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 23785-23808 of 27540 products
All In Stock Custom Synthesis
rac-N-Formylamphetamine chemical structure
Custom Synthesis

rac-N-Formylamphetamine

CAT No. CS-TB-59609
CAS No. 22148-75-0
Category Impurity
Parent API Amphetamine
Formula C10H13NO
Mol. Wt. 163.22 g/mol
rac-Niraparib chemical structure
Custom Synthesis

rac-Niraparib

CAT No. CS-O-60074
CAS No. 1038915-75-1
Category Impurity
Parent API Niraparib
Formula C19H20N4O
Mol. Wt. 320.39
rac-N-Methyl Paroxetine chemical structure
Custom Synthesis

rac-N-Methyl Paroxetine

CAT No. CS-O-49267
CAS No. 315197-83-2
Category Impurity
Parent API Paroxetine
Formula C20H22FNO3
Mol. Wt. 343.4
rac-N-Methyl-Laudanosine Iodide chemical structure
Custom Synthesis

rac-N-Methyl-Laudanosine Iodide

CAT No. CS-T-80593
CAS No. 24948-17-2
Category Impurity
Parent API
Formula -
Mol. Wt.
Rac-Palonosetron open ring impurity chemical structure
Custom Synthesis

Rac-Palonosetron open ring impurity

CAT No. CS-O-47097
CAS No. 177793-82-7 (Freebase)
Category Impurity
Parent API Palonosetron
Formula C18H28Cl2N2
Mol. Wt. 343.33
Rac-Pelubiprofen chemical structure
Custom Synthesis

Rac-Pelubiprofen

CAT No. CS-O-48951
CAS No. 344338-25-6
Category Impurity
Parent API Pelubiprofen
Formula C16H18O3
Mol. Wt. 258.32
Rac-Pregabalin Amide dimer chemical structure
Custom Synthesis

Rac-Pregabalin Amide dimer

CAT No. CS-T-103276
CAS No. 1486961-58-3
Category Impurity
Parent API Pregabalin
Formula C16H32N2O3
Mol. Wt. 300.44
rac-Pregabalin N-Acrylamide chemical structure
Custom Synthesis

rac-Pregabalin N-Acrylamide

CAT No. CS-T-84110
CAS No. 1495844-28-4
Category Impurity
Parent API Pregabalin
Formula -
Mol. Wt.
Rac-Rasagiline Hydroxy impurity chemical structure
Custom Synthesis

Rac-Rasagiline Hydroxy impurity

CAT No. CS-O-46750
CAS No. -
Category Impurity
Parent API Rasagiline
Formula C12H13NO
Mol. Wt. 187.24
Rac-Rasagiline N,N-diynyl impurity chemical structure
Custom Synthesis

Rac-Rasagiline N,N-diynyl impurity

CAT No. CS-O-46751
CAS No. -
Category Impurity
Parent API Rasagiline
Formula C20H17N
Mol. Wt. 271.36
Rac-Rivaroxaban Diphthalimido Morpholinone Analog chemical structure
Custom Synthesis

Rac-Rivaroxaban Diphthalimido Morpholinone Analog

CAT No. CS-O-53024
CAS No. 1642600-99-4
Category Impurity
Parent API Rivaroxaban
Formula C32H30N4O8
Mol. Wt. 598.60
Rac-Rivastigmine chemical structure
Custom Synthesis

Rac-Rivastigmine

CAT No. CS-ZH-28758
CAS No. 105601-20-5
Category Impurity
Parent API Rivastigmine
Formula C14H22N2O2
Mol. Wt. 250.34 g/mol
Rac-Rosuvastatin tert-butyl ester chemical structure
Custom Synthesis

Rac-Rosuvastatin tert-butyl ester

CAT No. CS-O-46666
CAS No. 1005003-79-1
Category Impurity
Parent API Rosuvastatin
Formula C26H36FN3O6S
Mol. Wt. 537.6
Rac-Ruxolitinib 5,6-dihydroxyimpurity chemical structure
Custom Synthesis

Rac-Ruxolitinib 5,6-dihydroxyimpurity

CAT No. CS-O-57196
CAS No. 1289219-47-1
Category Impurity
Parent API Ruxolitinib
Formula C17H20N6O2
Mol. Wt. 340.38
Rac-Ruxolitinib 5-oxo-impurity chemical structure
Custom Synthesis

Rac-Ruxolitinib 5-oxo-impurity

CAT No. CS-O-57195
CAS No. 1289218-88-7
Category Impurity
Parent API Ruxolitinib
Formula C17H18N6O
Mol. Wt. 322.36
Rac-Ruxolitinib 6-amino-4-pyrimidinyl impurity chemical structure
Custom Synthesis

Rac-Ruxolitinib 6-amino-4-pyrimidinyl impurity

CAT No. CS-O-57194
CAS No.
Category Impurity
Parent API Ruxolitinib
Formula C15H18N6
Mol. Wt. 282.34
Rac-Ruxolitinib 6-hydroxy-5-oxo-impurity chemical structure
Custom Synthesis

Rac-Ruxolitinib 6-hydroxy-5-oxo-impurity

CAT No. CS-O-57193
CAS No. 1289219-34-6
Category Impurity
Parent API Ruxolitinib
Formula C17H18N6O2
Mol. Wt. 338.36
Rac-Ruxolitinib Acid impurity chemical structure
Custom Synthesis

Rac-Ruxolitinib Acid impurity

CAT No. CS-O-39659
CAS No. 3016399-21-3
Category Impurity
Parent API Ruxolitinib
Formula C17H19N5O2
Mol. Wt. 325.37
Rac-Ruxolitinib N-acetylymethyl impurity chemical structure
Custom Synthesis

Rac-Ruxolitinib N-acetylymethyl impurity

CAT No. CS-O-48151
CAS No.
Category Impurity
Parent API Ruxolitinib
Formula C20H23N7O
Mol. Wt. 377.45
Rac-Ruxolitinib N-Hydroxymethyl Impurity chemical structure
Custom Synthesis

Rac-Ruxolitinib N-Hydroxymethyl Impurity

CAT No. CS-O-48150
CAS No.
Category Impurity
Parent API Ruxolitinib
Formula C18H20N6O
Mol. Wt. 336.39
rac-Sarolaner chemical structure
Custom Synthesis

rac-Sarolaner

CAT No. CS-O-64503
CAS No. 1398609-86-3
Category Impurity
Parent API Sarolaner
Formula C23H18Cl2F4N2O5S
Mol. Wt. 581.36
rac-Sertraline Impurity C chemical structure
Custom Synthesis

rac-Sertraline Impurity C

CAT No. CS-O-62282
CAS No. 264281-24-5
Category Impurity
Parent API Sertraline
Formula C17H18ClN
Mol. Wt. 271.79
Rac-Silodosin Dehydro Impurity chemical structure
Custom Synthesis

Rac-Silodosin Dehydro Impurity

CAT No. CS-O-61051
CAS No. 1894189-29-7
Category Impurity
Parent API Silodosin
Formula C25H30F3N3O4
Mol. Wt. 493.52
rac-syn N,N-Diethyl Norephedrine chemical structure
Custom Synthesis

rac-syn N,N-Diethyl Norephedrine

CAT No. CS-T-52816
CAS No. 34154-81-9
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.