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Categories / Impurity

Impurity Products

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

Showing 9529-9552 of 27565 products
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4-(1-(tert-Butylamino)ethyl)-2-(hydroxymethyl)phenol chemical structure
Custom Synthesis

4-(1-(tert-Butylamino)ethyl)-2-(hydroxymethyl)phenol

CAT No. CS-O-59377
CAS No.
Category Impurity
Parent API levalbuterol
Formula C13H21NO2
Mol. Wt. 223.32
4-(1-(TETRAHYDRO-2H-PYRAN-2-YL)-1H-PYRAZOL-5-YL)BENZONITRILE chemical structure
Custom Synthesis

4-(1-(TETRAHYDRO-2H-PYRAN-2-YL)-1H-PYRAZOL-5-YL)BENZONITRILE

CAT No. CS-O-66343
CAS No. -
Category Impurity
Parent API Darolutamide
Formula C15H15N3O
Mol. Wt. 253.31
4-(1,1-dimethyl-2-(7-oxohepta-1,3,5-trien-1-yl)-1H-benzo[e]indol-3-ium-3-yl)butane-1-sulfonate chemical structure
Custom Synthesis

4-(1,1-dimethyl-2-(7-oxohepta-1,3,5-trien-1-yl)-1H-benzo[e]indol-3-ium-3-yl)butane-1-sulfonate

CAT No. CS-O-39434
CAS No. -
Category Impurity
Parent API Indocyanine Green
Formula C25H27NO4S
Mol. Wt. 437.55
4-(1-Aminoethyl)benzonitrile chemical structure
Custom Synthesis

4-(1-Aminoethyl)benzonitrile

CAT No. CS-BF-00515
CAS No. 86225-78-7
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(1-hydroxy-1-methylethyl)-2-propyl-1-[[2'[2-(triphenylmethyl)-1H- tetrazole-5yl]biphenyl-4-yl]meth chemical structure
Custom Synthesis

4-(1-hydroxy-1-methylethyl)-2-propyl-1-[[2'[2-(triphenylmethyl)-1H- tetrazole-5yl]biphenyl-4-yl]meth

CAT No. CS-O-35433
CAS No. -
Category Impurity
Parent API Olmesartan
Formula C43H42N6O3
Mol. Wt. 690.83
4-(1-Methyl-4-piperidinyl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophene-4-ol chemical structure
Custom Synthesis

4-(1-Methyl-4-piperidinyl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophene-4-ol

CAT No. CS-T-94089
CAS No. 4506-57-4
Category Impurity
Parent API Ketotifen Fumarate
Formula C19H21NOS
Mol. Wt. 311.4
4-(1-oxidobenzo[b]thiophen-4-yl)-1-(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butyl)piperazine 1-oxide chemical structure
Custom Synthesis

4-(1-oxidobenzo[b]thiophen-4-yl)-1-(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butyl)piperazine 1-oxide

CAT No. CS-O-35182
CAS No. -
Category Impurity
Parent API Brexpiprazole
Formula C25H27N3O4S
Mol. Wt. 465.6
4-(2,3-dichlorophenyl)-N-methyl-1,2,3,4-tetrahydronaphthalen-1-amine 2,2,2-trifluoroacetate chemical structure
Custom Synthesis

4-(2,3-dichlorophenyl)-N-methyl-1,2,3,4-tetrahydronaphthalen-1-amine 2,2,2-trifluoroacetate

CAT No. CS-O-61585
CAS No.
Category Impurity
Parent API Sertraline
Formula C19H18Cl2F3NO2
Mol. Wt. 420.25
4-(2,4-difluorobenzoyl)piperidine-1-carbaldehyde chemical structure
Custom Synthesis

4-(2,4-difluorobenzoyl)piperidine-1-carbaldehyde

CAT No. CS-ED-41684
CAS No. 84162-80-1
Category Impurity
Parent API Risperidone
Formula C13H13F2NO2
Mol. Wt. 253.24
4-(2-Acetylhydrazino)-phthalazinone chemical structure
Custom Synthesis

4-(2-Acetylhydrazino)-phthalazinone

CAT No. CS-ED-41718
CAS No. 65846-18-6
Category Impurity
Parent API Hydralazine
Formula C10H10N4O2
Mol. Wt. 218.21
4-(2-Aminoethyl)morpholine chemical structure
Custom Synthesis

4-(2-Aminoethyl)morpholine

CAT No. CS-BX-00936
CAS No. 2038-03-1
Category Impurity
Parent API Cobicistat
Formula C6H14N2O
Mol. Wt. 130.19
4-(2-Boc-aminoethyl)piperidine chemical structure
Custom Synthesis

4-(2-Boc-aminoethyl)piperidine

CAT No. CS-DL-00813
CAS No. 165528-81-4
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(2-butylbenzofuran-3-carbonyl)-2-iodophenyl 2-(diethylamino)acetate chemical structure
Custom Synthesis

4-(2-butylbenzofuran-3-carbonyl)-2-iodophenyl 2-(diethylamino)acetate

CAT No. CS-O-54198
CAS No.
Category Impurity
Parent API Amiodarone
Formula C25H28INO4
Mol. Wt. 533.40
4-(2-Chloro-1-methylethyl)morpholine hydrochloride chemical structure
Custom Synthesis

4-(2-Chloro-1-methylethyl)morpholine hydrochloride

CAT No. CS-M-25736
CAS No. 76191-26-9
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(2-Chloro-4-fluorophenoxy)piperidine chemical structure
Custom Synthesis

4-(2-Chloro-4-fluorophenoxy)piperidine

CAT No. CS-M-07771
CAS No. 367501-07-3
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(2-Chloroacetyl)oxybenzenesulfonate chemical structure
Custom Synthesis

4-(2-Chloroacetyl)oxybenzenesulfonate

CAT No. CS-O-54394
CAS No.
Category Impurity
Parent API -
Formula C8H6ClO5S-
Mol. Wt. 249.65
4-(2-chloro-N-methylacetamido)-3-(2-chloroacetamido)benzoic acid chemical structure
Custom Synthesis

4-(2-chloro-N-methylacetamido)-3-(2-chloroacetamido)benzoic acid

CAT No. CS-O-40233
CAS No. -
Category Impurity
Parent API
Formula C12H12Cl2N2O4
Mol. Wt. 319.14
4-(2-chloro-N-methylacetamido)-3-nitrobenzoic acid chemical structure
Custom Synthesis

4-(2-chloro-N-methylacetamido)-3-nitrobenzoic acid

CAT No. CS-O-40230
CAS No. -
Category Impurity
Parent API
Formula C10H9ClN2O5
Mol. Wt. 272.64
4-(2-Chlorophenoxy)piperidinehydrochloride chemical structure
Custom Synthesis

4-(2-Chlorophenoxy)piperidinehydrochloride

CAT No. CS-M-07769
CAS No. 849107-20-6
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(2-Fluorobenzoyl)piperidine hydrochloride chemical structure
Custom Synthesis

4-(2-Fluorobenzoyl)piperidine hydrochloride

CAT No. CS-O-14331
CAS No. 64671-29-0
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(2-Fluorophenyl)piperidine-4-carbonitrile chemical structure
Custom Synthesis

4-(2-Fluorophenyl)piperidine-4-carbonitrile

CAT No. CS-BF-00552
CAS No. 252002-43-0
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(2-hydroxy-3-(isopropylamino)propoxy)benzoic acid hydrochloride chemical structure
Custom Synthesis

4-(2-hydroxy-3-(isopropylamino)propoxy)benzoic acid hydrochloride

CAT No. CS-O-42066
CAS No. 33948-04-8
Category Impurity
Parent API Bisoprolol
Formula C13H20ClNO4
Mol. Wt. 289.76
4-(2-Hydroxyethyl)-1,4-Piperidinedicarboxylic Acid 1-(1,1-Dimethylethyl) 4-Ethyl Ester chemical structure
Custom Synthesis

4-(2-Hydroxyethyl)-1,4-Piperidinedicarboxylic Acid 1-(1,1-Dimethylethyl) 4-Ethyl Ester

CAT No. CS-T-56014
CAS No. 247133-32-0
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(2-Isopropylphenoxy)piperidine hydrochloride chemical structure
Custom Synthesis

4-(2-Isopropylphenoxy)piperidine hydrochloride

CAT No. CS-M-07777
CAS No. 1051919-37-9
Category Impurity
Parent API
Formula -
Mol. Wt.

Impurity Products at Clearsynth

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