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| Product | Description | |
|---|---|---|
| 21(R)-Hydroxy montelukast | 21(R)-Hydroxy montelukast. Uses: Designed for use in research and industrial production. Additional or Alternative Names: [R-[R*,R*-(E)]]-1-[[[1-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-hydroxy-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]-cyclopropaneacetic Aci;21(R)-Hydroxy Montelukast;[R-[R*,R*-(E)]]-1-[[[1-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-. Product Category: Heterocyclic Organic Compound. Appearance: Yellow Solid. CAS No. 184763-26-6. Molecular formula: C35H36ClNO4S. Mole weight: 602.191. Product ID: ACM184763266. Alfa Chemistry ISO 9001:2015 Certified. |  |
| 21(R)-Hydroxy Montelukast | 21(R)-Hydroxy Montelukast is a metabolite of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Synonyms: [R-[R*, R*- (E) ]]-1-[[[1-[3-[2- (7-Chloro-2-quinolinyl) ethenyl]phenyl]-3-hydroxy-3-[2- (1-hydroxy-1-methylethyl) phenyl]propyl]thio]methyl]-cyclopropaneacetic Acid; Montelukast M5b; {1-[ ({ (1R, 3R) -1-{3-[ (E) -2- (7-Chloro-2-quinolinyl) vinyl]phenyl}-3-hydroxy-3-[2- (2-hydroxy-2-propanyl) phenyl]propyl}sulfanyl) methyl]cyclopropyl}acetic acid; Cyclopropaneacetic acid, 1-[[[ (1R, 3R) -1-[3-[ (E) -2- (7-chloro-2-quinolinyl) ethenyl]phenyl]-3-hydroxy-3-[2- (1-hydroxy-1-methylethyl) phenyl]propyl]thio]methyl]-. Grades: 95%. CAS No. 184763-26-6. Molecular formula: C35H36ClNO4S. Mole weight: 602.18. |  |
| 21(R)-Hydroxy Montelukast-d6 | A labeled metabolite of Montelukast. Group: Biochemicals. Alternative Names: [R- [R*, R*- (E) ] ] -1- [ [ [1- [3- [2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3-hydroxy-3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetic Acid-d6. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences. |  Worldwide |
| 21(S)-Hydroxy Montelukast | 21(S)-Hydroxy Montelukast is a metabolite of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Synonyms: [R-[R*, S*- (E) ]]-1-[[[1-[3-[2- (7-Chloro-2-quinolinyl) ethenyl]phenyl]-3-hydroxy-3-[2- (1-hydroxy-1-methylethyl) phenyl]propyl]thio]methyl]-cyclopropaneacetic Acid; Montelukast M5a; {1-[ ({ (1R, 3S) -1-{3-[ (E) -2- (7-Chloro-2-quinolinyl) vinyl]phenyl}-3-hydroxy-3-[2- (2-hydroxy-2-propanyl) phenyl]propyl}sulfanyl) methyl]cyclopropyl}acetic acid; Cyclopropaneacetic acid, 1-[[[ (1R, 3S) -1-[3-[ (E) -2- (7-chloro-2-quinolinyl) ethenyl]phenyl]-3-hydroxy-3-[2- (1-hydroxy-1-methylethyl) phenyl]propyl]thio]methyl]-. Grades: 95%. CAS No. 184763-29-9. Molecular formula: C35H36ClNO4S. Mole weight: 602.18. | |
| 21(S)-Hydroxy Montelukast-d6 | A labeled metabolite of Montelukast. Group: Biochemicals. Alternative Names: [R- [R*, S*- (E) ] ] -1- [ [ [1- [3- [2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3-hydroxy-3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetic Acid-d6. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| 25-Hydroxy Montelukast | 25-Hydroxy Montelukast is a metabolite of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Uses: A metabolite of montelukast. Synonyms: 1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [4-hydroxy-2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetic Acid; Montelukast M3; Cyclopropaneacetic acid, 1-[[[ (1R) -1-[3-[ (1E) -2- (7-chloro-2-quinolinyl) ethenyl]phenyl]-3-[4-hydroxy-2- (1-hydroxy-1-methylethyl) phenyl]propyl]thio]methyl]-; {1-[ ({ (1R) -1-{3-[ (E) -2- (7-Chloro-2-quinolinyl) vinyl]phenyl}-3-[4-hydroxy-2- (2-hydroxy-2-propanyl) phenyl]propyl}sulfanyl) methyl]cyclopropyl}acetic acid. Grades: ≥95%. CAS No. 200804-28-0. Molecular formula: C35H36ClNO4S. Mole weight: 602.18. | |
| 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 |
| 2'-Des(1-hydroxy-1-methylethyl)-2'-methycarboxy Montelukast Hydrochloride | 2'-Des(1-hydroxy-1-methylethyl)-2'-methycarboxy Montelukast Hydrochloride is an impurity of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Synonyms: 2- [1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- (2-methoxycarbonylphenyl) propyl] thio] methyl] cyclopropyl] acetic Acid Hydrochloride; 2-[ (3R) -3-[[[1- (Carboxymethyl) cyclopropyl]methyl]thio]-3-[3-[ (1E) -2- (7-chloro-2-quinolinyl) ethenyl]phenyl]propyl]benzoic Acid 1-Methyl Ester Hydrochloride. CAS No. 906107-37-7. Molecular formula: C34H33Cl2NO4S. Mole weight: 622.60. | |
| 2-Des(1-hydroxy-1-methylethyl)-2-methycarboxy Montelukast Hydrochloride | 2-Des(1-hydroxy-1-methylethyl)-2-methycarboxy Montelukast Hydrochloride is an impurity of Montelukast (M568000), a selective leukotriene D4-receptor antagonist. Group: Biochemicals. Grades: Highly Purified. CAS No. 906107-37-7. Pack Sizes: 25mg, 100mg. Molecular Formula: C34H33Cl2NO4S. US Biological Life Sciences. | Worldwide |
| α-Hydroxy Montelukast | Cas No. 2045402-27-3. | |
| 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]-α -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. |  |
| 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 Sulfoxide. (Mixture of diastereomers) (1- [ [ [1- [3- [2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] sulfinyl] methyl] -cyclopropaneacetic Acid) | A metabolite of Montelukast. Group: Biochemicals. Alternative Names: 1- [ [ [1- [3- [2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] sulfinyl] methyl] -cyclopropaneacetic Acid. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences. | Worldwide |
| 1- [ [ [ (1R) -1- [3- [ (2S, R) -2- [ [ (1-Carboxycyclopropyl ) methyl ] thio] -2- (7-chloro-2-quinolinyl) ethyl] phenyl] -3- [2- (1-hydroxy-1- methyl ethyl) phenyl] propyl ] thio] methyl cyclopropaneacetic Acid | 1- [ [ [ (1R) -1- [3- [ (2S, R) -2- [ [ (1-Carboxycyclopropyl ) methyl ] thio] -2- (7-chloro-2-quinolinyl) ethyl] phenyl] -3- [2- (1-hydroxy-1- methyl ethyl) phenyl] propyl ] thio] methyl cyclopropaneacetic Acid is derived from Montelukast Methyl Ester (M568080), which is an impurity of the antiasthmatic drug Montelukast (M568000), a selective leukotriene D4-receptor antagonist. Used as an anti-asthmatic. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 500ug, 1mg. Molecular Formula: C41H46ClNO5S2, Molecular Weight: 732.39. US Biological Life Sciences. | Worldwide |
| 1- [ [ [ (1R) -1- [3- [ (2S, R) -2- [ [ (1-Carboxycyclopropyl) methyl] thio] -2- (7-chloro-2-quinolinyl) ethyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methylcyclopropaneacetic Acid | 1- [ [ [ (1R) -1- [3- [ (2S, R) -2- [ [ (1-Carboxycyclopropyl) methyl] thio] -2- (7-chloro-2-quinolinyl) ethyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methylcyclopropaneacetic Acid is an impurity of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Molecular formula: C41H46ClNO5S2. Mole weight: 732.39. | |
| 2-[2-[ (3S)-3-[3-[ (E)-2- (7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[ (methanesulfonyl)oxy]propyl]phenyl]-2-propanol | 2-[2-[ (3S)-3-[3-[ (E)-2- (7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[ (methanesulfonyl)oxy]propyl]phenyl]-2-propanol is an intermediate of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Synonyms: (αS)-α-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-2-(1-hydroxy-1-methylethyl)benzenepropanol α-Methanesulfonate; Montelukast Impurity 35; Benzenepropanol, α-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-2-(1-hydroxy-1-methylethyl)-, α-methanesulfonate, (αS)-; 2-[2-[ (3S)-3-[3-[ (E)-2- (7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[ (methanesulfonyl)oxy]propyl]phenyl]-2-propanol. Grades: ≥95%. CAS No. 807638-71-7. Molecular formula: C30H30ClNO4S. Mole weight: 536.08. | |
| 2-[3- (R) -[3- (2- (7-Chloro-2-quinolinyl) ethenyl) phenyl]-3-hydroxypropyl]phenyl-2-propanol | Intermediate in the preparation of (S)-Montelukast. Group: Biochemicals. Alternative Names: (R) -α -[3-[2- (7-Chloro-2-quinolinyl) ethenyl]phenyl]-2- (1-hydroxy-1-methylethyl) benzenepropanol. Grades: Highly Purified. CAS No. 150026-75-8. Pack Sizes: 10mg. US Biological Life Sciences. | Worldwide |
| 2-[3-(R)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-propanol | 2-[3-(R)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-propanol is an intermediate in the synthesis of Montelukast, which is a leukotriene receptor antagonist indicated for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies. Synonyms: (R)-α-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-2-(1-hydroxy-1-methylethyl)benzenepropanol; (1R)-1-{3-[(E)-2-(7-Chloro-2-quinoleinyl)vinyl]phenyl}-3-[2-(2-hydroxy-2-propanyl)phenyl]-1-propanol; Benzenepropanol, α-[3-[(E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-2-(1-hydroxy-1-methylethyl)-, (αR)-; (R,E)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propan-1-ol. Grades: ≥95%. CAS No. 150026-75-8. Molecular formula: C29H28ClNO2. Mole weight: 457.99. | |
| 2-[3-(S)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-(1'-hydroxy-2'-methoxymethyl)propanol (Mixture of Diastereomers) | 2-[3-(S)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-(1'-hydroxy-2'-methoxymethyl)propanol (Mixture of Diastereomers) is an intermediate in the synthesis of Montelukast, which is a leukotriene receptor antagonist indicated for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies. Uses: Intermediate in the production of montelukast metabolites. Synonyms: (1S)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxy-1-(methoxymethoxy)propan-2-yl)phenyl)propan-1-ol; Benzenepropanol, α-[3-[(E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-2-[1-hydroxy-2-(methoxymethoxy)-1-methylethyl]-, (αS)-. CAS No. 184764-20-3. Molecular formula: C31H32ClNO4. Mole weight: 518.04. | |
| 2-[3- (S) -[3- (2- (7-Chloro-2-quinolinyl) ethenyl) phenyl]-3-hydroxypropyl]phenyl-2-propanol | A montelukast impurity. Group: Biochemicals. Alternative Names: (S) -α -[3-[2- (7-Chloro-2-quinolinyl) ethenyl]phenyl]-2- (1-hydroxy-1-methylethyl) benzenepropanol. Grades: Highly Purified. CAS No. 287930-77-2. Pack Sizes: 25mg. US Biological Life Sciences. | Worldwide |
| 2-[3-(S)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-propanol | 2-[3-(S)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-propanol is a montelukast impurity, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Uses: A montelukast impurity. Synonyms: (S)-α-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-2-(1-hydroxy-1-methylethyl)benzenepropanol. CAS No. 287930-77-2. Molecular formula: C29H28ClNO2. Mole weight: 457.99. | |
| 2-Hydroxy-2- (1- (hydroxymethyl) cyclopropyl) acetamide Benzyl Ester | 2-Hydroxy-2- (1- (hydroxymethyl) cyclopropyl) acetamide Benzyl Ester is an protected intermediate used in the synthesis of Montelukast (M568000), a selective leukotriene D4-receptor antagonist used as an antiasthmatic agent. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 50mg. US Biological Life Sciences. | Worldwide |
| 2-Hydroxy-2- (1- (hydroxymethyl) cyclopropyl) acetic Acid Benzyl Ester | 2-Hydroxy-2- (1- (hydroxymethyl) cyclopropyl) acetic Acid Benzyl Ester is an intermediate in the synthesis of Montelukast (M568000), a selective leukotriene D4-receptor antagonist used as an antiasthmatic agent. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 25mg. US Biological Life Sciences. | Worldwide |
| 2-Hydroxy-2- (1- (hydroxymethyl) cyclopropyl) acetonitrile Benzyl Ester | 2-Hydroxy-2- (1- (hydroxymethyl) cyclopropyl) acetonitrile Benzyl Ester is an protected intermediate used in the synthesis of Montelukast (M568000), a selective leukotriene D4-receptor antagonist used as an antiasthmatic agent. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 100mg. US Biological Life Sciences. | Worldwide |
| 2-Hydroxy-2- (1- (mercaptomethyl) cyclopropyl) acetic Acid | 2-Hydroxy-2- (1- (mercaptomethyl) cyclopropyl) acetic Acid is an substituent used in the synthesis of Montelukast (M568000), a selective leukotriene D4-receptor antagonist used as an antiasthmatic agent. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 500ug, 2.5mg. Molecular Formula: C6H10O3S. US Biological Life Sciences. | Worldwide |
| 2-Hydroxy-2-(1-(mercaptomethyl)cyclopropyl)acetic Acid | 2-Hydroxy-2-(1-(mercaptomethyl)cyclopropyl)acetic Acid is a substituent in the synthesis of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Grades: 98%. Molecular formula: C6H10O3S. Mole weight: 162.21. | |
| 2-Methoxymethyl Montelukast 1,2-Diol (Mixture of Diastereomers) | 2-Methoxymethyl Montelukast 1,2-Diol (Mixture of Diastereomers) is an intermediate in the production of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Uses: Intermediate in the production of montelukast metabolites. Synonyms: [1- ({ [ (1R) -1-{3- [ (E) -2- (7-Chloro-2-quinolinyl) vinyl] phenyl}-3-{2- [2-hydroxy-1- (methoxymethoxy) -2-propanyl] phenyl}propyl] sulfanyl}methyl) cyclopropyl] acetic acid; Cyclopropaneacetic acid, 1- [ [ [ (1R) -1- [3- [ (E) -2- (7-chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- [1-hydroxy-2- (methoxymethoxy) -1-methylethyl] phenyl] propyl] thio] methyl] -; 1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- [1-hydroxy-2- (methoxymethoxy) -1-methylethyl] phenyl] propyl] thio] methyl] cyclopropaneacetic Acid. Grades: ≥95%. CAS No. 184764-27-0. Molecular formula: C37H40ClNO5S. Mole weight: 646.24. | |
| 2-Methoxymethyl Montelukast 1,2-Diol (Mixture of Diastereomers) | Intermediate in the production of Montelukast metabolites. Group: Biochemicals. Alternative Names: 1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- [1-hydroxy-2- (methoxymethoxy) -1-methylethyl] phenyl] propyl] thio] methyl] cyclopropaneacetic Acid. Grades: Highly Purified. CAS No. 184764-27-0. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| cis-Montelukast | The cis geometric isomer of Montelukast. An impurity of Montelukast. Group: Biochemicals. Alternative Names: 1- [ [ [ (1R) -1- [3- [ (1Z) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetic Acid. Grades: Highly Purified. CAS No. 774538-96-4. Pack Sizes: 1mg. 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. | |
| 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 | Montelukast is a leukotriene receptor antagonist indicated for the maintenance treatment of asthma and to relieve symptoms of seasonal allergies. Uses: Anti-asthmatic agents; leukotriene antagonists. Synonyms: Singulair; sodium 1- ( ( (1- (3- (2- (7-chloro-2-quinolinyl) ethenyl) phenyl) -3- (2- (1-hydroxy-1-methylethyl) phenyl) propyl) thio) methyl) cyclopropylacetate. Grades: >98%. CAS No. 158966-92-8. Molecular formula: C35H36ClNO3S. Mole weight: 586.18. | |
| Montelukast Acyl-β-D-glucuronide Acetic Acid Salt | Montelukast Acyl-β-D-glucuronide Acetic Acid Salt is a metabolite of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Synonyms: 1-O- ({1-[ ({ (1R) -1-{3-[ (E) -2- (7-Chloro-2-quinolinyl) vinyl]phenyl}-3-[2- (2-hydroxy-2-propanyl) phenyl]propyl}sulfanyl) methyl]cyclopropyl}acetyl) -α -D-erythro-hexopyranuronic acid acetate (1:1); α-D-erythro-Hexopyranuronic acid, 1- [2- [1- [ [ [ (1R) -1- [3- [ (E) -2- (7-chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropyl] acetate] , acetate (1:1) (salt); 1- [1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetate] β-D-Glucopyranuronic Acid Acetic Acid Salt; Montelukast M1 Acetic acid Salt. Grades: ≥95%. Molecular formula: C43H48ClNO11S. Mole weight: 822.36. | |
| Montelukast Acyl- β-D-glucuronide-d6 | A labeled metabolite of Montelukast. 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] cyclopropaneacetate] β-D-Glucopyranuronic Acid. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| Montelukast Bis-sulfide (mixture of diastereomers) | Montelukast Bis-sulfide (mixture of diastereomers) is an impurity of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Synonyms: 1- [ [ [ (1R) -1- [3- [ (1R, S) -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; Montelukast Michael Aduct. CAS No. 1242260-05-4. Molecular formula: C41H46ClNO5S2. Mole weight: 732.39. | |
| 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 Bis-sulfide (Mixture of Diastereomers) | Montelukast impurity. Group: Biochemicals. Alternative Names: 1- [ [ [ (1R) -1- [3- [ (1R) -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. Grades: Highly Purified. CAS No. 1187586-61-3. Pack Sizes: 10mg. US Biological Life Sciences. | Worldwide |
| Montelukast CN 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: Montelukast Cyclopropaneacetonitrile; 1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetonitrile. Grades: > 95%. CAS No. 866923-62-8. Molecular formula: C35H35ClN2OS. Mole weight: 567.2. | |
| Montelukast Cyclopropacetaneamide 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: 1-[[[ (1R) -1-[3-[ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl]phenyl]-3-[2- (1-hydroxy-1-methylethyl) phenyl]propyl]thio]methyl]-cyclopropaneacetamide. Grades: > 95%. CAS No. 866923-63-9. Molecular formula: C35H37ClN2O2S. Mole weight: 585.21. | |
| Montelukast cyclopropaneacetamide-d6 (Impurity) | Montelukast cyclopropaneacetamide-d6 (Impurity). Group: Biochemicals. Alternative Names: 1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] -cyclopropaneacetamide-d6. Grades: Highly Purified. Pack Sizes: 1mg. Molecular Formula: C35H31D6ClN2O2S, Molecular Weight: 591.24. US Biological Life Sciences. | Worldwide |
| Montelukast cyclopropaneacetamide (Impurity) | Montelukast cyclopropaneacetamide (Impurity). Group: Biochemicals. Alternative Names: 1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] -cyclopropaneacetamide. Grades: Highly Purified. CAS No. 866923-63-9. Pack Sizes: 10mg. Molecular Formula: C35H37ClN2O2S, Molecular Weight: 585.2. US Biological Life Sciences. | Worldwide |
| Montelukast Cyclopropane acetonitrile | Montelukast Cyclopropane acetonitrile. Group: Biochemicals. Alternative Names: 1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1- methyl ethyl) phenyl] propyl ] thio] methyl ] cyclopropane acetonitrile. Grades: Highly Purified. CAS No. 866923-62-8. Pack Sizes: 5mg. Molecular Formula: C35H35ClN2OS, Molecular Weight: 567.179999999999. US Biological Life Sciences. | Worldwide |
| Montelukast Cyclopropane acetonitrile-d6 | Montelukast Cyclopropane acetonitrile-d6. Group: Biochemicals. Alternative Names: 1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1- methyl ethyl) phenyl] propyl ] thio] methyl ] cyclopropane acetonitrile-d6. Grades: Highly Purified. Pack Sizes: 1mg. Molecular Formula: C35H29D6ClN2OS, Molecular Weight: 573.22. US Biological Life Sciences. | Worldwide |
| Montelukast Dicarboxylic Acid (Mixture of Diastereomers) | Montelukast Dicarboxylic Acid (Mixture of Diastereomers) is a metabolite of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Synonyms: 2-[ (3R) -3-[[[1- (Carboxymethyl) cyclopropyl]methyl]thio]-3-[3-[ (1E) -2- (7-chloro-2-quinolinyl) ethenyl]phenyl]propyl]-α -hydroxy-α -methylbenzeneacetic Acid; Benzeneacetic acid, 2-[ (3R) -3-[[[1- (carboxymethyl) cyclopropyl]methyl]thio]-3-[3-[ (E) -2- (7-chloro-2-quinolinyl) ethenyl]phenyl]propyl]-α -hydroxy-α -methyl-. Grades: ≥90%. CAS No. 213380-27-9. Molecular formula: C35H34ClNO5S. Mole weight: 616.17. | |
| Montelukast Dicyclohexylamine Salt | 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) phenyl] propyl] thio] methyl] cyclopropaneacetic N-Cyclohexyl cyclohexanamine; Montelukast DCHA. Grades: Highly Purified. CAS No. 577953-88-9. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| Montelukast Dicyclohexylamine Salt | Montelukast is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Uses: A selective leukotriene d4-receptor antagonist. used as an antiasthmatic. Synonyms: 1- [1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetic N-Cyclohexylcyclohexanamine; Montelukast DCHA. Grades: 95%. CAS No. 577953-88-9. Molecular formula: C47H59ClN2O3S. Mole weight: 767.50. | |
| 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 Gem-dimethylmethylene Analogue | Montelukast Gem-dimethylmethylene Analogue is an analog of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Uses: An analog of montelukast, used for preparation of mk-0476. Synonyms: [R- (E) ]-3-[[[1-[3-[2- (7-Chloro-2-quinolinyl) ethenyl]phenyl]-3-[2- (1-hydroxy-1-methylethyl) phenyl]propyl]thio]methyl]-3-methylbutanoic Acid; 4-({(1R)-1-{3-[(E)-2-(7-Chloro-2-quinolinyl)vinyl]phenyl}-3-[2-(2-hydroxy-2-propanyl)phenyl]propyl}sulfanyl)-3,3-dimethylbutanoic acid; Butanoic acid, 4-[[(1R)-1-[3-[(E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]-3,3-dimethyl-; 4-{(R)-1-{3-[(E)-2-(7-Chloro-quinolin-2-yl)-vinyl]-phenyl}-3-[2-(1-hydroxy-1-methyl-ethyl)-phenyl]-propylsulfanyl}-3,3-dimethyl-butyric acid. Grades: ≥95%. CAS No. 162489-70-5. Molecular formula: C35H38ClNO3S. Mole weight: 588.20. | |
| Montelukast Methyl Ester | Montelukast Methyl Ester is an impurity of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Synonyms: 1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetic Acid Methyl Ester. Grades: >95%. CAS No. 855473-51-7. Molecular formula: C36H38ClNO3S. Mole weight: 600.21. | |
| Montelukast Related Impurity 1 | 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-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]-1-propanone. Grades: > 95%. CAS No. 1258428-71-5. Molecular formula: C29H26ClNO2. Mole weight: 455.99. | |
| 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. | |
| 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 sulfone | Montelukast sulfone. Group: Biochemicals. Alternative Names: 1- [ [ [1- [3- [2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] sulfonyl] methyl] cyclopropaneacetic acid. Grades: Highly Purified. CAS No. 1266620-74-9. Pack Sizes: 2mg, 5mg, 10mg, 25mg, 50mg. Molecular Formula: C35H36ClNO5S. US Biological Life Sciences. | Worldwide |
| Montelukast Sulfone | 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- [ [ [1- [3- [2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] sulfonyl] methyl] cyclopropaneacetic Acid. Grades: > 95%. CAS No. 1266620-74-9. Molecular formula: C35H36ClNO5S. Mole weight: 618.18. | |
| Montelukast Sulfone | Montelukast Sulfone. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Montelukast Sulfone, 1- [ [ [ (1R) -1- [3- [ (1E) -2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] sulfonyl] methyl] cyclopropaneacetic Acid. CAS No. 1266620-74-9. IUPAC Name: 2- [1- [ [ (1R) -1- [3- [ (E) -2- (7-chloroquinolin-2-yl) ethenyl] phenyl] -3- [2- (2-hydroxypropan-2-yl) phenyl] propyl] sulfonylmethyl] cyclopropyl] acetic acid. Molecular Formula: C35H36ClNO5S. Mole Weight: 618.18. Catalog: APS1266620749. SMILES: CC (C) (O)c1ccccc1CC[C@H] (c2cccc (\C=C\c3ccc4ccc (Cl)cc4n3)c2)S (=O) (=O)CC5 (CC (=O)O)CC5. Format: Neat. | |
| Montelukast Sulfone. | Montelukast impurity. Group: Biochemicals. Alternative Names: 1- [ [ [1- [3- [2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] sulfonyl] methyl] cyclopropaneacetic Acid. Grades: Highly Purified. CAS No. 1266620-74-9. Pack Sizes: 5mg. US Biological Life Sciences. | Worldwide |
| Montelukast sulfoxide | Montelukast sulfoxide is an impurity of Montelukast, which is a leukotriene D4-receptor antagonist used in the treatment of allergies and asthma. Synonyms: 1-[[[ (1R) -1-[3-[ (1E) -2- (7-chloro-2-quinolinyl) ethenyl]phenyl]-3-[2- (1-hydroxy-1-methylethyl) phenyl]propyl]sulfinyl]methyl]-cyclopropaneacetic acid; Montelukast sodium specified impurity C [EP]; Montelukast sodium, sulfoxide impurity-[USP]. Grades: >98%. CAS No. 1152185-58-4. Molecular formula: C35H36ClNO4S. Mole weight: 602.18. | |
| Montelukast sulfoxide(mixture of diastereomers) | Montelukast sulfoxide(mixture of diastereomers). Uses: Designed for use in research and industrial production. Additional or Alternative Names: 1-[[[1-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfinyl]methyl]cyclopropaneacetic Acid; Montelukast M2. Product Category: Heterocyclic Organic Compound. Appearance: Light Yellow Solid. CAS No. 909849-96-3. Molecular formula: C35H36ClNO4S. Mole weight: 602.18. Product ID: ACM909849963. Alfa Chemistry ISO 9001:2015 Certified. | |
| Montelukast Sulfoxide (Mixture of Diastereomers) | Montelukast Sulfoxide (Mixture of Diastereomers). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Montelukast Sulfoxide, 1- [ [ [1- [3- [2- (7-Chloro-2-quinolinyl) ethenyl] phenyl] -3- [2- (1-hydroxy-1-methylethyl) phenyl] propyl] sulfinyl] methyl] cyclopropaneacetic Acid. CAS No. 909849-96-3. IUPAC Name: 2- [1- [ [ (1R) -1- [3- [ (E) -2- (7-chloroquinolin-2-yl) ethenyl] phenyl] -3- [2- (2-hydroxypropan-2-yl) phenyl] propyl] sulfinylmethyl] cyclopropyl] acetic acid. Molecular Formula: C35H36ClNO4S. Mole Weight: 602.18. Catalog: APS909849963. SMILES: CC (C) (O)c1ccccc1CC[C@H] (c2cccc (\C=C\c3ccc4ccc (Cl)cc4n3)c2)S (=O)CC5 (CC (=O)O)CC5. Format: Neat. | |
| 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. | |
| 2-[3- (S) -[3- (2- (7-Chloro-2-quinolinyl) ethenyl) phenyl]-3-hydroxypropyl]phenyl-2- (1-hydroxy-2-methoxymethyl) propanol | Intermediate in the production of Montelukast metabolites. Group: Biochemicals. Grades: Highly Purified. CAS No. 184764-20-3. Pack Sizes: 2.5mg. US Biological Life Sciences. | Worldwide |
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