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 8353-8376 of 27566 products
All In Stock Custom Synthesis
2-(1-((((1-hydroxyethoxy)carbonyl)amino)methyl)cyclohexyl)acetic 2-(1-((((1-(isobutyryloxy)ethoxy)carbonyl)amino)methyl)cyclohexyl)acetic anhydride chemical structure
Custom Synthesis

2-(1-((((1-hydroxyethoxy)carbonyl)amino)methyl)cyclohexyl)acetic 2-(1-((((1-(isobutyryloxy)ethoxy)carbonyl)amino)methyl)cyclohexyl)acetic anhydride

CAT No. CS-O-58513
CAS No.
Category Impurity
Parent API Gabapentin
Formula C28H46N2O10
Mol. Wt. 570.67
2-(1-((((1R)-1-(3-(2-(((1-(carboxymethyl)cyclopropyl)methyl)thio)-2-(7-chloroquinolin-2-yl)ethyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetic acid chemical structure
Custom Synthesis

2-(1-((((1R)-1-(3-(2-(((1-(carboxymethyl)cyclopropyl)methyl)thio)-2-(7-chloroquinolin-2-yl)ethyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetic acid

CAT No. CS-O-40891
CAS No. -
Category Impurity
Parent API Montelukast
Formula C41H46ClNO5S2
Mol. Wt. 732.39
2-(1-(4-chlorophenyl)-1-phenylethoxy)-1-methylazepane chemical structure
Custom Synthesis

2-(1-(4-chlorophenyl)-1-phenylethoxy)-1-methylazepane

CAT No. CS-O-60458
CAS No.
Category Impurity
Parent API Clemastine
Formula C21H26ClNO
Mol. Wt. 343.89
2-(1-benzyl-1H-pyrazol-4-yl)ethan-1-ol chemical structure
Custom Synthesis

2-(1-benzyl-1H-pyrazol-4-yl)ethan-1-ol

CAT No. CS-O-37912
CAS No. 1518647-75-0
Category Impurity
Parent API
Formula C12H14N2O
Mol. Wt. 202.25
2-(1-chloro-4-hydroxyisoquinoline-3-carboxamido)but-3-ynoic acid chemical structure
Custom Synthesis

2-(1-chloro-4-hydroxyisoquinoline-3-carboxamido)but-3-ynoic acid

CAT No. CS-O-46712
CAS No. -
Category Impurity
Parent API FG-2216
Formula C14H9ClN2O4
Mol. Wt. 304.69
2-(1-chloro-4-hydroxyisoquinoline-3-carboxamido)oxirane-2-carboxylic acid chemical structure
Custom Synthesis

2-(1-chloro-4-hydroxyisoquinoline-3-carboxamido)oxirane-2-carboxylic acid

CAT No. CS-O-46710
CAS No. -
Category Impurity
Parent API FG-2216
Formula C13H9ClN2O5
Mol. Wt. 308.67
2-(1-Ethyl-1H-pyrazol-4-yl)[1,2,4]triazolo[1,5-c]quinazoline chemical structure
Custom Synthesis

2-(1-Ethyl-1H-pyrazol-4-yl)[1,2,4]triazolo[1,5-c]quinazoline

CAT No. CS-O-57102
CAS No. 1005691-67-7
Category Impurity
Parent API quinazoline
Formula C14H12N6
Mol. Wt. 264.29
2-(1H-benzo[d]imidazol-2-yl)-2-(3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl)-2H-benzo[d][1,3]thiazeto[3,2-a]imidazole chemical structure
Custom Synthesis

2-(1H-benzo[d]imidazol-2-yl)-2-(3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl)-2H-benzo[d][1,3]thiazeto[3,2-a]imidazole

CAT No. CS-O-53787
CAS No.
Category Impurity
Parent API -
Formula C23H16F3N5OS
Mol. Wt. 467.47
2-(1H-Indol-5-yl)ethanamine chemical structure
Custom Synthesis

2-(1H-Indol-5-yl)ethanamine

CAT No. CS-EL-26406
CAS No. 21005-60-7
Category Impurity
Parent API
Formula -
Mol. Wt.
2-(1-Methyl-1H-pyrazol-4-yl)[1,2,4]triazolo[1,5-c]quinazoline chemical structure
Custom Synthesis

2-(1-Methyl-1H-pyrazol-4-yl)[1,2,4]triazolo[1,5-c]quinazoline

CAT No. CS-O-57100
CAS No. 1005643-71-9
Category Impurity
Parent API quinazoline
Formula C13H10N6
Mol. Wt. 250.2
2-(1-Methyl-1H-pyrazol-5-yl)[1,2,4]triazolo[1,5-c]quinazoline chemical structure
Custom Synthesis

2-(1-Methyl-1H-pyrazol-5-yl)[1,2,4]triazolo[1,5-c]quinazoline

CAT No. CS-O-57112
CAS No. 1005692-07-8
Category Impurity
Parent API quinazoline
Formula C13H10N6
Mol. Wt. 250.26
2-(2-((5-bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)succinic acid chemical structure
Custom Synthesis

2-(2-((5-bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)succinic acid

CAT No. CS-O-52799
CAS No.
Category Impurity
Parent API -
Formula C15H14BrN5O4
Mol. Wt. 408.21
2-(2-(2-amino-9H-purin-9-yl)ethyl)butane-1,4-diyl diacetate chemical structure
Custom Synthesis

2-(2-(2-amino-9H-purin-9-yl)ethyl)butane-1,4-diyl diacetate

CAT No. CS-O-43187
CAS No. 174155-69-2
Category Impurity
Parent API Famciclovir
Formula C15H21N5O4
Mol. Wt. 335.36
2-(2-(5-(dimethylamino)-N-methylnaphthalene-1-sulfonamido)ethyl)pyridine 1-oxide chemical structure
Custom Synthesis

2-(2-(5-(dimethylamino)-N-methylnaphthalene-1-sulfonamido)ethyl)pyridine 1-oxide

CAT No. CS-O-37531
CAS No. -
Category Impurity
Parent API
Formula C20H23N3O3S
Mol. Wt. 385.48
2-(2-(benzyl(methyl)amino)ethyl) 6-methyl 5-methyl-3'-nitro-3-oxo-1,2,3,6-tetrahydro-[1,1'-biphenyl]-2,6-dicarboxylate chemical structure
Custom Synthesis

2-(2-(benzyl(methyl)amino)ethyl) 6-methyl 5-methyl-3'-nitro-3-oxo-1,2,3,6-tetrahydro-[1,1'-biphenyl]-2,6-dicarboxylate

CAT No. CS-O-40135
CAS No. -
Category Impurity
Parent API
Formula C26H28N2O7
Mol. Wt. 480.51
2-(2-(bromomethyl)phenyl)propanoic acid chemical structure
Custom Synthesis

2-(2-(bromomethyl)phenyl)propanoic acid

CAT No. CS-O-44529
CAS No. -
Category Impurity
Parent API Loxoprofen
Formula C10H11BrO2
Mol. Wt. 243.1
2-(2,2-dibromopropanamido)acetic acid chemical structure
Custom Synthesis

2-(2,2-dibromopropanamido)acetic acid

CAT No. CS-O-36009
CAS No. -
Category Impurity
Parent API
Formula -
Mol. Wt. 288.92
2-(2,3-Dichloro-4-(2-methylene-1-oxobutyl) phenoxy) acetic acid ethyl ester chemical structure
Custom Synthesis

2-(2,3-Dichloro-4-(2-methylene-1-oxobutyl) phenoxy) acetic acid ethyl ester

CAT No. CS-O-39024
CAS No. -
Category Impurity
Parent API
Formula -
Mol. Wt. 331.19
2-(2,3-dinitrophenyl)ethan-1-amine hydrochloride chemical structure
Custom Synthesis

2-(2,3-dinitrophenyl)ethan-1-amine hydrochloride

CAT No. CS-O-56730
CAS No.
Category Impurity
Parent API Mirabegron
Formula C8H10ClN3O4
Mol. Wt. 247.64
2-(2,4-Difluoro-phenyl)-2-morpholin-4-yl-ethylamine hydrochloride chemical structure
Custom Synthesis

2-(2,4-Difluoro-phenyl)-2-morpholin-4-yl-ethylamine hydrochloride

CAT No. CS-M-23473
CAS No. 1185293-74-6
Category Impurity
Parent API
Formula -
Mol. Wt.
2-(2,4-Difluorophenyl)-2-propen-1-ol chemical structure
Custom Synthesis

2-(2,4-Difluorophenyl)-2-propen-1-ol

CAT No. CS-T-52848
CAS No. 141113-36-2
Category Impurity
Parent API Posaconazole
Formula C9H8F2O
Mol. Wt. 170.2
2-(2,5-Dimethoxyphenyl)-N-(2-methoxybenzyl)ethanamine Hydrochloride chemical structure
Custom Synthesis

2-(2,5-Dimethoxyphenyl)-N-(2-methoxybenzyl)ethanamine Hydrochloride

CAT No. CS-T-53509
CAS No. 1566571-52-5
Category Impurity
Parent API
Formula -
Mol. Wt.
2-(2,5-dinitrophenyl)ethan-1-amine hydrochloride chemical structure
Custom Synthesis

2-(2,5-dinitrophenyl)ethan-1-amine hydrochloride

CAT No. CS-O-56725
CAS No.
Category Impurity
Parent API Mirabegron
Formula C8H10ClN3O4
Mol. Wt. 247.64
2-(2-Boc-aminoethoxy)ethanol chemical structure
Custom Synthesis

2-(2-Boc-aminoethoxy)ethanol

CAT No. CS-T-07399
CAS No. 139115-91-6
Category Impurity
Parent API
Formula -
Mol. Wt.

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.