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

Impurity Products

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

Showing 9769-9792 of 27565 products
4-amino-N-(4-carbamimidoylphenyl)benzimidamide chemical structure
Custom Synthesis

4-amino-N-(4-carbamimidoylphenyl)benzimidamide

CAT No. CS-O-57714
CAS No.
Category Impurity
Parent API Dabigatran
Formula C14H15N5
Mol. Wt. 253.30
4-Amino-N-cyclohexylpiperidine-1-carboxamide hydrochloride chemical structure
Custom Synthesis

4-Amino-N-cyclohexylpiperidine-1-carboxamide hydrochloride

CAT No. CS-M-25064
CAS No. 1158602-24-4
Category Impurity
Parent API
Formula -
Mol. Wt.
4-Amino-N-ethyl-(2-hydroxyethyl)-pentylamine chemical structure
Custom Synthesis

4-Amino-N-ethyl-(2-hydroxyethyl)-pentylamine

CAT No. CS-U-00058
CAS No. 69559-11-1
Category Impurity
Parent API Chloroquine
Formula C9H22N2O
Mol. Wt. 174.3
4-Amino-N-phenylpiperidine-1-carboxamide hydrochloride chemical structure
Custom Synthesis

4-Amino-N-phenylpiperidine-1-carboxamide hydrochloride

CAT No. CS-M-25062
CAS No. 937602-01-2
Category Impurity
Parent API
Formula -
Mol. Wt.
4-Aminophenol chemical structure
Custom Synthesis

4-Aminophenol

CAT No. CS-O-31123-1GM
CAS No. 123-30-8
Category Impurity
Parent API Mesalazine
Formula C6H7NO
Mol. Wt. 109.13
4-Aminophenol chemical structure
Custom Synthesis

4-Aminophenol

CAT No. CS-O-31123-25GM
CAS No. 123-30-8
Category Impurity
Parent API Mesalazine
Formula C6H7NO
Mol. Wt. 109.13
4-Aminophenol Pestanal chemical structure
Custom Synthesis

4-Aminophenol Pestanal

CAT No. CS-O-16778-1GM
CAS No. 123-30-8
Category Impurity
Parent API Mesalazine
Formula C6H7NO
Mol. Wt. 109.13
4-Aminophenol, ≥98% chemical structure
Custom Synthesis

4-Aminophenol, ≥98%

CAT No. CS-O-16778-5GM
CAS No. 123-30-8
Category Impurity
Parent API Aminophenol
Formula C6H7NO
Mol. Wt. 109.13
4-ANDROSTEN-11a-OL-3, 17-DIONE chemical structure
Custom Synthesis

4-ANDROSTEN-11a-OL-3, 17-DIONE

CAT No. CS-V-00008
CAS No. 564-33-0
Category Impurity
Parent API
Formula -
Mol. Wt.
4-ANDROSTEN-16-β, 17-β-DIOL-3-ONE chemical structure
Custom Synthesis

4-ANDROSTEN-16-β, 17-β-DIOL-3-ONE

CAT No. CS-V-00012
CAS No. 17528-90-4
Category Impurity
Parent API
Formula -
Mol. Wt.
4-Androsten-3-Beta-ol-17-one chemical structure
Custom Synthesis

4-Androsten-3-Beta-ol-17-one

CAT No. CS-O-41543
CAS No. 571-44-8
Category Impurity
Parent API Exemestane
Formula C19H28O2
Mol. Wt. 288.42
4-Azidobutyrate-N-hydroxysuccinimide ester chemical structure
Custom Synthesis

4-Azidobutyrate-N-hydroxysuccinimide ester

CAT No. CS-DL-00767
CAS No. 943858-70-6
Category Impurity
Parent API
Formula -
Mol. Wt.
4-Azido-L-phenylalanine chemical structure
Custom Synthesis

4-Azido-L-phenylalanine

CAT No. CS-T-04663
CAS No. 33173-53-4
Category Impurity
Parent API Phenylalanine
Formula C9H10N4O2
Mol. Wt. 206.20
4-Benzhydryl-1-piperazineethanol Dihydrochloride chemical structure
Custom Synthesis

4-Benzhydryl-1-piperazineethanol Dihydrochloride

CAT No. CS-T-48648
CAS No. 108983-83-1
Category Impurity
Parent API Cetirizine
Formula C19H26Cl2N2O
Mol. Wt. 369.33
4-Benzoylmorpholine chemical structure
Custom Synthesis

4-Benzoylmorpholine

CAT No. CS-DL-00806
CAS No. 1468-28-6
Category Impurity
Parent API
Formula -
Mol. Wt.
4-Benzyl-2,3-morpholinedione chemical structure
Custom Synthesis

4-Benzyl-2,3-morpholinedione

CAT No. CS-T-06089
CAS No. 110843-90-8
Category Impurity
Parent API
Formula -
Mol. Wt.
4-Benzyl-4-piperidinol chemical structure
Custom Synthesis

4-Benzyl-4-piperidinol

CAT No. CS-T-06284
CAS No. 51135-96-7
Category Impurity
Parent API
Formula -
Mol. Wt.
4-Benzylamino-2-hydroxypyrimidine chemical structure
Custom Synthesis

4-Benzylamino-2-hydroxypyrimidine

CAT No. CS-O-53115
CAS No. 5785-16-0
Category Impurity
Parent API -
Formula C11H11N3O
Mol. Wt. 201.22
4-Benzyloxy-3-hydroxyphenylacetic Acid chemical structure
Custom Synthesis

4-Benzyloxy-3-hydroxyphenylacetic Acid

CAT No. CS-T-06003
CAS No. 28988-68-3
Category Impurity
Parent API
Formula -
Mol. Wt.
4-Benzyloxy-3-nitroacetophenone chemical structure
Custom Synthesis

4-Benzyloxy-3-nitroacetophenone

CAT No. CS-T-06114
CAS No. 14347-05-8
Category Impurity
Parent API Acetophenone
Formula C15H13NO4
Mol. Wt. 271.3
4-Benzyloxy-5-methoxy-2-nitrotoluene chemical structure
Custom Synthesis

4-Benzyloxy-5-methoxy-2-nitrotoluene

CAT No. CS-T-06030
CAS No. 121086-26-8
Category Impurity
Parent API
Formula -
Mol. Wt.
4-Benzyloxyindole chemical structure
Custom Synthesis

4-Benzyloxyindole

CAT No. CS-T-05901
CAS No. 20289-26-3
Category Impurity
Parent API
Formula C15H13NO
Mol. Wt. 223.27 g/mol
4-Benzyloxyphenylacetic Acid chemical structure
Custom Synthesis

4-Benzyloxyphenylacetic Acid

CAT No. CS-T-06188
CAS No. 6547-53-1
Category Impurity
Parent API
Formula -
Mol. Wt.
4-Benzyloxy-piperidine hydrochloride chemical structure
Custom Synthesis

4-Benzyloxy-piperidine hydrochloride

CAT No. CS-M-09309
CAS No. 81151-68-0
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.