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Categories / Impurity

Impurity Products

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

Showing 15313-15336 of 27603 products
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Diethyl (4-(methylamino)benzoyl)-L-glutamate chemical structure
Custom Synthesis

Diethyl (4-(methylamino)benzoyl)-L-glutamate

CAT No. CS-AC-02696
CAS No. 2378-95-2
Category Impurity
Parent API Methotrexate
Formula C17H24N2O5
Mol. Wt. 336.39
Diethyl (Ethoxycarbonyl)phosphonate chemical structure
Custom Synthesis

Diethyl (Ethoxycarbonyl)phosphonate

CAT No. CS-T-18179
CAS No. 1474-78-8
Category Impurity
Parent API Foscarnet
Formula C7H15O5P
Mol. Wt. 210.2
Diethyl 2-((3-amino-4-(2-chloro-N-methylacetamido)-N-(pyridin-2-yl)benzamido)methyl)-3-((2-(chloromethyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)methyl)succinate chemical structure
Custom Synthesis

Diethyl 2-((3-amino-4-(2-chloro-N-methylacetamido)-N-(pyridin-2-yl)benzamido)methyl)-3-((2-(chloromethyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)methyl)succinate

CAT No. CS-O-57717
CAS No.
Category Impurity
Parent API Dabigatran
Formula C40H42Cl2N8O7
Mol. Wt. 817.72
Diethyl 2-(2-(4-chlorophenyl)allyl)-2-((2-oxo-1,2-dihydroquinolin-4-yl)methyl)malonate chemical structure
Custom Synthesis

Diethyl 2-(2-(4-chlorophenyl)allyl)-2-((2-oxo-1,2-dihydroquinolin-4-yl)methyl)malonate

CAT No. CS-O-52711
CAS No.
Category Impurity
Parent API -
Formula C26H26ClNO5
Mol. Wt. 467.94
Diethyl 2-(3-Methylbutylidene)malonate chemical structure
Custom Synthesis

Diethyl 2-(3-Methylbutylidene)malonate

CAT No. CS-T-95950
CAS No. 51615-30-6
Category Impurity
Parent API Pregabalin
Formula C12H20O4
Mol. Wt. 228.28
Diethyl 2-(6-chloro-9H-carbazol-2-yl)-2-methylpropanedioate chemical structure
Custom Synthesis

Diethyl 2-(6-chloro-9H-carbazol-2-yl)-2-methylpropanedioate

CAT No. CS-ED-00320
CAS No. 71208-55-4
Category Impurity
Parent API Carprofen
Formula C20H20ClNO4
Mol. Wt. 373.8
Diethyl 2,2'-((((6-chloroquinoxaline-2,3-diyl)bis(oxy))bis(4,1-phenylene))bis(oxy))dipropanoate chemical structure
Custom Synthesis

Diethyl 2,2'-((((6-chloroquinoxaline-2,3-diyl)bis(oxy))bis(4,1-phenylene))bis(oxy))dipropanoate

CAT No. CS-TB-21083
CAS No. 113760-13-7
Category Impurity
Parent API Quizalofop
Formula C30H29ClN2O8
Mol. Wt. 581.01
Diethyl 2,7-Diethoxycarbonyl-4-Octenedioate((Mixture)) chemical structure
Custom Synthesis

Diethyl 2,7-Diethoxycarbonyl-4-Octenedioate((Mixture))

CAT No. CS-O-60258
CAS No. 35416-67-2
Category Impurity
Parent API Malonate
Formula C18H28O8
Mol. Wt. 372.41
Diethyl 3,3'-((2,2'-(1-chloro-3,5-dioxohexane-1,2-diyl)bis(1-methyl-1H-benzo[d]imidazole-6,6'-carbonyl))bis(pyridin-2-ylazanediyl))dipropanoate chemical structure
Custom Synthesis

Diethyl 3,3'-((2,2'-(1-chloro-3,5-dioxohexane-1,2-diyl)bis(1-methyl-1H-benzo[d]imidazole-6,6'-carbonyl))bis(pyridin-2-ylazanediyl))dipropanoate

CAT No. CS-O-57719
CAS No.
Category Impurity
Parent API Dabigatran
Formula C44H45ClN8O8
Mol. Wt. 849.33
Diethyl 3,3'-(carbonylbis(cyclohexylazanediyl))bis(3-oxopropanoate) chemical structure
Custom Synthesis

Diethyl 3,3'-(carbonylbis(cyclohexylazanediyl))bis(3-oxopropanoate)

CAT No. CS-O-60391
CAS No.
Category Impurity
Parent API Daprodustat
Formula C23H36N2O7
Mol. Wt. 452.54
Diethyl 3,3'-(pyridin-2-ylazanediyl)dipropionate chemical structure
Custom Synthesis

Diethyl 3,3'-(pyridin-2-ylazanediyl)dipropionate

CAT No. CS-O-59202
CAS No. 5436-02-2
Category Impurity
Parent API Dabigatran
Formula C15H22N2O4
Mol. Wt. 294.35
Diethyl P-(2-cyclopropyl-2-oxoethyl) phosphonate chemical structure
Custom Synthesis

Diethyl P-(2-cyclopropyl-2-oxoethyl) phosphonate

CAT No. CS-O-52137
CAS No. 67257-33-4
Category Impurity
Parent API -
Formula C9H17O4P
Mol. Wt. 220.20
Diethyl Thapsate chemical structure
Custom Synthesis

Diethyl Thapsate

CAT No. CS-O-60252
CAS No. 15786-31-9
Category Impurity
Parent API Thapsic acid
Formula C20H38O4
Mol. Wt. 342.52
Diethyl Trofinetide chemical structure
Custom Synthesis

Diethyl Trofinetide

CAT No. CS-O-58681
CAS No.
Category Impurity
Parent API Trofinetide
Formula C17H29N3O6
Mol. Wt. 371.43
diethyl(4-(N-methyl-4-(methylamino)benzamido)benzoyl)-L-glutamate chemical structure
Custom Synthesis

diethyl(4-(N-methyl-4-(methylamino)benzamido)benzoyl)-L-glutamate

CAT No. CS-O-37768
CAS No. -
Category Impurity
Parent API
Formula C25H31N3O6
Mol. Wt. 469.53
Diethyl-2,2,8,8-tetramethylnonanedioate chemical structure
Custom Synthesis

Diethyl-2,2,8,8-tetramethylnonanedioate

CAT No. CS-O-41479
CAS No.
Category Impurity
Parent API Bempedoic Acid
Formula C17H32O4
Mol. Wt. 300.44
Diethylamino-acetic acid chemical structure
Custom Synthesis

Diethylamino-acetic acid

CAT No. CS-M-08798
CAS No. 1606-01-5
Category Impurity
Parent API
Formula -
Mol. Wt. 131.17
Diethylaminocarboxymethyl POC Tenofovir (Mixture of Diastereomers) chemical structure
Custom Synthesis

Diethylaminocarboxymethyl POC Tenofovir (Mixture of Diastereomers)

CAT No. CS-T-90098
CAS No. 2747976-40-3
Category Impurity
Parent API Tenofovir
Formula C20H33N6O9P
Mol. Wt. 532.48 g/mol
Diethylene Glycol Bisphthalate chemical structure
Custom Synthesis

Diethylene Glycol Bisphthalate

CAT No. CS-T-52802
CAS No. 13988-26-6
Category Impurity
Parent API
Formula C12H12O5
Mol. Wt. 236.2
Diethylenetriaminetriacetic Acid Trifluoroacetamide Tri(tert-butyl Ester) chemical structure
Custom Synthesis

Diethylenetriaminetriacetic Acid Trifluoroacetamide Tri(tert-butyl Ester)

CAT No. CS-T-52800
CAS No. 180152-84-5
Category Impurity
Parent API
Formula -
Mol. Wt.
Diethylstilbestrol (mixture of isomers) chemical structure
Custom Synthesis

Diethylstilbestrol (mixture of isomers)

CAT No. CS-O-46728
CAS No. 6898-97-1
Category Impurity
Parent API diethylstibestrol
Formula C18H20O2
Mol. Wt. 268.35
Difenacoum Impurity 2 chemical structure
Custom Synthesis

Difenacoum Impurity 2

CAT No. CS-EO-03176
CAS No. 110932-42-8
Category Impurity
Parent API Difenacoum
Formula C16H12N2O2
Mol. Wt. 264.3
Difenacoum Impurity 3 chemical structure
Custom Synthesis

Difenacoum Impurity 3

CAT No. CS-EO-03177
CAS No. 944382-45-0
Category Impurity
Parent API Difenacoum
Formula C16H14N2O2
Mol. Wt. 266.3
Difenoconazole-d6 HCl (1,3-dioxolan-4,5,5-d3-4-methyl-d3) (mixture of diastereomers) chemical structure
Custom Synthesis

Difenoconazole-d6 HCl (1,3-dioxolan-4,5,5-d3-4-methyl-d3) (mixture of diastereomers)

CAT No. CS-C-00532
CAS No. 2748435-81-4
Category Impurity
Parent API Difenoconazole
Formula C19H12D6Cl3N3O3
Mol. Wt. 448.76

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