| Record Information |
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| Version | 5.0 |
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| Status | Detected and Quantified |
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| Creation Date | 2005-11-16 15:48:42 UTC |
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| Update Date | 2023-02-21 17:15:29 UTC |
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| HMDB ID | HMDB0001169 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 4-Aminophenol |
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| Description | 4-Aminophenol, also known as 4-aminobenzenol or 4-hydroxyaniline, belongs to the class of organic compounds known as aniline and substituted anilines. These are organic compounds containing an aminobenzene moiety. 4-Aminophenol has been detected, but not quantified in, several different foods, such as anatidaes (Anatidae), chickens (Gallus gallus), domestic pigs (Sus scrofa domestica), and milk (cow). This could make 4-aminophenol a potential biomarker for the consumption of these foods. 4-Aminophenol 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-Aminophenol. |
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| Structure | InChI=1S/C6H7NO/c7-5-1-3-6(8)4-2-5/h1-4,8H,7H2 |
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| Synonyms | | Value | Source |
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| 4-Aminobenzenol | ChEBI | | 4-Hydroxyaniline | ChEBI | | p-Aminophenol | ChEBI | | p-Hydroxyaniline | ChEBI | | 4-Aminophenol conjugate monoacid | MeSH | | 4-Aminophenol hydrochloride | MeSH | | 4-Aminophenol monopotassium salt | MeSH | | 4-Aminophenol monosodium salt | MeSH | | 4-Aminophenol sulfate | MeSH | | 4-Aminophenol sulfate (2:1) | MeSH | | 4-Aminophenol, 18O-labeled | MeSH | | 4-Aminophenol, 3H-labeled | MeSH | | 4-Aminophenol, ion(1+) | MeSH | | p-Aminophenol phosphate | MeSH | | Para-aminophenol | MeSH | | 1-amino-4-Hydroxybenzene | HMDB | | 4-amino-1-Hydroxybenzene | HMDB | | Activol | HMDB | | Aminophenol | HMDB | | Energol | HMDB | | Fouramine P | HMDB | | P-Hydroxyphenylamine | HMDB | | Paramidophenol | HMDB | | Paranol | HMDB | | 4-Aminophenol | KEGG |
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| Chemical Formula | C6H7NO |
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| Average Molecular Weight | 109.1259 |
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| Monoisotopic Molecular Weight | 109.052763851 |
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| IUPAC Name | 4-aminophenol |
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| Traditional Name | aminophenol |
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| CAS Registry Number | 123-30-8 |
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| SMILES | NC1=CC=C(O)C=C1 |
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| InChI Identifier | InChI=1S/C6H7NO/c7-5-1-3-6(8)4-2-5/h1-4,8H,7H2 |
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| InChI Key | PLIKAWJENQZMHA-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as aniline and substituted anilines. These are organic compounds containing an aminobenzene moiety. |
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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 | Aniline and substituted anilines |
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| Direct Parent | Aniline and substituted anilines |
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| Alternative Parents | |
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| Substituents | - P-aminophenol
- Aniline or substituted anilines
- Aminophenol
- 1-hydroxy-2-unsubstituted benzenoid
- Phenol
- Organic nitrogen compound
- Organic oxygen compound
- Organopnictogen compound
- Hydrocarbon derivative
- Primary amine
- Organooxygen compound
- Organonitrogen compound
- Amine
- 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 | |
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| Disposition | |
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| Process | |
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| Role | |
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| Physical Properties |
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| State | Solid |
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| Experimental Molecular Properties | |
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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. | 1.58 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 9.276 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.38 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 800.2 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 329.5 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 81.1 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 203.6 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 68.6 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 259.9 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 | 253.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 118.1 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 679.6 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 61.4 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 | 691.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 210.4 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 246.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 530.1 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 443.0 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 | 136.1 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 4-Aminophenol,1TMS,isomer #1 | C[Si](C)(C)OC1=CC=C(N)C=C1 | 1354.4 | Semi standard non polar | 33892256 | | 4-Aminophenol,1TMS,isomer #2 | C[Si](C)(C)NC1=CC=C(O)C=C1 | 1535.1 | Semi standard non polar | 33892256 | | 4-Aminophenol,2TMS,isomer #1 | C[Si](C)(C)NC1=CC=C(O[Si](C)(C)C)C=C1 | 1536.0 | Semi standard non polar | 33892256 | | 4-Aminophenol,2TMS,isomer #1 | C[Si](C)(C)NC1=CC=C(O[Si](C)(C)C)C=C1 | 1512.7 | Standard non polar | 33892256 | | 4-Aminophenol,2TMS,isomer #1 | C[Si](C)(C)NC1=CC=C(O[Si](C)(C)C)C=C1 | 1567.2 | Standard polar | 33892256 | | 4-Aminophenol,2TMS,isomer #2 | C[Si](C)(C)N(C1=CC=C(O)C=C1)[Si](C)(C)C | 1616.4 | Semi standard non polar | 33892256 | | 4-Aminophenol,2TMS,isomer #2 | C[Si](C)(C)N(C1=CC=C(O)C=C1)[Si](C)(C)C | 1694.9 | Standard non polar | 33892256 | | 4-Aminophenol,2TMS,isomer #2 | C[Si](C)(C)N(C1=CC=C(O)C=C1)[Si](C)(C)C | 1691.0 | Standard polar | 33892256 | | 4-Aminophenol,3TMS,isomer #1 | C[Si](C)(C)OC1=CC=C(N([Si](C)(C)C)[Si](C)(C)C)C=C1 | 1583.1 | Semi standard non polar | 33892256 | | 4-Aminophenol,3TMS,isomer #1 | C[Si](C)(C)OC1=CC=C(N([Si](C)(C)C)[Si](C)(C)C)C=C1 | 1618.3 | Standard non polar | 33892256 | | 4-Aminophenol,3TMS,isomer #1 | C[Si](C)(C)OC1=CC=C(N([Si](C)(C)C)[Si](C)(C)C)C=C1 | 1522.5 | Standard polar | 33892256 | | 4-Aminophenol,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C(N)C=C1 | 1570.2 | Semi standard non polar | 33892256 | | 4-Aminophenol,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)NC1=CC=C(O)C=C1 | 1769.8 | Semi standard non polar | 33892256 | | 4-Aminophenol,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NC1=CC=C(O[Si](C)(C)C(C)(C)C)C=C1 | 2005.0 | Semi standard non polar | 33892256 | | 4-Aminophenol,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NC1=CC=C(O[Si](C)(C)C(C)(C)C)C=C1 | 1975.7 | Standard non polar | 33892256 | | 4-Aminophenol,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)NC1=CC=C(O[Si](C)(C)C(C)(C)C)C=C1 | 1856.5 | Standard polar | 33892256 | | 4-Aminophenol,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)N(C1=CC=C(O)C=C1)[Si](C)(C)C(C)(C)C | 2085.4 | Semi standard non polar | 33892256 | | 4-Aminophenol,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)N(C1=CC=C(O)C=C1)[Si](C)(C)C(C)(C)C | 2122.1 | Standard non polar | 33892256 | | 4-Aminophenol,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)N(C1=CC=C(O)C=C1)[Si](C)(C)C(C)(C)C | 1875.2 | Standard polar | 33892256 | | 4-Aminophenol,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C(N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C=C1 | 2298.6 | Semi standard non polar | 33892256 | | 4-Aminophenol,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C(N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C=C1 | 2252.6 | Standard non polar | 33892256 | | 4-Aminophenol,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C(N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)C=C1 | 1922.5 | Standard polar | 33892256 |
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| Synthesis Reference | Zhu, Jianliang; Yang, Ying; Xu, Jinlai; Gu, Zhiqiang; Zhang, Xiaowei; Zheng, Zhigang; Li, Jianlin; Hao, Xiangyang. Method for preparation of p-aminophenol. Faming Zhuanli Shenqing Gongkai Shuomingshu (2005), 6 pp. |
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| General References | - Lampinen M, Bondesson U, Fredriksson E, Hedeland M: Validation of a method for quantification of ketobemidone in human plasma with liquid chromatography-tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci. 2003 Jun 15;789(2):347-54. [PubMed:12742125 ]
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- Xu Y, Halsall B, Heineman WR: Heterogeneous enzyme immunoassay of alpha-fetoprotein in maternal serum by flow-injection amperometric detection of 4-aminophenol. Clin Chem. 1990 Nov;36(11):1941-4. [PubMed:1700742 ]
- Bomhard EM, Herbold BA: Genotoxic activities of aniline and its metabolites and their relationship to the carcinogenicity of aniline in the spleen of rats. Crit Rev Toxicol. 2005 Dec;35(10):783-835. [PubMed:16468500 ]
- Nohynek GJ, Duche D, Garrigues A, Meunier PA, Toutain H, Leclaire J: Under the skin: Biotransformation of para-aminophenol and para-phenylenediamine in reconstructed human epidermis and human hepatocytes. Toxicol Lett. 2005 Sep 15;158(3):196-212. [PubMed:15890478 ]
- Van Bocxlaer JF, Clauwaert KM, Lambert WE, De Leenheer AP: Quantitative colorimetric determination of urinary p-aminophenol with an automated analyzer. Clin Chem. 1997 Apr;43(4):627-34. [PubMed:9105264 ]
- Gil EP, Tang HT, Halsall HB, Heineman WR, Misiego AS: Competitive heterogeneous enzyme immunoassay for theophylline by flow-injection analysis with electrochemical detection of p-aminophenol. Clin Chem. 1990 Apr;36(4):662-5. [PubMed:2138937 ]
- Arndt CA, Colvin OM, Balis FM, Lester CM, Johnson G, Poplack DG: Intrathecal administration of 4-hydroperoxycyclophosphamide in rhesus monkeys. Cancer Res. 1987 Nov 15;47(22):5932-4. [PubMed:3664493 ]
- Hegedus ZL, Nayak U: Para-aminophenol and structurally related compounds as intermediates in lipofuscin formation and in renal and other tissue toxicities. Arch Int Physiol Biochim Biophys. 1991 Feb;99(1):99-105. [PubMed:1713494 ]
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