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Categories / Impurity

Impurity Products

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

Showing 409-432 of 27540 products
All In Stock Custom Synthesis
3-Methoxybenzylamine chemical structure
In Stock

3-Methoxybenzylamine

CAT No. CS-T-32222
CAS No. 5071-96-5
Category Impurity
Parent API -
Formula C8H11NO
Mol. Wt. 137.18
3-Methyl-1,2,4-triazolo[3,4-a]phthalazine chemical structure
In Stock

3-Methyl-1,2,4-triazolo[3,4-a]phthalazine

CAT No. CS-T-35232
CAS No. 20062-41-3
Category Impurity
Parent API -
Formula C10H8N4
Mol. Wt. 184.20
3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinemethanol chemical structure
In Stock

3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinemethanol

CAT No. CS-T-35303
CAS No. 103577-66-8
Category Impurity
Parent API Lansoprazole
Formula C9H10F3NO2
Mol. Wt. 221.18
3-Methylamino-1-propanol chemical structure
In Stock

3-Methylamino-1-propanol

CAT No. CS-T-33123
CAS No. 42055-15-2
Category Impurity
Parent API -
Formula -
Mol. Wt. -
3-Morpholino-1-(4-(2-oxophexahydropyridine-1-yl)phenyl)-5,6-Dihydropyridin-2(1H)-one chemical structure
In Stock

3-Morpholino-1-(4-(2-oxophexahydropyridine-1-yl)phenyl)-5,6-Dihydropyridin-2(1H)-one

CAT No. CS-O-31950
CAS No. 545445-44-1
Category Impurity
Parent API Apixaban
Formula C20H25N3O3
Mol. Wt. 355.43
3-Nitrophthalic Acid chemical structure
In Stock

3-Nitrophthalic Acid

CAT No. CS-T-59602
CAS No. 603-11-2
Category Impurity
Parent API Apremilast
Formula C8H5NO6
Mol. Wt. 211.1
3'-O-(5'-Deoxy-alpha-D-ribofuranosyl) Capecitabine chemical structure
In Stock

3'-O-(5'-Deoxy-alpha-D-ribofuranosyl) Capecitabine

CAT No. CS-T-52019
CAS No. 1262133-68-5
Category Impurity
Parent API Capecitabine
Formula C20H30FN3O9
Mol. Wt. 475.47
3-O-Acetyl-11-keto-Beta-Boswellic acid chemical structure
In Stock

3-O-Acetyl-11-keto-Beta-Boswellic acid

CAT No. CS-E-00008
CAS No. 67416-61-9
Category Impurity
Parent API Boswellic Acid
Formula C32H48O5
Mol. Wt. 512.72
3-O-Methyldopa chemical structure
In Stock

3-O-Methyldopa

CAT No. CS-BX-00607
CAS No. 300-48-1
Category Impurity
Parent API Levodopa
Formula C10H13NO4
Mol. Wt. 211.21
3-Oxo-4-aza-5-α-androstane-17-β-carboxylic acid chemical structure
In Stock

3-Oxo-4-aza-5-α-androstane-17-β-carboxylic acid

CAT No. CS-O-31522
CAS No. 103335-55-3
Category Impurity
Parent API Finasteride
Formula C19H29NO3
Mol. Wt. 319.4
3-Phenoxypropionic acid chemical structure
In Stock

3-Phenoxypropionic acid

CAT No. CS-DL-01059
CAS No. 7170-38-9
Category Impurity
Parent API -
Formula C9H10O3
Mol. Wt. 166.17
3-Picoline 1-Oxide chemical structure
In Stock

3-Picoline 1-Oxide

CAT No. CS-T-39943
CAS No. 1003-73-2
Category Impurity
Parent API -
Formula C6H7NO
Mol. Wt. 109.13
4- Fluoro Safinamide chemical structure
In Stock

4- Fluoro Safinamide

CAT No. CS-O-14574
CAS No. 202825-43-2
Category Impurity
Parent API Safinamide
Formula C17H19FN2O2
Mol. Wt. 302.34
4-(((5-((3-ethoxy-3-oxopropyl)(pyridin-2-yl)carbamoyl)-1-methyl-1H-benzo[d]imidazol-2-yl)methyl)amino)benzoic acid chemical structure
In Stock

4-(((5-((3-ethoxy-3-oxopropyl)(pyridin-2-yl)carbamoyl)-1-methyl-1H-benzo[d]imidazol-2-yl)methyl)amino)benzoic acid

CAT No. CS-O-37827
CAS No.
Category Impurity
Parent API -
Formula C27H27N5O5
Mol. Wt. 501.53 g/mol
4-(2,2-Dichlorocyclopropyl)Phenol 1-Acetate chemical structure
In Stock

4-(2,2-Dichlorocyclopropyl)Phenol 1-Acetate

CAT No. CS-N-05172
CAS No. 144900-34-5
Category Impurity
Parent API Ciprofibrate
Formula C11H10Cl2O2
Mol. Wt. 245.10
4-(2,3-dichlorophenyl)piperazine-1-carbaldehyde chemical structure
In Stock

4-(2,3-dichlorophenyl)piperazine-1-carbaldehyde

CAT No. CS-O-39457
CAS No. 1418125-57-1
Category Impurity
Parent API Aripiprazole
Formula C11H12Cl2N2O
Mol. Wt. 259.13
4-(2-Methylpropoxy)benzenemethanamine acetate chemical structure
In Stock

4-(2-Methylpropoxy)benzenemethanamine acetate

CAT No. CS-O-33496
CAS No. 955997-89-4
Category Impurity
Parent API Pimavanserin
Formula C13H21NO3
Mol. Wt. 239.31
4-(3-Fluoro-benzyloxy)-benzaldehyde chemical structure
In Stock

4-(3-Fluoro-benzyloxy)-benzaldehyde

CAT No. CS-M-09175
CAS No. 66742-57-2
Category Impurity
Parent API Safinamide
Formula C14H11FO2
Mol. Wt. 230.2
4-(4-Chlorophenyl)-2-pyrrolidinone chemical structure
In Stock

4-(4-Chlorophenyl)-2-pyrrolidinone

CAT No. CS-T-50946
CAS No. 22518-27-0
Category Impurity
Parent API Baclofen
Formula C10H10ClNO
Mol. Wt. 195.65
4-(4'-Hydroxyphenyl)-2-butanone chemical structure
In Stock

4-(4'-Hydroxyphenyl)-2-butanone

CAT No. CS-T-28182
CAS No. 5471-51-2
Category Impurity
Parent API Dobutamine
Formula C10H12O2
Mol. Wt. 164.20
4-(4-Nitrophenyl)Butanoic Acid chemical structure
In Stock

4-(4-Nitrophenyl)Butanoic Acid

CAT No. CS-M-47419
CAS No. 5600-62-4
Category Impurity
Parent API Butanoic acid
Formula C10H11NO4
Mol. Wt. 209.20
4-(Azidomethyl)-[1,1-Biphenyl]-2-Metanoic Acid chemical structure
In Stock

4-(Azidomethyl)-[1,1-Biphenyl]-2-Metanoic Acid

CAT No. CS-O-42086
CAS No. 2710224-40-9
Category Impurity
Parent API Valsartan
Formula C14H11N3O2
Mol. Wt. 253.26
4-(Benzyloxy)-3-methoxy-2-nitrobenzaldehyde chemical structure
In Stock

4-(Benzyloxy)-3-methoxy-2-nitrobenzaldehyde

CAT No. CS-MM-24010
CAS No. 2450-27-3
Category Impurity
Parent API Copanlisib
Formula C15H13NO5
Mol. Wt. 287.27
4-(Boc-amino)-1-(Fmoc-piperidinyl)-4-carboxylic Acid chemical structure
In Stock

4-(Boc-amino)-1-(Fmoc-piperidinyl)-4-carboxylic Acid

CAT No. CS-T-07410
CAS No. 368866-07-3
Category Impurity
Parent API -
Formula C26H30N2O6
Mol. Wt. 466.53

Impurity Products at Clearsynth

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

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