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| Product | Description | |
|---|---|---|
| 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 |
| Montelukast Sodium Salt | Montelukast is a leukotriene receptor antagonist (LTRA) used for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies. Synonyms: MK-0476; MK 0476; MK0476. Grades: >98%. CAS No. 151767-02-1. Molecular formula: C35H36ClNO3S.Na. Mole weight: 608.17. |  |
| 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. Grades: > 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 |
| Montelukast S-Enantiomer Sodium 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: 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; Montelukast EP Impurity A. Grades: > 95%. CAS No. 190078-45-6. Molecular formula: C35H35ClNO3S.Na. Mole weight: 608.2. | |
| 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 |
| 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. Grades: ≥98%. CAS No. 142147-67-9. Molecular formula: C35H38ClNO3S. Mole weight: 588.2. | |
| Montelukast Dihydro Impurity | 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: (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: > 95%. CAS No. 142147-98-6. Molecular formula: C35H38ClNO3S. Mole weight: 588.22. | |
| 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 Sulfoxide Sodium | 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: Cyclopropaneacetic acid, 1-[[[1-[3-[2- (7-chloro-2-quinolinyl) ethenyl]phenyl]-3-[2- (1-hydroxy-1-methylethyl) phenyl]propyl]sulfinyl]methyl]-, sodium salt (1:1); Cyclopropaneacetic acid, 1-[[[1-[3-[2- (7-chloro-2-quinolinyl) ethenyl]phenyl]-3-[2- (1-hydroxy-1-methylethyl) phenyl]propyl]sulfinyl]methyl]-, monosodium salt. Grades: >95%. CAS No. 909796-71-0. Molecular formula: C35H35ClNNaO4S. Mole weight: 624.19. | |
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