[]
Press enter to search compound
Logo
Quick Enquiry
  • sales@clearsynth.com
A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z    
Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Montelukast, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Montelukast impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Montelukast-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Montelukast Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2,2-Dimethoxy-d6 Montelukast Stable Isotopes CS-T-97579 Not Available Enquire
21(R)-Hydroxy Montelukast-d6 Stable Isotopes CS-T-97419 184763-26-6(Unlabelled) Enquire
21(S)-Hydroxy Montelukast-d6 Stable Isotopes CS-T-97418 Not Available Enquire
Des[3-[[(1-Carboxymethyl)cyclopropyl]methyl]thio]-2-propenyl... Stable Isotopes CS-T-99311 Not Available Enquire
Methoxy-d3 Montelukast Stable Isotopes CS-T-97319 Not Available Enquire
Methoxy-d3 Montelukast Methyl Ester-d3 Stable Isotopes CS-T-102722 Not Available Enquire
Montelukast Acyl-b-D-glucuronide-d6 Stable Isotopes CS-T-102203 Not Available Enquire
Montelukast Cyclized Ether impurity-d6 Stable Isotopes CS-T-99149 Not Available Enquire
Montelukast Cyclopropaneacetamide-d6 (Impurity) Stable Isotopes CS-T-99151 Not Available Enquire
Montelukast Cyclopropaneacetonitrile-d6 Stable Isotopes CS-T-97276 Not Available Enquire
Montelukast Methyl Ester-d3 Stable Isotopes CS-T-99148 Not Available Enquire
Montelukast-d6 Stable Isotopes CS-O-06791 1093746-29-2 Enquire
Montelukast-d6 Bis-sulfide (mixture of diastereomers) Stable Isotopes CS-T-99150 Not Available Enquire
Montelukast-d6 Sodium Stable Isotopes CS-O-03176 2673270-26-1 In Stock
(S)-Montelukast Sodium Stable Isotopes CS-O-05826 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Montelukast API CS-O-01846 158966-92-8 In Stock
Montelukast Potassium API CS-EO-03707 577953-87-8 Enquire
Montelukast racemate API CS-O-48156 Not Available Enquire
Montelukast Sodium API CS-O-01855 151767-02-1 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(E)-Montelukast (3R)-hydroxy propanol Impurity CS-T-51002 150026-75-8 Enquire
(S) Montelukast Impurity CS-O-05738 220927-27-5 In Stock
1-(Chloromethyl)-3-(dichloromethyl)benzene Impurity CS-O-48476 30220-25-8 Enquire
2-(3(S)-(3-(2-(7-chloro-2-quinolinyl)ethenyl)phenyl)-3- hydr... Impurity CS-O-45557 144551-23-5 Enquire
a-Hydroxy Montelukast Impurity CS-TB-68430 2045402-27-3 Enquire
Cyclopropane-1,1- diylbis(methylene) dimethanesulfonate Impurity CS-O-40933 136476-38-5 In Stock
Dihydro Montelukast Sodium Salt Impurity CS-T-53076 142147-98-6 In Stock
Montelukast (3R)-Hydroxy Benzoate Impurity CS-O-07942 150026-72-5 In Stock
Montelukast (3R)-Hydroxy Propanol Impurity CS-EO-02223 142542-48-1 Enquire
Montelukast (3S)-Hydroxy Methylketone Impurity CS-T-50998 184764-13-4 Enquire
Montelukast (3S)-hydroxy propanol Impurity CS-T-51001 287930-77-2 Enquire
Montelukast 3-Oxo Propanol Impurity Impurity CS-O-31224 1258428-71-5 In Stock
Montelukast Acid impurity Impurity CS-O-47527 Not Available Enquire
Montelukast Chloroalcohol impurity Impurity CS-EO-03095 880769-28-8 Enquire
Montelukast Cyclopropaneacetonitrile Impurity CS-T-58954 866923-62-8 In Stock
Montelukast Dicyclohexylamine Salt Impurity CS-T-58945 577953-88-9 In Stock
Montelukast Diol Impurity CS-O-32351 142569-70-8 In Stock
Montelukast EP impurity A Impurity CS-O-07943 190078-45-6 In Stock
Montelukast EP Impurity B Impurity CS-O-10009 918972-54-0 In Stock
Montelukast EP Impurity C (Mixture of isomers) Impurity CS-O-10008 909849-96-3 In Stock
Montelukast EP Impurity D Impurity CS-O-11858 1187586-61-3 In Stock
Montelukast EP Impurity D+E (Michael Adduct 1+2) Impurity CS-O-34801 2125943-58-8 In Stock
Montelukast EP Impurity E Impurity CS-O-11859 1187586-58-8 In Stock
Montelukast EP Impurity F Impurity CS-O-11860 937275-23-5 In Stock
Montelukast EP impurity G Impurity CS-O-11861 774538-96-4 In Stock
Montelukast EP impurity H Impurity CS-O-11862 851755-56-1 Enquire
Montelukast Gem-dimethylmethylene Analogue Impurity CS-T-83464 162489-70-5 Enquire
Montelukast Impurity 36 Hydrobromide Impurity CS-O-60346 945934-74-7 Enquire
Montelukast methanesulfonate IMPURITY Impurity CS-O-43280 920739-17-9 Enquire
Montelukast Sulfone Impurity CS-T-58950 1266620-74-9 In Stock
Montelukast Sulphoxide Impurity CS-AB-00066 1152185-58-4 In Stock
(R,E)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(pro... Impurity CS-O-39167 1352029-52-7 Enquire
(S,E)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-h... Impurity CS-O-40934 807638-71-7 Enquire
(Z)-montelukast sulfoxide Impurity CS-O-40815 Not Available Enquire
2-(1-((((1R)-1-(3-(2-(((1-(carboxymethyl)cyclopropyl)methyl)... Impurity CS-O-40891 Not Available Enquire
2,2'-{1,3-Phenylenedi[(E)ethene-2,1-diyl]}bis(7-chloroquinol... Impurity CS-ZG-84107 120578-04-3 Enquire
2’-Des(1-hydroxy-1-methylethyl)-2’-methycarboxy Montelukast ... Impurity CS-T-16010 906107-37-7 Enquire
2-Methoxymethyl Montelukast 1,2-Diol Impurity CS-T-32555 184764-27-0 Enquire
3-bromo-2,2-bis(bromomethyl)propyl acetate Impurity CS-O-41291 3580-97-0 Enquire
Des[3-[[(1-Carboxymethyl)cyclopropyl]methyl]thio]-2-propenyl... Impurity CS-T-52113 1187586-82-8 Enquire
Dihydro Montelukast Sodium Salt Impurity CS-O-33060 142147-98-6 Enquire
ent-Montelukast Sodium Salt Impurity CS-T-82793 190078-45-6 Enquire
Methyl 2-(1-Bromomethylcyclopropyl)acetate Impurity CS-T-94191 855473-50-6 Enquire
Montelukast Bis-sulfide Impurity CS-T-58944 1242260-05-4 Enquire
Montelukast Cyclizate Ether impurity Impurity CS-T-58953 168214-67-3 Enquire
Montelukast cyclopropaneacetamide (Impurity) Impurity CS-T-58943 866923-63-9 Enquire
Montelukast Dehydro Impurity Impurity CS-EO-00294 168214-68-4 Enquire
Montelukast Dicarboxylic Acid Impurity CS-T-58952 213380-27-9 Enquire
Montelukast EP Impurity C (R isomer) Impurity CS-EO-01854 Not Available Enquire
Montelukast EP impurity I Impurity CS-O-11863 Not Available Enquire
Montelukast Ketocarbinol Impurity Impurity CS-EO-01049 Not Available Enquire
Montelukast Methyl Ester Impurity CS-T-58955 855473-51-7 Enquire
Montelukast sodium racemate Impurity CS-EO-00151 Not Available Enquire
Montelukast sulfone N-Oxide Impurity CS-P-08841 Not Available Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(Hydroxymethyl) cyclopropaneacetonitrile Intermediate CS-O-32350 152922-71-9 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Montelukast acyl-Beta-D-glucuronide Glucuronide CS-O-14559 188717-17-1 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Methyl 2-Iodobenzoate Fine Chemicals CS-M-01834 610-97-9 In Stock


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Montelukast dicyclohexylamine Secondary Standards CS-SS-26260-300MG 577953-88-9 Enquire
Montelukast Sodium Secondary Standards CS-SS-24575-1GM 151767-02-1 Enquire


Chiral

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
R-Montelukast Na Chiral CS-O-07941 Not Available Enquire