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Categories / Impurity

Impurity Products

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

Showing 6169-6192 of 27541 products
All In Stock Custom Synthesis
(3S)-4-(Phenylmethyl)-3-morpholinemethanol chemical structure
Custom Synthesis

(3S)-4-(Phenylmethyl)-3-morpholinemethanol

CAT No. CS-T-60464
CAS No. 101376-25-4
Category Impurity
Parent API
Formula -
Mol. Wt.
(3S)-6-(trifluoromethyl)-2,3-dihydro-1-benzofuran-3-amine chemical structure
Custom Synthesis

(3S)-6-(trifluoromethyl)-2,3-dihydro-1-benzofuran-3-amine

CAT No. CS-O-37793
CAS No. 1272724-36-3
Category Impurity
Parent API
Formula C9H8F3NO
Mol. Wt. 203.16
(3S)-Aminoquinuclidine Dihydrochloride chemical structure
Custom Synthesis

(3S)-Aminoquinuclidine Dihydrochloride

CAT No. CS-T-03455
CAS No. 119904-90-4
Category Impurity
Parent API Quinuclidine
Formula C7H16Cl2N2
Mol. Wt. 199.12
(3S)-N-(5-Chloropyrazolo[1,5-a]pyrimidin-3-yl)-3-hydroxy-1-pyrrolidinecarboxamide chemical structure
Custom Synthesis

(3S)-N-(5-Chloropyrazolo[1,5-a]pyrimidin-3-yl)-3-hydroxy-1-pyrrolidinecarboxamide

CAT No. CS-O-39034
CAS No. 2226370-52-9
Category Impurity
Parent API Larotrectinib
Formula C11H12ClN5O2
Mol. Wt. 281.7
(3S)-N-[[(1S)-1,2,3,4-Tetrahydro-1-naphthalenyl]methyl]-1-azabicyclo[2.2.2]octan-3-amine chemical structure
Custom Synthesis

(3S)-N-[[(1S)-1,2,3,4-Tetrahydro-1-naphthalenyl]methyl]-1-azabicyclo[2.2.2]octan-3-amine

CAT No. CS-T-61893
CAS No. 177793-80-5
Category Impurity
Parent API
Formula -
Mol. Wt.
(3S,​4R)​-​3-​fluoro-​4-​methoxypiperidine chemical structure
Custom Synthesis

(3S,​4R)​-​3-​fluoro-​4-​methoxypiperidine

CAT No. CS-O-40300
CAS No. 2140267-29-2
Category Impurity
Parent API
Formula -
Mol. Wt. 133.16
(3S,​4R)​-​tert-​Butyl 3-​fluoro-​4-​hydroxypiperidine-​1-​carboxylate chemical structure
Custom Synthesis

(3S,​4R)​-​tert-​Butyl 3-​fluoro-​4-​hydroxypiperidine-​1-​carboxylate

CAT No. CS-O-40298
CAS No. 1174020-40-6
Category Impurity
Parent API
Formula -
Mol. Wt. 219.25
(3S,3aR,6aS)-Hexahydrofuro[2,3-b]furan-3-ol chemical structure
Custom Synthesis

(3S,3aR,6aS)-Hexahydrofuro[2,3-b]furan-3-ol

CAT No. CS-T-55585
CAS No. 156928-10-8
Category Impurity
Parent API
Formula -
Mol. Wt.
(3S,3aR,6aS)-Hexahydrofuro[2,3-b]furan-3-yl 4-Nitrophenyl Ester Carbonic Acid chemical structure
Custom Synthesis

(3S,3aR,6aS)-Hexahydrofuro[2,3-b]furan-3-yl 4-Nitrophenyl Ester Carbonic Acid

CAT No. CS-T-55614
CAS No. 288296-64-0
Category Impurity
Parent API Darunavir
Formula C13H13NO7
Mol. Wt. 295.3
(3S,3aS,6aR)-Hexahydrofuro[2,3-b]furan-3-yl 4-Nitrophenyl Ester Carbonic Acid chemical structure
Custom Synthesis

(3S,3aS,6aR)-Hexahydrofuro[2,3-b]furan-3-yl 4-Nitrophenyl Ester Carbonic Acid

CAT No. CS-T-55620
CAS No. 252873-01-1
Category Impurity
Parent API Darunavir
Formula C13H13NO7
Mol. Wt. 295.3
(3S,4R) Tofacitinib Citrate chemical structure
Custom Synthesis

(3S,4R) Tofacitinib Citrate

CAT No. CS-O-39728
CAS No. 2174011-54-0
Category Impurity
Parent API Tofacitinib
Formula C22H28N6O8
Mol. Wt. 504.49
(3S,4R)-1-Boc-3-hydroxymethyl-4-(4-fluorophenyl)-piperidine chemical structure
Custom Synthesis

(3S,4R)-1-Boc-3-hydroxymethyl-4-(4-fluorophenyl)-piperidine

CAT No. CS-DV-00177
CAS No. 200572-33-4
Category Impurity
Parent API
Formula -
Mol. Wt.
(3S,4R)-1-Methyl-4-phenyl-3-piperidinemethanol chemical structure
Custom Synthesis

(3S,4R)-1-Methyl-4-phenyl-3-piperidinemethanol

CAT No. CS-O-59487
CAS No. 176022-03-0
Category Impurity
Parent API Paroxetine
Formula C13H19NO
Mol. Wt. 205.30
(3S,4R)-3,4-Dimethyl-4-(3-hydroxyphenyl)piperidine chemical structure
Custom Synthesis

(3S,4R)-3,4-Dimethyl-4-(3-hydroxyphenyl)piperidine

CAT No. CS-O-16755
CAS No. 2165896-76-2
Category Impurity
Parent API
Formula -
Mol. Wt. 205.30
(3S,4R)-3-Bromoacetyl-4-ethyl-N-(2,2,2-trifluoroethyl) pyrrolidine-1-carboxamide chemical structure
Custom Synthesis

(3S,4R)-3-Bromoacetyl-4-ethyl-N-(2,2,2-trifluoroethyl) pyrrolidine-1-carboxamide

CAT No. CS-O-58524
CAS No.
Category Impurity
Parent API Upadacitinib
Formula C11H16BrF3N2O2
Mol. Wt. 345.16
(3S,4R)-4-(4-Fluorophenyl)-3-[[3-methoxy-4-(benzyloxy)phenoxy]methyl] piperidine chemical structure
Custom Synthesis

(3S,4R)-4-(4-Fluorophenyl)-3-[[3-methoxy-4-(benzyloxy)phenoxy]methyl] piperidine

CAT No. CS-T-54927
CAS No. 600135-89-5
Category Impurity
Parent API
Formula -
Mol. Wt.
(3S,4R)-Benidipine HCl chemical structure
Custom Synthesis

(3S,4R)-Benidipine HCl

CAT No. CS-P-00682
CAS No. 119009-45-9
Category Impurity
Parent API Benidipine
Formula -
Mol. Wt.
(3S,4R)-tert-butyl 4-amino-3-fluoropiperidine-1-carboxylate chemical structure
Custom Synthesis

(3S,4R)-tert-butyl 4-amino-3-fluoropiperidine-1-carboxylate

CAT No. CS-DV-00180
CAS No. 907544-20-1
Category Impurity
Parent API
Formula -
Mol. Wt.
(3S,4R,4aS,7aR,12bS)-9-Acetoxy-3-(cyclopropylmethyl)-4a-hydroxy-3-methyl-7-oxo-2,3,4,4a,5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-3-ium Bromide chemical structure
Custom Synthesis

(3S,4R,4aS,7aR,12bS)-9-Acetoxy-3-(cyclopropylmethyl)-4a-hydroxy-3-methyl-7-oxo-2,3,4,4a,5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-3-ium Bromide

CAT No. CS-O-41019
CAS No. 1252784-80-7
Category Impurity
Parent API Naltrexone
Formula C23H28BrNO5
Mol. Wt. 478.38
(3S,4R,5R)-1-(2-fluoro-5-(5-(2-methyl-5-((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahyd chemical structure
Custom Synthesis

(3S,4R,5R)-1-(2-fluoro-5-(5-(2-methyl-5-((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahyd

CAT No. CS-O-34791
CAS No. -
Category Impurity
Parent API Canagliflozin
Formula C48H50F2O11S2
Mol. Wt. 905.03 mol/g
(3S,4R,5R)-ethyl 4-acetamido-5-amino-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate phosphate chemical structure
Custom Synthesis

(3S,4R,5R)-ethyl 4-acetamido-5-amino-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate phosphate

CAT No. CS-O-37431
CAS No. 1240096-71-2
Category Impurity
Parent API Oseltamivir
Formula C16H31N2O8P
Mol. Wt. 410.40
(3S,4R,5R,6S)-6-(4-chloro-3-(hydroxy(4-(((S)-tetrahydrofuran-3-yl)oxy)phenyl)methyl)phenyl)-2-(hydro chemical structure
Custom Synthesis

(3S,4R,5R,6S)-6-(4-chloro-3-(hydroxy(4-(((S)-tetrahydrofuran-3-yl)oxy)phenyl)methyl)phenyl)-2-(hydro

CAT No. CS-O-33305
CAS No. -
Category Impurity
Parent API
Formula C23H27ClO9
Mol. Wt. 482.91
(3S,4R,5S)-4-Acetylamino-5-amino-3-(1-ethyl-propoxy)-cyclohex-1-enecarboxylic acid ethyl ester chemical structure
Custom Synthesis

(3S,4R,5S)-4-Acetylamino-5-amino-3-(1-ethyl-propoxy)-cyclohex-1-enecarboxylic acid ethyl ester

CAT No. CS-O-35870
CAS No. -
Category Impurity
Parent API Oseltamivir
Formula C16H28N2O4
Mol. Wt. 312.4
(3S,4R,5S,6R)-5-(benzyloxy)-6-(hydroxymethyl)piperidine-3,4-diol chemical structure
Custom Synthesis

(3S,4R,5S,6R)-5-(benzyloxy)-6-(hydroxymethyl)piperidine-3,4-diol

CAT No. CS-O-48215
CAS No. 1704372-47-3
Category Impurity
Parent API Migalastat
Formula C13H19NO4
Mol. Wt. 253.3

Impurity Products at Clearsynth

Browse available Impurity products from Clearsynth. These compounds support analytical research, quality control and pharmaceutical development.

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