Recently Viewed 0
Meet Clearsynth at CPHI India 2026 · November 23–25 · Booth 2J10 · IICC, Yashobhoomi, New Delhi View event
My Account Need quick assistance? WhatsApp us +91-22-45045900 sales@clearsynth.com
Categories / Impurity

Impurity Products

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

Showing 7561-7584 of 27558 products
All In Stock Custom Synthesis
1-((3,5-dichloro-4-methylbenzoyl)oxy)-3-methyl-2-oxopentan-3-aminium methanesulfonate chemical structure
Custom Synthesis

1-((3,5-dichloro-4-methylbenzoyl)oxy)-3-methyl-2-oxopentan-3-aminium methanesulfonate

CAT No. CS-O-45158
CAS No. -
Category Impurity
Parent API Zoxamide
Formula C15H21Cl2NO6S
Mol. Wt. 414.3
1-((3R,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H chemical structure
Custom Synthesis

1-((3R,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H

CAT No. CS-O-33876
CAS No. -
Category Impurity
Parent API
Formula C10H13FN2O5
Mol. Wt. 260.22
1-((4-(4-fluorophenyl)piperazin-1-yl)methyl)-5-nitro-1H-indazole chemical structure
Custom Synthesis

1-((4-(4-fluorophenyl)piperazin-1-yl)methyl)-5-nitro-1H-indazole

CAT No. CS-O-38778
CAS No. 727692-55-9
Category Impurity
Parent API
Formula C18H18FN5O2
Mol. Wt. 355.37
1-((4-Aminobenzenemethane)sulfonyl)pyrrolidine chemical structure
Custom Synthesis

1-((4-Aminobenzenemethane)sulfonyl)pyrrolidine

CAT No. CS-T-01913
CAS No. 334981-10-1
Category Impurity
Parent API Almotriptan
Formula C11H16N2O2S
Mol. Wt. 240.3
1-((5-cyano-2-(4-fluorobenzoyl)benzyl)oxy)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carbonitrile chemical structure
Custom Synthesis

1-((5-cyano-2-(4-fluorobenzoyl)benzyl)oxy)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carbonitrile

CAT No. CS-O-37688
CAS No. -
Category Impurity
Parent API
Formula C30H18F2N2O3
Mol. Wt. 492.47
1-(1,1-dimethyl-2-methylene-1H-benzo[e]indol-3(2H)-yl)ethanone chemical structure
Custom Synthesis

1-(1,1-dimethyl-2-methylene-1H-benzo[e]indol-3(2H)-yl)ethanone

CAT No. CS-O-42798
CAS No. -
Category Impurity
Parent API -
Formula C17H17NO
Mol. Wt. 251.32
1-(1,2-Propadien-1-yl)cyclohexanol chemical structure
Custom Synthesis

1-(1,2-Propadien-1-yl)cyclohexanol

CAT No. CS-O-47956
CAS No. 34761-56-3
Category Impurity
Parent API -
Formula C9H14O
Mol. Wt. 138.21
1-(1,3-Dimethyl-1H-pyrazole-4-sulfonyl)-piperidine-4-carboxylic acid chemical structure
Custom Synthesis

1-(1,3-Dimethyl-1H-pyrazole-4-sulfonyl)-piperidine-4-carboxylic acid

CAT No. CS-M-10120
CAS No. 925145-54-6
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(10-chlorodecyl)-4-(octylamino)pyridin-1-ium chloride chemical structure
Custom Synthesis

1-(10-chlorodecyl)-4-(octylamino)pyridin-1-ium chloride

CAT No. CS-O-39532
CAS No. -
Category Impurity
Parent API -
Formula C23H42Cl2N2
Mol. Wt. 417.50
1-(1-Adamantyl)ethylamine chemical structure
Custom Synthesis

1-(1-Adamantyl)ethylamine

CAT No. CS-EO-03312
CAS No. 13392-28-4
Category Impurity
Parent API Amantadine
Formula C12H21N
Mol. Wt. 179.3
1-(1-Ethoxyethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole chemical structure
Custom Synthesis

1-(1-Ethoxyethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

CAT No. CS-M-24044
CAS No. 1029716-44-6
Category Impurity
Parent API Baricitinib
Formula C13H23BN2O3
Mol. Wt. 266.1
1-(1H-Imidazol-4-ylsulfonyl)piperidine-3-carboxylic acid chemical structure
Custom Synthesis

1-(1H-Imidazol-4-ylsulfonyl)piperidine-3-carboxylic acid

CAT No. CS-M-26195
CAS No. 899703-25-4
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(1H-Imidazol-4-ylsulfonyl)piperidine-4-carboxylic acid chemical structure
Custom Synthesis

1-(1H-Imidazol-4-ylsulfonyl)piperidine-4-carboxylic acid

CAT No. CS-M-26194
CAS No. 899717-99-8
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(1-Methyl-1H-pyrazole-4-sulfonyl)-piperidine-3-carboxylic acid chemical structure
Custom Synthesis

1-(1-Methyl-1H-pyrazole-4-sulfonyl)-piperidine-3-carboxylic acid

CAT No. CS-M-22811
CAS No. 123274-72-6
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(1-Methylpiperidin-4-yl)piperazine chemical structure
Custom Synthesis

1-(1-Methylpiperidin-4-yl)piperazine

CAT No. CS-M-25498
CAS No. 23995-88-2
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(2-((3-brome-2,4-dimethylphenyl)thio)phenyl)piperazine hydrobromide chemical structure
Custom Synthesis

1-(2-((3-brome-2,4-dimethylphenyl)thio)phenyl)piperazine hydrobromide

CAT No. CS-O-35987
CAS No. -
Category Impurity
Parent API Vortioxetine
Formula C18H22Br2N2S
Mol. Wt. 458.25
1-(2-(2-(2-ethoxyphenoxy) ethoxy) ethoxy)-2-Ethoxybenzene chemical structure
Custom Synthesis

1-(2-(2-(2-ethoxyphenoxy) ethoxy) ethoxy)-2-Ethoxybenzene

CAT No. CS-O-41350
CAS No. -
Category Impurity
Parent API Tamsulosin
Formula C20H26O5
Mol. Wt. 346.18
1-(2-(3-acetylphenoxy)phenyl)ethan-1-one chemical structure
Custom Synthesis

1-(2-(3-acetylphenoxy)phenyl)ethan-1-one

CAT No. CS-BX-02989
CAS No.
Category Impurity
Parent API Phenylephrine
Formula C16H14O3
Mol. Wt. 254.29
1-(2'-(3'-Chloro-5'-trifluoromethyl)pyridyl)-4-(2,2-dicyanoethane)piperidine dimer chemical structure
Custom Synthesis

1-(2'-(3'-Chloro-5'-trifluoromethyl)pyridyl)-4-(2,2-dicyanoethane)piperidine dimer

CAT No. CS-EL-16845
CAS No. 400085-31-6
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(2,1,3-Benzothiadiazol-4-ylsulfonyl)piperidine-4-carboxylic acid chemical structure
Custom Synthesis

1-(2,1,3-Benzothiadiazol-4-ylsulfonyl)piperidine-4-carboxylic acid

CAT No. CS-M-26180
CAS No. 488090-09-1
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(2,2-Dihydroxyethyl)-5-methoxy-6-(methoxycarbonyl)-4-oxo-1,4-dihydropyridine-3-carboxylic acid chemical structure
Custom Synthesis

1-(2,2-Dihydroxyethyl)-5-methoxy-6-(methoxycarbonyl)-4-oxo-1,4-dihydropyridine-3-carboxylic acid

CAT No. CS-O-60530
CAS No. 1616340-75-0
Category Impurity
Parent API Bictegravir
Formula C11H13NO8
Mol. Wt. 287.22
1-(2,2-dimethyl-1,3-dioxolan-4-yl)-3-ethoxy-2,2-difluoro-3-oxopropyl benzoate chemical structure
Custom Synthesis

1-(2,2-dimethyl-1,3-dioxolan-4-yl)-3-ethoxy-2,2-difluoro-3-oxopropyl benzoate

CAT No. CS-O-39390
CAS No. -
Category Impurity
Parent API
Formula C17H20F2O6
Mol. Wt. 358.33
1-(2,3-Dihydro-1H-inden-2-yl)piperidine-3-carboxylic acid hydrochloride chemical structure
Custom Synthesis

1-(2,3-Dihydro-1H-inden-2-yl)piperidine-3-carboxylic acid hydrochloride

CAT No. CS-M-08279
CAS No. 1185296-65-4
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(pyrrolidin-1-yl)propan-2-one chemical structure
Custom Synthesis

1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(pyrrolidin-1-yl)propan-2-one

CAT No. CS-O-59265
CAS No.
Category Impurity
Parent API Eliglustat
Formula C15H19NO3
Mol. Wt. 261.32

Impurity Products at Clearsynth

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

Browse available compounds above or contact our team for custom synthesis and bulk requirements.

Done
RFQ Basket 0
Quick Enquiry
Tell us what you need
Quote Basket
Selected RFQ Items
Your RFQ basket is empty. Add a product block or copy a guided requirement here.