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 22105-22128 of 27541 products
All In Stock Custom Synthesis
OMJ2 Ethyl Impurity chemical structure
Custom Synthesis

OMJ2 Ethyl Impurity

CAT No. CS-O-34371
CAS No. 144691-13-4
Category Impurity
Parent API
Formula C47H42N6O6
Mol. Wt. 786.87
O-Mono Acetyl Fluorescein chemical structure
Custom Synthesis

O-Mono Acetyl Fluorescein

CAT No. CS-EO-03267
CAS No. 1104-16-1
Category Impurity
Parent API Fluorescein
Formula C22H14O6
Mol. Wt. 374.3
Ondansetron EP Impurity C Hydrochloride chemical structure
Custom Synthesis

Ondansetron EP Impurity C Hydrochloride

CAT No. CS-O-40271
CAS No. 27387-31-1 (Freebase)
Category Impurity
Parent API Ondansetron
Formula C13H14ClNO
Mol. Wt. 235.71
Ondansetron EP Impurity G HCl chemical structure
Custom Synthesis

Ondansetron EP Impurity G HCl

CAT No. CS-O-51805
CAS No. 99614-04-07
Category Impurity
Parent API Ondansetron
Formula C17H18ClN3O
Mol. Wt. 315.8
Ondansetron hydroxy Impurity chemical structure
Custom Synthesis

Ondansetron hydroxy Impurity

CAT No. CS-O-52598
CAS No. -
Category Impurity
Parent API Ondansetron
Formula C18H19N3O2
Mol. Wt. 309.36
Ondansetron Impurity 8 chemical structure
Custom Synthesis

Ondansetron Impurity 8

CAT No. CS-T-95905
CAS No. 1365727-09-8
Category Impurity
Parent API ondansetron
Formula C29H26N2O2
Mol. Wt. 434.53
Ondansetron Impurity 9 chemical structure
Custom Synthesis

Ondansetron Impurity 9

CAT No. CS-O-63920
CAS No. -
Category Impurity
Parent API Ondansetron
Formula C18H20N3O2
Mol. Wt. 310.38
Ondansetron impurity A (Y0001345) chemical structure
Custom Synthesis

Ondansetron impurity A (Y0001345)

CAT No. CS-EG-00508
CAS No. 103639-04-9
Category Impurity
Parent API Ondansetron
Formula C18H24ClN3O3
Mol. Wt. 365.85
Ondansetron impurity A(Secondary Standards traceble to EP) chemical structure
Custom Synthesis

Ondansetron impurity A(Secondary Standards traceble to EP)

CAT No. CS-ER-02792
CAS No. 103639-04-9
Category Impurity
Parent API Ondansetron
Formula C18H24ClN3O3
Mol. Wt. 365.85
Ondansetron Impurity B-d6 chemical structure
Custom Synthesis

Ondansetron Impurity B-d6

CAT No. CS-T-101120
CAS No. 1076198-52-1 (Unlabelled)
Category Impurity
Parent API Ondansetron
Formula C37H32D6N6O2
Mol. Wt. 604.77
Ondansetron Resolution Mixture chemical structure
Custom Synthesis

Ondansetron Resolution Mixture

CAT No. CS-O-35452
CAS No. -
Category Impurity
Parent API Ondansetron
Formula C71H83Cl2N11O6
Mol. Wt. 1257.39
Ondansetron resolution Mixture RS (Ondansetron HCl and Ondansetron RC A) chemical structure
Custom Synthesis

Ondansetron resolution Mixture RS (Ondansetron HCl and Ondansetron RC A)

CAT No. CS-O-57962
CAS No. 99614-01-4 + 119812-29-2
Category Impurity
Parent API Ondansetron
Formula C34H41Cl2N5O2
Mol. Wt. 622.63
Onjisaponin B chemical structure
Custom Synthesis

Onjisaponin B

CAT No. CS-BS-00196
CAS No. 35906-36-6
Category Impurity
Parent API
Formula -
Mol. Wt.
ONT 993 chemical structure
Custom Synthesis

ONT 993

CAT No. CS-O-44836
CAS No. 937263-81-5
Category Impurity
Parent API -
Formula C26H24N8O3
Mol. Wt. 496.52
Open Ring N-Methyl Clopidogrel Hydrochloride chemical structure
Custom Synthesis

Open Ring N-Methyl Clopidogrel Hydrochloride

CAT No. CS-O-49014
CAS No. 1346605-15-9 (Freebase)
Category Impurity
Parent API Clopidogrel
Formula C16H19Cl2NO2S
Mol. Wt. 360.29
Open-ring desulfated aztreonam chemical structure
Custom Synthesis

Open-ring desulfated aztreonam

CAT No. CS-ED-01441
CAS No. -
Category Impurity
Parent API Aztreonam
Formula C13H19N5O6S
Mol. Wt. 373.39
Ophiobolin H chemical structure
Custom Synthesis

Ophiobolin H

CAT No. CS-O-57807
CAS No. 90108-64-8
Category Impurity
Parent API Ophiobolin
Formula C25H38O3
Mol. Wt. 386.57
Ophiobolin U chemical structure
Custom Synthesis

Ophiobolin U

CAT No. CS-O-57628
CAS No.
Category Impurity
Parent API Ophiobolin
Formula C25H38O3
Mol. Wt. 386.57
Ophthazin Impurity 1 chemical structure
Custom Synthesis

Ophthazin Impurity 1

CAT No. CS-T-55711
CAS No. 649765-80-0
Category Impurity
Parent API Hydralazine
Formula C8H9N5
Mol. Wt. 175.2
Opicapone Impurity 1 chemical structure
Custom Synthesis

Opicapone Impurity 1

CAT No. CS-O-48211
CAS No. 1391712-50-7
Category Impurity
Parent API Opicapone
Formula C16H12Cl2N4O5
Mol. Wt. 411.2
Opicapone Impurity 11 chemical structure
Custom Synthesis

Opicapone Impurity 11

CAT No. CS-O-48213
CAS No. 874518-62-4
Category Impurity
Parent API Opicapone
Formula C10H10O5
Mol. Wt. 210.18
Opicapone Impurity 15 chemical structure
Custom Synthesis

Opicapone Impurity 15

CAT No. CS-O-62893
CAS No. 1402714-41-3
Category Impurity
Parent API Opicapone
Formula C16H12Cl2N4O6
Mol. Wt. 427.19
Opicapone Impurity 17 chemical structure
Custom Synthesis

Opicapone Impurity 17

CAT No. CS-O-48212
CAS No. 952091-17-7
Category Impurity
Parent API Opicapone
Formula C15H10Cl2N4O5
Mol. Wt. 397.17
Opicapone Impurity 25 chemical structure
Custom Synthesis

Opicapone Impurity 25

CAT No. CS-O-61485
CAS No. 2356241-51-3
Category Impurity
Parent API Opicapone
Formula C17H14Cl2N4O6
Mol. Wt. 441.22

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.