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Categories / Impurity

Impurity Products

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

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Didanosine EP Impurity D chemical structure
Custom Synthesis

Didanosine EP Impurity D

CAT No. CS-T-51988
CAS No. 13146-72-0
Category Impurity
Parent API Didanosine
Formula C10H12N4O4
Mol. Wt. 252.23
Didanosine EP Impurity E chemical structure
Custom Synthesis

Didanosine EP Impurity E

CAT No. CS-T-48238
CAS No. 31766-13-9
Category Impurity
Parent API Didanosine
Formula C10H10N4O4
Mol. Wt. 250.21
Didecylamine chemical structure
Custom Synthesis

Didecylamine

CAT No. CS-T-52716
CAS No. 1120-49-6
Category Impurity
Parent API
Formula -
Mol. Wt.
Didehydro Cortistatin A chemical structure
Custom Synthesis

Didehydro Cortistatin A

CAT No. CS-O-60427
CAS No. 1032315-06-2
Category Impurity
Parent API Cortistatin A
Formula C30H34N2O3
Mol. Wt. 470.61
Didehydrorifabutin chemical structure
Custom Synthesis

Didehydrorifabutin

CAT No. CS-O-40202
CAS No.
Category Impurity
Parent API Rifabutin
Formula -
Mol. Wt.
DiDesbromo Dichloro Macitentan impurity chemical structure
Custom Synthesis

DiDesbromo Dichloro Macitentan impurity

CAT No. CS-O-40902
CAS No. -
Category Impurity
Parent API Macitentan
Formula C19H20Cl2N6O4S
Mol. Wt. 499.37
Di-deschloro Resmetirom impurity chemical structure
Custom Synthesis

Di-deschloro Resmetirom impurity

CAT No. CS-O-56917
CAS No.
Category Impurity
Parent API Resmetirom
Formula C17H14N6O4
Mol. Wt. 366.33
Dideschloroethyl Bendamustine chemical structure
Custom Synthesis

Dideschloroethyl Bendamustine

CAT No. CS-O-07347
CAS No. 914626-62-3
Category Impurity
Parent API Bendamustine
Formula C12H15N3O2
Mol. Wt. 233.27
Di-desfluoro Isavuconazole amide impurity chemical structure
Custom Synthesis

Di-desfluoro Isavuconazole amide impurity

CAT No. CS-O-46783
CAS No. -
Category Impurity
Parent API Isavuconazole
Formula C13H16N4O2
Mol. Wt. 260.29
Didesmethy Dothiepin(Z) Impurity chemical structure
Custom Synthesis

Didesmethy Dothiepin(Z) Impurity

CAT No. CS-O-46692
CAS No. 114431-28-6
Category Impurity
Parent API Dothiepin
Formula C17H17NS
Mol. Wt. 267.39
Didodecyl 3,3'-Thiodipropionate chemical structure
Custom Synthesis

Didodecyl 3,3'-Thiodipropionate

CAT No. CS-T-52753
CAS No. 123-28-4
Category Impurity
Parent API -
Formula C30H58O4S
Mol. Wt. 514.84
Dienogest Diketal impurity chemical structure
Custom Synthesis

Dienogest Diketal impurity

CAT No. CS-O-50615
CAS No. -
Category Impurity
Parent API Dienogest
Formula C22H30O4
Mol. Wt. 358.47
Dienogest EP Impurity E chemical structure
Custom Synthesis

Dienogest EP Impurity E

CAT No. CS-T-53650
CAS No. 10109-76-9
Category Impurity
Parent API Dienogest
Formula C20H28O3
Mol. Wt. 316.4
Dienogest EP Impurity K chemical structure
Custom Synthesis

Dienogest EP Impurity K

CAT No. CS-T-55868
CAS No. 106111-43-7
Category Impurity
Parent API Dienogest
Formula C20H25NO4
Mol. Wt. 343.4
Dienogest Impurity H chemical structure
Custom Synthesis

Dienogest Impurity H

CAT No. CS-P-07707
CAS No. 16669-06-0
Category Impurity
Parent API Dienogest
Formula C20H25NO2
Mol. Wt. 311.4
Diethanolnitramine dinitrate chemical structure
Custom Synthesis

Diethanolnitramine dinitrate

CAT No. CS-O-54389
CAS No. 4185-47-1
Category Impurity
Parent API -
Formula C4H8N4O8
Mol. Wt. 240.13
Diethyl ((S)-4-amino-5-ethoxy-5-oxopentanoyl)-L-glutamate chemical structure
Custom Synthesis

Diethyl ((S)-4-amino-5-ethoxy-5-oxopentanoyl)-L-glutamate

CAT No. CS-EO-02172
CAS No. 884381-72-0
Category Impurity
Parent API Pemetrexed
Formula C16H28N2O7
Mol. Wt. 360.4
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

Impurity Products at Clearsynth

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

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