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Categories / Impurity

Impurity Products

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

Showing 5473-5496 of 27541 products
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( 2,4,4-TRIMETHYL-1,3-OXAZOLIDIN-2-YL)(3-CHLOROPHENYL)-METHANONE chemical structure
Custom Synthesis

( 2,4,4-TRIMETHYL-1,3-OXAZOLIDIN-2-YL)(3-CHLOROPHENYL)-METHANONE

CAT No. CS-O-41400
CAS No.
Category Impurity
Parent API Bupropion
Formula C13H16ClNO2
Mol. Wt. 253.09
( Z )-2-(2-Aminothiazol-4-yl)-2-carboxymethoxyiminoacetic acid(ATCMA) chemical structure
Custom Synthesis

( Z )-2-(2-Aminothiazol-4-yl)-2-carboxymethoxyiminoacetic acid(ATCMA)

CAT No. CS-O-10670
CAS No. 74440-05-4
Category Impurity
Parent API
Formula -
Mol. Wt.
(-​)​-​(1R,​2R,​5S)​-​NeomenthylAcetate chemical structure
Custom Synthesis

(-​)​-​(1R,​2R,​5S)​-​NeomenthylAcetate

CAT No. CS-O-43141
CAS No. 146502-80-9
Category Impurity
Parent API NeomenthylAcetate
Formula C12H22O2
Mol. Wt. 198.30
(αR)-α-(Iodomethyl)-3,4-dimethoxybenzenemethanol chemical structure
Custom Synthesis

(αR)-α-(Iodomethyl)-3,4-dimethoxybenzenemethanol

CAT No. CS-T-56739
CAS No. 833353-17-6
Category Impurity
Parent API
Formula -
Mol. Wt.
(αR)-α-Methyl-N-[[3-(trifluoromethyl)phenyl]methyl]-1-naphthalenemethanamine Hydrochloride chemical structure
Custom Synthesis

(αR)-α-Methyl-N-[[3-(trifluoromethyl)phenyl]methyl]-1-naphthalenemethanamine Hydrochloride

CAT No. CS-T-58698
CAS No. 1229225-42-6
Category Impurity
Parent API Cinacalcet
Formula C20H18F3N : HCl
Mol. Wt. 329.4 : 36.5
((+)-Epicatechin) chemical structure
Custom Synthesis

((+)-Epicatechin)

CAT No. CS-O-57600
CAS No. 35323-91-2
Category Impurity
Parent API Epicatechin
Formula C15H14O6
Mol. Wt. 290.27
((2R,3R,4R,5R)-3-(benzoyloxy)-4-chloro-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-methyltetrahydrofuran-2-yl)methyl benzoate chemical structure
Custom Synthesis

((2R,3R,4R,5R)-3-(benzoyloxy)-4-chloro-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-methyltetrahydrofuran-2-yl)methyl benzoate

CAT No. CS-N-05200
CAS No. 1496551-71-3
Category Impurity
Parent API -
Formula C24H21ClN2O7
Mol. Wt. 484.89
((2R,3S,5R)-3-acetoxy-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl acetate chemical structure
Custom Synthesis

((2R,3S,5R)-3-acetoxy-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl acetate

CAT No. CS-O-39574
CAS No. 6979-97-1
Category Impurity
Parent API Brivudine
Formula C14H18N2O7
Mol. Wt. 326.3
((2R,4S)-5-([1,1'-biphenyl]-4-yl)-2-methyl-4-nitropentanoic acid) chemical structure
Custom Synthesis

((2R,4S)-5-([1,1'-biphenyl]-4-yl)-2-methyl-4-nitropentanoic acid)

CAT No. CS-O-58093
CAS No. 1982356-32-0
Category Impurity
Parent API Sacubitril
Formula C18H19NO4
Mol. Wt. 313.35
((3S,4R)-4-(p-tolyl)piperidin-3-yl)methanol Hydrochloride chemical structure
Custom Synthesis

((3S,4R)-4-(p-tolyl)piperidin-3-yl)methanol Hydrochloride

CAT No. CS-O-59318
CAS No.
Category Impurity
Parent API Paroxetine
Formula C13H20ClNO
Mol. Wt. 241.76
((3S,5R)-5-(2,4-Difluorophenyl)-5-(iodomethyl)tetrahydrofuran-3-yl)methyl Isobutyrate chemical structure
Custom Synthesis

((3S,5R)-5-(2,4-Difluorophenyl)-5-(iodomethyl)tetrahydrofuran-3-yl)methyl Isobutyrate

CAT No. CS-O-39721
CAS No. 1042398-26-4
Category Impurity
Parent API Posaconazole
Formula C16H19F2IO3
Mol. Wt. 424.2
((4-(4-hydroxy-3-isopropylbenzyl)-3,5-dimethylphenoxy)methyl)phosphonic acid chemical structure
Custom Synthesis

((4-(4-hydroxy-3-isopropylbenzyl)-3,5-dimethylphenoxy)methyl)phosphonic acid

CAT No. CS-O-51972
CAS No. 852947-39-8
Category Impurity
Parent API .
Formula C19H25O5P
Mol. Wt. 364.37
((4-Methoxyphenyl){2-[(4-methylpiperazin-1-yl)-amino]-2-oxoethyl}amino)acetic acid chemical structure
Custom Synthesis

((4-Methoxyphenyl){2-[(4-methylpiperazin-1-yl)-amino]-2-oxoethyl}amino)acetic acid

CAT No. CS-M-27382
CAS No. 1142216-14-5
Category Impurity
Parent API
Formula -
Mol. Wt.
((4-Methoxyphenyl){2-[4-(4-methylphenyl)piperazin-1-yl]-2-oxoethyl}amino)acetic acid chemical structure
Custom Synthesis

((4-Methoxyphenyl){2-[4-(4-methylphenyl)piperazin-1-yl]-2-oxoethyl}amino)acetic acid

CAT No. CS-M-27455
CAS No. 1142205-51-3
Category Impurity
Parent API
Formula -
Mol. Wt.
((4-Methoxyphenyl){2-[4-(4-nitrophenyl)piperazin-1-yl]-2-oxoethyl}amino)acetic acid chemical structure
Custom Synthesis

((4-Methoxyphenyl){2-[4-(4-nitrophenyl)piperazin-1-yl]-2-oxoethyl}amino)acetic acid

CAT No. CS-M-27458
CAS No. 1142205-55-7
Category Impurity
Parent API
Formula -
Mol. Wt.
((4-Methoxyphenyl){2-oxo-2-[(2-phenylethyl)amino]-ethyl}amino)acetic acid chemical structure
Custom Synthesis

((4-Methoxyphenyl){2-oxo-2-[(2-phenylethyl)amino]-ethyl}amino)acetic acid

CAT No. CS-M-27388
CAS No. 1142204-32-7
Category Impurity
Parent API
Formula -
Mol. Wt.
((4-Methoxyphenyl){2-oxo-2-[(2-pyridin-2-ylethyl)-amino]ethyl}amino)acetic acid chemical structure
Custom Synthesis

((4-Methoxyphenyl){2-oxo-2-[(2-pyridin-2-ylethyl)-amino]ethyl}amino)acetic acid

CAT No. CS-M-27374
CAS No. 1142215-84-6
Category Impurity
Parent API
Formula -
Mol. Wt.
((4-Methoxyphenyl){2-oxo-2-[(2-thienylmethyl)-amino]ethyl}amino)acetic acid chemical structure
Custom Synthesis

((4-Methoxyphenyl){2-oxo-2-[(2-thienylmethyl)-amino]ethyl}amino)acetic acid

CAT No. CS-M-27401
CAS No. 1142204-54-3
Category Impurity
Parent API
Formula -
Mol. Wt.
((4-Methoxyphenyl){2-oxo-2-[(pyridin-3-ylmethyl)-amino]ethyl}amino)acetic acid chemical structure
Custom Synthesis

((4-Methoxyphenyl){2-oxo-2-[(pyridin-3-ylmethyl)-amino]ethyl}amino)acetic acid

CAT No. CS-M-27378
CAS No. 1142215-99-3
Category Impurity
Parent API
Formula -
Mol. Wt.
((4-Methoxyphenyl){2-oxo-2-[(tetrahydrofuran-2-ylmethyl)amino]ethyl}amino)acetic acid chemical structure
Custom Synthesis

((4-Methoxyphenyl){2-oxo-2-[(tetrahydrofuran-2-ylmethyl)amino]ethyl}amino)acetic acid

CAT No. CS-M-27369
CAS No. 1142215-62-0
Category Impurity
Parent API
Formula -
Mol. Wt.
((5-Bromo-2-chlorophenyl)(2-hydroxyphenyl)methanone) chemical structure
Custom Synthesis

((5-Bromo-2-chlorophenyl)(2-hydroxyphenyl)methanone)

CAT No. CS-O-58541
CAS No. 2556662-59-8
Category Impurity
Parent API Dapagliflozin
Formula C13H8BrClO2
Mol. Wt. 311.56
((5α,6α)-4,5-epoxymorphinan-3,6-diol) chemical structure
Custom Synthesis

((5α,6α)-4,5-epoxymorphinan-3,6-diol)

CAT No. CS-O-53801
CAS No. 142864-34-4
Category Impurity
Parent API -
Formula C16H19NO3
Mol. Wt. 273.33
((S)-4-(2-chlorophenyl)-1-ethoxy-1-oxobutan-2-yl)-L-alanyl-L-proline chemical structure
Custom Synthesis

((S)-4-(2-chlorophenyl)-1-ethoxy-1-oxobutan-2-yl)-L-alanyl-L-proline

CAT No. CS-O-58632
CAS No. 85918-76-9
Category Impurity
Parent API Enalapril
Formula C20H27ClN2O5
Mol. Wt. 410.89
((S)-4-(4-chlorophenyl)-1-ethoxy-1-oxobutan-2-yl)-L-alanyl-L-proline chemical structure
Custom Synthesis

((S)-4-(4-chlorophenyl)-1-ethoxy-1-oxobutan-2-yl)-L-alanyl-L-proline

CAT No. CS-O-58633
CAS No.
Category Impurity
Parent API Enalapril
Formula C20H27ClN2O5
Mol. Wt. 410.89

Impurity Products at Clearsynth

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

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