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Categories / Impurity

Impurity Products

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

Showing 6481-6504 of 27549 products
All In Stock Custom Synthesis
(E)-7-(2-cyclopropyl-4-(4-fluorophenyl)quinolin-3-yl)-3-hydroxy-5-oxohept-6-enoic acid chemical structure
Custom Synthesis

(E)-7-(2-cyclopropyl-4-(4-fluorophenyl)quinolin-3-yl)-3-hydroxy-5-oxohept-6-enoic acid

CAT No. CS-O-58833
CAS No. 1809100-36-4
Category Impurity
Parent API pitavastatin
Formula C25H22FNO4
Mol. Wt. 419.45
(E)-7-Hydroxy-3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonic Acid chemical structure
Custom Synthesis

(E)-7-Hydroxy-3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonic Acid

CAT No. CS-O-59162
CAS No.
Category Impurity
Parent API Indigotindisulfonate
Formula C16H10N2O9S2
Mol. Wt. 438.38
(E)-Ajoene chemical structure
Custom Synthesis

(E)-Ajoene

CAT No. CS-P-00536
CAS No. 92284-99-6
Category Impurity
Parent API
Formula -
Mol. Wt.
(E)-Cefdinir chemical structure
Custom Synthesis

(E)-Cefdinir

CAT No. CS-T-10734
CAS No. 178601-88-2
Category Impurity
Parent API Cefdinir
Formula C14H13N5O5S2
Mol. Wt. 395.41
(E)-Ceftibuten Dihydrate chemical structure
Custom Synthesis

(E)-Ceftibuten Dihydrate

CAT No. CS-T-70565
CAS No. 1428117-81-0
Category Impurity
Parent API Ceftibuten
Formula C15H14N4O6S2 : 2(H2O)
Mol. Wt. 410.4 : 2(18.0)
(E)-Ceftiofur chemical structure
Custom Synthesis

(E)-Ceftiofur

CAT No. CS-T-71062
CAS No. 120882-20-4
Category Impurity
Parent API Ceftiofur
Formula C19H17N5O7S3
Mol. Wt. 523.6
(E)-decyl 4-((2S,3R,4R,5S)-3,4-dihydroxy-5-(((2S,3S)-3-((2S,3S)-3-hydroxybutan-2-yl)oxiran-2-yl)meth chemical structure
Custom Synthesis

(E)-decyl 4-((2S,3R,4R,5S)-3,4-dihydroxy-5-(((2S,3S)-3-((2S,3S)-3-hydroxybutan-2-yl)oxiran-2-yl)meth

CAT No. CS-T-93600
CAS No. 153900-96-0
Category Impurity
Parent API Mucirocin
Formula C27H48O7
Mol. Wt. 484.67
(E)-Doxepin Hydrochloride chemical structure
Custom Synthesis

(E)-Doxepin Hydrochloride

CAT No. CS-T-21353
CAS No. 4698-39-9
Category Impurity
Parent API Doxepin
Formula -
Mol. Wt.
(E)-Ethyl 2-cyano-5-methylhex-2-enoate chemical structure
Custom Synthesis

(E)-Ethyl 2-cyano-5-methylhex-2-enoate

CAT No. CS-T-93486
CAS No. 103011-96-7
Category Impurity
Parent API
Formula C10H15NO2
Mol. Wt. 181.23
(E)-Ethyl 4-Bromo-3-methyl-2-butenoate chemical structure
Custom Synthesis

(E)-Ethyl 4-Bromo-3-methyl-2-butenoate

CAT No. CS-T-22551
CAS No. 51318-62-8
Category Impurity
Parent API Isotretinoin
Formula C7H11BrO2
Mol. Wt. 207.1
(E)-ethyl 4-methylpent-2-enoate chemical structure
Custom Synthesis

(E)-ethyl 4-methylpent-2-enoate

CAT No. CS-T-94637
CAS No. 15790-86-0
Category Impurity
Parent API Pregabalin
Formula C8H14O2
Mol. Wt. 142.20
(E)-Ethyl 5-(benzyloxy)-6-bromo-1-methyl-2-(2-(phenylthio)vinyl)-1H-indole-3-carboxylate chemical structure
Custom Synthesis

(E)-Ethyl 5-(benzyloxy)-6-bromo-1-methyl-2-(2-(phenylthio)vinyl)-1H-indole-3-carboxylate

CAT No. CS-MM-66511
CAS No. 1704066-47-6
Category Impurity
Parent API
Formula -
Mol. Wt. 522.47
(E)-Ethyl 5-(benzyloxy)-6-bromo-2-(3-ethoxy-3-oxoprop-1-en-1-yl)-1-methyl-1H-indole-3-carboxylate chemical structure
Custom Synthesis

(E)-Ethyl 5-(benzyloxy)-6-bromo-2-(3-ethoxy-3-oxoprop-1-en-1-yl)-1-methyl-1H-indole-3-carboxylate

CAT No. CS-MM-66510
CAS No. 1704066-46-5
Category Impurity
Parent API
Formula -
Mol. Wt. 486.37
(E)-Hexa-3,5-dienoic acid chemical structure
Custom Synthesis

(E)-Hexa-3,5-dienoic acid

CAT No. CS-O-47162
CAS No. 32775-95-4
Category Impurity
Parent API lipoic acid
Formula C6H8O2
Mol. Wt. 112.13
(E)-Isopropyl 3-Cyclopentylacrylate chemical structure
Custom Synthesis

(E)-Isopropyl 3-Cyclopentylacrylate

CAT No. CS-O-64413
CAS No. -
Category Impurity
Parent API Ruxolitinib
Formula C11H18O2
Mol. Wt. 182.26
(E)-methyl 2-((dimethylamino)methylene) -4-methoxy-3-oxobutanoate chemical structure
Custom Synthesis

(E)-methyl 2-((dimethylamino)methylene) -4-methoxy-3-oxobutanoate

CAT No. CS-O-39488
CAS No. -
Category Impurity
Parent API
Formula C9H15NO4
Mol. Wt. 201.22
(E)-methyl 3-((6-(trifluoromethyl)pyridin-2-yl)oxy)-2-(2-(((6-(trifluoromethyl)pyridin-2-yl)oxy)meth chemical structure
Custom Synthesis

(E)-methyl 3-((6-(trifluoromethyl)pyridin-2-yl)oxy)-2-(2-(((6-(trifluoromethyl)pyridin-2-yl)oxy)meth

CAT No. CS-T-93801
CAS No. -
Category Impurity
Parent API Picoxystrobin
Formula C23H16F6N2O4
Mol. Wt. 498.37
(E)-methyl 3-aminobut-2-enoate chemical structure
Custom Synthesis

(E)-methyl 3-aminobut-2-enoate

CAT No. CS-O-41547
CAS No. 80012-11-9
Category Impurity
Parent API -
Formula C5H9NO2
Mol. Wt. 115.13
(E)-Montelukast (3R)-hydroxy propanol chemical structure
Custom Synthesis

(E)-Montelukast (3R)-hydroxy propanol

CAT No. CS-T-51002
CAS No. 150026-75-8
Category Impurity
Parent API Montelukast
Formula C29H28ClNO2
Mol. Wt. 458.00
(E)-N-(2,4-diamino-6-methoxypyrimidin-5-yl)formimidic acid chemical structure
Custom Synthesis

(E)-N-(2,4-diamino-6-methoxypyrimidin-5-yl)formimidic acid

CAT No. CS-EO-01951
CAS No. -
Category Impurity
Parent API Nelerabine
Formula C6H9N5O2
Mol. Wt. 183.08
(E)-N-(2-Chloro-6-methylphenyl)-3-ethoxyacrylamide chemical structure
Custom Synthesis

(E)-N-(2-Chloro-6-methylphenyl)-3-ethoxyacrylamide

CAT No. CS-MM-62344
CAS No. 863127-76-8
Category Impurity
Parent API Dasatinib
Formula C12H14ClNO2
Mol. Wt. 239.7
(E)-N'-(2-cyano-4-nitrophenyl)-N,N-dimethylformimidamide chemical structure
Custom Synthesis

(E)-N'-(2-cyano-4-nitrophenyl)-N,N-dimethylformimidamide

CAT No. CS-O-47265
CAS No. 39263-34-8
Category Impurity
Parent API Tucatinib
Formula C10H10N4O2
Mol. Wt. 218.2
(E)-N-(3-(3-(Dimethylamino)acryloyl)phenyl)-N-ethylacetamide chemical structure
Custom Synthesis

(E)-N-(3-(3-(Dimethylamino)acryloyl)phenyl)-N-ethylacetamide

CAT No. CS-T-19736
CAS No. 1227694-96-3
Category Impurity
Parent API Zaleplon
Formula C15H20N2O2
Mol. Wt. 260.3
(E)-N2,Nw,Nw'-tris(tert-butoxycarbonyl)-L-arginine chemical structure
Custom Synthesis

(E)-N2,Nw,Nw'-tris(tert-butoxycarbonyl)-L-arginine

CAT No. CS-O-44154
CAS No. 2169299-66-3
Category Impurity
Parent API -
Formula C21H38N4O8
Mol. Wt. 474.55

Impurity Products at Clearsynth

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

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