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 23689-23712 of 27540 products
All In Stock Custom Synthesis
rac N-Propyl-2-cyanimidopyrrolidine-5-acetic Acid chemical structure
Custom Synthesis

rac N-Propyl-2-cyanimidopyrrolidine-5-acetic Acid

CAT No. CS-T-60833
CAS No. 1246833-75-9
Category Impurity
Parent API Pramipexole
Formula C10H15N3O2
Mol. Wt. 209.2
rac O-Demethyl Ambrisentan chemical structure
Custom Synthesis

rac O-Demethyl Ambrisentan

CAT No. CS-T-96053
CAS No. 1106685-85-1
Category Impurity
Parent API Ambrisentan
Formula C21H20N2O4
Mol. Wt. 364.40
Rac- Oseltamivir hydroxymethyl furan chemical structure
Custom Synthesis

Rac- Oseltamivir hydroxymethyl furan

CAT No. CS-O-52358
CAS No. -
Category Impurity
Parent API Oseltamivir
Formula C22H32N2O6
Mol. Wt. 420.50
Rac -Pravastatin Impurity 3 chemical structure
Custom Synthesis

Rac -Pravastatin Impurity 3

CAT No. CS-O-52487
CAS No. -
Category Impurity
Parent API Pravastatin
Formula C23H32O5
Mol. Wt. 388.50
rac Ramelteon chemical structure
Custom Synthesis

rac Ramelteon

CAT No. CS-T-61054
CAS No. 196597-17-8
Category Impurity
Parent API Ramelteon
Formula C16H21NO2
Mol. Wt. 259.3
Rac Safinamide chemical structure
Custom Synthesis

Rac Safinamide

CAT No. CS-O-47333
CAS No. 133866-14-5
Category Impurity
Parent API Safinamide
Formula C17H19FN2O2
Mol. Wt. 302.35
Rac Sertraline EP Impurity B chemical structure
Custom Synthesis

Rac Sertraline EP Impurity B

CAT No. CS-O-41270
CAS No. 62137-24-0
Category Impurity
Parent API Sertraline
Formula C17H19N
Mol. Wt. 237.35
rac trans-Lafutidine chemical structure
Custom Synthesis

rac trans-Lafutidine

CAT No. CS-T-30810
CAS No. 206449-94-7
Category Impurity
Parent API Lafutidine
Formula C22H29N3O4S
Mol. Wt. 431.6
rac-​trans-​3-​Dechloro Sertraline chemical structure
Custom Synthesis

rac-​trans-​3-​Dechloro Sertraline

CAT No. CS-O-42906
CAS No. 107538-97-6
Category Impurity
Parent API Sertraline
Formula C17H18ClN
Mol. Wt. 271.78
rac-(1R,2R)-2-fluorocyclopropan-1-amine chemical structure
Custom Synthesis

rac-(1R,2R)-2-fluorocyclopropan-1-amine

CAT No. CS-O-54292
CAS No. 151679-93-5
Category Impurity
Parent API -
Formula C3H6FN
Mol. Wt. 75.08
rac-(3R,5S)-3-(Hydroxymethyl)-5-isopropylmorpholine-3-carbonitrile chemical structure
Custom Synthesis

rac-(3R,5S)-3-(Hydroxymethyl)-5-isopropylmorpholine-3-carbonitrile

CAT No. CS-EM-02912
CAS No. 1556097-94-9
Category Impurity
Parent API
Formula -
Mol. Wt.
rac-(3R,5S)-3-(Hydroxymethyl)-5-phenylmorpholine-3-carbonitrile chemical structure
Custom Synthesis

rac-(3R,5S)-3-(Hydroxymethyl)-5-phenylmorpholine-3-carbonitrile

CAT No. CS-EM-03361
CAS No. 1823973-57-4
Category Impurity
Parent API
Formula -
Mol. Wt.
rac-(3R,5S)-5-Benzyl-3-(hydroxymethyl)morpholine-3-carbonitrile chemical structure
Custom Synthesis

rac-(3R,5S)-5-Benzyl-3-(hydroxymethyl)morpholine-3-carbonitrile

CAT No. CS-EM-03609
CAS No. 1556097-88-1
Category Impurity
Parent API
Formula -
Mol. Wt.
rac-(3R,5S)-5-Butyl-3-(hydroxymethyl)morpholine-3-carbonitrile chemical structure
Custom Synthesis

rac-(3R,5S)-5-Butyl-3-(hydroxymethyl)morpholine-3-carbonitrile

CAT No. CS-EM-03585
CAS No. 1823572-95-7
Category Impurity
Parent API
Formula -
Mol. Wt.
rac-(4E,6E)-5-Dehydroxy Rosuvastatin chemical structure
Custom Synthesis

rac-(4E,6E)-5-Dehydroxy Rosuvastatin

CAT No. CS-T-73158
CAS No. 1346606-44-7
Category Impurity
Parent API Rosuvastatin
Formula -
Mol. Wt.
rac-(4R)-4,6-Dihydroxy-2-methyl-1,2,3,4-tetrahydroisoquinoline-1-carboxylic Acid-D3 (Impurity) chemical structure
Custom Synthesis

rac-(4R)-4,6-Dihydroxy-2-methyl-1,2,3,4-tetrahydroisoquinoline-1-carboxylic Acid-D3 (Impurity)

CAT No. CS-T-97584
CAS No.
Category Impurity
Parent API
Formula C11H10D3NO4
Mol. Wt. 226.24
rac,cis-Milnacipran Hydrochloride chemical structure
Custom Synthesis

rac,cis-Milnacipran Hydrochloride

CAT No. CS-T-83062
CAS No. 165259-91-6
Category Impurity
Parent API Milnacipran
Formula C16H24N2O : HCl
Mol. Wt. 260.4 : 36.5
rac,trans-Milnacipran Hydrochloride chemical structure
Custom Synthesis

rac,trans-Milnacipran Hydrochloride

CAT No. CS-T-83049
CAS No. 105310-47-2
Category Impurity
Parent API Milnacipran
Formula C15H22N2O
Mol. Wt. 246.4
rac-11-epi-Misoprostol chemical structure
Custom Synthesis

rac-11-epi-Misoprostol

CAT No. CS-T-83079
CAS No. 58717-36-5
Category Impurity
Parent API Misoprostol
Formula -
Mol. Wt.
rac-2,2,6,6-Tetramethylpiperidine-N-oxyl-4, 4-(5-spirohydantoin) chemical structure
Custom Synthesis

rac-2,2,6,6-Tetramethylpiperidine-N-oxyl-4, 4-(5-spirohydantoin)

CAT No. CS-T-43991
CAS No. 15871-56-4
Category Impurity
Parent API
Formula -
Mol. Wt.
rac-2,3-Dehydro-3,4-dihydro Ivermectin chemical structure
Custom Synthesis

rac-2,3-Dehydro-3,4-dihydro Ivermectin

CAT No. CS-T-51709
CAS No. 1135339-49-9
Category Impurity
Parent API Ivermectin
Formula C48H74O14
Mol. Wt. 875.09
rac-2’,4’,5’-Trimethyl Ketoprofen chemical structure
Custom Synthesis

rac-2’,4’,5’-Trimethyl Ketoprofen

CAT No. CS-T-87635
CAS No. 1797984-80-5
Category Impurity
Parent API Ketoprofen
Formula C19H20O3
Mol. Wt. 296.36
Rac-2-hydroxyethyl Indacaterol (Regio isomer) chemical structure
Custom Synthesis

Rac-2-hydroxyethyl Indacaterol (Regio isomer)

CAT No. CS-O-52699
CAS No. 2226428-25-5
Category Impurity
Parent API Indacaterol
Formula C24H28N2O3
Mol. Wt. 392.49
rac-3,4-Dimethyl Methcathinone Hydrochloride chemical structure
Custom Synthesis

rac-3,4-Dimethyl Methcathinone Hydrochloride

CAT No. CS-T-30634
CAS No. 1081772-06-6
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.