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 16705-16728 of 27575 products
All In Stock Custom Synthesis
ethyl 2-(((3aR,4S,6R,6aS)-6-amino-2,2-dimethyltetrahydro-4H-cyclopenta[d][1,3]dioxol-4-yl)oxy)acetat chemical structure
Custom Synthesis

ethyl 2-(((3aR,4S,6R,6aS)-6-amino-2,2-dimethyltetrahydro-4H-cyclopenta[d][1,3]dioxol-4-yl)oxy)acetat

CAT No. CS-O-34939
CAS No. 1265919-24-1
Category Impurity
Parent API Ticagrelor
Formula C12H21NO5
Mol. Wt. 259.3 g/mol
Ethyl 2-(((4-(ethoxycarbonyl)phenyl)amino)methyl)-1-methyl-1H-benzo[d]imidazole-5-carboxylate chemical structure
Custom Synthesis

Ethyl 2-(((4-(ethoxycarbonyl)phenyl)amino)methyl)-1-methyl-1H-benzo[d]imidazole-5-carboxylate

CAT No. CS-O-59208
CAS No. 1422435-35-5
Category Impurity
Parent API Dabigatran
Formula C21H23N3O4
Mol. Wt. 381.43
Ethyl 2-(2-[(E)-2-Phenyl-1-ethenyl]-6-quinolyloxy-8-p-toluenesulfonamido)acetate chemical structure
Custom Synthesis

Ethyl 2-(2-[(E)-2-Phenyl-1-ethenyl]-6-quinolyloxy-8-p-toluenesulfonamido)acetate

CAT No. CS-T-23085
CAS No. 316124-89-7
Category Impurity
Parent API
Formula -
Mol. Wt.
Ethyl 2-(2-oxopyrrolidin-1-yl) butanoyl carbonate chemical structure
Custom Synthesis

Ethyl 2-(2-oxopyrrolidin-1-yl) butanoyl carbonate

CAT No. CS-O-36553
CAS No. -
Category Impurity
Parent API Loratadine
Formula C11H17NO5
Mol. Wt. 243.26
Ethyl 2-(3,5-dichlorophenyl)-6-benzoxazolecarboxylate chemical structure
Custom Synthesis

Ethyl 2-(3,5-dichlorophenyl)-6-benzoxazolecarboxylate

CAT No. CS-O-59771
CAS No. 2395012-64-1
Category Impurity
Parent API Tafamidis
Formula C16H11Cl2NO3
Mol. Wt. 336.17
Ethyl 2-(3-formyl-2-hydroxyphenyl)-4-methylthiazole-5-carboxylate chemical structure
Custom Synthesis

Ethyl 2-(3-formyl-2-hydroxyphenyl)-4-methylthiazole-5-carboxylate

CAT No. CS-O-47911
CAS No. -
Category Impurity
Parent API Febuxostat
Formula C14H13NO4S
Mol. Wt. 291.32
Ethyl 2-(6-Amino-2,3-dichlorobenzyl)glycine-13C2(Anagrelide Impurity A) chemical structure
Custom Synthesis

Ethyl 2-(6-Amino-2,3-dichlorobenzyl)glycine-13C2(Anagrelide Impurity A)

CAT No. CS-T-100338
CAS No. 1286968-94-2
Category Impurity
Parent API
Formula C913C2H14Cl2N2O2
Mol. Wt. 279.13
Ethyl 2-(morpholin-3-yl)acetate hydrochloride chemical structure
Custom Synthesis

Ethyl 2-(morpholin-3-yl)acetate hydrochloride

CAT No. CS-BF-00564
CAS No. 761460-01-9
Category Impurity
Parent API
Formula -
Mol. Wt.
Ethyl 2,2-dichloro-3-oxobutanoate chemical structure
Custom Synthesis

Ethyl 2,2-dichloro-3-oxobutanoate

CAT No. CS-O-40974
CAS No. 6134-66-3
Category Impurity
Parent API Febuxostat
Formula C6H8Cl2O3
Mol. Wt. 199
Ethyl 2-[(tert-butoxycarbonyl)amino]-1,3-thiazole-4-carboxylate chemical structure
Custom Synthesis

Ethyl 2-[(tert-butoxycarbonyl)amino]-1,3-thiazole-4-carboxylate

CAT No. CS-M-28610
CAS No. 302964-01-8
Category Impurity
Parent API
Formula -
Mol. Wt.
Ethyl 2-[2-(Dipropylamino)ethyl]-6-nitrophenyl Pyruvate chemical structure
Custom Synthesis

Ethyl 2-[2-(Dipropylamino)ethyl]-6-nitrophenyl Pyruvate

CAT No. CS-T-77859
CAS No. 91374-24-2
Category Impurity
Parent API Ropinirole
Formula C19H28N2O5
Mol. Wt. 364.4
ethyl 2-amino-3,4-bis(2-methoxyethoxy)benzoate hydrochloride chemical structure
Custom Synthesis

ethyl 2-amino-3,4-bis(2-methoxyethoxy)benzoate hydrochloride

CAT No. CS-O-32589
CAS No. -
Category Impurity
Parent API
Formula C15H24ClNO6
Mol. Wt. 349.81
ethyl 2-chloro-2-(2-(4-chlorophenyl)hydrazineylidene)acetate chemical structure
Custom Synthesis

ethyl 2-chloro-2-(2-(4-chlorophenyl)hydrazineylidene)acetate

CAT No. CS-T-95936
CAS No. 27143-09-5
Category Impurity
Parent API -
Formula C10H10Cl2N2O2
Mol. Wt. 261.1
Ethyl 2-chloro-2-[2-(2-methoxyphenyl)hydrazin-1-ylidene]acetate chemical structure
Custom Synthesis

Ethyl 2-chloro-2-[2-(2-methoxyphenyl)hydrazin-1-ylidene]acetate

CAT No. CS-O-46150
CAS No. 85014-68-2
Category Impurity
Parent API Apixaban
Formula C11H13ClN2O3
Mol. Wt. 256.69
Ethyl 2-chloroacetoacetate chemical structure
Custom Synthesis

Ethyl 2-chloroacetoacetate

CAT No. CS-CG-00174
CAS No. 609-15-4
Category Impurity
Parent API Febuxostat
Formula C6H9ClO3
Mol. Wt. 164.6
Ethyl 2-hexyl-4,6-dihydroxybenzoate chemical structure
Custom Synthesis

Ethyl 2-hexyl-4,6-dihydroxybenzoate

CAT No. CS-O-59073
CAS No. 34993-70-9
Category Impurity
Parent API Cannabidiol
Formula C15H22O4
Mol. Wt. 266.33
ethyl 2-hydroxy-4-methylpentanoate chemical structure
Custom Synthesis

ethyl 2-hydroxy-4-methylpentanoate

CAT No. CS-DE-01503
CAS No. 10348-47-7
Category Impurity
Parent API Pregabalin
Formula C8H16O3
Mol. Wt. 160.21
Ethyl 2-morpholin-4-ylpropanoate chemical structure
Custom Synthesis

Ethyl 2-morpholin-4-ylpropanoate

CAT No. CS-M-25645
CAS No. 32418-62-5
Category Impurity
Parent API
Formula -
Mol. Wt.
Ethyl 2-oxocyclopentanecarboxylate chemical structure
Custom Synthesis

Ethyl 2-oxocyclopentanecarboxylate

CAT No. CS-M-25998
CAS No. 611-10-9
Category Impurity
Parent API
Formula C8H12O3
Mol. Wt. 156.18
Ethyl 2-pentenoate chemical structure
Custom Synthesis

Ethyl 2-pentenoate

CAT No. CS-O-54950
CAS No. 2445-93-4
Category Impurity
Parent API -
Formula C7H12O2
Mol. Wt. 128.17
ethyl 3-(1-methyl-2-(((4-(N-(((3-methylpentyl)oxy)carbonyl)carbamimidoyl)phenyl)amino)methyl)-N-(pyr chemical structure
Custom Synthesis

ethyl 3-(1-methyl-2-(((4-(N-(((3-methylpentyl)oxy)carbonyl)carbamimidoyl)phenyl)amino)methyl)-N-(pyr

CAT No. CS-O-33184
CAS No. 2225986-94-5
Category Impurity
Parent API
Formula C34H41N7O5
Mol. Wt. 627.73
Ethyl 3-(1-Methyl-2-oxo-N-(pyridin-2-yl)-2,3-dihydro-1H-benzo[d]imidazole-5-carboxamido)propanoate chemical structure
Custom Synthesis

Ethyl 3-(1-Methyl-2-oxo-N-(pyridin-2-yl)-2,3-dihydro-1H-benzo[d]imidazole-5-carboxamido)propanoate

CAT No. CS-T-77524
CAS No. 1642853-67-5
Category Impurity
Parent API Dabigatran
Formula C19H20N4O4
Mol. Wt. 368.4
ethyl 3-(2-(((4-(((hexyloxy)carbonyl)carbamoyl)phenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-ben chemical structure
Custom Synthesis

ethyl 3-(2-(((4-(((hexyloxy)carbonyl)carbamoyl)phenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-ben

CAT No. CS-O-37283
CAS No. -
Category Impurity
Parent API Dabigatran
Formula C35H44N6O9S
Mol. Wt. 724.82
ethyl 3-(2-(((4-(N-((hexan-2-yloxy)carbonyl)carbamimidoyl)phenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoate chemical structure
Custom Synthesis

ethyl 3-(2-(((4-(N-((hexan-2-yloxy)carbonyl)carbamimidoyl)phenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoate

CAT No. CS-O-40513
CAS No. 2225986-95-6
Category Impurity
Parent API Dabigatran
Formula C34H41N7O5
Mol. Wt. 627.7

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.