1381.9 | Semi standard non polar | 33892256   |  | 4-Chlorocatechol,2TMS,isomer #1 | C[Si](C)(C)OC1=CC=C(Cl)C=C1O[Si](C)(C)C | 1473.5 | Semi standard non polar | 33892256   |  | 4-Chlorocatechol,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C(Cl)C=C1O | 1626.8 | Semi standard non polar | 33892256   |  | 4-Chlorocatechol,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=CC(Cl)=CC=C1O | 1602.6 | Semi standard non polar | 33892256   |  | 4-Chlorocatechol,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C(Cl)C=C1O[Si](C)(C)C(C)(C)C | 1966.8 | Semi standard non polar | 33892256   |  
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