| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2021-08-27 04:23:36 UTC |
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| Update Date | 2022-09-22 18:35:13 UTC |
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| HMDB ID | HMDB0242140 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | Acetaminophen mercapturate |
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| Description | Acetaminophen mercapturate belongs to the class of organic compounds known as n-acyl-l-alpha-amino acids. These are n-acylated alpha amino acids which have the L-configuration of the alpha-carbon atom. Acetaminophen mercapturate is a secondary metabolite. Secondary metabolites are metabolically or physiologically non-essential metabolites that may serve a role as defense or signalling molecules. In some cases they are simply molecules that arise from the incomplete metabolism of other secondary metabolites. Based on a literature review a significant number of articles have been published on Acetaminophen mercapturate. |
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| Structure | [H][C@@](CSC1=C(O)C=CC(=C1)N=C(C)O)(N=C(C)O)C(O)=O InChI=1S/C13H16N2O5S/c1-7(16)14-9-3-4-11(18)12(5-9)21-6-10(13(19)20)15-8(2)17/h3-5,10,18H,6H2,1-2H3,(H,14,16)(H,15,17)(H,19,20)/t10-/m0/s1 |
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| Synonyms | | Value | Source |
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| 3-(N-Acetyl-L-cystein-S-yl)acetaminophen | ChEBI | | Acetaminophen mercapturic acid | ChEBI | | Acetaminophen N-acetyl-L-cysteine conjugate | ChEBI | | N-Acetyl-L-cysteine S-acetaminophen conjugate | ChEBI | | N-Acetyl-L-cysteine S-paracetamol conjugate | ChEBI | | N-Acetyl-S-(5-(acetylamino)-2-hydroxyphenyl)-L-cysteine | ChEBI | | Paracetamol N-acetyl-L-cysteine conjugate | ChEBI | | Acetaminophen mercaptate | Generator | | Acetaminophen mercaptic acid | Generator | | Acetaminophen N-acetyl-L-cysteine conjugic acid | Generator | | N-Acetyl-L-cysteine S-acetaminophen conjugic acid | Generator | | N-Acetyl-L-cysteine S-paracetamol conjugic acid | Generator | | Paracetamol N-acetyl-L-cysteine conjugic acid | Generator | | Acetaminophen mercapturate monopotassium salt | HMDB | | Paracetamol mercapturate | HMDB |
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| Chemical Formula | C13H16N2O5S |
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| Average Molecular Weight | 312.34 |
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| Monoisotopic Molecular Weight | 312.077992797 |
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| IUPAC Name | (2R)-3-({2-hydroxy-5-[(1-hydroxyethylidene)amino]phenyl}sulfanyl)-2-[(1-hydroxyethylidene)amino]propanoic acid |
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| Traditional Name | (2R)-3-({2-hydroxy-5-[(1-hydroxyethylidene)amino]phenyl}sulfanyl)-2-[(1-hydroxyethylidene)amino]propanoic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@@](CSC1=C(O)C=CC(=C1)N=C(C)O)(N=C(C)O)C(O)=O |
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| InChI Identifier | InChI=1S/C13H16N2O5S/c1-7(16)14-9-3-4-11(18)12(5-9)21-6-10(13(19)20)15-8(2)17/h3-5,10,18H,6H2,1-2H3,(H,14,16)(H,15,17)(H,19,20)/t10-/m0/s1 |
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| InChI Key | DVPRQNKJGQEICH-JTQLQIEISA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as n-acyl-l-alpha-amino acids. These are n-acylated alpha amino acids which have the L-configuration of the alpha-carbon atom. |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Carboxylic acids and derivatives |
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| Sub Class | Amino acids, peptides, and analogues |
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| Direct Parent | N-acyl-L-alpha-amino acids |
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| Alternative Parents | |
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| Substituents | - N-acyl-l-alpha-amino acid
- Cysteine or derivatives
- Acetanilide
- Anilide
- N-acetylarylamine
- Thiophenol ether
- N-arylamide
- Aryl thioether
- Phenol
- 1-hydroxy-2-unsubstituted benzenoid
- Alkylarylthioether
- Monocyclic benzene moiety
- Benzenoid
- Acetamide
- Carboxamide group
- Secondary carboxylic acid amide
- Thioether
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Sulfenyl compound
- Organic nitrogen compound
- Organic oxide
- Hydrocarbon derivative
- Organosulfur compound
- Organooxygen compound
- Organonitrogen compound
- Organopnictogen compound
- Carbonyl group
- Organic oxygen compound
- Aromatic homomonocyclic compound
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| Molecular Framework | Aromatic homomonocyclic compounds |
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| External Descriptors | Not Available |
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| Ontology |
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| Not Available | 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 Sections| Predictor | Adduct Type | CCS Value (Å2) | Reference |
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| DeepCCS | [M+H]+ | 169.999 | 30932474 | | DeepCCS | [M-H]- | 167.641 | 30932474 | | DeepCCS | [M-2H]- | 201.219 | 30932474 | | DeepCCS | [M+Na]+ | 176.446 | 30932474 |
Predicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Predicted by Siyang on May 30, 2022 | 9.8401 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 4.93 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1068.4 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 211.6 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 84.6 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 159.5 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 59.6 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 272.9 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 | 310.6 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 231.5 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 610.2 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 242.4 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 | 849.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 187.8 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 211.5 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 380.5 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 231.1 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 | 205.4 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - Acetaminophen mercapturate GC-MS (Non-derivatized) - 70eV, Positive | splash10-00kf-6390000000-e2014eb87e56bdbd4f34 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Acetaminophen mercapturate GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetaminophen mercapturate 10V, Positive-QTOF | splash10-03di-0597000000-0fc8c89e9f5983f9396e | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetaminophen mercapturate 20V, Positive-QTOF | splash10-0kal-1920000000-cc5f6b1e811c542f45a7 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetaminophen mercapturate 40V, Positive-QTOF | splash10-0a5c-5900000000-744968e2a59bf8442a41 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetaminophen mercapturate 10V, Negative-QTOF | splash10-0019-0911000000-f0a439c284767d6c9c8c | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetaminophen mercapturate 20V, Negative-QTOF | splash10-03dr-0900000000-14abab8d0a6ab51b1927 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Acetaminophen mercapturate 40V, Negative-QTOF | splash10-000i-6900000000-169732855534bb55ed89 | 2021-10-12 | Wishart Lab | View Spectrum |
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