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Categories / Impurity

Impurity Products

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

Showing 97-120 of 27540 products
All In Stock Custom Synthesis
(E)-2-(3-hydroxy-3,7,11,15-tetramethylhexadec-1-en-1-yl)-3-methylnaphthalene-1,4-dione chemical structure
In Stock

(E)-2-(3-hydroxy-3,7,11,15-tetramethylhexadec-1-en-1-yl)-3-methylnaphthalene-1,4-dione

CAT No. CS-O-33081
CAS No. 15576-40-6
Category Impurity
Parent API Phytonadione
Formula C31H46O3
Mol. Wt. 466.70
(E)-2-(tert-butyl)-6-((4-chloro-2-nitrophenyl)diazenyl)-4-(2-hydroxyethyl)phenol chemical structure
In Stock

(E)-2-(tert-butyl)-6-((4-chloro-2-nitrophenyl)diazenyl)-4-(2-hydroxyethyl)phenol

CAT No. CS-O-48898
CAS No. -
Category Impurity
Parent API .
Formula C18H20ClN3O4
Mol. Wt. 377.82
(E)-3a-hydroxy-6-ethylidene-7-keto-5ß-cholan-24-oic acid chemical structure
In Stock

(E)-3a-hydroxy-6-ethylidene-7-keto-5ß-cholan-24-oic acid

CAT No. CS-DL-00307
CAS No. 1516887-33-4
Category Impurity
Parent API Obeticholic acid
Formula C26H40O4
Mol. Wt. 416.69
(E)-Aztreonam chemical structure
In Stock

(E)-Aztreonam

CAT No. CS-T-04725
CAS No. 99341-02-3
Category Impurity
Parent API Aztreonam
Formula C13H17N5O8S2
Mol. Wt. 435.4
(E)-Dehydro Cilnidipine chemical structure
Custom Synthesis

(E)-Dehydro Cilnidipine

CAT No. CS-P-07434
CAS No. 146845-34-3
Category Impurity
Parent API Cilnidipine
Formula C27H26N2O7
Mol. Wt. 490.50
(E)-Ensifentrine Isoindole-1,3-dione Impurity chemical structure
In Stock

(E)-Ensifentrine Isoindole-1,3-dione Impurity

CAT No. CS-O-57050
CAS No. 3046226-90-5
Category Impurity
Parent API Ensifentrine
Formula C33H32N4O5
Mol. Wt. 564.63
(E)-N-cinnamyl-N-methyl-N-(naphthalen-1-ylmethyl)-3-phenylprop-2-en-1-aminium chloride chemical structure
In Stock

(E)-N-cinnamyl-N-methyl-N-(naphthalen-1-ylmethyl)-3-phenylprop-2-en-1-aminium chloride

CAT No. CS-O-36470
CAS No. -
Category Impurity
Parent API Naftifine
Formula C30H30ClN
Mol. Wt. 440.02
(E/Z)-Olopatadine Carbaldehyde chemical structure
In Stock

(E/Z)-Olopatadine Carbaldehyde

CAT No. CS-O-34576
CAS No. 2519517-77-0
Category Impurity
Parent API Olopatadine
Formula C20H21NO2
Mol. Wt. 307.39
(EZ)-Entacapone chemical structure
In Stock

(EZ)-Entacapone

CAT No. CS-O-52577
CAS No. 686349-59-7
Category Impurity
Parent API Entacapone
Formula C14H15N3O5
Mol. Wt. 305.29
(EZ)-Sitagliptin Styrylacetyl Analogue chemical structure
In Stock

(EZ)-Sitagliptin Styrylacetyl Analogue

CAT No. CS-T-73299
CAS No. 1675201-14-5
Category Impurity
Parent API Sitagliptin
Formula C16H12F6N4O
Mol. Wt. 390.28
(R)-(-)-Littorine Hydrochloride chemical structure
In Stock

(R)-(-)-Littorine Hydrochloride

CAT No. CS-EK-00401
CAS No. 21956-47-8 (Free base)
Category Impurity
Parent API Atropine
Formula C17H24ClNO3
Mol. Wt. 325.83
(R)-(+)-2-Pyrrolidone-5-carboxylic acid chemical structure
In Stock

(R)-(+)-2-Pyrrolidone-5-carboxylic acid

CAT No. CS-T-41245
CAS No. 4042-36-8
Category Impurity
Parent API
Formula -
Mol. Wt.
(R)-(+)-Camphor chemical structure
In Stock

(R)-(+)-Camphor

CAT No. CS-T-10090
CAS No. 464-49-3
Category Impurity
Parent API Camphor
Formula C10H16O
Mol. Wt. 152.23
(R)-(+)-Carvedilol chemical structure
In Stock

(R)-(+)-Carvedilol

CAT No. CS-O-07549
CAS No. 95093-99-5
Category Impurity
Parent API Carvedilol
Formula C24H26N2O4
Mol. Wt. 406.47
(R)-(+)-Ropivacaine Hydrochloride chemical structure
In Stock

(R)-(+)-Ropivacaine Hydrochloride

CAT No. CS-T-41940
CAS No. 112773-90-7
Category Impurity
Parent API Ropivacaine
Formula C17H27ClN2O
Mol. Wt. 310.86
(R)-(+)-Timolol Maleate chemical structure
In Stock

(R)-(+)-Timolol Maleate

CAT No. CS-T-62081
CAS No. 26839-77-0
Category Impurity
Parent API Timolol Maleate
Formula C13H24N4O3S • C 4H4O4
Mol. Wt. 432.49
(R)-(+)-Tolvaptan chemical structure
In Stock

(R)-(+)-Tolvaptan

CAT No. CS-T-44605
CAS No. 331947-66-1
Category Impurity
Parent API Tolvaptan
Formula C26H25ClN2O3
Mol. Wt. 449
(R)-(3-Methyl-1-(pyrazine-2-carboxamido)butyl)boronic Acid chemical structure
In Stock

(R)-(3-Methyl-1-(pyrazine-2-carboxamido)butyl)boronic Acid

CAT No. CS-T-93999
CAS No. -
Category Impurity
Parent API Bortezomib
Formula C10H16BN3O3
Mol. Wt. 237.06
(R)-[3-(3-Fluoro-4-morpholinophenyl)-2-oxo-5-oxazolidinyl]methyl methanesulfonate chemical structure
In Stock

(R)-[3-(3-Fluoro-4-morpholinophenyl)-2-oxo-5-oxazolidinyl]methyl methanesulfonate

CAT No. CS-O-31591
CAS No. 174649-09-3
Category Impurity
Parent API Linezolid
Formula C15H19FN2O6S
Mol. Wt. 374.38
(R)-1,2-Propylene Carbonate chemical structure
In Stock

(R)-1,2-Propylene Carbonate

CAT No. CS-T-60839
CAS No. 16606-55-6
Category Impurity
Parent API -
Formula C4H6O3
Mol. Wt. 102.09
(R)-2-amino-N-benzyl-3-methoxypropanamide chemical structure
In Stock

(R)-2-amino-N-benzyl-3-methoxypropanamide

CAT No. CS-M-42527
CAS No. 196601-69-1
Category Impurity
Parent API Lacosamide
Formula C11H16N2O2
Mol. Wt. 208.26
(R)-2-hydroxy-N-(4-nitrophenethyl)-2-phenylacetamide chemical structure
In Stock

(R)-2-hydroxy-N-(4-nitrophenethyl)-2-phenylacetamide

CAT No. CS-O-35578
CAS No. -
Category Impurity
Parent API Mirabegron
Formula C16H16N2O4
Mol. Wt. 300.31
(R)-3-Boc-Aminopiperidine chemical structure
In Stock

(R)-3-Boc-Aminopiperidine

CAT No. CS-O-31218
CAS No. 309956-78-3
Category Impurity
Parent API Linagliptin
Formula C10H20N2O2
Mol. Wt. 200.28
(R)-3-Methyl-1-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-yl)Butan-1-Amine Hydrochloride chemical structure
In Stock

(R)-3-Methyl-1-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-yl)Butan-1-Amine Hydrochloride

CAT No. CS-O-46470
CAS No. 1243174-57-3
Category Impurity
Parent API Bortezomib
Formula C11H25BClNO2
Mol. Wt. 249.59

Impurity Products at Clearsynth

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

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