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 9817-9840 of 27565 products
All In Stock Custom Synthesis
4-chloro Vonoprazan Fumarate chemical structure
Custom Synthesis

4-chloro Vonoprazan Fumarate

CAT No. CS-O-53998
CAS No. 2855936-83-1
Category Impurity
Parent API Vonoprazan
Formula C21H19ClFN3O6S
Mol. Wt. 495.91
4-Chloro Vortioxetine chemical structure
Custom Synthesis

4-Chloro Vortioxetine

CAT No. CS-O-14057
CAS No.
Category Impurity
Parent API Vortioxetine
Formula C18H21ClN2S
Mol. Wt. 332.89
4-chloro-1-(4-(4-(4-chlorophenyl)-4-hydroxypiperidin-1-yl)phenyl)butan-1-one chemical structure
Custom Synthesis

4-chloro-1-(4-(4-(4-chlorophenyl)-4-hydroxypiperidin-1-yl)phenyl)butan-1-one

CAT No. CS-O-49651
CAS No. -
Category Impurity
Parent API Empagliflozin
Formula C21H23Cl2NO2
Mol. Wt. 392.32
4-Chloro-1-methylindole-3-acetic Acid chemical structure
Custom Synthesis

4-Chloro-1-methylindole-3-acetic Acid

CAT No. CS-T-72279
CAS No. 1346601-81-7
Category Impurity
Parent API
Formula -
Mol. Wt.
4-Chloro-2-((3S,4S)-1-methyl-4-phenylpyrrolidin-3-yl)phenol hydrobromide chemical structure
Custom Synthesis

4-Chloro-2-((3S,4S)-1-methyl-4-phenylpyrrolidin-3-yl)phenol hydrobromide

CAT No. CS-O-53899
CAS No.
Category Impurity
Parent API -
Formula C17H19BrClNO
Mol. Wt. 368.70
4-Chloro-2-(trimethylsilyl)phenyl trifluoromethanesulfonate chemical structure
Custom Synthesis

4-Chloro-2-(trimethylsilyl)phenyl trifluoromethanesulfonate

CAT No. CS-ZH-13415
CAS No. 262373-16-0
Category Impurity
Parent API
Formula -
Mol. Wt.
4-Chloro-2,6-dinitroaniline chemical structure
Custom Synthesis

4-Chloro-2,6-dinitroaniline

CAT No. CS-ED-41715
CAS No. 5388-62-5
Category Impurity
Parent API -
Formula C6H4ClN3O4
Mol. Wt. 217.57
4-chloro-2-formyl-benzoic acid chemical structure
Custom Synthesis

4-chloro-2-formyl-benzoic acid

CAT No. CS-P-07235
CAS No. 4657-56-1
Category Impurity
Parent API Benzoic Acid
Formula C8H5ClO3
Mol. Wt. 184.6
4-chloro-3-hydroxybutanenitrile chemical structure
Custom Synthesis

4-chloro-3-hydroxybutanenitrile

CAT No. CS-DV-02726
CAS No. 105-33-9
Category Impurity
Parent API
Formula -
Mol. Wt.
4-Chloro-4′-methoxybenzophenone chemical structure
Custom Synthesis

4-Chloro-4′-methoxybenzophenone

CAT No. CS-P-07894
CAS No. 10547-60-1
Category Impurity
Parent API Fenofibrate
Formula C14H11ClO2
Mol. Wt. 246.7
4-Chloro-5-fluoro-2-methoxypyrimidine chemical structure
Custom Synthesis

4-Chloro-5-fluoro-2-methoxypyrimidine

CAT No. CS-DV-02730
CAS No. 1801-06-5
Category Impurity
Parent API Cytosine
Formula C5H4ClFN2O
Mol. Wt. 162.5
4-Chloro-5-nitro-2-(propylthio)pyrimidine chemical structure
Custom Synthesis

4-Chloro-5-nitro-2-(propylthio)pyrimidine

CAT No. CS-T-93624
CAS No. 2518331-26-3
Category Impurity
Parent API Ticagrelor
Formula C7H8ClN3O2S
Mol. Wt. 233.68
4-Chloro-5-nitro-2-(propylthio)pyrimidine chemical structure
Custom Synthesis

4-Chloro-5-nitro-2-(propylthio)pyrimidine

CAT No. CS-T-93628
CAS No. -
Category Impurity
Parent API Ticagrelor
Formula C7H8ClN3O2S
Mol. Wt. 233.68
4-Chloro-6-(difluoromethyl)-2-(methylthio)pyrimidine chemical structure
Custom Synthesis

4-Chloro-6-(difluoromethyl)-2-(methylthio)pyrimidine

CAT No. CS-ED-01882
CAS No. 1204298-68-9
Category Impurity
Parent API
Formula C6H5ClF2N2S
Mol. Wt. 210.63
4-Chloro-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine chemical structure
Custom Synthesis

4-Chloro-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine

CAT No. CS-M-24043
CAS No. 941685-26-3
Category Impurity
Parent API
Formula -
Mol. Wt.
4-Chloro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(2,2,2-trifluoroethyl)-1H-indazol-3-amine chemical structure
Custom Synthesis

4-Chloro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(2,2,2-trifluoroethyl)-1H-indazol-3-amine

CAT No. CS-O-62873
CAS No. 2189684-53-3
Category Impurity
Parent API Lenacapavir
Formula C15H18BClF3N3O2
Mol. Wt. 375.58
4-Chlorobenzamide chemical structure
Custom Synthesis

4-Chlorobenzamide

CAT No. CS-MM-62452
CAS No.
Category Impurity
Parent API
Formula -
Mol. Wt.
4-chlorobenzene-1-diazonium, tetrafluoroboranuide chemical structure
Custom Synthesis

4-chlorobenzene-1-diazonium, tetrafluoroboranuide

CAT No. CS-ZB-03773
CAS No. 673-41-6
Category Impurity
Parent API
Formula C6H4BClF4N2
Mol. Wt. 226.37 g/mol
4-Chlorobutanal chemical structure
Custom Synthesis

4-Chlorobutanal

CAT No. CS-O-40217
CAS No. 6139-84-0
Category Impurity
Parent API Sumatriptan
Formula C4H7ClO
Mol. Wt. 106.5
4-chlorocarbendazole chemical structure
Custom Synthesis

4-chlorocarbendazole

CAT No. CS-O-16730
CAS No. 55214-28-3
Category Impurity
Parent API
Formula C9H8ClN3O2
Mol. Wt. 225.63
4-Chloroclomiphene E Isomer chemical structure
Custom Synthesis

4-Chloroclomiphene E Isomer

CAT No. CS-EO-01870
CAS No. -
Category Impurity
Parent API Clomiphene
Formula C26H27Cl2NO
Mol. Wt. 440.4
4-Chloroclomiphene Mixture of E & Z Isomer chemical structure
Custom Synthesis

4-Chloroclomiphene Mixture of E & Z Isomer

CAT No. CS-EO-01890
CAS No. -
Category Impurity
Parent API Clomiphene
Formula C26H27Cl2NO
Mol. Wt. 440.4
4-Chloroclomiphene Z Isomer chemical structure
Custom Synthesis

4-Chloroclomiphene Z Isomer

CAT No. CS-EO-02190
CAS No. -
Category Impurity
Parent API Chloroclomiphene
Formula C26H27Cl2NO
Mol. Wt. 440.4
4-Chloro-L-tryptophan chemical structure
Custom Synthesis

4-Chloro-L-tryptophan

CAT No. CS-O-57884
CAS No. 52448-14-3
Category Impurity
Parent API L-tryptophan
Formula C11H11ClN2O2
Mol. Wt. 238.67

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.