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Categories / Impurity

Impurity Products

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

Showing 5665-5688 of 27541 products
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(1R,2S)-2-(3,4-difluorophenyl)cyclopropanecarboxylic acid chemical structure
Custom Synthesis

(1R,2S)-2-(3,4-difluorophenyl)cyclopropanecarboxylic acid

CAT No. CS-O-49111
CAS No. 1414348-38-1
Category Impurity
Parent API Ticagrelor
Formula C10H8F2O2
Mol. Wt. 198.17
(1R,2S)-2-(3-ethoxy-4-fluorophenyl)cyclopropan-1-amine chemical structure
Custom Synthesis

(1R,2S)-2-(3-ethoxy-4-fluorophenyl)cyclopropan-1-amine

CAT No. CS-O-54078
CAS No. 2055841-09-1
Category Impurity
Parent API -
Formula C11H14FNO
Mol. Wt. 195.23
(1R,2S)-2-(3-fluorophenyl)cyclopropanamine 2-hydroxy-2-phenylacetate chemical structure
Custom Synthesis

(1R,2S)-2-(3-fluorophenyl)cyclopropanamine 2-hydroxy-2-phenylacetate

CAT No. CS-O-38062
CAS No. -
Category Impurity
Parent API
Formula C17H18FNO3
Mol. Wt. 303.33
(1R,2S)-2-(4-chloro-3-fluorophenyl)cyclopropan-1-amine chemical structure
Custom Synthesis

(1R,2S)-2-(4-chloro-3-fluorophenyl)cyclopropan-1-amine

CAT No. CS-O-54077
CAS No. 2166301-04-6
Category Impurity
Parent API -
Formula C9H9ClFN
Mol. Wt. 185.63
(1R,2S)-2-(4-fluorophenyl)cyclopropanamine-hydroxy(phenyl)ethanoate chemical structure
Custom Synthesis

(1R,2S)-2-(4-fluorophenyl)cyclopropanamine-hydroxy(phenyl)ethanoate

CAT No. CS-O-38063
CAS No. -
Category Impurity
Parent API
Formula C17H18FNO3
Mol. Wt. 303.33
(1R,2S)-2-(hydroxymethyl)-1-phenylcyclopropanecarboxylic acid chemical structure
Custom Synthesis

(1R,2S)-2-(hydroxymethyl)-1-phenylcyclopropanecarboxylic acid

CAT No. CS-O-52676
CAS No. 66823-04-9
Category Impurity
Parent API Milnacipran
Formula C11H12O3
Mol. Wt. 192.21
(1R,2S)-2-phenylcyclopropanecarbohydrazide chemical structure
Custom Synthesis

(1R,2S)-2-phenylcyclopropanecarbohydrazide

CAT No. CS-O-55495
CAS No. 1932043-12-3
Category Impurity
Parent API Tranylcypromine
Formula C10H12N2O
Mol. Wt. 176.22
(1R,2S)-2-Pyrrolidino-1-phenyl-1-propanol chemical structure
Custom Synthesis

(1R,2S)-2-Pyrrolidino-1-phenyl-1-propanol

CAT No. CS-T-61000
CAS No. 127641-25-2
Category Impurity
Parent API
Formula -
Mol. Wt.
(1R,2S)-Darunavir chemical structure
Custom Synthesis

(1R,2S)-Darunavir

CAT No. CS-T-74134
CAS No. 1402142-63-5
Category Impurity
Parent API Darunavir
Formula -
Mol. Wt.
(1'R,2'S)-Nicotine 1'-Oxide chemical structure
Custom Synthesis

(1'R,2'S)-Nicotine 1'-Oxide

CAT No. CS-EO-02161
CAS No. 51020-67-8
Category Impurity
Parent API Nicotine
Formula C10H14N2O
Mol. Wt. 178.23
(1R,2S)-rel-2-Phenylcyclopropanamine Sulfate chemical structure
Custom Synthesis

(1R,2S)-rel-2-Phenylcyclopropanamine Sulfate

CAT No. CS-T-86726
CAS No. 13492-01-8
Category Impurity
Parent API Tranylcypromine
Formula C9H11N : 1/2 (H2SO4)
Mol. Wt. 133.2 : 1/2 (98.1)
(1R,2S)-Tapentadol Hydrochloride chemical structure
Custom Synthesis

(1R,2S)-Tapentadol Hydrochloride

CAT No. CS-TB-79248
CAS No. 1282502-23-1
Category Impurity
Parent API Tapentadol
Formula C14H23NO • HCl
Mol. Wt. 221.343646
(1R,2S,1’S)-Cypermethrin chemical structure
Custom Synthesis

(1R,2S,1’S)-Cypermethrin

CAT No. CS-T-73674
CAS No. 65732-07-2
Category Impurity
Parent API Permethrin
Formula -
Mol. Wt.
(1R,2S,3R,4S)-1,2,3,4-Tetrahydro-1,2,3,4-phenanthrenetetrol chemical structure
Custom Synthesis

(1R,2S,3R,4S)-1,2,3,4-Tetrahydro-1,2,3,4-phenanthrenetetrol

CAT No. CS-T-96079
CAS No. 1224635-16-8
Category Impurity
Parent API
Formula C14H14O4
Mol. Wt. 246.26
(1R,2S,3S,4R)-1-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)hexane-1,2,3,4,6-pentaol chemical structure
Custom Synthesis

(1R,2S,3S,4R)-1-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)hexane-1,2,3,4,6-pentaol

CAT No. CS-O-41444
CAS No. -
Category Impurity
Parent API Empagliflozin
Formula C23H29ClO7
Mol. Wt. 452.16
(1R,2S,5R)-2-Isopropyl-5-methylcyclohexanecarboxylic acid chemical structure
Custom Synthesis

(1R,2S,5R)-2-Isopropyl-5-methylcyclohexanecarboxylic acid

CAT No. CS-DV-00049
CAS No. 16052-40-7
Category Impurity
Parent API
Formula -
Mol. Wt.
(1R,2S,5R)-tert-Butyl Edoxaban chemical structure
Custom Synthesis

(1R,2S,5R)-tert-Butyl Edoxaban

CAT No. CS-O-59238
CAS No. 2024614-32-0
Category Impurity
Parent API Edoxaban
Formula C21H30ClN5O5
Mol. Wt. 467.95
(1R,3R,5R)-2-Azabicyclo[3.1.0]hexane-3-carboxamide 2,2,2- trifluoroacetate chemical structure
Custom Synthesis

(1R,3R,5R)-2-Azabicyclo[3.1.0]hexane-3-carboxamide 2,2,2- trifluoroacetate

CAT No. CS-O-33888
CAS No. 1133811-50-3
Category Impurity
Parent API
Formula C8H11F3N2O3
Mol. Wt. 240.18
(1R,3r,5R,7S)-3-((S)-1-((tert-butoxycarbonyl)amino)-2-((1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-2-oxoethyl)adamantan-1-yl-2,2,2-trifluoroacetate chemical structure
Custom Synthesis

(1R,3r,5R,7S)-3-((S)-1-((tert-butoxycarbonyl)amino)-2-((1S,3S,5S)-3-cyano-2-azabicyclo[3.1.0]hexan-2-yl)-2-oxoethyl)adamantan-1-yl-2,2,2-trifluoroacetate

CAT No. CS-O-40868
CAS No. -
Category Impurity
Parent API Saxagliptin
Formula C25H32F3N3O5
Mol. Wt. 511.53
(1R,3r,5S)-3-((2,3-dihydroxy-2-phenylpropanoyl)oxy)-8-methyl-8-azabicyclo[3.2.1]octane 8-oxide chemical structure
Custom Synthesis

(1R,3r,5S)-3-((2,3-dihydroxy-2-phenylpropanoyl)oxy)-8-methyl-8-azabicyclo[3.2.1]octane 8-oxide

CAT No. CS-O-62122
CAS No. 17488-51-6
Category Impurity
Parent API Scopolamine
Formula C17H23NO5
Mol. Wt. 321.37
(1R,3S)-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylic acid chemical structure
Custom Synthesis

(1R,3S)-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylic acid

CAT No. CS-O-16342
CAS No. 61914-48-5
Category Impurity
Parent API
Formula -
Mol. Wt.
(1R,3S)-Solifenacin Hydrochloride chemical structure
Custom Synthesis

(1R,3S)-Solifenacin Hydrochloride

CAT No. CS-T-61384
CAS No. 180468-40-0
Category Impurity
Parent API Solifenacin
Formula -
Mol. Wt.
(1R,3S,4R)-ent-Entecavir chemical structure
Custom Synthesis

(1R,3S,4R)-ent-Entecavir

CAT No. CS-ED-42189
CAS No. 1367369-81-0
Category Impurity
Parent API Entecavir
Formula C12H15N5O3
Mol. Wt. 277.28
(1R,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,6-diol chemical structure
Custom Synthesis

(1R,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,6-diol

CAT No. CS-O-43306
CAS No. 2095343-25-0
Category Impurity
Parent API Phenylephrine
Formula C16H17NO2
Mol. Wt. 255.31

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