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Categories / Impurity

Impurity Products

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

Showing 49-72 of 27540 products
All In Stock Custom Synthesis
(2S,3R,4S,5R,6R) 2-methoxy dapagliflozin impurity chemical structure
Custom Synthesis

(2S,3R,4S,5R,6R) 2-methoxy dapagliflozin impurity

CAT No. CS-O-53898
CAS No. Not available-
Category Impurity
Parent API -
Formula C22H27ClO7
Mol. Wt. 438.90
(2S,3S,5S)-5-tert-Butyloxycarbonylamino-2-amino-3-hydroxy-1,6-diphenylhexane succinate chemical structure
In Stock

(2S,3S,5S)-5-tert-Butyloxycarbonylamino-2-amino-3-hydroxy-1,6-diphenylhexane succinate

CAT No. CS-O-30830
CAS No. 183388-64-9
Category Impurity
Parent API Ritonavir
Formula C50H70N4O10
Mol. Wt. 887.11 g/mol
(2S,4S)-tert-butyl 4-hydroxy-2-(thiazolidine-3-carbonyl)pyrrolidine-1-carboxylate chemical structure
In Stock

(2S,4S)-tert-butyl 4-hydroxy-2-(thiazolidine-3-carbonyl)pyrrolidine-1-carboxylate

CAT No. CS-O-34482
CAS No. 401564-34-9
Category Impurity
Parent API teneligliptin
Formula C13H22N2O4S
Mol. Wt. 302.39
(3-Alpha,5-beta,6-alpha)-6-Ethyl-3-hydroxy-7-oxo-cholan-24-oic Acid chemical structure
In Stock

(3-Alpha,5-beta,6-alpha)-6-Ethyl-3-hydroxy-7-oxo-cholan-24-oic Acid

CAT No. CS-DV-02093
CAS No. 915038-26-5
Category Impurity
Parent API Obeticholic Acid
Formula C26H42O4
Mol. Wt. 418.61
(3aR,4S,6R,6aS)-6-amino-2,2-dimethyltetrahydro-3aH-cyclopenta[d]dioxol-4-ol chemical structure
In Stock

(3aR,4S,6R,6aS)-6-amino-2,2-dimethyltetrahydro-3aH-cyclopenta[d]dioxol-4-ol

CAT No. CS-O-03595
CAS No. 155899-66-4
Category Impurity
Parent API Ticagrelor
Formula C8H15NO3
Mol. Wt. 173.21
(3b)-7-Dehydro Cholesterol chemical structure
In Stock

(3b)-7-Dehydro Cholesterol

CAT No. CS-T-51713
CAS No. 434-16-2
Category Impurity
Parent API Cholecalciferol
Formula C27H44O
Mol. Wt. 384.64
(3Beta,17Beta)-Androst-8(14)-ene-3,17-diol chemical structure
Custom Synthesis

(3Beta,17Beta)-Androst-8(14)-ene-3,17-diol

CAT No. CS-O-60363
CAS No. 1081979-25-0
Category Impurity
Parent API Abiraterone
Formula C19H30O2
Mol. Wt. 290.44
(3-bromo-1H-indol-7-yl)(4-bromophenyl)methanone chemical structure
In Stock

(3-bromo-1H-indol-7-yl)(4-bromophenyl)methanone

CAT No. CS-O-14980
CAS No. 1279501-08-4
Category Impurity
Parent API Bromfenac
Formula C15H9Br2NO
Mol. Wt. 379.1
(3-Fluoro-4-morpholin-4-ylphenyl)carbamic acid benzyl ester chemical structure
In Stock

(3-Fluoro-4-morpholin-4-ylphenyl)carbamic acid benzyl ester

CAT No. CS-O-31589
CAS No. 168828-81-7
Category Impurity
Parent API Linezolid
Formula C18H19FN2O3
Mol. Wt. 330.4
(3R,4R,5R)-3,4-Bis(benzyloxy)-5-((benzyloxy)methyl)dihydrofuran-2(3H)-one chemical structure
In Stock

(3R,4R,5R)-3,4-Bis(benzyloxy)-5-((benzyloxy)methyl)dihydrofuran-2(3H)-one

CAT No. CS-DV-00170
CAS No. 55094-52-5
Category Impurity
Parent API Remdesivir
Formula C26H26O5
Mol. Wt. 418.49
(3R,4R,5S)-2-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-5-((R)-1,2-dihydroxyethyl) chemical structure
In Stock

(3R,4R,5S)-2-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-5-((R)-1,2-dihydroxyethyl)

CAT No. CS-O-33293
CAS No. -
Category Impurity
Parent API Empagliflozin
Formula C23H27ClO7
Mol. Wt. 450.91
(3R,4S)-1-t-Boc-3-[(triethylsilyl)oxy]-4-phenyl-2-azetidinone chemical structure
In Stock

(3R,4S)-1-t-Boc-3-[(triethylsilyl)oxy]-4-phenyl-2-azetidinone

CAT No. CS-T-07728
CAS No. 149198-47-0
Category Impurity
Parent API Docetaxel
Formula C20H31NO4Si
Mol. Wt. 377.55
(3R,4S)-Tofacitinib chemical structure
In Stock

(3R,4S)-Tofacitinib

CAT No. CS-T-62103
CAS No. 1092578-46-5
Category Impurity
Parent API Tofacitinib
Formula C16H20N6O
Mol. Wt. 312.37
(3R,5R)-Pitavastatin Calcium chemical structure
In Stock

(3R,5R)-Pitavastatin Calcium

CAT No. CS-O-08005
CAS No. 254452-96-5
Category Impurity
Parent API Pitavastatin
Formula C50H48CaF2N2O8
Mol. Wt. 883.00
(3S)-3-(2-Amino-2-oxoethyl)-5-methylhexanoic Acid chemical structure
In Stock

(3S)-3-(2-Amino-2-oxoethyl)-5-methylhexanoic Acid

CAT No. CS-ED-00352
CAS No. 181289-34-9
Category Impurity
Parent API Pregabalin
Formula C9H17NO3
Mol. Wt. 187.24
(3S)-4-Chloro-3-hydroxybutyronitrile chemical structure
In Stock

(3S)-4-Chloro-3-hydroxybutyronitrile

CAT No. CS-T-11672
CAS No. 127913-44-4
Category Impurity
Parent API Rosuvastatin
Formula C4H6ClNO
Mol. Wt. 119.5
(3S,4R)-Tofacitinib chemical structure
In Stock

(3S,4R)-Tofacitinib

CAT No. CS-T-62105
CAS No. 1092578-48-7
Category Impurity
Parent API Tofacitinib
Formula C16H20N6O
Mol. Wt. 312.37
(3S,4S)-Tofacitinib chemical structure
Custom Synthesis

(3S,4S)-Tofacitinib

CAT No. CS-T-62104
CAS No. 1092578-47-6
Category Impurity
Parent API Tofacitinib
Formula C16H20N6O
Mol. Wt. 312.38
(3S,5R)-Atorvastatin Calcium chemical structure
In Stock

(3S,5R)-Atorvastatin Calcium

CAT No. CS-O-20027
CAS No. 887196-25-0
Category Impurity
Parent API Atorvastatin
Formula C66H68CaF2N4O10
Mol. Wt. 1155.34
(3S,5R)-Pitavastatin Calcium chemical structure
In Stock

(3S,5R)-Pitavastatin Calcium

CAT No. CS-T-51481
CAS No. 254452-88-5
Category Impurity
Parent API Pitavastatin
Formula C50H46CaF2N2O8
Mol. Wt. 881.00
(3S,5R,6R)-Bupropion Impurity chemical structure
In Stock

(3S,5R,6R)-Bupropion Impurity

CAT No. CS-O-15906
CAS No. 2133460-43-0
Category Impurity
Parent API Bupropion
Formula C12H14ClNO3S
Mol. Wt. 287.76
(3S,5S)-Atorvastatin Calcium chemical structure
In Stock

(3S,5S)-Atorvastatin Calcium

CAT No. CS-T-48403
CAS No. 1105067-88-6
Category Impurity
Parent API Atorvastatin
Formula C66H68CaF2N4O10
Mol. Wt. 1155.34
(3S,5S)-Atorvastatin Sodium chemical structure
In Stock

(3S,5S)-Atorvastatin Sodium

CAT No. CS-ED-11746
CAS No. 1428118-38-0
Category Impurity
Parent API Atorvastatin
Formula C33H34FN2NaO5
Mol. Wt. 580.62
(3S,5S)-Dihydroxy Simvastatin chemical structure
In Stock

(3S,5S)-Dihydroxy Simvastatin

CAT No. CS-ED-00163
CAS No. 159143-77-8
Category Impurity
Parent API Simvastatin
Formula C25H40O7
Mol. Wt. 452.58

Impurity Products at Clearsynth

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

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