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| Product | Description | |
|---|---|---|
| Montelukast sodium | Montelukast sodium (MK0476) is a potent, selective and orally active antagonist of cysteinyl leukotriene receptor 1 (CysLT 1 ). Montelukast sodium can be used for the reseach of asthma and liver injury. Montelukast sodium also has an antioxidant effect in intestinal ischemia-reperfusion injury, and could reduce cardiac damage. Montelukast sodium decreases eosinophil infiltration into the asthmatic airways. Montelukast sodium can also be used for COVID-19 research [1] [2] [3] [4]. Uses: Scientific research. Group: Signaling pathways. Alternative Names: MK0476. CAS No. 151767-02-1. Pack Sizes: 10 mM * 1 mL; 50 mg; 100 mg; 500 mg. Product ID: HY-13315. |  |
| Montelukast sodium | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standardsapi standardseuropean pharmacopoeia (ph. eur.)pharmaceutical toxicologypharmacopoeial standards. Alternative Names: MK 476, 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]-cyclopropaneacetic acid monosodium salt, Singulair, Montelukast monosodium salt, Sodium montelukast, [R-(E)]-1-[[[1-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]-cyclopropaneacetic acid monosodium salt,Montelukast Sodium. |  |
| Montelukast sodium hydrate | ?98% (HPLC). Group: Fluorescence/luminescence spectroscopy. | |
| Montelukast sodium salt | Montelukast sodium salt. Group: Biochemicals. Alternative Names: 1- [1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetic; MK-476, singulair. Grades: Highly Purified. CAS No. 151767-02-1. Pack Sizes: 100mg, 250mg, 500mg, 1g, 2g. Molecular Formula: C35H35ClNNaO3S. US Biological Life Sciences. |  Worldwide |
| 2'-Des(1-hydroxy-1-methylethyl)-2'-carboxy Montelukast Bissodium Salt | An impurity of Montelukast Sodium, which is a leukotriene receptor antagonist (LTRA) used for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies. Synonyms: Sodium (R,E)-2-(3-(((1-(Carboxylatomethyl)cyclopropyl)methyl)thio)-3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl)benzoate; Montelukast Impurity 7; 2-((E)-3-((R,E)-1-(((1-(carboxymethyl)cyclopropyl)methyl)sulfonyl)-3-(2-carboxyphenyl)allyl)styryl)-7-chloroquinoline 1-oxide Sodium. Grade: > 95%. Molecular formula: C33H28ClNNa2O4S. Mole weight: 616.08. |  |
| 2-Des(1-hydroxy-1-methylethyl)-2-carboxy Montelukast Bissodium Salt | 2-Des(1-hydroxy-1-methylethyl)-2-carboxy Montelukast Bissodium Salt is an impurity of Montelukast Sodium Salt (M568000), a selective leukotriene D4-receptor antagonist. Used as an antiasthmatic. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 50mg, 500mg. Molecular Formula: C33H28ClNNa2O4S, Molecular Weight: 616.08. US Biological Life Sciences. | Worldwide |
| Dihydro Montelukast Sodium Salt | A Montelukast impurity. A saturated hydroxyalkylquinoline acid as leukotriene antagonist and biosynthesis inhibitor. Group: Biochemicals. Alternative Names: (R) -1- [ [ [1- [3- [2- (7-Chloro-2-quinolinyl) ethyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetic Acid Monosodium Salt. Grades: Highly Purified. CAS No. 142147-98-6. Pack Sizes: 1mg, 2mg, 5mg. US Biological Life Sciences. | Worldwide |
| ent-Montelukast Sodium Salt | The S-enantiomer of Montelukast. Results indicate that there is no apparent bioinversion of Montelukast to its S-enantiomer in humans. Group: Biochemicals. Alternative Names: 1- [ [ [ (1S) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetic Acid Sodium Salt; L 768232. Grades: Highly Purified. CAS No. 190078-45-6. Pack Sizes: 10mg. US Biological Life Sciences. | Worldwide |
| Montelukast-d6, Sodium Salt (1- [1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl-d6) phenyl] propyl] thio] methyl] cyclopropaneacetic Acid Sodium Salt, MK-476-d6, Singulair) | A selective leukotriene D4-receptor antagonist. Used as an antiasthmatic. Group: Biochemicals. Alternative Names: 1- [1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl-d6) phenyl] propyl] thio] methyl] cyclopropaneacetic Acid Sodium Salt; MK-476-d6, Singulair. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| 1- (Mercapto methyl ) cyclopropane acetonitrile | 1- (Mercapto methyl ) cyclopropane acetonitrile is used as a reagent in the synthesis of Montelukast Sodium Salt (M568000); a selective leukotriene D4-receptor antagonist. Also used as an antiasthmatic. Group: Biochemicals. Grades: Highly Purified. CAS No. 866923-64-0. Pack Sizes: 100mg, 1g. Molecular Formula: C6H9NS, Molecular Weight: 127.21. US Biological Life Sciences. | Worldwide |
| Alpha-Hydroxy Montelukast | Alpha-Hydroxy Montelukast. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Montelukast Sodium Imp. I (EP), Cyclopropaneacetic acid, 1-[[[(1R)-1-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]-?-hydroxy-. CAS No. 2045402-27-3. IUPAC Name: 2-[1-[[(1R)-1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfanylmethyl]cyclopropyl]-2-hydroxyacetic acid. Molecular formula: C35H36ClNO4S. Mole weight: 602.18. Catalog: APS2045402273. SMILES: CC(C)(O)c1ccccc1CC[C@@H](SCC2(CC2)C(O)C(=O)O)c3cccc(\C=C\c4ccc5ccc(Cl)cc5n4)c3. Format: Neat. | |
| Dihydro montelukast | Dihydro montelukast is a potential impurity found in commercial montelukast preparations. Montelukast sodium salt is a potent and selective cysteinyl leukotriene 1 (CysLT1) receptor antagonist. Synonyms: ZINC58649359; 1-[[[(1R)-1-[3-[2-(7-chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]-cyclopropaneacetic acid. Grade: ≥98%. CAS No. 142147-67-9. Molecular formula: C35H38ClNO3S. Mole weight: 588.2. | |
| Montelukast Bis-sulfide (mixture of diastereomers) | Montelukast Bis-sulfide (mixture of diastereomers). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-[[[(1R)-1-[3-[(1RS)-1-[[[1-(Carboxymethyl)cyclopropyl]methyl]sulfanyl]-2-(7-chloroquinolin-2-yl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfanyl]methyl]cyclopropyl]acetic Acid, Montekulast Sodium Imp. D+E (Mixture of Stereoisomers) (EP), 1-[[[(1R)-1-[3-[1-[[[1-(Carboxymethyl)cyclopropyl]methyl]thio]-2-(7-chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid. CAS No. 1242260-05-4. Pack Sizes: 10MG. IUPAC Name: 2-[1-[[(1R)-1-[3-[1-[[1-(carboxymethyl)cyclopropyl]methylsulfanyl]-2-(7-chloroquinolin-2-yl)ethyl]phenyl]-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfanylmethyl]cyclopropyl]acetic acid. Molecular formula: C41H46ClNO5S2. Mole weight: 732.39. Catalog: APS1242260054. SMILES: CC(C)(O)c1ccccc1CC[C@@H](SCC2(CC(=O)O)CC2)c3cccc(c3)C(Cc4ccc5ccc(Cl)cc5n4)SCC6(CC(=O)O)CC6. Format: Neat. Shipping: Room Temperature. | |
| Montelukast Methyl Ketone | Montelukast Methyl Ketone. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Montekulast Sodium Imp. F (EP), Mok-3 Keto,1-[[[(1R)-3-(2-Acetylphenyl)-1-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]propyl]thio]methyl]-cyclopropaneacetic Acid, Montelukast Methyl Ketone. CAS No. 937275-23-5. Pack Sizes: 10MG. IUPAC Name: 2-[1-[[(1R)-3-(2-acetylphenyl)-1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]propyl]sulfanylmethyl]cyclopropyl]acetic acid. Molecular formula: C34H32ClNO3S. Mole weight: 570.14. Catalog: APS937275235. SMILES: CC(=O)c1ccccc1CC[C@@H](SCC2(CC(=O)O)CC2)c3cccc(\C=C\c4ccc5ccc(Cl)cc5n4)c3. Format: Neat. Shipping: Room Temperature. | |
| Montelukast Styrene | Montelukast Styrene. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Montekulast Sodium Imp. B (EP), 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-methylethenyl)phenyl]propyl]thio]methyl]-cyclopropaneacetic Acid,Montelukast Sodium Imp. B (EP), Montelukast Imp. B (EP), Montelukast Styrene. CAS No. 918972-54-0. IUPAC Name: 2-[1-[[(1R)-1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-(2-prop-1-en-2-ylphenyl)propyl]sulfanylmethyl]cyclopropyl]acetic acid. Molecular formula: C35H34ClNO2S. Mole weight: 568.17. Catalog: APS918972540. SMILES: CC(=C)c1ccccc1CC[C@@H](SCC2(CC(=O)O)CC2)c3cccc(\C=C\c4ccc5ccc(Cl)cc5n4)c3. Format: Neat. | |
| (R)-1-[[[1-[3-[2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid sodium salt | (R)-1-[[[1-[3-[2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid sodium salt is an isomer of Montelukast, which is a leukotriene receptor antagonist indicated for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies. Synonyms: Cyclopropaneacetic acid, 1-[[[1-[3-[2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]-, monosodium salt, (R)-; sodium (R,E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetate. Grade: 95%. CAS No. 142522-81-4. Molecular formula: C35H35ClNNaO3S. Mole weight: 609.18. | |
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