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 15:16:51 UTC |
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Update Date | 2022-03-07 02:51:56 UTC |
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HMDB ID | HMDB0015325 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Brinzolamide |
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Description | Brinzolamide, also known as azopt, belongs to the class of organic compounds known as thienothiazines. These are heterocyclic compounds containing a thiophene ring fused to a thiazine. Thiophene is 5-membered ring consisting of four carbon atoms and one sulfur atom. Thiazine is a 6-membered ring consisting of four carbon, one nitrogen and one sulfur atoms. Brinzolamide is a drug which is used for the treatment of elevated intraocular pressure in patients with ocular hypertension or open-angle glaucoma. Brinzolamide is a very strong basic compound (based on its pKa). Due to the abundance of readily-bound erythrocytes and minimal known metabolism, Brinzolamide's whole blood half-life is very long (111 days). Following ocular instillation, the suspension is systemically absorbed to some degree; however the plasma concentrations are low and generally below the limits of detection (less than 10 ng/mL) due to extensive binding by tissues and erythrocytes. Inhibition of carbonic anhydrase in the ciliary processes of the eye decreases aqueous humor secretion and thus lowers the intraocular pressure in the anterior chamber, presumably by reducing the rate of formation of bicarbonate ions with subsequent reduction in sodium and fluid transport; this may alleviate the effects of open-angle glaucoma.The recommended frequency for topical application is two times per day. Brinzolamide is a carbonic anhydrase inhibitor (specifically, carbonic anhydrase II). This combination may be more effective than either medication alone. Use for the treatment of open-angle glaucoma and raised intraocular pressure due to either excess aqueous humor production or inadequate drainage of the humor via the trabecular meshwork. While definitive sites of metabolism have not been firmly established, there are several metabolites worthy of note. Brinzolamide is excreted primarily unchanged (60%) in the urine, although the renal clearance rate has not been definitively determined. N-Desethylbrinzolamide is also found in the urine along with lower concentrations of the inactive metabolites, N-Desmethoxypropylbrinzolamide and O-Desmethylbrinzolamide; exact levels have not been definitively determined. Oral administration is less-favored due to variable absorption from the stomach mucosa and an increased side-effect profile versus ophthalmic administration. N-Desethylbrinzolamide is an active metabolite of the parent compound, and thus exhibits carbonic anhydrase inhibitory activity (largely carbonic anhydrase-I, when in the presence of Brinzolamide) and also accumulates in the erythrocytes. Brinzolamide (trade names Azopt, Alcon Laboratories, Befardin, Fardi Medicals, ) is a carbonic anhydrase inhibitor used to lower intraocular pressure in patients with open-angle glaucoma or ocular hypertension. |
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Structure | CCN[C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S2)S(N)(=O)=O InChI=1S/C12H21N3O5S3/c1-3-14-10-8-15(5-4-6-20-2)23(18,19)12-9(10)7-11(21-12)22(13,16)17/h7,10,14H,3-6,8H2,1-2H3,(H2,13,16,17)/t10-/m0/s1 |
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Synonyms | Value | Source |
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Azopt | ChEBI | Alcon brand OF brinzolamide | HMDB | Allphar brand OF brinzolamide | HMDB | (R)-4-(Ethylamino)-3,4-dihydro-2-(3-methoxypropyl)-2H-thieno(3,2-e)-1,2-thiazine-6-sulfonamide 1,1-dioxide | HMDB |
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Chemical Formula | C12H21N3O5S3 |
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Average Molecular Weight | 383.507 |
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Monoisotopic Molecular Weight | 383.064332867 |
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IUPAC Name | (4R)-4-(ethylamino)-2-(3-methoxypropyl)-1,1-dioxo-2H,3H,4H-1λ⁶-thieno[3,2-e][1,2]thiazine-6-sulfonamide |
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Traditional Name | brinzolamide |
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CAS Registry Number | 138890-62-7 |
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SMILES | CCN[C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S2)S(N)(=O)=O |
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InChI Identifier | InChI=1S/C12H21N3O5S3/c1-3-14-10-8-15(5-4-6-20-2)23(18,19)12-9(10)7-11(21-12)22(13,16)17/h7,10,14H,3-6,8H2,1-2H3,(H2,13,16,17)/t10-/m0/s1 |
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InChI Key | HCRKCZRJWPKOAR-JTQLQIEISA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as thienothiazines. These are heterocyclic compounds containing a thiophene ring fused to a thiazine. Thiophene is 5-membered ring consisting of four carbon atoms and one sulfur atom. Thiazine is a 6-membered ring consisting of four carbon, one nitrogen and one sulfur atoms. |
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Kingdom | Organic compounds |
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Super Class | Organoheterocyclic compounds |
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Class | Thienothiazines |
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Sub Class | Not Available |
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Direct Parent | Thienothiazines |
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Alternative Parents | |
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Substituents | - Thienothiazine
- 2,3,5-trisubstituted thiophene
- Aralkylamine
- Ortho-thiazine
- Organosulfonic acid amide
- Organic sulfonic acid or derivatives
- Organosulfonic acid or derivatives
- Sulfonyl
- Heteroaromatic compound
- Aminosulfonyl compound
- Thiophene
- Dialkyl ether
- Secondary aliphatic amine
- Ether
- Secondary amine
- Azacycle
- Organic nitrogen compound
- Organosulfur compound
- Organooxygen compound
- Organonitrogen compound
- Organic oxygen compound
- Organopnictogen compound
- Organic oxide
- Hydrocarbon derivative
- 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 | 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 | 131 °C | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | 0.71 g/L | Not Available | LogP | -1.8 | 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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Brinzolamide,1TMS,isomer #1 | CCN[C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N[Si](C)(C)C)S2 | 3144.8 | Semi standard non polar | 33892256 | Brinzolamide,1TMS,isomer #1 | CCN[C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N[Si](C)(C)C)S2 | 3109.4 | Standard non polar | 33892256 | Brinzolamide,1TMS,isomer #1 | CCN[C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N[Si](C)(C)C)S2 | 4625.0 | Standard polar | 33892256 | Brinzolamide,1TMS,isomer #2 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(N)(=O)=O)S2)[Si](C)(C)C | 3055.4 | Semi standard non polar | 33892256 | Brinzolamide,1TMS,isomer #2 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(N)(=O)=O)S2)[Si](C)(C)C | 3201.6 | Standard non polar | 33892256 | Brinzolamide,1TMS,isomer #2 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(N)(=O)=O)S2)[Si](C)(C)C | 5402.1 | Standard polar | 33892256 | Brinzolamide,2TMS,isomer #1 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N[Si](C)(C)C)S2)[Si](C)(C)C | 3095.4 | Semi standard non polar | 33892256 | Brinzolamide,2TMS,isomer #1 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N[Si](C)(C)C)S2)[Si](C)(C)C | 3349.8 | Standard non polar | 33892256 | Brinzolamide,2TMS,isomer #1 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N[Si](C)(C)C)S2)[Si](C)(C)C | 4330.9 | Standard polar | 33892256 | Brinzolamide,2TMS,isomer #2 | CCN[C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N([Si](C)(C)C)[Si](C)(C)C)S2 | 3082.3 | Semi standard non polar | 33892256 | Brinzolamide,2TMS,isomer #2 | CCN[C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N([Si](C)(C)C)[Si](C)(C)C)S2 | 3296.2 | Standard non polar | 33892256 | Brinzolamide,2TMS,isomer #2 | CCN[C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N([Si](C)(C)C)[Si](C)(C)C)S2 | 4428.2 | Standard polar | 33892256 | Brinzolamide,3TMS,isomer #1 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N([Si](C)(C)C)[Si](C)(C)C)S2)[Si](C)(C)C | 3134.4 | Semi standard non polar | 33892256 | Brinzolamide,3TMS,isomer #1 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N([Si](C)(C)C)[Si](C)(C)C)S2)[Si](C)(C)C | 3547.2 | Standard non polar | 33892256 | Brinzolamide,3TMS,isomer #1 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N([Si](C)(C)C)[Si](C)(C)C)S2)[Si](C)(C)C | 4160.3 | Standard polar | 33892256 | Brinzolamide,1TBDMS,isomer #1 | CCN[C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N[Si](C)(C)C(C)(C)C)S2 | 3361.8 | Semi standard non polar | 33892256 | Brinzolamide,1TBDMS,isomer #1 | CCN[C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N[Si](C)(C)C(C)(C)C)S2 | 3378.0 | Standard non polar | 33892256 | Brinzolamide,1TBDMS,isomer #1 | CCN[C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N[Si](C)(C)C(C)(C)C)S2 | 4622.3 | Standard polar | 33892256 | Brinzolamide,1TBDMS,isomer #2 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(N)(=O)=O)S2)[Si](C)(C)C(C)(C)C | 3282.7 | Semi standard non polar | 33892256 | Brinzolamide,1TBDMS,isomer #2 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(N)(=O)=O)S2)[Si](C)(C)C(C)(C)C | 3432.5 | Standard non polar | 33892256 | Brinzolamide,1TBDMS,isomer #2 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(N)(=O)=O)S2)[Si](C)(C)C(C)(C)C | 5398.1 | Standard polar | 33892256 | Brinzolamide,2TBDMS,isomer #1 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N[Si](C)(C)C(C)(C)C)S2)[Si](C)(C)C(C)(C)C | 3518.9 | Semi standard non polar | 33892256 | Brinzolamide,2TBDMS,isomer #1 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N[Si](C)(C)C(C)(C)C)S2)[Si](C)(C)C(C)(C)C | 3859.0 | Standard non polar | 33892256 | Brinzolamide,2TBDMS,isomer #1 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N[Si](C)(C)C(C)(C)C)S2)[Si](C)(C)C(C)(C)C | 4329.9 | Standard polar | 33892256 | Brinzolamide,2TBDMS,isomer #2 | CCN[C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)S2 | 3575.5 | Semi standard non polar | 33892256 | Brinzolamide,2TBDMS,isomer #2 | CCN[C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)S2 | 3795.1 | Standard non polar | 33892256 | Brinzolamide,2TBDMS,isomer #2 | CCN[C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)S2 | 4408.5 | Standard polar | 33892256 | Brinzolamide,3TBDMS,isomer #1 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)S2)[Si](C)(C)C(C)(C)C | 3794.5 | Semi standard non polar | 33892256 | Brinzolamide,3TBDMS,isomer #1 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)S2)[Si](C)(C)C(C)(C)C | 4287.5 | Standard non polar | 33892256 | Brinzolamide,3TBDMS,isomer #1 | CCN([C@H]1CN(CCCOC)S(=O)(=O)C2=C1C=C(S(=O)(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)S2)[Si](C)(C)C(C)(C)C | 4200.3 | 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 - Brinzolamide GC-MS (Non-derivatized) - 70eV, Positive | splash10-0aor-9363000000-c2ce0727d8312538cab4 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Brinzolamide GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Experimental LC-MS/MS | LC-MS/MS Spectrum - Brinzolamide LC-ESI-qTof , Positive-QTOF | splash10-000i-3940000000-29878662225bb11586ed | 2017-09-14 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Brinzolamide , positive-QTOF | splash10-000i-3940000000-29878662225bb11586ed | 2017-09-14 | HMDB team, MONA | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Brinzolamide 10V, Positive-QTOF | splash10-00sr-2019000000-988ac9cefa8fb23facba | 2016-06-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Brinzolamide 20V, Positive-QTOF | splash10-0fk9-3690000000-c40760f0b6f44cc24c8e | 2016-06-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Brinzolamide 40V, Positive-QTOF | splash10-00dl-9100000000-f485ec4bc8d717b8b51b | 2016-06-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Brinzolamide 10V, Negative-QTOF | splash10-017i-6893000000-c3e14fd7fd97db235170 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Brinzolamide 20V, Negative-QTOF | splash10-0fb9-7189000000-719789413373ebe82904 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Brinzolamide 40V, Negative-QTOF | splash10-004i-9010000000-929e6fe33dd2964ee558 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Brinzolamide 10V, Positive-QTOF | splash10-001i-0009000000-3c94e44f36675ba706e3 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Brinzolamide 20V, Positive-QTOF | splash10-001i-0009000000-986efaaf32a24d0fac0f | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Brinzolamide 40V, Positive-QTOF | splash10-00lr-0091000000-e7907c2f053f25cc9921 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Brinzolamide 10V, Negative-QTOF | splash10-001i-0009000000-de46e421dd0efb4be9dd | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Brinzolamide 20V, Negative-QTOF | splash10-003r-3119000000-aafd05e736363b690ad1 | 2021-10-11 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Brinzolamide 40V, Negative-QTOF | splash10-06vi-9378000000-faad917334f371082bf7 | 2021-10-11 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum |
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