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 [email protected]

Impurity Products

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

Showing 22129-22152 of 27558 products
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
Opicapone Impurity 3 chemical structure
Custom Synthesis

Opicapone Impurity 3

CAT No. CS-O-57031
CAS No. 1402714-31-1
Category Impurity
Parent API Opicapone
Formula C15H11ClN4O7
Mol. Wt. 394.7
O-Propyl Naloxone Enolether chemical structure
Custom Synthesis

O-Propyl Naloxone Enolether

CAT No. CS-O-40470
CAS No.
Category Impurity
Parent API Naloxone
Formula C22H27NO4
Mol. Wt. 369.45
Orbifloxacin EP Impurity A chemical structure
Custom Synthesis

Orbifloxacin EP Impurity A

CAT No. CS-EO-02151
CAS No.
Category Impurity
Parent API Orbifloxacin
Formula C25H33F2N5O3
Mol. Wt. 489.56
Orbifloxacin EP Impurity C chemical structure
Custom Synthesis

Orbifloxacin EP Impurity C

CAT No. CS-O-33459
CAS No. 126457-99-6
Category Impurity
Parent API Orbifloxacin
Formula C19H21F2N3O3
Mol. Wt. 377.4
Orciprenaline EP Impurity A chemical structure
Custom Synthesis

Orciprenaline EP Impurity A

CAT No. CS-O-13548
CAS No. 70988-89-5
Category Impurity
Parent API Orciprenaline
Formula C12H17NO3
Mol. Wt. 223.27
Orciprenaline EP Impurity B chemical structure
Custom Synthesis

Orciprenaline EP Impurity B

CAT No. CS-O-13549
CAS No. 94200-14-3
Category Impurity
Parent API Orciprenaline
Formula C11H15NO3
Mol. Wt. 209.3
Orforglipron (S,S,S,R) Isomer chemical structure
Custom Synthesis

Orforglipron (S,S,S,R) Isomer

CAT No. CS-O-66254
CAS No. 3094420-45-5
Category Impurity
Parent API
Formula C48H48F2N10O5
Mol. Wt. 882.97 g/mol

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.