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Categories / Impurity

Impurity Products

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

Showing 9505-9528 of 27565 products
All In Stock Custom Synthesis
3β-Hydroxy-4,4,14α-trimethyl-5α-pregn-8-en-20-one chemical structure
Custom Synthesis

3β-Hydroxy-4,4,14α-trimethyl-5α-pregn-8-en-20-one

CAT No. CS-O-51155
CAS No. 5217-14-1
Category Impurity
Parent API Tirucallol
Formula C24H38O2
Mol. Wt. 358.57
3β-Hydroxypregna-5,7-dien-20-one chemical structure
Custom Synthesis

3β-Hydroxypregna-5,7-dien-20-one

CAT No. CS-O-49124
CAS No. 81968-78-7
Category Impurity
Parent API Pregnenolone
Formula C21H30O2
Mol. Wt. 314.47
4- dehydro-oxandrolone chemical structure
Custom Synthesis

4- dehydro-oxandrolone

CAT No. CS-O-41261
CAS No. -
Category Impurity
Parent API Oxandrolone
Formula C19H28O3
Mol. Wt. 304.42
4 EPI TETRACYCLINE TFA salt chemical structure
Custom Synthesis

4 EPI TETRACYCLINE TFA salt

CAT No. CS-O-35949
CAS No. 79-85-6
Category Impurity
Parent API Tetracycline
Formula C24H25F3N2O10
Mol. Wt. 558.46
4- Hydroxy Pridinol chemical structure
Custom Synthesis

4- Hydroxy Pridinol

CAT No. CS-O-54622
CAS No. 897834-14-9
Category Impurity
Parent API Pridinol
Formula C20H25NO2
Mol. Wt. 311.42
4-((2,3-dihydrobenzo[b][1,4]dioxin-6-yl)thio)-2-(piperidin-1-ylmethyl)-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine chemical structure
Custom Synthesis

4-((2,3-dihydrobenzo[b][1,4]dioxin-6-yl)thio)-2-(piperidin-1-ylmethyl)-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine

CAT No. CS-O-38780
CAS No. 732291-01-9
Category Impurity
Parent API -
Formula C23H25N3O2S2
Mol. Wt. 439.59
4-((2R,3S,6S)-6-(4-fluorophenyl)-3-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)phenol chemical structure
Custom Synthesis

4-((2R,3S,6S)-6-(4-fluorophenyl)-3-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)phenol

CAT No. CS-T-102325
CAS No. -
Category Impurity
Parent API Ezetimibe
Formula C18H19FO3
Mol. Wt. 302.35
4-((2R,4R)-4-ethoxypiperidin-2-yl)benzoic acid chemical structure
Custom Synthesis

4-((2R,4R)-4-ethoxypiperidin-2-yl)benzoic acid

CAT No. CS-O-56848
CAS No.
Category Impurity
Parent API Iptacopan
Formula C14H19NO3
Mol. Wt. 249.31
4-((2R,4S)-4-ethoxypiperidin-2-yl)benzoic acid chemical structure
Custom Synthesis

4-((2R,4S)-4-ethoxypiperidin-2-yl)benzoic acid

CAT No. CS-O-56843
CAS No.
Category Impurity
Parent API Iptacopan
Formula C14H19NO3
Mol. Wt. 249.31
4-((2S,4R)-4-ethoxypiperidin-2-yl)benzoic acid chemical structure
Custom Synthesis

4-((2S,4R)-4-ethoxypiperidin-2-yl)benzoic acid

CAT No. CS-O-56845
CAS No.
Category Impurity
Parent API Iptacopan
Formula C14H19NO3
Mol. Wt. 249.31
4-((3,5-dimethylphenoxy)methyl)imidazolidin-2-one chemical structure
Custom Synthesis

4-((3,5-dimethylphenoxy)methyl)imidazolidin-2-one

CAT No. CS-O-35263
CAS No. -
Category Impurity
Parent API Metaxalone
Formula C12H16N2O2
Mol. Wt. 220.27
4-((4,6-Bis(octylthio)-1,3,5-triazin-2-yl)amino)-2,6-di-tert-butylphenol chemical structure
Custom Synthesis

4-((4,6-Bis(octylthio)-1,3,5-triazin-2-yl)amino)-2,6-di-tert-butylphenol

CAT No. CS-MM-10474
CAS No. 991-84-4
Category Impurity
Parent API
Formula C33H56N4OS2
Mol. Wt. 588.97
4-((4-N itrophenoxy)carbonyl)benzoic acid chemical structure
Custom Synthesis

4-((4-N itrophenoxy)carbonyl)benzoic acid

CAT No. CS-BL-00078
CAS No. 3557-99-1
Category Impurity
Parent API Terephthalic acid
Formula C14H9NO6
Mol. Wt. 287.22
4-((5-(4-fluorobenzoyl)-1H-indol-1-yl)methyl)-N-hydroxybenzamide chemical structure
Custom Synthesis

4-((5-(4-fluorobenzoyl)-1H-indol-1-yl)methyl)-N-hydroxybenzamide

CAT No. CS-O-45089
CAS No. 2241643-21-8
Category Impurity
Parent API -
Formula C23H17FN2O3
Mol. Wt. 388.40
4'-((5-(azidomethyl)-2-butyl-4-chloro-1H-imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-carbonitrile chemical structure
Custom Synthesis

4'-((5-(azidomethyl)-2-butyl-4-chloro-1H-imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-carbonitrile

CAT No. CS-O-39714
CAS No. -
Category Impurity
Parent API
Formula -
Mol. Wt. 404.90
4'-((5-(azidomethyl)-2-butyl-4-chloro-1H-imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-carboxamide chemical structure
Custom Synthesis

4'-((5-(azidomethyl)-2-butyl-4-chloro-1H-imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-carboxamide

CAT No. CS-O-40154
CAS No. -
Category Impurity
Parent API AZIDO Impurities
Formula -
Mol. Wt. C22H23ClN6O
4'-((5-(azidomethyl)-2-butyl-4-chloro-1H-imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-carboxylic acid chemical structure
Custom Synthesis

4'-((5-(azidomethyl)-2-butyl-4-chloro-1H-imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-carboxylic acid

CAT No. CS-O-40155
CAS No. -
Category Impurity
Parent API AZIDO Impurities
Formula C22H22ClN5O2
Mol. Wt. 423.90
4'-((5-(azidomethyl)-2-butyl-4-chloro-1H-imidazol-1-yl)methyl)-[1,1'-biphenyl]-3-carbonitrile chemical structure
Custom Synthesis

4'-((5-(azidomethyl)-2-butyl-4-chloro-1H-imidazol-1-yl)methyl)-[1,1'-biphenyl]-3-carbonitrile

CAT No. CS-O-39360
CAS No. -
Category Impurity
Parent API
Formula -
Mol. Wt. 404.90
4-((6-(4-carbamimidoylphenoxy)hexyl)oxy)benzamide chemical structure
Custom Synthesis

4-((6-(4-carbamimidoylphenoxy)hexyl)oxy)benzamide

CAT No. CS-O-33503
CAS No. -
Category Impurity
Parent API
Formula C20H25N3O3
Mol. Wt. 355.43
4-((7-Methyl-1H-indazol-5-yl)methylene)-2-phenyloxazol-5(4H)-one chemical structure
Custom Synthesis

4-((7-Methyl-1H-indazol-5-yl)methylene)-2-phenyloxazol-5(4H)-one

CAT No. CS-O-61308
CAS No. 1414976-16-1
Category Impurity
Parent API Zavegepant
Formula C18H13N3O2
Mol. Wt. 303.32
4-(1-(2,3-dimethylphenyl)ethyl)-1-ethyl-1H-imidazole chemical structure
Custom Synthesis

4-(1-(2,3-dimethylphenyl)ethyl)-1-ethyl-1H-imidazole

CAT No. CS-CY-00066
CAS No.
Category Impurity
Parent API Dexmedetomidine
Formula C15H20N2
Mol. Wt. 228.34
4-(1-(2-Hydroxy-4-(1-hydroxy-2-(methylamino)ethyl)phenoxy)-2-(methylamino)ethyl)benzene-1,2-diol chemical structure
Custom Synthesis

4-(1-(2-Hydroxy-4-(1-hydroxy-2-(methylamino)ethyl)phenoxy)-2-(methylamino)ethyl)benzene-1,2-diol

CAT No. CS-O-39327
CAS No. -
Category Impurity
Parent API Adrenaline
Formula C18H24N2O5
Mol. Wt. 348.39
4-(1-(2-hydroxy-5-(1-hydroxy-2-(methylamino)ethyl)phenoxy)-2-(methylamino)ethyl)benzene-1,2-diol chemical structure
Custom Synthesis

4-(1-(2-hydroxy-5-(1-hydroxy-2-(methylamino)ethyl)phenoxy)-2-(methylamino)ethyl)benzene-1,2-diol

CAT No. CS-O-39326
CAS No. -
Category Impurity
Parent API Adrenaline
Formula C18H24N2O5
Mol. Wt. 348.39
4-(1-(Methoxycarbonyl)cyclopropyl)benzoic Acid chemical structure
Custom Synthesis

4-(1-(Methoxycarbonyl)cyclopropyl)benzoic Acid

CAT No. CS-T-80167
CAS No. 807382-47-4
Category Impurity
Parent API
Formula -
Mol. Wt.

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