Recently Viewed 0
Meet Clearsynth at CPHI India 2026 · November 23–25 · Booth 2J10 · IICC, Yashobhoomi, New Delhi View event
My Account Need quick assistance? WhatsApp us +91-22-45045900 sales@clearsynth.com
Categories / Impurity

Impurity Products

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

Showing 7729-7752 of 27558 products
All In Stock Custom Synthesis
1-(tert-butoxy)-4-(2-(tert-butoxy)ethyl)benzene chemical structure
Custom Synthesis

1-(tert-butoxy)-4-(2-(tert-butoxy)ethyl)benzene

CAT No. CS-O-38528
CAS No. -
Category Impurity
Parent API
Formula C16H26O2
Mol. Wt. 250.38
1-(tert-Butoxy)butane chemical structure
Custom Synthesis

1-(tert-Butoxy)butane

CAT No. CS-O-46305
CAS No. 1000-63-1
Category Impurity
Parent API -
Formula C8H18O
Mol. Wt. 130.23
1-(tert-Butoxycarbonyl)-3-(3,4-dichlorobenzyl)-3-piperidinecarboxylic acid chemical structure
Custom Synthesis

1-(tert-Butoxycarbonyl)-3-(3,4-dichlorobenzyl)-3-piperidinecarboxylic acid

CAT No. CS-M-33792
CAS No. 887344-21-0
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(tert-Butoxycarbonyl)-3-(4-chlorobenzyl)-3-piperidinecarboxylic acid chemical structure
Custom Synthesis

1-(tert-Butoxycarbonyl)-3-(4-chlorobenzyl)-3-piperidinecarboxylic acid

CAT No. CS-M-33791
CAS No. 174606-16-7
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(tert-Butoxycarbonyl)-4-ethylpiperidine-4-carboxylic acid chemical structure
Custom Synthesis

1-(tert-Butoxycarbonyl)-4-ethylpiperidine-4-carboxylic acid

CAT No. CS-M-48201
CAS No. 188792-67-8
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(tert-Butoxycarbonyl)-4-methylpiperidine-4-carboxylic acid chemical structure
Custom Synthesis

1-(tert-Butoxycarbonyl)-4-methylpiperidine-4-carboxylic acid

CAT No. CS-M-48200
CAS No. 189321-63-9
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(tert-Butoxycarbonyl)piperidine-3-carboxylic acid chemical structure
Custom Synthesis

1-(tert-Butoxycarbonyl)piperidine-3-carboxylic acid

CAT No. CS-M-26595
CAS No. 944280-72-2
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(tert-Butyl) 2-methyl (2R,4R)-4-(4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl)pyrrolidine-1,2-dicarboxylate chemical structure
Custom Synthesis

1-(tert-Butyl) 2-methyl (2R,4R)-4-(4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl)pyrrolidine-1,2-dicarboxylate

CAT No. CS-O-40333
CAS No. -
Category Impurity
Parent API Teneligliptin
Formula C25H35N5O4
Mol. Wt. 469.58
1-(tert-Butyl) 2-methyl (2S,4R)-4-(4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl)pyrrolidine-1,2-dicarboxylate chemical structure
Custom Synthesis

1-(tert-Butyl) 2-methyl (2S,4R)-4-(4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl)pyrrolidine-1,2-dicarboxylate

CAT No. CS-O-40332
CAS No. -
Category Impurity
Parent API Teneligliptin
Formula C25H35N5O4
Mol. Wt. 469.58
1-(tert-butyl)-3-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine chemical structure
Custom Synthesis

1-(tert-butyl)-3-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine

CAT No. CS-O-38782
CAS No. 180903-16-6
Category Impurity
Parent API
Formula C15H17N5
Mol. Wt. 267.33
1-(Tetrahydro-2H-pyran-4-yl)piperidine-3-carboxylic acid hydrochloride chemical structure
Custom Synthesis

1-(Tetrahydro-2H-pyran-4-yl)piperidine-3-carboxylic acid hydrochloride

CAT No. CS-M-28196
CAS No. 1158698-78-2
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(Tetrahydro-2H-pyran-4-yl)piperidine-4-carboxylic acid hydrochloride chemical structure
Custom Synthesis

1-(Tetrahydro-2H-pyran-4-yl)piperidine-4-carboxylic acid hydrochloride

CAT No. CS-M-28195
CAS No. 1158712-36-7
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(Tetrahydro-3-thienyl)piperidine-3-carboxylic acid hydrochloride chemical structure
Custom Synthesis

1-(Tetrahydro-3-thienyl)piperidine-3-carboxylic acid hydrochloride

CAT No. CS-M-08178
CAS No. 1215749-61-3
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(Tetrahydro-3-thienyl)piperidine-4-carboxylic acid hydrochloride chemical structure
Custom Synthesis

1-(Tetrahydro-3-thienyl)piperidine-4-carboxylic acid hydrochloride

CAT No. CS-M-08168
CAS No. 1185299-73-3
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(Tetrahydrofuran-2-ylcarbonyl)piperidine-4-carboxylic acid chemical structure
Custom Synthesis

1-(Tetrahydrofuran-2-ylcarbonyl)piperidine-4-carboxylic acid

CAT No. CS-M-28763
CAS No. 926214-32-6
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(Toluene-4-sulfonyl)-1H-pyrrolo[2,3-b]pyridine chemical structure
Custom Synthesis

1-(Toluene-4-sulfonyl)-1H-pyrrolo[2,3-b]pyridine

CAT No. CS-M-10257
CAS No. 348640-02-8
Category Impurity
Parent API
Formula -
Mol. Wt.
1-(Trifluoromethyl)cyclopropane-1-carboxylic acid methyl ester chemical structure
Custom Synthesis

1-(Trifluoromethyl)cyclopropane-1-carboxylic acid methyl ester

CAT No. CS-M-08586
CAS No. 208242-25-5
Category Impurity
Parent API
Formula -
Mol. Wt.
1, (5a)-ANDROSTEN-17-ß, 3-ß-DIOL chemical structure
Custom Synthesis

1, (5a)-ANDROSTEN-17-ß, 3-ß-DIOL

CAT No. CS-V-00002
CAS No. 5323-27-3
Category Impurity
Parent API
Formula -
Mol. Wt.
1,(5a)-ANDROSTEN-2- METHYL-17-ß- OL-3-ONE chemical structure
Custom Synthesis

1,(5a)-ANDROSTEN-2- METHYL-17-ß- OL-3-ONE

CAT No. CS-V-00004
CAS No. 5197-58-0
Category Impurity
Parent API
Formula -
Mol. Wt.
1,1 Dichlorphenamide Dimer chemical structure
Custom Synthesis

1,1 Dichlorphenamide Dimer

CAT No. CS-O-41429
CAS No. -
Category Impurity
Parent API Diclofenamide
Formula C12H8Cl4N2O6S3
Mol. Wt. 514.2
1,1'-((propane-2,2-diylbis(4,1-phenylene))bis(oxy))bis(propan-2-ol) chemical structure
Custom Synthesis

1,1'-((propane-2,2-diylbis(4,1-phenylene))bis(oxy))bis(propan-2-ol)

CAT No. CS-ED-02166
CAS No. 116-37-0
Category Impurity
Parent API Zafirlukast
Formula C21H28O4
Mol. Wt. 344.5
1,1'-(Ethane-1,2-diyl)bis(1,3-dihydro-2H-benzo[d]imidazol-2-one) chemical structure
Custom Synthesis

1,1'-(Ethane-1,2-diyl)bis(1,3-dihydro-2H-benzo[d]imidazol-2-one)

CAT No. CS-O-59296
CAS No.
Category Impurity
Parent API Flibanserin
Formula C16H14N4O2
Mol. Wt. 294.31
1,1'-(oxybis(2,1-phenylene))bis(ethan-1-one) chemical structure
Custom Synthesis

1,1'-(oxybis(2,1-phenylene))bis(ethan-1-one)

CAT No. CS-BX-02988
CAS No. 37407-22-0
Category Impurity
Parent API Phenylephrine
Formula C16H14O3
Mol. Wt. 254.29
1,1,1,2,3,3,3-Heptafluoropropane chemical structure
Custom Synthesis

1,1,1,2,3,3,3-Heptafluoropropane

CAT No. CS-O-11355
CAS No. 431-89-0
Category Impurity
Parent API
Formula -
Mol. Wt.

Impurity Products at Clearsynth

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

Browse available compounds above or contact our team for custom synthesis and bulk requirements.

Done
RFQ Basket 0
Quick Enquiry
Tell us what you need
Quote Basket
Selected RFQ Items
Your RFQ basket is empty. Add a product block or copy a guided requirement here.