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Categories / Impurity

Impurity Products

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

Showing 5857-5880 of 27558 products
All In Stock Custom Synthesis
(2R)-2-Deoxy-2-fluoro-2-methyl-a-D-erythro-pentofuranosyl Chloride 3,5-Dibenzoate chemical structure
Custom Synthesis

(2R)-2-Deoxy-2-fluoro-2-methyl-a-D-erythro-pentofuranosyl Chloride 3,5-Dibenzoate

CAT No. CS-T-73615
CAS No. 1199809-23-8
Category Impurity
Parent API Sofosbuvir
Formula C20H18ClFO5
Mol. Wt. 392.8
(2'R)-2'-deoxy-2'-fluoro-2'-methyl-cytidine-3'-benzoate chemical structure
Custom Synthesis

(2'R)-2'-deoxy-2'-fluoro-2'-methyl-cytidine-3'-benzoate

CAT No. CS-O-63294
CAS No. -
Category Impurity
Parent API Sofosbuvir
Formula C17H18FN3O5
Mol. Wt. 363.35
(2'R)-2'-Deoxy-2'-methyl-cytidine-5'-benzoate chemical structure
Custom Synthesis

(2'R)-2'-Deoxy-2'-methyl-cytidine-5'-benzoate

CAT No. CS-O-63291
CAS No. -
Category Impurity
Parent API Sofosbuvir
Formula C17H19N3O5
Mol. Wt. 345.36
(2R)-3,4-Dihydro-5-[(4-nitrophenyl)methyl]-2-[(R)-phenyl[(trimethylsilyl)oxy]methyl]-2H-pyrrole chemical structure
Custom Synthesis

(2R)-3,4-Dihydro-5-[(4-nitrophenyl)methyl]-2-[(R)-phenyl[(trimethylsilyl)oxy]methyl]-2H-pyrrole

CAT No. CS-O-52479
CAS No. 1818351-75-5
Category Impurity
Parent API Vibegron
Formula C21H26N2O3Si
Mol. Wt. 382.53
(2R)-4-(1,1-Dimethylethyl) Ester 2,4-Morpholinedicarboxylic Acid chemical structure
Custom Synthesis

(2R)-4-(1,1-Dimethylethyl) Ester 2,4-Morpholinedicarboxylic Acid

CAT No. CS-T-20150
CAS No. 884512-77-0
Category Impurity
Parent API
Formula -
Mol. Wt.
(2R)-Brivaracetam-2,5-dioxo-3-propylpyrrolidin impurity chemical structure
Custom Synthesis

(2R)-Brivaracetam-2,5-dioxo-3-propylpyrrolidin impurity

CAT No. CS-O-57679
CAS No.
Category Impurity
Parent API Brivaracetam
Formula C11H18N2O3
Mol. Wt. 226.27
(2R)-Tetrahydro-2-furanmethanamine chemical structure
Custom Synthesis

(2R)-Tetrahydro-2-furanmethanamine

CAT No. CS-T-61820
CAS No. 7202-43-9
Category Impurity
Parent API
Formula -
Mol. Wt.
(2R, 4R)-difenoconazole chemical structure
Custom Synthesis

(2R, 4R)-difenoconazole

CAT No. CS-O-64340
CAS No. 1161016-80-3
Category Impurity
Parent API Difenoconazole
Formula C19H17Cl2N3O3
Mol. Wt. 406.26
(2R, 4S)-difenoconazole chemical structure
Custom Synthesis

(2R, 4S)-difenoconazole

CAT No. CS-O-64342
CAS No. 1161016-86-9
Category Impurity
Parent API Difenoconazole
Formula C19H17Cl2N3O3
Mol. Wt. 406.26
(2R,​3R,​6S)​-6-​(4-​Fluorophenyl)​tetrahydro-​2-​(4-​hydroxyphenyl)​-2H-pyran-3-carboxylic Acid chemical structure
Custom Synthesis

(2R,​3R,​6S)​-6-​(4-​Fluorophenyl)​tetrahydro-​2-​(4-​hydroxyphenyl)​-2H-pyran-3-carboxylic Acid

CAT No. CS-T-77443
CAS No. 1618657-31-0
Category Impurity
Parent API Ezetimibe
Formula C18H17FO4
Mol. Wt. 316.3
(2R,2'R)-2,2'-((benzo[d][1,3]dioxol-5-ylmethylene)bis(azanediyl))bis(3-(1H-indol-3-yl)propanoic acid) chemical structure
Custom Synthesis

(2R,2'R)-2,2'-((benzo[d][1,3]dioxol-5-ylmethylene)bis(azanediyl))bis(3-(1H-indol-3-yl)propanoic acid)

CAT No. CS-O-53398
CAS No.
Category Impurity
Parent API -
Formula C30H28N4O6
Mol. Wt. 540.57
(2R,2'R)-dimethyl 2,2'-((thiophene-2,3-diylbis(ethane-2,1-diyl))bis(azanediyl))bis(2-(2-chlorophenyl)acetate) chemical structure
Custom Synthesis

(2R,2'R)-dimethyl 2,2'-((thiophene-2,3-diylbis(ethane-2,1-diyl))bis(azanediyl))bis(2-(2-chlorophenyl)acetate)

CAT No. CS-O-49802
CAS No. -
Category Impurity
Parent API Clopidogrel
Formula C26H28Cl2N2O4S
Mol. Wt. 535.48
(2R,2'R)-dimethyl 2,2'-((thiophene-3,4-diylbis(ethane-2,1-diyl))bis(azanediyl))bis(2-(2-chlorophenyl)acetate) chemical structure
Custom Synthesis

(2R,2'R)-dimethyl 2,2'-((thiophene-3,4-diylbis(ethane-2,1-diyl))bis(azanediyl))bis(2-(2-chlorophenyl)acetate)

CAT No. CS-O-49801
CAS No. -
Category Impurity
Parent API Clopidogrel
Formula C26H28Cl2N2O4S
Mol. Wt. 535.48
(2R,3’R)-Glycopyrrolate Bromide chemical structure
Custom Synthesis

(2R,3’R)-Glycopyrrolate Bromide

CAT No. CS-T-79033
CAS No. 475468-09-8
Category Impurity
Parent API Glycopyrrolate
Formula C19H28BrNO3
Mol. Wt. 398.33
(2R,3aR,7aR)-benzyl octahydro-1H-indole-2-carboxylate 4-methylbenzenesulfonate chemical structure
Custom Synthesis

(2R,3aR,7aR)-benzyl octahydro-1H-indole-2-carboxylate 4-methylbenzenesulfonate

CAT No. CS-O-54880
CAS No.
Category Impurity
Parent API .
Formula C23H29NO5S
Mol. Wt. 431.55
(2R,3aR,7aR)-rel-OctahydroIndole-2-carboxylic Acid chemical structure
Custom Synthesis

(2R,3aR,7aR)-rel-OctahydroIndole-2-carboxylic Acid

CAT No. CS-T-83495
CAS No. 80828-13-3
Category Impurity
Parent API
Formula C9H15NO2
Mol. Wt. 169.22
(2R,3aR,7aS)-Octahydro-1H-indole-2-carboxylic Acid chemical structure
Custom Synthesis

(2R,3aR,7aS)-Octahydro-1H-indole-2-carboxylic Acid

CAT No. CS-O-39430
CAS No. 145438-95-5
Category Impurity
Parent API Perindopril
Formula C9H15NO2
Mol. Wt. 169.22
(2R,3R)-2-(2,4-Difluorophenyl )-1-(4H-1,2,4-triazol-1-yl)-2,3-butanediol chemical structure
Custom Synthesis

(2R,3R)-2-(2,4-Difluorophenyl )-1-(4H-1,2,4-triazol-1-yl)-2,3-butanediol

CAT No. CS-O-35294
CAS No. -
Category Impurity
Parent API -
Formula C12H15F2N3O2
Mol. Wt. 271.26
(2R,3R)-2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2,3-butanediol 3-THP Ether chemical structure
Custom Synthesis

(2R,3R)-2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2,3-butanediol 3-THP Ether

CAT No. CS-T-91012
CAS No. 135133-23-2
Category Impurity
Parent API Efinaconazole
Formula C17H21F2N3O3
Mol. Wt. 353.4
(2R,3R)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol Mesylate chemical structure
Custom Synthesis

(2R,3R)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol Mesylate

CAT No. CS-O-32444
CAS No. 1175536-50-1
Category Impurity
Parent API
Formula -
Mol. Wt.
(2R,3R)-2-(2,4-Difluorophenyl)-1-(4H-1,2,4-triazol-4-yl)butane-2,3-diol chemical structure
Custom Synthesis

(2R,3R)-2-(2,4-Difluorophenyl)-1-(4H-1,2,4-triazol-4-yl)butane-2,3-diol

CAT No. CS-O-38752
CAS No. 2122222-14-2
Category Impurity
Parent API Efinaconazole
Formula C12H13F2N3O2
Mol. Wt. 269.25
(2R,3R)-2-(2,4-difluorophenyl)-3-(((2R,3R)-2-(2,4-difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(1 chemical structure
Custom Synthesis

(2R,3R)-2-(2,4-difluorophenyl)-3-(((2R,3R)-2-(2,4-difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(1

CAT No. CS-O-36347
CAS No. -
Category Impurity
Parent API Efinaconazole
Formula C30H33F4N7O2
Mol. Wt. 599.62
(2R,3R)-2-(2,4-difluorophenyl)-3-(3-methylenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol chemical structure
Custom Synthesis

(2R,3R)-2-(2,4-difluorophenyl)-3-(3-methylenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

CAT No. CS-O-33178
CAS No. 164650-54-8
Category Impurity
Parent API
Formula C18H22F2N4O
Mol. Wt. 348.39
(2R,3R)-2-(2,5-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2,3-butanediol chemical structure
Custom Synthesis

(2R,3R)-2-(2,5-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2,3-butanediol

CAT No. CS-O-51449
CAS No. 241479-72-1
Category Impurity
Parent API -
Formula C12H13F2N3O2
Mol. Wt. 269.25

Impurity Products at Clearsynth

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