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Categories / Impurity

Impurity Products

Browse available compounds, catalogue references, CAS numbers and technical details from Clearsynth.

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N-(4-(3-ethoxy-2-hydroxypropoxy)phenyl)-3-(methylthio)propanamide chemical structure
Custom Synthesis

N-(4-(3-ethoxy-2-hydroxypropoxy)phenyl)-3-(methylthio)propanamide

CAT No. CS-O-44071
CAS No. -
Category Impurity
Parent API Suplatast
Formula C15H23NO4S
Mol. Wt. 313.41
N-(4-(3-ethoxy-2-hydroxypropoxy)phenyl)acrylamide chemical structure
Custom Synthesis

N-(4-(3-ethoxy-2-hydroxypropoxy)phenyl)acrylamide

CAT No. CS-O-44072
CAS No. 145133-19-3
Category Impurity
Parent API Suplatast
Formula C14H19NO4
Mol. Wt. 265.3
N-(4-(4-acetamido-2-hydroxyphenoxy)phenyl)acetamide chemical structure
Custom Synthesis

N-(4-(4-acetamido-2-hydroxyphenoxy)phenyl)acetamide

CAT No. CS-T-93313
CAS No. -
Category Impurity
Parent API
Formula C16H16N2O4
Mol. Wt. 300.31
N-(4-(7-chloro-2,3-dihydro-1H-benzo[b]azepine-1-carbonyl)-3-methylphenyl)-2-methylbenzamide chemical structure
Custom Synthesis

N-(4-(7-chloro-2,3-dihydro-1H-benzo[b]azepine-1-carbonyl)-3-methylphenyl)-2-methylbenzamide

CAT No. CS-O-52520
CAS No. 176970-21-1
Category Impurity
Parent API -
Formula C26H23ClN2O2
Mol. Wt. 430.93
N-(4-(chloromethyl)phenyl)-4-methyl-3-((4-(pyridin-3-yl)pyrimidin-2-yl)amino)benzamide chemical structure
Custom Synthesis

N-(4-(chloromethyl)phenyl)-4-methyl-3-((4-(pyridin-3-yl)pyrimidin-2-yl)amino)benzamide

CAT No. CS-O-37019
CAS No. -
Category Impurity
Parent API
Formula C24H20ClN5O
Mol. Wt. 429.9
N-(4-(N-((2R,3S)-3-amino-2-hydroxy-4-phenylbutyl)-N-isobutylsulfamoyl)phenyl)acetamide chemical structure
Custom Synthesis

N-(4-(N-((2R,3S)-3-amino-2-hydroxy-4-phenylbutyl)-N-isobutylsulfamoyl)phenyl)acetamide

CAT No. CS-O-37345
CAS No. 157567-05-0
Category Impurity
Parent API Darunavir
Formula C22H31N3O4S
Mol. Wt. 433.6
N-(4-acetamidobenzoyl)-L-glutamic acid chemical structure
Custom Synthesis

N-(4-acetamidobenzoyl)-L-glutamic acid

CAT No. CS-O-43319
CAS No. 60474-41-1
Category Impurity
Parent API -
Formula C14H16N2O6
Mol. Wt. 308.29
N-(4-Acetamidophenyl)indomethacin Amide chemical structure
Custom Synthesis

N-(4-Acetamidophenyl)indomethacin Amide

CAT No. CS-T-00246
CAS No. 261766-23-8
Category Impurity
Parent API Indomethacin
Formula -
Mol. Wt.
N-(4-amino-1-benzyl-3-hydroxy-5-phenyl-pentyl)-3-methyl-2-(2-oxo-tetrahydro-pyrimidin-1-yl)-butyramide 5-oxopyrrolidine-2-carboxylic acid chemical structure
Custom Synthesis

N-(4-amino-1-benzyl-3-hydroxy-5-phenyl-pentyl)-3-methyl-2-(2-oxo-tetrahydro-pyrimidin-1-yl)-butyramide 5-oxopyrrolidine-2-carboxylic acid

CAT No. CS-O-40312
CAS No. 192726-06-0
Category Impurity
Parent API
Formula C32H45N5O6
Mol. Wt. 595.7
N-(4-amino-3-methoxyphenyl)-N-hydroxy methanesulfonamide chemical structure
Custom Synthesis

N-(4-amino-3-methoxyphenyl)-N-hydroxy methanesulfonamide

CAT No. CS-O-46723
CAS No. -
Category Impurity
Parent API Amsacrine
Formula C8H12N2O4S
Mol. Wt. 232.26
N-(4-aminophenyl)-2-((4-aminophenyl)(methyl)amino) acetamide chemical structure
Custom Synthesis

N-(4-aminophenyl)-2-((4-aminophenyl)(methyl)amino) acetamide

CAT No. CS-O-52652
CAS No. -
Category Impurity
Parent API -
Formula C15H18N4O
Mol. Wt. 270.33
N-(4-aminophenyl)-2-(4-methylpiperazin-1-yl)-N-(2-(piperazin-1-yl)acetyl)acetamide chemical structure
Custom Synthesis

N-(4-aminophenyl)-2-(4-methylpiperazin-1-yl)-N-(2-(piperazin-1-yl)acetyl)acetamide

CAT No. CS-O-52651
CAS No. -
Category Impurity
Parent API -
Formula C19H30N6O2
Mol. Wt. 374.48
N-(4-Aminophenyl)-2,2-dichloro-N-methylacetamide chemical structure
Custom Synthesis

N-(4-Aminophenyl)-2,2-dichloro-N-methylacetamide

CAT No. CS-O-52650
CAS No. 99846-70-5
Category Impurity
Parent API -
Formula C9H10Cl2N2O
Mol. Wt. 233.09
N-(4-Bromo-2-(hydroxymethyl)phenyl)acetamide chemical structure
Custom Synthesis

N-(4-Bromo-2-(hydroxymethyl)phenyl)acetamide

CAT No. CS-O-56457
CAS No. 50739-71-4
Category Impurity
Parent API Bromhexine
Formula C9H10BrNO2
Mol. Wt. 244.09
N-(4-Difluoromethoxyphenyl)-acetamide chemical structure
Custom Synthesis

N-(4-Difluoromethoxyphenyl)-acetamide

CAT No. CS-DL-01075
CAS No. 22236-11-9
Category Impurity
Parent API Pantoprazole
Formula C9H9F2NO2
Mol. Wt. 201.2
N-(4-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine chemical structure
Custom Synthesis

N-(4-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine

CAT No. CS-O-37082
CAS No. 1029721-32-1
Category Impurity
Parent API
Formula C22H23N3O4
Mol. Wt. 393.44
N-(4-fluorophenyl)-2-(hydroxyimino)acetamide chemical structure
Custom Synthesis

N-(4-fluorophenyl)-2-(hydroxyimino)acetamide

CAT No. CS-ED-41638
CAS No. 351-09-7
Category Impurity
Parent API Sunitinib
Formula C8H7FN2O2
Mol. Wt. 182.15
N-(4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carbonyl)-N-methylglycine chemical structure
Custom Synthesis

N-(4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carbonyl)-N-methylglycine

CAT No. CS-O-54973
CAS No.
Category Impurity
Parent API -
Formula C20H18N2O5
Mol. Wt. 366.37
N-(4-hydroxybutyl)-N-isopropylnitrous amide chemical structure
Custom Synthesis

N-(4-hydroxybutyl)-N-isopropylnitrous amide

CAT No. CS-O-44377
CAS No.
Category Impurity
Parent API -
Formula C7H16N2O2
Mol. Wt. 160.21
N-(4-Hydroxyphenyl)glycine chemical structure
Custom Synthesis

N-(4-Hydroxyphenyl)glycine

CAT No. CS-BX-00463
CAS No. 122-87-2
Category Impurity
Parent API Amoxicillin
Formula C8H9NO3
Mol. Wt. 167.2
N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole Sulfone chemical structure
Custom Synthesis

N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole Sulfone

CAT No. CS-T-81597
CAS No. 1346599-74-3
Category Impurity
Parent API Omeprazole
Formula -
Mol. Wt.
N-(4-methoxyphenyl)nitrous hydrazide chemical structure
Custom Synthesis

N-(4-methoxyphenyl)nitrous hydrazide

CAT No. CS-O-44916
CAS No. -
Category Impurity
Parent API Apixaban
Formula C7H9N3O2
Mol. Wt. 167.17
N-(4-pyridyl)-2-hydroxybutyramide chemical structure
Custom Synthesis

N-(4-pyridyl)-2-hydroxybutyramide

CAT No. CS-O-13620
CAS No. 1864897-67-5
Category Impurity
Parent API Fampridine
Formula C9H12N2O2
Mol. Wt. 180.2
N-(5-(hydroxymethyl)-4-isopropyl-6-phenylpyrimidin-2-yl)-N-methylmethanesulfonamide chemical structure
Custom Synthesis

N-(5-(hydroxymethyl)-4-isopropyl-6-phenylpyrimidin-2-yl)-N-methylmethanesulfonamide

CAT No. CS-O-39853
CAS No. -
Category Impurity
Parent API rosuvastatin
Formula C16H21N3O3S
Mol. Wt. 335.42

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