Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2013-05-17 01:25:13 UTC |
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Update Date | 2019-07-23 07:14:28 UTC |
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HMDB ID | HMDB0060499 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | NPC |
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Description | NPC is a metabolite of irinotecan. Irinotecan is a drug used for the treatment of cancer. Irinotecan prevents DNA from unwinding by inhibition of topoisomerase 1. In chemical terms, it is a semisynthetic analogue of the natural alkaloid camptothecin. Its main use is in colon cancer, in particular, in combination with other chemotherapy agents. This includes the regimen FOLFIRI, which consists of infusional 5-fluorouracil, leucovorin, and irinotecan. Irinotecan received accelerated approval by the U.S. (Wikipedia ) Irinotecan is subjected to be shunted between CYP3A4 mediated oxidative metabolism to form two inactive metabolites APC or NPC and tissue carboxylesterase mediated hydrolysis to form SN-38 which is eventually detoxified via glucuronidation by UGT1A1 to form SN-38G. (PMID: 12570720 ) The active metabolite of irinotecan (CPT-11), 7-ethyl-10-hydroxycamptothecin (SN-38), is either formed through enzymatic cleavage of CPT-11 by carboxyl esterases (CEs) or through cytochrome P-450 3A-mediated oxidation to 7-ethyl-10-[4-(1-piperidino)-1-amino] carbonyloxycamptothecin (NPC) and a subsequent conversion by CE. (PMID: 10999728 ) |
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Structure | CCC1=C2C=C(OC(=O)N3CCC(N)CC3)C=CC2=NC2=C1CN1C2=CC2=C(COC(=O)[C@]2(O)CC)C1=O InChI=1S/C28H30N4O6/c1-3-17-18-11-16(38-27(35)31-9-7-15(29)8-10-31)5-6-22(18)30-24-19(17)13-32-23(24)12-21-20(25(32)33)14-37-26(34)28(21,36)4-2/h5-6,11-12,15,36H,3-4,7-10,13-14,29H2,1-2H3/t28-/m0/s1 |
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Synonyms | Not Available |
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Chemical Formula | C28H30N4O6 |
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Average Molecular Weight | 518.561 |
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Monoisotopic Molecular Weight | 518.216534712 |
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IUPAC Name | (19S)-10,19-diethyl-19-hydroxy-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.0²,¹¹.0⁴,⁹.0¹⁵,²⁰]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaen-7-yl 4-aminopiperidine-1-carboxylate |
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Traditional Name | NPC |
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CAS Registry Number | Not Available |
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SMILES | CCC1=C2C=C(OC(=O)N3CCC(N)CC3)C=CC2=NC2=C1CN1C2=CC2=C(COC(=O)[C@]2(O)CC)C1=O |
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InChI Identifier | InChI=1S/C28H30N4O6/c1-3-17-18-11-16(38-27(35)31-9-7-15(29)8-10-31)5-6-22(18)30-24-19(17)13-32-23(24)12-21-20(25(32)33)14-37-26(34)28(21,36)4-2/h5-6,11-12,15,36H,3-4,7-10,13-14,29H2,1-2H3/t28-/m0/s1 |
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InChI Key | APWFTHDYKJHNEV-NDEPHWFRSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as camptothecins. These are heterocyclic compounds comprising a planar pentacyclic ring structure, that includes a pyrrolo[3,4-beta]-quinoline moiety (rings A, B and C), conjugated pyridone moiety (ring D) and one chiral center at position 20 within the alpha-hydroxy lactone ring with (S) configuration (the E-ring). |
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Kingdom | Organic compounds |
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Super Class | Alkaloids and derivatives |
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Class | Camptothecins |
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Sub Class | Not Available |
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Direct Parent | Camptothecins |
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Alternative Parents | |
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Substituents | - Camptothecin
- Pyranopyridine
- Quinoline
- Piperidinecarboxylic acid
- 4-aminopiperidine
- Pyridinone
- Piperidine
- Pyridine
- Benzenoid
- Carbamic acid ester
- Tertiary alcohol
- Heteroaromatic compound
- Amino acid or derivatives
- Carboxylic acid ester
- Lactam
- Lactone
- Carbonic acid derivative
- Oxacycle
- Azacycle
- Organoheterocyclic compound
- Carboxylic acid derivative
- Monocarboxylic acid or derivatives
- Hydrocarbon derivative
- Organonitrogen compound
- Primary aliphatic amine
- Organooxygen compound
- Organopnictogen compound
- Alcohol
- Primary amine
- Carbonyl group
- Organic oxygen compound
- Organic nitrogen compound
- Organic oxide
- Amine
- 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 | |
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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 Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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NPC,1TMS,isomer #1 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@@]4(CC)O[Si](C)(C)C)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N)CC3)C=C12 | 4523.3 | Semi standard non polar | 33892256 | NPC,1TMS,isomer #2 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@]4(O)CC)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N[Si](C)(C)C)CC3)C=C12 | 4626.0 | Semi standard non polar | 33892256 | NPC,2TMS,isomer #1 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@@]4(CC)O[Si](C)(C)C)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N[Si](C)(C)C)CC3)C=C12 | 4523.9 | Semi standard non polar | 33892256 | NPC,2TMS,isomer #1 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@@]4(CC)O[Si](C)(C)C)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N[Si](C)(C)C)CC3)C=C12 | 4454.0 | Standard non polar | 33892256 | NPC,2TMS,isomer #1 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@@]4(CC)O[Si](C)(C)C)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N[Si](C)(C)C)CC3)C=C12 | 5981.9 | Standard polar | 33892256 | NPC,2TMS,isomer #2 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@]4(O)CC)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N([Si](C)(C)C)[Si](C)(C)C)CC3)C=C12 | 4592.8 | Semi standard non polar | 33892256 | NPC,2TMS,isomer #2 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@]4(O)CC)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N([Si](C)(C)C)[Si](C)(C)C)CC3)C=C12 | 4496.6 | Standard non polar | 33892256 | NPC,2TMS,isomer #2 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@]4(O)CC)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N([Si](C)(C)C)[Si](C)(C)C)CC3)C=C12 | 6046.7 | Standard polar | 33892256 | NPC,3TMS,isomer #1 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@@]4(CC)O[Si](C)(C)C)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N([Si](C)(C)C)[Si](C)(C)C)CC3)C=C12 | 4521.8 | Semi standard non polar | 33892256 | NPC,3TMS,isomer #1 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@@]4(CC)O[Si](C)(C)C)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N([Si](C)(C)C)[Si](C)(C)C)CC3)C=C12 | 4520.7 | Standard non polar | 33892256 | NPC,3TMS,isomer #1 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@@]4(CC)O[Si](C)(C)C)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N([Si](C)(C)C)[Si](C)(C)C)CC3)C=C12 | 5753.4 | Standard polar | 33892256 | NPC,1TBDMS,isomer #1 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@@]4(CC)O[Si](C)(C)C(C)(C)C)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N)CC3)C=C12 | 4714.5 | Semi standard non polar | 33892256 | NPC,1TBDMS,isomer #2 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@]4(O)CC)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N[Si](C)(C)C(C)(C)C)CC3)C=C12 | 4838.2 | Semi standard non polar | 33892256 | NPC,2TBDMS,isomer #1 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@@]4(CC)O[Si](C)(C)C(C)(C)C)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N[Si](C)(C)C(C)(C)C)CC3)C=C12 | 4892.1 | Semi standard non polar | 33892256 | NPC,2TBDMS,isomer #1 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@@]4(CC)O[Si](C)(C)C(C)(C)C)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N[Si](C)(C)C(C)(C)C)CC3)C=C12 | 4796.8 | Standard non polar | 33892256 | NPC,2TBDMS,isomer #1 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@@]4(CC)O[Si](C)(C)C(C)(C)C)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N[Si](C)(C)C(C)(C)C)CC3)C=C12 | 5905.4 | Standard polar | 33892256 | NPC,2TBDMS,isomer #2 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@]4(O)CC)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)CC3)C=C12 | 4996.0 | Semi standard non polar | 33892256 | NPC,2TBDMS,isomer #2 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@]4(O)CC)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)CC3)C=C12 | 4844.3 | Standard non polar | 33892256 | NPC,2TBDMS,isomer #2 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@]4(O)CC)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)CC3)C=C12 | 5968.2 | Standard polar | 33892256 | NPC,3TBDMS,isomer #1 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@@]4(CC)O[Si](C)(C)C(C)(C)C)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)CC3)C=C12 | 5073.7 | Semi standard non polar | 33892256 | NPC,3TBDMS,isomer #1 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@@]4(CC)O[Si](C)(C)C(C)(C)C)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)CC3)C=C12 | 5005.0 | Standard non polar | 33892256 | NPC,3TBDMS,isomer #1 | CCC1=C2CN3C(=CC4=C(COC(=O)[C@@]4(CC)O[Si](C)(C)C(C)(C)C)C3=O)C2=NC2=CC=C(OC(=O)N3CCC(N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)CC3)C=C12 | 5662.4 | Standard polar | 33892256 |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - NPC GC-MS (Non-derivatized) - 70eV, Positive | splash10-0002-3001900000-8c258c33503227186d90 | 2017-09-20 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - NPC GC-MS (1 TMS) - 70eV, Positive | splash10-020s-7100190000-57a04835b3260d62318f | 2017-10-06 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - NPC 10V, Positive-QTOF | splash10-0uxr-1601190000-f7732258181788a4f6a6 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - NPC 20V, Positive-QTOF | splash10-0fc0-4914410000-8e809aa535ad79d20553 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - NPC 40V, Positive-QTOF | splash10-0zgi-9400000000-63746df667fed14115e3 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - NPC 10V, Negative-QTOF | splash10-014i-1401590000-893de4cd7001406d84a4 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - NPC 20V, Negative-QTOF | splash10-00vm-3906840000-17ebfe5e43ffd714d8c8 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - NPC 40V, Negative-QTOF | splash10-002e-9725100000-daa9ad1f7a2a7c152ce2 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - NPC 10V, Positive-QTOF | splash10-014i-0000090000-6ce434cb34e8cce184a4 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - NPC 20V, Positive-QTOF | splash10-014i-1300290000-533c82d8686595219616 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - NPC 40V, Positive-QTOF | splash10-056s-9501000000-72578630f3dd15152e0d | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - NPC 10V, Negative-QTOF | splash10-014i-0000090000-7f23ec7ad6a82a7cb93b | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - NPC 20V, Negative-QTOF | splash10-014r-1102940000-deb055976885caaff96c | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - NPC 40V, Negative-QTOF | splash10-02tc-5409450000-0701591b4f1df9c1f7f6 | 2021-10-12 | Wishart Lab | View Spectrum |
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