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Categories / Impurity

Impurity Products

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

Showing 16681-16704 of 27575 products
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Ethyl (6bS,10aR)-3-methyl-2,3,6b,9,10,10a-hexahydro-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylate chemical structure
Custom Synthesis

Ethyl (6bS,10aR)-3-methyl-2,3,6b,9,10,10a-hexahydro-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylate

CAT No. CS-OO-00013
CAS No. 2921806-68-8
Category Impurity
Parent API Lumateperone
Formula C17H23N3O2
Mol. Wt. 301.4
ethyl (E)-4-(dimethylamino)but-2-enoate hydrochloride chemical structure
Custom Synthesis

ethyl (E)-4-(dimethylamino)but-2-enoate hydrochloride

CAT No. CS-EO-01465
CAS No. 1255078-56-8
Category Impurity
Parent API Afatinib
Formula C8H16ClNO2
Mol. Wt. 193.67
Ethyl (R)-3,4-dihydroxybutanoate chemical structure
Custom Synthesis

Ethyl (R)-3,4-dihydroxybutanoate

CAT No. CS-O-61080
CAS No. 112635-76-4
Category Impurity
Parent API Rosuvastatin acid
Formula C6H12O4
Mol. Wt. 148.16
Ethyl (S)-3-Piperidinecarboxylate D-Tartrate chemical structure
Custom Synthesis

Ethyl (S)-3-Piperidinecarboxylate D-Tartrate

CAT No. CS-DJ-01155
CAS No. 83602-38-4
Category Impurity
Parent API
Formula -
Mol. Wt.
Ethyl (S)-5-Amino-3,4-dihydro-2H-pyrrole-2-carboxylate Hydrochloride chemical structure
Custom Synthesis

Ethyl (S)-5-Amino-3,4-dihydro-2H-pyrrole-2-carboxylate Hydrochloride

CAT No. CS-O-54835
CAS No. 110971-82-9
Category Impurity
Parent API -
Formula C7H13ClN2O2
Mol. Wt. 192.64
Ethyl (Z)-3-(2-(((4-(N'-(butoxycarbonyl)carbamimidoyl)phenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoate chemical structure
Custom Synthesis

Ethyl (Z)-3-(2-(((4-(N'-(butoxycarbonyl)carbamimidoyl)phenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoate

CAT No. CS-O-40877
CAS No. -
Category Impurity
Parent API Dabigatran
Formula C32H37N7O5
Mol. Wt. 599.69
Ethyl [10-(3-chloropropanoyl)-10H-phenothiazin-2-yl]carbamate chemical structure
Custom Synthesis

Ethyl [10-(3-chloropropanoyl)-10H-phenothiazin-2-yl]carbamate

CAT No. CS-M-48171
CAS No. 34749-22-9
Category Impurity
Parent API
Formula -
Mol. Wt.
Ethyl 1-(2-chloro-2,2-difluoroacetyl)-4-piperidinecarboxylate chemical structure
Custom Synthesis

Ethyl 1-(2-chloro-2,2-difluoroacetyl)-4-piperidinecarboxylate

CAT No. CS-M-33093
CAS No. 454473-81-5
Category Impurity
Parent API
Formula -
Mol. Wt.
Ethyl 1-(cyanomethyl)piperidine-3-carboxylate chemical structure
Custom Synthesis

Ethyl 1-(cyanomethyl)piperidine-3-carboxylate

CAT No. CS-M-25443
CAS No. 946702-02-9
Category Impurity
Parent API
Formula -
Mol. Wt.
Ethyl 1,3-dicyclohexyl-6-((ethoxycarbonyl)oxy)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate chemical structure
Custom Synthesis

Ethyl 1,3-dicyclohexyl-6-((ethoxycarbonyl)oxy)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate

CAT No. CS-O-60395
CAS No.
Category Impurity
Parent API Daprodustat
Formula C22H32N2O7
Mol. Wt. 436.50
Ethyl 1-[1-methyl-2-oxo-2-(2-thienyl)ethyl]-4-piperidinecarboxylate chemical structure
Custom Synthesis

Ethyl 1-[1-methyl-2-oxo-2-(2-thienyl)ethyl]-4-piperidinecarboxylate

CAT No. CS-M-33634
CAS No. 924868-90-6
Category Impurity
Parent API
Formula -
Mol. Wt.
Ethyl 1-[2-(methoxycarbonyl)-4-nitrophenyl]-4-piperidinecarboxylate chemical structure
Custom Synthesis

Ethyl 1-[2-(methoxycarbonyl)-4-nitrophenyl]-4-piperidinecarboxylate

CAT No. CS-M-32675
CAS No. 1232838-31-1
Category Impurity
Parent API
Formula -
Mol. Wt.
Ethyl 10-Bromodecanoate chemical structure
Custom Synthesis

Ethyl 10-Bromodecanoate

CAT No. CS-TB-46815
CAS No. 55099-31-5
Category Impurity
Parent API
Formula C12H23O2Br
Mol. Wt. 279.21 g/mol
Ethyl 1-azidocyclobutane -1-carboxylate chemical structure
Custom Synthesis

Ethyl 1-azidocyclobutane -1-carboxylate

CAT No. CS-O-43226
CAS No. 250780-02-0
Category Impurity
Parent API Apalutamide
Formula C7H11N3O2
Mol. Wt. 169.18
Ethyl 1-benzyl-4-bromo-3-oxopiperidine-4-carboxylate hydrobromide chemical structure
Custom Synthesis

Ethyl 1-benzyl-4-bromo-3-oxopiperidine-4-carboxylate hydrobromide

CAT No. CS-M-52426
CAS No. 1303972-94-2
Category Impurity
Parent API
Formula -
Mol. Wt.
ethyl 1-benzyl-4-ethyl-2,5-dihydro-1H-pyrrole-3-carboxylate chemical structure
Custom Synthesis

ethyl 1-benzyl-4-ethyl-2,5-dihydro-1H-pyrrole-3-carboxylate

CAT No. CS-O-54948
CAS No. 2270173-58-3
Category Impurity
Parent API -
Formula C16H21NO2
Mol. Wt. 259.34
ETHYL 1-BENZYLPIPERIDINE-3-CARBOXYLATE chemical structure
Custom Synthesis

ETHYL 1-BENZYLPIPERIDINE-3-CARBOXYLATE

CAT No. CS-DL-01062
CAS No. 72551-53-2
Category Impurity
Parent API
Formula -
Mol. Wt.
ethyl 1-cyclopropyl-7-fluoro-6,8-dimethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylate chemical structure
Custom Synthesis

ethyl 1-cyclopropyl-7-fluoro-6,8-dimethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylate

CAT No. CS-O-38484
CAS No. 2489671-14-7
Category Impurity
Parent API
Formula C17H18FNO5
Mol. Wt. 335.33
Ethyl 1-ethylpiperidine-4-carboxylate chemical structure
Custom Synthesis

Ethyl 1-ethylpiperidine-4-carboxylate

CAT No. CS-M-47180
CAS No. 24252-38-8
Category Impurity
Parent API
Formula -
Mol. Wt.
Ethyl 1H-indole-2-carboxylate chemical structure
Custom Synthesis

Ethyl 1H-indole-2-carboxylate

CAT No. CS-M-27193
CAS No. 3770-50-1
Category Impurity
Parent API
Formula -
Mol. Wt.
Ethyl 1-methyl-2-oxopyrrolidine-3-carboxylate chemical structure
Custom Synthesis

Ethyl 1-methyl-2-oxopyrrolidine-3-carboxylate

CAT No. CS-O-39758
CAS No. 30932-85-5
Category Impurity
Parent API
Formula C8H13NO3
Mol. Wt. 171.19
Ethyl 1-methyl-7-oxo-4,5,6,7-tetrahydro-1h-indazole-3-carboxylate chemical structure
Custom Synthesis

Ethyl 1-methyl-7-oxo-4,5,6,7-tetrahydro-1h-indazole-3-carboxylate

CAT No. CS-T-77703
CAS No. 802541-13-5
Category Impurity
Parent API
Formula -
Mol. Wt.
Ethyl 1-piperidineglyoxylate chemical structure
Custom Synthesis

Ethyl 1-piperidineglyoxylate

CAT No. CS-H-00307
CAS No. 53074-96-7
Category Impurity
Parent API
Formula -
Mol. Wt.
Ethyl 2-(((2-cyano-[1,1-biphenyl]-4-yl)methyl)amino)-3-nitrobenzoate chemical structure
Custom Synthesis

Ethyl 2-(((2-cyano-[1,1-biphenyl]-4-yl)methyl)amino)-3-nitrobenzoate

CAT No. CS-MM-61884
CAS No. 136285-67-1
Category Impurity
Parent API
Formula C23H19N3O4
Mol. Wt. 401.43

Impurity Products at Clearsynth

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

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