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Categories / Impurity

Impurity Products

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

Showing 6241-6264 of 27541 products
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(4-Fluorophenyl)(4-phenylpiperazin-1-yl)-acetic acid hydrobromide chemical structure
Custom Synthesis

(4-Fluorophenyl)(4-phenylpiperazin-1-yl)-acetic acid hydrobromide

CAT No. CS-M-25708
CAS No. 1063629-72-0
Category Impurity
Parent API
Formula -
Mol. Wt.
(4H-1,2,4-Triazol-3-ylsulfanyl)acetic acid chemical structure
Custom Synthesis

(4H-1,2,4-Triazol-3-ylsulfanyl)acetic acid

CAT No. CS-M-06499
CAS No. 24127-58-0
Category Impurity
Parent API
Formula -
Mol. Wt.
(4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carbonyl)-L-serine chemical structure
Custom Synthesis

(4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carbonyl)-L-serine

CAT No. CS-O-54974
CAS No.
Category Impurity
Parent API -
Formula C20H18N2O6
Mol. Wt. 382.37
(4-Hydroxy-2,6-dimethyl-pyrimidin-5-yl)-acetic acid chemical structure
Custom Synthesis

(4-Hydroxy-2,6-dimethyl-pyrimidin-5-yl)-acetic acid

CAT No. CS-M-11276
CAS No. 5536-40-3
Category Impurity
Parent API
Formula -
Mol. Wt.
(4-hydroxy-4-phenyl-5-(piperidin-1-ylmethyl)cyclohexane-1,3-diyl)bis(phenylmethanone) chemical structure
Custom Synthesis

(4-hydroxy-4-phenyl-5-(piperidin-1-ylmethyl)cyclohexane-1,3-diyl)bis(phenylmethanone)

CAT No. CS-O-49753
CAS No. -
Category Impurity
Parent API Pridinol
Formula C32H35NO3
Mol. Wt. 481.63
(4-Hydroxy-5,6-dimethyl-thieno[2,3-d]pyrimidin-2-ylsulfanyl)-acetic acid chemical structure
Custom Synthesis

(4-Hydroxy-5,6-dimethyl-thieno[2,3-d]pyrimidin-2-ylsulfanyl)-acetic acid

CAT No. CS-M-04248
CAS No. 54968-60-4
Category Impurity
Parent API
Formula -
Mol. Wt.
(4-hydroxy-7-phenoxyisoquinoline-3-carbonyl)glycine chemical structure
Custom Synthesis

(4-hydroxy-7-phenoxyisoquinoline-3-carbonyl)glycine

CAT No. CS-ED-01075
CAS No. 708263-68-7
Category Impurity
Parent API Roxadustat
Formula C18H14N2O5
Mol. Wt. 338.3
(4-isopropyl-2,5-dimethoxyphenyl) methanol chemical structure
Custom Synthesis

(4-isopropyl-2,5-dimethoxyphenyl) methanol

CAT No. CS-O-38411
CAS No. 62458-52-0
Category Impurity
Parent API
Formula C12H18O3
Mol. Wt. 210.27
(4-isopropyl-3-methoxyphenyl) methanol chemical structure
Custom Synthesis

(4-isopropyl-3-methoxyphenyl) methanol

CAT No. CS-O-38413
CAS No. 66498-33-7
Category Impurity
Parent API
Formula C11H16O2
Mol. Wt. 180.24
(4-Methoxy-benzenesulfonylamino)-acetic acid chemical structure
Custom Synthesis

(4-Methoxy-benzenesulfonylamino)-acetic acid

CAT No. CS-M-07252
CAS No. 13029-74-8
Category Impurity
Parent API
Formula -
Mol. Wt.
(4-Methoxycarbonylbenzoyl)trifluoroacetone chemical structure
Custom Synthesis

(4-Methoxycarbonylbenzoyl)trifluoroacetone

CAT No. CS-T-32265
CAS No. 1076198-42-9
Category Impurity
Parent API
Formula -
Mol. Wt.
(4-Methoxyphenyl)(p-tolyl)methanone chemical structure
Custom Synthesis

(4-Methoxyphenyl)(p-tolyl)methanone

CAT No. CS-BL-00162
CAS No. 23886-71-7
Category Impurity
Parent API -
Formula C15H14O2
Mol. Wt. 226.27
(4-Methoxypyrimidin-5-yl)boronic Acid chemical structure
Custom Synthesis

(4-Methoxypyrimidin-5-yl)boronic Acid

CAT No. CS-T-32872
CAS No. 909187-37-7
Category Impurity
Parent API
Formula -
Mol. Wt.
(4-Methylbenzo[4,5]imidazo[1,2-b]pyrido[1,2-d][1,2,4]thiadiazin-3-ol) chemical structure
Custom Synthesis

(4-Methylbenzo[4,5]imidazo[1,2-b]pyrido[1,2-d][1,2,4]thiadiazin-3-ol)

CAT No. CS-O-44278
CAS No. 2518281-98-4
Category Impurity
Parent API Lansoprazole
Formula C14H11N3OS
Mol. Wt. 269.3
(4-Methyl-furazan-3-yl)-acetic acid chemical structure
Custom Synthesis

(4-Methyl-furazan-3-yl)-acetic acid

CAT No. CS-M-10592
CAS No. 15323-69-0
Category Impurity
Parent API
Formula -
Mol. Wt.
(4-Morpholinylimino)acetonitrile chemical structure
Custom Synthesis

(4-Morpholinylimino)acetonitrile

CAT No. CS-T-58976
CAS No. 26179-71-5
Category Impurity
Parent API Molsidomine
Formula C6H9N3O
Mol. Wt. 139.2
(4-Nitrophenyl) methanesulfonic acid chemical structure
Custom Synthesis

(4-Nitrophenyl) methanesulfonic acid

CAT No. CS-O-40214
CAS No. 53992-33-9
Category Impurity
Parent API Sumatriptan
Formula C7H7NO5S
Mol. Wt. 217.2
(4-Oxo-1,2,3-benzotriazin-3(4H)-yl)acetic acid chemical structure
Custom Synthesis

(4-Oxo-1,2,3-benzotriazin-3(4H)-yl)acetic acid

CAT No. CS-M-46963
CAS No. 97609-01-3
Category Impurity
Parent API
Formula -
Mol. Wt.
(4-Phenyl-piperidin-1-yl)-acetic acid chemical structure
Custom Synthesis

(4-Phenyl-piperidin-1-yl)-acetic acid

CAT No. CS-M-07331
CAS No. 799266-57-2
Category Impurity
Parent API
Formula -
Mol. Wt.
(4R)-2-oxo-4-propyltetrahydrofuran-3-carboxylic acid chemical structure
Custom Synthesis

(4R)-2-oxo-4-propyltetrahydrofuran-3-carboxylic acid

CAT No. CS-O-44267
CAS No. 2052297-76-2
Category Impurity
Parent API Saxagliptin
Formula C8H12O4
Mol. Wt. 172.18
(4R)-4-[2-(1,1-Dimethylethoxy)-2-oxoethoxy]-L-proline chemical structure
Custom Synthesis

(4R)-4-[2-(1,1-Dimethylethoxy)-2-oxoethoxy]-L-proline

CAT No. CS-O-58110
CAS No. 2173568-86-8
Category Impurity
Parent API Cefalotin
Formula C11H19NO5
Mol. Wt. 245.27
(4R)-4-propylpyrrolidin-2-one chemical structure
Custom Synthesis

(4R)-4-propylpyrrolidin-2-one

CAT No. CS-DV-00210
CAS No. 930123-37-8
Category Impurity
Parent API
Formula -
Mol. Wt.
(4R)-dihydrospectinomycin chemical structure
Custom Synthesis

(4R)-dihydrospectinomycin

CAT No. CS-O-57315
CAS No. 28048-39-7
Category Impurity
Parent API spectinomycin
Formula C14H26N2O7
Mol. Wt. 334.37
(4R)-Etapenem Open-ring methyl ester chemical structure
Custom Synthesis

(4R)-Etapenem Open-ring methyl ester

CAT No. CS-O-48683
CAS No. -
Category Impurity
Parent API Ertapenem
Formula C23H29N3O8S
Mol. Wt. 507.56

Impurity Products at Clearsynth

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

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