| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-06 15:16:50 UTC |
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| Update Date | 2022-03-07 02:51:43 UTC |
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| HMDB ID | HMDB0014746 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Chloroquine |
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| Description | Chloroquine is only found in individuals that have used or taken this drug. It is a prototypical antimalarial agent with a mechanism that is not well understood. It has also been used to treat rheumatoid arthritis, systemic lupus erythematosus, and in the systemic therapy of amebic liver abscesses. [PubChem]The mechanism of plasmodicidal action of chloroquine is not completely certain. Like other quinoline derivatives, it is thought to inhibit heme polymerase activity. This results in accumulation of free heme, which is toxic to the parasites. nside red blood cells, the malarial parasite must degrade hemoglobin to acquire essential amino acids, which the parasite requires to construct its own protein and for energy metabolism. Digestion is carried out in a vacuole of the parasite cell.During this process, the parasite produces the toxic and soluble molecule heme. The heme moiety consists of a porphyrin ring called Fe(II)-protoporphyrin IX (FP). To avoid destruction by this molecule, the parasite biocrystallizes heme to form hemozoin, a non-toxic molecule. Hemozoin collects in the digestive vacuole as insoluble crystals.Chloroquine enters the red blood cell, inhabiting parasite cell, and digestive vacuole by simple diffusion. Chloroquine then becomes protonated (to CQ2+), as the digestive vacuole is known to be acidic (pH 4.7); chloroquine then cannot leave by diffusion. Chloroquine caps hemozoin molecules to prevent further biocrystallization of heme, thus leading to heme buildup. Chloroquine binds to heme (or FP) to form what is known as the FP-Chloroquine complex; this complex is highly toxic to the cell and disrupts membrane function. Action of the toxic FP-Chloroquine and FP results in cell lysis and ultimately parasite cell autodigestion. In essence, the parasite cell drowns in its own metabolic products. |
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| Structure | CCN(CC)CCCC(C)NC1=C2C=CC(Cl)=CC2=NC=C1 InChI=1S/C18H26ClN3/c1-4-22(5-2)12-6-7-14(3)21-17-10-11-20-18-13-15(19)8-9-16(17)18/h8-11,13-14H,4-7,12H2,1-3H3,(H,20,21) |
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| Synonyms | | Value | Source |
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| Aralen | ChEBI | | Artrichin | ChEBI | | Bemaphate | ChEBI | | Capquin | ChEBI | | Chlorochin | ChEBI | | Chloroquinum | ChEBI | | Cloroquina | ChEBI | | N(4)-(7-Chloro-4-quinolinyl)-N(1),N(1)-diethyl-1,4-pentanediamine | ChEBI | | Nivaquine b | ChEBI | | Resoquine | ChEBI | | Reumachlor | ChEBI | | Sanoquin | ChEBI | | Bemaphic acid | Generator | | Chloraquine | HMDB | | Chlorochine | HMDB | | Chloroquina | HMDB | | Chloroquinium | HMDB | | Chlorquin | HMDB | | Clorochina | HMDB | | Chingamin | HMDB | | Arechine | HMDB | | Khingamin | HMDB | | Sulphate, chloroquine | HMDB | | Arequin | HMDB | | Chloroquine sulfate | HMDB | | Chloroquine sulphate | HMDB | | Nivaquine | HMDB | | Sulfate, chloroquine | HMDB |
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| Chemical Formula | C18H26ClN3 |
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| Average Molecular Weight | 319.872 |
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| Monoisotopic Molecular Weight | 319.181525554 |
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| IUPAC Name | 7-chloro-N-[5-(diethylamino)pentan-2-yl]quinolin-4-amine |
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| Traditional Name | 7-chloro-N-[5-(diethylamino)pentan-2-yl]quinolin-4-amine |
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| CAS Registry Number | 54-05-7 |
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| SMILES | CCN(CC)CCCC(C)NC1=C2C=CC(Cl)=CC2=NC=C1 |
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| InChI Identifier | InChI=1S/C18H26ClN3/c1-4-22(5-2)12-6-7-14(3)21-17-10-11-20-18-13-15(19)8-9-16(17)18/h8-11,13-14H,4-7,12H2,1-3H3,(H,20,21) |
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| InChI Key | WHTVZRBIWZFKQO-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as 4-aminoquinolines. These are organic compounds containing an amino group attached to the 4-position of a quinoline ring system. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Quinolines and derivatives |
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| Sub Class | Aminoquinolines and derivatives |
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| Direct Parent | 4-aminoquinolines |
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| Alternative Parents | |
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| Substituents | - 4-aminoquinoline
- Haloquinoline
- Chloroquinoline
- Aminopyridine
- Secondary aliphatic/aromatic amine
- Aryl chloride
- Aryl halide
- Pyridine
- Benzenoid
- Heteroaromatic compound
- Tertiary aliphatic amine
- Tertiary amine
- Azacycle
- Secondary amine
- Amine
- Organonitrogen compound
- Organochloride
- Organohalogen compound
- Hydrocarbon derivative
- Organopnictogen compound
- Organic nitrogen compound
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic 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 | 289 °C | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 0.018 g/L | Not Available | | LogP | 4.3 | Not Available |
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| Experimental Chromatographic Properties | Experimental Collision Cross Sections |
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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. | 5.96 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 10.3537 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.42 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 175.0 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1227.0 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 185.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 138.3 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 154.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 77.4 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 343.0 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 | 321.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 354.0 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 696.3 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 70.3 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 | 647.5 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 185.4 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 247.6 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 450.7 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 445.2 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 | 31.6 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Chloroquine,1TMS,isomer #1 | CCN(CC)CCCC(C)N(C1=CC=NC2=CC(Cl)=CC=C12)[Si](C)(C)C | 2501.8 | Semi standard non polar | 33892256 | | Chloroquine,1TMS,isomer #1 | CCN(CC)CCCC(C)N(C1=CC=NC2=CC(Cl)=CC=C12)[Si](C)(C)C | 2556.7 | Standard non polar | 33892256 | | Chloroquine,1TMS,isomer #1 | CCN(CC)CCCC(C)N(C1=CC=NC2=CC(Cl)=CC=C12)[Si](C)(C)C | 3066.3 | Standard polar | 33892256 | | Chloroquine,1TBDMS,isomer #1 | CCN(CC)CCCC(C)N(C1=CC=NC2=CC(Cl)=CC=C12)[Si](C)(C)C(C)(C)C | 2690.1 | Semi standard non polar | 33892256 | | Chloroquine,1TBDMS,isomer #1 | CCN(CC)CCCC(C)N(C1=CC=NC2=CC(Cl)=CC=C12)[Si](C)(C)C(C)(C)C | 2787.2 | Standard non polar | 33892256 | | Chloroquine,1TBDMS,isomer #1 | CCN(CC)CCCC(C)N(C1=CC=NC2=CC(Cl)=CC=C12)[Si](C)(C)C(C)(C)C | 3150.9 | Standard polar | 33892256 |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental GC-MS | GC-MS Spectrum - Chloroquine CI-B (Non-derivatized) | splash10-00di-0009000000-d54119d64cfc341cee7d | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Chloroquine CI-B (Non-derivatized) | splash10-00di-0009000000-d54119d64cfc341cee7d | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Chloroquine GC-MS (Non-derivatized) - 70eV, Positive | splash10-0pbi-9242000000-6cd79ce1c8a9ada4550d | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Chloroquine GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | MS | Mass Spectrum (Electron Ionization) | splash10-000i-9320000000-2663c398ede2e502ca34 | 2014-09-20 | Not Available | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental LC-MS/MS | LC-MS/MS Spectrum - Chloroquine 40V, Positive-QTOF | splash10-002p-8920000000-552012cb889bf65320d8 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Chloroquine 20V, Positive-QTOF | splash10-0002-0391000000-7360fd3b6728bd6574b8 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Chloroquine 10V, Positive-QTOF | splash10-00di-0029000000-3ea9f3105801d7abf080 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Chloroquine 10V, Positive-QTOF | splash10-00di-0119000000-8f9d4513bf5993f3c9c4 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Chloroquine 20V, Positive-QTOF | splash10-00dl-3957000000-e533e26da609c9329dae | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Chloroquine 40V, Positive-QTOF | splash10-00bc-9530000000-646244109f4c47e0c2a6 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Chloroquine 10V, Negative-QTOF | splash10-014i-0009000000-d45e56a4f82a2d58657d | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Chloroquine 20V, Negative-QTOF | splash10-014i-1229000000-09769326d92e55dd78aa | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Chloroquine 40V, Negative-QTOF | splash10-00fu-9630000000-f2986e805921cc8d3a37 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Chloroquine 10V, Positive-QTOF | splash10-00di-0049000000-7e55e664b21e89ddbe44 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Chloroquine 20V, Positive-QTOF | splash10-00dj-0198000000-64a0ed0e3e428bf65cbb | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Chloroquine 40V, Positive-QTOF | splash10-004r-6950000000-75bff8c32e9dcca35dbf | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Chloroquine 10V, Negative-QTOF | splash10-014i-0009000000-b550e787bd639403cc76 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Chloroquine 20V, Negative-QTOF | splash10-014i-0109000000-3494d09f71ff43a3ce73 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Chloroquine 40V, Negative-QTOF | splash10-004i-2910000000-efba909b8046e2bf2c67 | 2021-10-11 | Wishart Lab | View Spectrum |
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