Pharmaceutical analytical standards

Active ingredients, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

Results 1,201-1,210 of 5,812

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Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-M165-004
CAS: 918972-54-0
Formula: C₃₅H₃₄ClNO₂S
Family: Montelukast
Synonyms: Montelukast methylstyrene, Cyclopropaneacetic acid, 1-((((1R)-1-(3-((1E)-2-(7-chloro-2-quinolinyl)ethenyl)phenyl)-3-(2-(1-methylethenyl)phenyl)propyl)thio)methyl)-

Pharmacopoeial impurityLevels of characterisation

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-M165-006
CAS: 2641214-96-0
Formula: C₃₅H₃₆ClNO₄S
Family: Montelukast
Synonyms: Montelukast sulfoxide, Cyclopropaneacetic acid, 1-((((1R)-1-(3-((1E)-2-(7-chloro-2-quinolinyl)ethenyl)phenyl)-3-(2-(1-hydroxy-1-methylethyl)phenyl)propyl)sulfinyl)methyl)-

Pharmacopoeial impurityLevels of characterisation

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-M165-009
CAS: 1242260-05-4
Formula: C₄₁H₄₆ClNO₅S₂
Family: Montelukast
Synonyms: Montelukast EP Impurity D+E(Mix.of Diastereomers), Montelukast Bis-sulfide

Pharmacopoeial impurityLevels of characterisation

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-M165-011
CAS: 937275-23-5
Formula: C₃₄H₃₂ClNO₃S
Family: Montelukast
Synonyms: Montelukast Methyl Ketone, Cyclopropaneacetic acid, 1-((((1R)-3-(2-acetylphenyl)-1-(3-((1E)-2-(7-chloro-2-quinolinyl)ethenyl)phenyl)propyl)thio)methyl)-

Pharmacopoeial impurityLevels of characterisation

Pharmacopoeial impurityLevels of characterisation

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-M165-014
CAS: 851755-56-1
Formula: C₃₄H₃₂ClNO₄S
Family: Montelukast
Synonyms: 2'-Des(1-hydroxy-1-methylethyl)-2'-methycarboxy montelukast, Benzoic acid, 2-((3R)-3-(((1-(carboxymethyl)cyclopropyl)methyl)thio)-3-(3-((1E)-2-(7-chloro-2-quinolinyl)ethenyl)phenyl)propyl)-, 1-methyl ester

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