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 9601-9624 of 27565 products
All In Stock Custom Synthesis
4-(5-Methyl-[1,2,4]oxadiazol-3-yl)-piperidine hydrochloride chemical structure
Custom Synthesis

4-(5-Methyl-[1,2,4]oxadiazol-3-yl)-piperidine hydrochloride

CAT No. CS-M-51565
CAS No. 280110-73-8
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(6-(5-(2,4-difluorophenylsulfonamido)-6-methoxypyridin-3-yl)quinolin-4-yl)benzoic acid chemical structure
Custom Synthesis

4-(6-(5-(2,4-difluorophenylsulfonamido)-6-methoxypyridin-3-yl)quinolin-4-yl)benzoic acid

CAT No. CS-O-44968
CAS No. 1313994-59-0
Category Impurity
Parent API -
Formula C28H19F2N3O5S
Mol. Wt. 547.53
4-(6-(Acryloyloxy)hexyloxy)phenyl 4-(6-(acryloyloxy)hexyloxy)benzoate chemical structure
Custom Synthesis

4-(6-(Acryloyloxy)hexyloxy)phenyl 4-(6-(acryloyloxy)hexyloxy)benzoate

CAT No. CS-O-51548
CAS No. -
Category Impurity
Parent API -
Formula C31H38O8
Mol. Wt. 538.63
4-(6-bromo-2-methoxyquinolin-3-yl)-2-((dimethylamino)methyl)-1-(naphthalen-1-yl)-4-phenylbutan-1-one chemical structure
Custom Synthesis

4-(6-bromo-2-methoxyquinolin-3-yl)-2-((dimethylamino)methyl)-1-(naphthalen-1-yl)-4-phenylbutan-1-one

CAT No. CS-O-34381
CAS No. -
Category Impurity
Parent API
Formula C33H31BrN2O2
Mol. Wt. 567.52
4-(6-Chloropyridazin-3-yl)morpholine chemical structure
Custom Synthesis

4-(6-Chloropyridazin-3-yl)morpholine

CAT No. CS-M-26933
CAS No. 17259-32-4
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(7-(6-cyano-5-(trifluoromethyl)pyridin-3-yl)-6,8-Dithioxo-5,7-diazaspiro[3,4]octan-5-yl)-2-fluoro- chemical structure
Custom Synthesis

4-(7-(6-cyano-5-(trifluoromethyl)pyridin-3-yl)-6,8-Dithioxo-5,7-diazaspiro[3,4]octan-5-yl)-2-fluoro-

CAT No. CS-O-36236
CAS No. -
Category Impurity
Parent API Apalutamide
Formula C21H15F4N5OS2
Mol. Wt. 493.50
4-(aminomethyl)-1,3-dioxolan-2-one chemical structure
Custom Synthesis

4-(aminomethyl)-1,3-dioxolan-2-one

CAT No. CS-O-44137
CAS No. 2329209-83-6
Category Impurity
Parent API Rivaroxaban
Formula C4H7NO3
Mol. Wt. 117.1
4'-(azidobromomethyl)-[1,1'-biphenyl]-2-carbonitrile chemical structure
Custom Synthesis

4'-(azidobromomethyl)-[1,1'-biphenyl]-2-carbonitrile

CAT No. CS-O-40700
CAS No.
Category Impurity
Parent API Irbesartan
Formula C14H9BrN4
Mol. Wt. 313.15
4-(azidomethyl)-[1,1'-biphenyl]-2-carbonitrile chemical structure
Custom Synthesis

4-(azidomethyl)-[1,1'-biphenyl]-2-carbonitrile

CAT No. CS-O-45389
CAS No. -
Category Impurity
Parent API Valsartan
Formula C14H10N4
Mol. Wt. 234.26
4-(Benzyloxy)aniline chemical structure
Custom Synthesis

4-(Benzyloxy)aniline

CAT No. CS-M-08595
CAS No. 6373-46-2
Category Impurity
Parent API
Formula C13H13NO
Mol. Wt. 199.25 g/mol
4-(Bis(isopropyl)amino)-2,2-diphenylbutyronitrile chemical structure
Custom Synthesis

4-(Bis(isopropyl)amino)-2,2-diphenylbutyronitrile

CAT No. CS-O-56559
CAS No. 77-11-2
Category Impurity
Parent API Isopropamide Iodide
Formula C22H28N2
Mol. Wt. 320.47
4-(Bromomethyl)biphenyl chemical structure
Custom Synthesis

4-(Bromomethyl)biphenyl

CAT No. CS-T-08502
CAS No. 2567-29-5
Category Impurity
Parent API Valsartan
Formula C13H11Br
Mol. Wt. 247.1
4-(Bromomethyl)phenylaceticacidphenacylester chemical structure
Custom Synthesis

4-(Bromomethyl)phenylaceticacidphenacylester

CAT No. CS-O-44531
CAS No. -
Category Impurity
Parent API Loxoprofen
Formula C17H15BrO3
Mol. Wt. 347.2
4-(Chloromethyl)-α-methyl-benzeneacetic Acid Ethyl Ester chemical structure
Custom Synthesis

4-(Chloromethyl)-α-methyl-benzeneacetic Acid Ethyl Ester

CAT No. CS-T-11950
CAS No. 43153-03-3
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(Chloromethyl)-2,6-di-tert-butylphenol chemical structure
Custom Synthesis

4-(Chloromethyl)-2,6-di-tert-butylphenol

CAT No. CS-O-52049
CAS No. 955-01-1
Category Impurity
Parent API .
Formula C15H23ClO
Mol. Wt. 254.80
4-(Chloromethyl)-2-isopropyl]-4-thiazolyl, Hydrochloride Salt chemical structure
Custom Synthesis

4-(Chloromethyl)-2-isopropyl]-4-thiazolyl, Hydrochloride Salt

CAT No. CS-T-11966
CAS No. 65386-28-9
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(Cyclopropylmethoxy)piperidine chemical structure
Custom Synthesis

4-(Cyclopropylmethoxy)piperidine

CAT No. CS-M-07829
CAS No. 865106-51-0
Category Impurity
Parent API
Formula -
Mol. Wt.
4'-(diazidomethyl)-[1,1'-biphenyl]-2-carbonitrile chemical structure
Custom Synthesis

4'-(diazidomethyl)-[1,1'-biphenyl]-2-carbonitrile

CAT No. CS-O-40699
CAS No.
Category Impurity
Parent API Irbesartan
Formula C14H9N7
Mol. Wt. 275.27
4-(difluoromethoxy)-3-(cyclopropylmethoxy)-benzaldehyde chemical structure
Custom Synthesis

4-(difluoromethoxy)-3-(cyclopropylmethoxy)-benzaldehyde

CAT No. CS-O-10683
CAS No. 151103-09-2
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(Ethoxymethyl)piperidine hydrochloride chemical structure
Custom Synthesis

4-(Ethoxymethyl)piperidine hydrochloride

CAT No. CS-M-07871
CAS No. 265108-38-1
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(Ethylthio)toluene chemical structure
Custom Synthesis

4-(Ethylthio)toluene

CAT No. CS-DL-00599
CAS No. 622-63-9
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(Fluoromethyl)indole-3-acetic Acid chemical structure
Custom Synthesis

4-(Fluoromethyl)indole-3-acetic Acid

CAT No. CS-T-77200
CAS No. 1346599-44-7
Category Impurity
Parent API
Formula -
Mol. Wt.
4-(Hexafluoro-2-hydroxyisopropyl)aniline chemical structure
Custom Synthesis

4-(Hexafluoro-2-hydroxyisopropyl)aniline

CAT No. CS-O-01635
CAS No. 722-92-9
Category Impurity
Parent API Aniline
Formula C9H7F6NO
Mol. Wt. 259.15
4-(Hydroxyamino)phenol chemical structure
Custom Synthesis

4-(Hydroxyamino)phenol

CAT No. CS-O-41095
CAS No. 3505-87-1
Category Impurity
Parent API Sorafenib
Formula C6H7NO2
Mol. Wt. 125.1

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.