| 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 15:16:52 UTC |
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| Update Date | 2023-02-21 17:18:33 UTC |
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| HMDB ID | HMDB0015656 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Naphazoline |
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| Description | Naphazoline is only found in individuals that have used or taken this drug. It is a rapid acting sympathomimetic vasoconstrictor of occular artierioles. It acts to decrease congestion of the conjunctiva and is found in many over-the-counter eye drops.Naphazoline is a direct acting sympathomimetic drug, which acts on alpha-adrenergic receptors in the arterioles of the nasal mucosa. This activates the adrenal system to yield systemic vasoconstrction. In producing vasoconstriction, the result is a decrease in blood flow in the nasal passages and consequently decreased nasal congestion. The vasoconstriction means that there is less pressure in the capillaries and less water can filter out, thus less discharge is made. |
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| Structure | C(C1=NCCN1)C1=CC=CC2=CC=CC=C12 InChI=1S/C14H14N2/c1-2-7-13-11(4-1)5-3-6-12(13)10-14-15-8-9-16-14/h1-7H,8-10H2,(H,15,16) |
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| Synonyms | | Value | Source |
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| Nafazolin | Kegg | | AK CON | HMDB | | AK-CON | HMDB | | Akorn brand OF naphazoline hydrochloride | HMDB | | Alcon brand 1 OF naphazoline hydrochloride | HMDB | | Alcon brand 2 OF naphazoline hydrochloride | HMDB | | Alfa, colirio | HMDB | | Bausch and lomb brand 1 OF naphazoline hydrochloride | HMDB | | Ciba vision brand 1 OF naphazoline hydrochloride | HMDB | | Febena brand OF naphazoline hydrochloride | HMDB | | Hydrochloride, naphazoline | HMDB | | Idril | HMDB | | Iquinosa brand OF naphazoline hydrochloride | HMDB | | Naphazoline monohydrochloride | HMDB | | Novartis brand 1 OF naphazoline hydrochloride | HMDB | | Ross brand OF naphazoline hydrochloride | HMDB | | tele Stulln | HMDB | | TeleStulln | HMDB | | Vasocon regular | HMDB | | Abbot brand OF naphazoline hydrochloride | HMDB | | Ciba vision brand 2 OF naphazoline hydrochloride | HMDB | | Clear eyes | HMDB | | Grin brand OF naphazoline hydrochloride | HMDB | | Grin, afazol | HMDB | | Miraclar | HMDB | | Monohydrochloride, naphazoline | HMDB | | Naphazoline hydrochloride | HMDB | | Naphazoline nitrate | HMDB | | Novartis brand 2 OF naphazoline hydrochloride | HMDB | | Privine | HMDB | | Proculin | HMDB | | Warner lambert brand OF naphazoline nitrate | HMDB | | Warner-lambert brand OF naphazoline nitrate | HMDB | | Winzer brand OF naphazoline hydrochloride | HMDB | | Forte, naphcon | HMDB | | Afazol grin | HMDB | | Albalon | HMDB | | Bausch and lomb brand 2 OF naphazoline hydrochloride | HMDB | | Chauvin brand OF naphazoline hydrochloride | HMDB | | Eyes, clear | HMDB | | Nafazair | HMDB | | Nitrate, naphazoline | HMDB | | Optima brand OF naphazoline hydrochloride | HMDB | | Pensa, vasoconstrictor | HMDB | | Privin | HMDB | | Stulln brand OF naphazoline hydrochloride | HMDB | | tele-Stulln | HMDB | | VasoNit | HMDB | | Vasoclear | HMDB | | Vasocon | HMDB | | Vasoconstrictor pensa | HMDB | | AKCon | HMDB | | all Clear | HMDB | | Allergan brand OF naphazoline hydrochloride | HMDB | | Clear, all | HMDB | | Colirio alfa | HMDB | | Naphcon | HMDB | | Naphcon forte | HMDB | | Optazine | HMDB | | Regular, vasocon | HMDB | | Siozwo | HMDB | | Whitehall brand OF naphazoline hydrochloride | HMDB |
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| Chemical Formula | C14H14N2 |
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| Average Molecular Weight | 210.2744 |
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| Monoisotopic Molecular Weight | 210.115698458 |
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| IUPAC Name | 2-(naphthalen-1-ylmethyl)-4,5-dihydro-1H-imidazole |
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| Traditional Name | naphazoline |
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| CAS Registry Number | 835-31-4 |
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| SMILES | C(C1=NCCN1)C1=CC=CC2=CC=CC=C12 |
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| InChI Identifier | InChI=1S/C14H14N2/c1-2-7-13-11(4-1)5-3-6-12(13)10-14-15-8-9-16-14/h1-7H,8-10H2,(H,15,16) |
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| InChI Key | CNIIGCLFLJGOGP-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as naphthalenes. Naphthalenes are compounds containing a naphthalene moiety, which consists of two fused benzene rings. |
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| Kingdom | Organic compounds |
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| Super Class | Benzenoids |
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| Class | Naphthalenes |
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| Sub Class | Not Available |
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| Direct Parent | Naphthalenes |
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| Alternative Parents | |
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| Substituents | - Naphthalene
- Imidolactam
- 2-imidazoline
- Azacycle
- Organoheterocyclic compound
- Organic 1,3-dipolar compound
- Propargyl-type 1,3-dipolar organic compound
- Carboximidamide
- Carboxylic acid amidine
- Amidine
- Organic nitrogen compound
- Organopnictogen compound
- Hydrocarbon derivative
- Organonitrogen compound
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic compounds |
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| External Descriptors | Not Available |
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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 | 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 | 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. | 3.3 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.3547 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.9 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 44.1 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1320.5 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 322.2 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 151.6 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 186.4 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 89.3 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 433.2 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 | 356.2 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 188.7 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 736.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 438.7 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 | 1348.8 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 249.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 308.1 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 341.2 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 206.7 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 | 8.0 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Naphazoline,1TMS,isomer #1 | C[Si](C)(C)N1CCN=C1CC1=CC=CC2=CC=CC=C12 | 2268.6 | Semi standard non polar | 33892256 | | Naphazoline,1TMS,isomer #1 | C[Si](C)(C)N1CCN=C1CC1=CC=CC2=CC=CC=C12 | 2194.1 | Standard non polar | 33892256 | | Naphazoline,1TMS,isomer #1 | C[Si](C)(C)N1CCN=C1CC1=CC=CC2=CC=CC=C12 | 3162.5 | Standard polar | 33892256 | | Naphazoline,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N1CCN=C1CC1=CC=CC2=CC=CC=C12 | 2528.5 | Semi standard non polar | 33892256 | | Naphazoline,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N1CCN=C1CC1=CC=CC2=CC=CC=C12 | 2427.6 | Standard non polar | 33892256 | | Naphazoline,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N1CCN=C1CC1=CC=CC2=CC=CC=C12 | 3269.2 | Standard polar | 33892256 |
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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 - Naphazoline GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-2900000000-026b23156746d2a4a1de | 2017-08-28 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Naphazoline GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Naphazoline 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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| Experimental LC-MS/MS | LC-MS/MS Spectrum - Naphazoline , positive-QTOF | splash10-03di-0390000000-bf587920984867425a82 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Naphazoline 10V, Positive-QTOF | splash10-03di-0090000000-0076ea45eaeedc60e1fb | 2017-07-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Naphazoline 20V, Positive-QTOF | splash10-03di-1490000000-9be572c365d8869eec53 | 2017-07-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Naphazoline 40V, Positive-QTOF | splash10-0006-5900000000-b07ec5aa4378446ddd21 | 2017-07-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Naphazoline 10V, Negative-QTOF | splash10-0a4i-0090000000-af432db2e56a6f9aed8d | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Naphazoline 20V, Negative-QTOF | splash10-0a4i-1290000000-46d4b9b044e895d92e64 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Naphazoline 40V, Negative-QTOF | splash10-00ou-1900000000-8c83d33771f2cc032669 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Naphazoline 10V, Positive-QTOF | splash10-03di-0090000000-c9f6494c894621a7d1c0 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Naphazoline 20V, Positive-QTOF | splash10-03di-0290000000-2bb6cd3f38dcc7776ea4 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Naphazoline 40V, Positive-QTOF | splash10-002f-0900000000-445b3b85168db2851c1a | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Naphazoline 10V, Negative-QTOF | splash10-0a4i-0090000000-e8abc7c84fa2e857c6c9 | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Naphazoline 20V, Negative-QTOF | splash10-0a6r-0790000000-36be1e66b6c2ccbb24fc | 2021-10-11 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Naphazoline 40V, Negative-QTOF | splash10-0a6u-1960000000-257acbcbef4f826f56d9 | 2021-10-11 | Wishart Lab | View Spectrum |
IR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-03 | FELIX lab | View Spectrum |
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