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 20017-20040 of 27559 products
Mesteralone EP Impurity A chemical structure
Custom Synthesis

Mesteralone EP Impurity A

CAT No. CS-EN-00044
CAS No. 604-26-2
Category Impurity
Parent API Mesterolone
Formula C20H30O2
Mol. Wt. 302.5
Mesterolone EP Impurity B chemical structure
Custom Synthesis

Mesterolone EP Impurity B

CAT No. CS-O-58166
CAS No. 4011-44-3
Category Impurity
Parent API Mesterolone
Formula C20H34O2
Mol. Wt. 306.48
Mesterolone EP Impurity C chemical structure
Custom Synthesis

Mesterolone EP Impurity C

CAT No. CS-O-64700
CAS No. -
Category Impurity
Parent API Mesterolone
Formula C20H30O2
Mol. Wt. 302.45
Meta bromo Bromfenac Impurity chemical structure
Custom Synthesis

Meta bromo Bromfenac Impurity

CAT No. CS-O-45520
CAS No. -
Category Impurity
Parent API Bromfenac
Formula C15H11BrNNaO3
Mol. Wt. 356.15
Meta hydroxy Doxycycline Impurity chemical structure
Custom Synthesis

Meta hydroxy Doxycycline Impurity

CAT No. CS-O-53176
CAS No.
Category Impurity
Parent API Doxycycline
Formula C22H24N2O9
Mol. Wt. 460.43
Metabolite 4'-desethyl-drotaveraldine chemical structure
Custom Synthesis

Metabolite 4'-desethyl-drotaveraldine

CAT No. CS-O-63720
CAS No. -
Category Impurity
Parent API Drotaveraldine
Formula C22H27NO5
Mol. Wt. 385.46
Metacycline chemical structure
Custom Synthesis

Metacycline

CAT No. CS-O-01875
CAS No. 914-00-1
Category Impurity
Parent API Methacycline
Formula C22H22N2O8
Mol. Wt. 442.42
meta-Fexofenadine Hydrochloride chemical structure
Custom Synthesis

meta-Fexofenadine Hydrochloride

CAT No. CS-T-93671
CAS No. 479035-75-1 (Free Base)
Category Impurity
Parent API Fexofenadine
Formula C32H40ClNO4
Mol. Wt. 538.12
Metamizole EP Impurity C-d3 hydrochloride chemical structure
Custom Synthesis

Metamizole EP Impurity C-d3 hydrochloride

CAT No. CS-O-58482
CAS No. 856307-27-2 (Unlabeled)
Category Impurity
Parent API Metamizole
Formula C12H13D3ClN3O
Mol. Wt. 256.75
Metamizole EP Impurity E chemical structure
Custom Synthesis

Metamizole EP Impurity E

CAT No. CS-O-15802
CAS No. 117-38-4
Category Impurity
Parent API Metamizole
Formula C12H15N3O4S
Mol. Wt. 297.33
Metamizole Hemi Magnesium chemical structure
Custom Synthesis

Metamizole Hemi Magnesium

CAT No. CS-O-61133
CAS No. 6150-97-6
Category Impurity
Parent API Metamizole
Formula C26H34MgN6O8S2
Mol. Wt. 647.02
Metamizole Impurity 1 chemical structure
Custom Synthesis

Metamizole Impurity 1

CAT No. CS-O-56463
CAS No. 106236-80-0
Category Impurity
Parent API Metamizole
Formula C11H11N3O2
Mol. Wt. 217.22
Metamizole Impurity 11 chemical structure
Custom Synthesis

Metamizole Impurity 11

CAT No. CS-O-43989
CAS No. 2365289-85-4
Category Impurity
Parent API Metamizole
Formula C12H13N3O2S2
Mol. Wt. 295.4
Metamizole Impurity 17 chemical structure
Custom Synthesis

Metamizole Impurity 17

CAT No. CS-O-65573
CAS No. -
Category Impurity
Parent API Metamizole
Formula C24H35N3O11
Mol. Wt. 541.6
Metamizole Impurity 18 Disodium Salt chemical structure
Custom Synthesis

Metamizole Impurity 18 Disodium Salt

CAT No. CS-O-65538
CAS No. -
Category Impurity
Formula C13H15N3O7S2·2Na
Mol. Wt. 389.40 g/mol
Metamizole Impurity 20 chemical structure
Custom Synthesis

Metamizole Impurity 20

CAT No. CS-O-65537
CAS No.
Category Impurity
Parent API Metamizole
Formula C17H22N4O2
Mol. Wt. 314.39
Metamizole Impurity 3 chemical structure
Custom Synthesis

Metamizole Impurity 3

CAT No. CS-EO-02758
CAS No. -
Category Impurity
Parent API Metamizole
Formula C13H15N3O7S22 : 2(Na)
Mol. Wt. 389.4 : 2(23.0)
Metamizole Impurity 4 chemical structure
Custom Synthesis

Metamizole Impurity 4

CAT No. CS-P-08997
CAS No. 62902-13-0
Category Impurity
Parent API Metamizole
Formula C13H17N3O2
Mol. Wt. 247.30
Metamizole Impurity 5 chemical structure
Custom Synthesis

Metamizole Impurity 5

CAT No. CS-O-56464
CAS No. 810-16-2
Category Impurity
Parent API Metamizole
Formula C25H30N6O2
Mol. Wt. 446.54
Metamizole Impurity 9 chemical structure
Custom Synthesis

Metamizole Impurity 9

CAT No. CS-EO-01794
CAS No.
Category Impurity
Parent API Metamizole
Formula C13H17N3O7S2
Mol. Wt. 391.42
Metamizole Impurity 9 sodium salt chemical structure
Custom Synthesis

Metamizole Impurity 9 sodium salt

CAT No. CS-O-65504
CAS No.
Category Impurity
Parent API Metamizole
Formula C13H15N3Na2O7S2
Mol. Wt. 435.38 g/mol
Metamizole Impurity C Sulfate salt chemical structure
Custom Synthesis

Metamizole Impurity C Sulfate salt

CAT No. CS-O-46018
CAS No. 519-98-2 (Freebase)
Category Impurity
Parent API Metamizole
Formula C12H17N3O5S
Mol. Wt. 315.34
Metamizole Impurity D chemical structure
Custom Synthesis

Metamizole Impurity D

CAS No. 58-15-1
Category Impurity
Parent API -
Formula C13H17N3O
Mol. Wt. 231.29
Metamizole-2-oxopyrrolidin impurity chemical structure
Custom Synthesis

Metamizole-2-oxopyrrolidin impurity

CAT No. CS-O-59825
CAS No.
Category Impurity
Parent API Metamizole
Formula C17H22N4O2
Mol. Wt. 314.38

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.