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Catalog No. Product Name Enrichment
Quantity Price
50685 2’’-Des(1-hydroxy-1-methylethyl)-2’’-carboxy Montelukast Bissodium Salt
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56585 2’’-Des(1-hydroxy-1-methylethyl)-2’’-methycarboxy Montelukast
100 mg $675   Add to Cart
1 g $2,400   Add to Cart
56586 2’’-Des(1-hydroxy-1-methylethyl)-2’’-methycarboxy Montelukast HCl
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50650 Des[3-[[(1-Carboxymethyl)cyclopropyl]methyl]thio]-2-propenyl Montelukast Mesylate
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D50651 Des[3-[[(1-Carboxymethyl)cyclopropyl]methyl]thio]-2-propenyl Montelukast-d6 Mesylate
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24182 Dihydro Montelukast Sodium Salt
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;
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73407 Hydroxy Montelukast
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96834 Methoxy Montelukast
Synonyms:
(R,E)-2-(1-(((1-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-(2- (2-methoxy-d3-propan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl) acetic Acid;
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28033 2-Methoxymethyl Montelukast 1,2-Diol(Mixture of Diastereomers)
Synonyms:
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;
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33751 Montelukast
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26722 25-Hydroxy 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;
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29010 cis-Montelukast
Synonyms:
1-[[[(1R)-1-[3-[(1Z)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3- [2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl] cyclopropaneacetic Acid;
1 mg $790   Add to Cart
58921 α-Hydroxy Montelukast
0.5 mg $775   Add to Cart
2.5 mg $1,475   Add to Cart
10 mg $3,950   Add to Cart
10925 21(R)-Hydroxy Montelukast
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;
1 mg $875   Add to Cart
5 mg $2,000   Add to Cart
10926 21(S)-Hydroxy Montelukast
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;
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83126 Montelukast 1, 2-Diol
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12399 Montelukast 1,2-Diol (Mixture of diastereomers)
Synonyms:
1-[1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]- 3-[2-(1,2-diol-2-methylethyl)phenyl]propyl]thio]methyl] cyclopropaneacetic; M6a,b;
1 mg $900   Add to Cart
5 mg $2,200   Add to Cart
33308 Montelukast acyl-β-D-glucuronide
Synonyms:
(2S,3R,4R,5R)-6-(2-(1-((((R)-1-(3-((E)-2-(7-(2S,3R,4R,5R)-6-(2-(1 -((((R)-1-(3-((E)-2-(7-hydroxypropan-2-yl)phenyl)propyl)thio) methyl)cyclopropyl)acetoxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2 -carboxylic acid;
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33047 Montelukast acyl-β-D-glucuronide
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29011 Montelukast Acyl-β-D-glucuronide Acetic Acid Salt
Synonyms:
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;
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D29012 Montelukast Acyl-β-D-glucuronide-d6
Synonyms:
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;
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97587 (R,S)-Montelukast Bis-sulfide
Synonyms:
1-[[[(1R)-1-[3-[(1S)-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;
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29006 Montelukast Bis-sulfide (Mixture of Diastereomers)
Synonyms:
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;
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52450 Montelukast Bisolefin Impurity
0.5 mg $775   Add to Cart
5 mg $3,200   Add to Cart
83127 Montelukast CN Impurity
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52448 Montelukast Cyclized Ether impurity
5 mg $650   Add to Cart
50 mg $2,200   Add to Cart
D52449 Montelukast Cyclized Ether impurity-d6
1 mg $700   Add to Cart
10 mg $2,500   Add to Cart
60523 Montelukast cyclopropaneacetamide (Impurity)
10 mg $650   Add to Cart
100 mg $2,200   Add to Cart
D60524 Montelukast cyclopropaneacetamide-d6 (Impurity)
1 mg $675   Add to Cart
10 mg $2,400   Add to Cart
66318 Montelukast Cyclopropaneacetonitrile
5 mg $675   Add to Cart
50 mg $2,400   Add to Cart
D66319 Montelukast Cyclopropaneacetonitrile-d6
1 mg $675   Add to Cart
10 mg $2,400   Add to Cart
29017 Montelukast Dicarboxylic Acid(Mixture of Diastereomers)
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;
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29007 Montelukast dicyclohexylamine salt
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.;
100 mg $390   Add to Cart
83124 Montelukast Dihydro Impurity
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83118 Montelukast EP Impurity I
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37060 Montelukast for Peak Identification
20 mg $1,171   Add to Cart
29013 Montelukast Gem-dimethylmethylene Analogue
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;
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83138 Montelukast Impurity 7
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83140 Montelukast Impurity 8
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83141 Montelukast Impurity 9
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83119 Montelukast Impurity H
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83120 Montelukast Keto Carbinol Impurity
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52451 Montelukast ketocarbinol impurity
1 mg $490   Add to Cart
52452 Montelukast Methyl Ester
25 mg $675   Add to Cart
250 mg $2,400   Add to Cart
D52453 Montelukast Methyl Ester-d3
1 mg $650   Add to Cart
10 mg $2,200   Add to Cart
83122 Montelukast Methyl Ether
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29016 Montelukast Methyl Ketone
Synonyms:
1-[[[(1R)-3-(2-Acetylphenyl)-1-[3-[(1E)-2-(7-chloro-2-quinolinyl) ethenyl]phenyl]propyl]thio]methyl]cyclopropaneacetic Acid;
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83144 Montelukast Methylstyrene Impurity
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83145 Montelukast R, R-Isomer
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83116 Montelukast R, S-Isomer
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37061 Montelukast Racemate
20 mg $1,171   Add to Cart
83131 Montelukast Related Impurity 1
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83132 Montelukast Related Impurity 2
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83133 Montelukast Related Impurity 3
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83134 Montelukast Related Impurity 4
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83135 Montelukast Related Impurity 5
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83137 Montelukast Related Impurity 6
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37062 Montelukast Sodium
50 mg $715   Add to Cart
29008 ent-Montelukast Sodium Salt
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;
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29014 Montelukast Styrene
Synonyms:
1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3- [2-(1-methylethenyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid; Montelukast Impurity;
10 mg $1,490   Add to Cart
29015 Montelukast Sulfone
Synonyms:
1-[[[1-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1- hydroxy-1-methylethyl)phenyl]propyl]sulfonyl]methyl] cyclopropaneacetic Acid;
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83123 Montelukast Sulfone
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83130 Montelukast Sulfone N-Oxide
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12400 Montelukast Sulfoxide (Mixture of diastereomers)
Synonyms:
1-[[[1-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1- hydroxy-1-methylethyl)phenyl]propyl]sulfinyl]methyl]- cyclopropaneacetic Acid;
5 mg $490   Add to Cart
83136 Montelukast sulfoxide sodium
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12397 Montelukast, Sodium Salt
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; MK-476, Singulair;
10 mg $860   Add to Cart
50 mg $1,880   Add to Cart
D4357 Montelukast-d6, Sodium Salt
Synonyms:
(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); 		98%D
1 mg $750   Add to Cart
5 mg $1,800   Add to Cart
D52447 Montelukast-d6 Bis-sulfide (mixture of diastereomers)
0.5 mg $800   Add to Cart
5 mg $3,400   Add to Cart
D26720 21(R)-Hydroxy Montelukast-d6
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-d6;
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D26721 21(S)-Hydroxy Montelukast-d6
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-d6;
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83142 Montelukast-Acyl-Glucuronide
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D34071 Montelukast-d6
1 mg $715   Add to Cart
5 mg $1,900   Add to Cart
D76070 Montelukast-d6 sodium
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