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 2473-2496 of 27540 products
All In Stock Custom Synthesis
Febuxostat t-Butyl Ether Acid Impurity chemical structure
Custom Synthesis

Febuxostat t-Butyl Ether Acid Impurity

CAT No. CS-EO-02199
CAS No. 2418591-43-0
Category Impurity
Parent API Febuxostat
Formula C16H16N2O3S
Mol. Wt. 316.40
Febuxostat-Nitro impurity chemical structure
In Stock

Febuxostat-Nitro impurity

CAT No. CS-O-31545
CAS No. 144060-67-3
Category Impurity
Parent API febuxostat
Formula C13H12N2O5S
Mol. Wt. 308.31
Felbinac‑d5 chemical structure
In Stock

Felbinac‑d5

CAT No. CS-O-62210
CAS No. 5728-52-9 (Unlabelled)
Category Impurity
Parent API Felbinac
Formula C14H7D5O2
Mol. Wt. 217.28
Felodipine EP Impurity B chemical structure
In Stock

Felodipine EP Impurity B

CAT No. CS-T-23465
CAS No. 91189-59-2
Category Impurity
Parent API Felodipine
Formula C17H17Cl2NO4
Mol. Wt. 370.23
Felodipine EP Impurity C chemical structure
In Stock

Felodipine EP Impurity C

CAT No. CS-T-59209
CAS No. 79925-38-5
Category Impurity
Parent API Felodipine
Formula C19H21Cl2NO4
Mol. Wt. 398.28
Fenbendazole impurity 1 chemical structure
In Stock

Fenbendazole impurity 1

CAT No. CS-K-00253
CAS No. 53065-28-4
Category Impurity
Parent API Fenbendazole
Formula C13H11N3S
Mol. Wt. 241.34
Fenbendazole Sulfone chemical structure
In Stock

Fenbendazole Sulfone

CAT No. CS-W-00073
CAS No. 54029-20-8
Category Impurity
Parent API Oxfendazole
Formula C15H13N3O4S
Mol. Wt. 331.35
Fenofibrate EP Impurity A chemical structure
In Stock

Fenofibrate EP Impurity A

CAT No. CS-O-30874
CAS No. 42019-78-3
Category Impurity
Parent API Fenofibrate
Formula C13H9ClO2
Mol. Wt. 232.66
Fenofibrate EP Impurity G chemical structure
In Stock

Fenofibrate EP Impurity G

CAT No. CS-T-23519
CAS No. 217636-48-1
Category Impurity
Parent API Fenofibrate
Formula C24H27ClO6
Mol. Wt. 446.92
Fenofibric Acid Ethyl Ester chemical structure
In Stock

Fenofibric Acid Ethyl Ester

CAT No. CS-T-23517
CAS No. 42019-08-9
Category Impurity
Parent API Fenofibrate
Formula C19H19ClO4
Mol. Wt. 346.80
Fenofibric Acid Methyl Ester chemical structure
In Stock

Fenofibric Acid Methyl Ester

CAT No. CS-T-23518
CAS No. 42019-07-8
Category Impurity
Parent API Fenofibrate
Formula C18H17ClO4
Mol. Wt. 332.78
Fenoterol EP Impurity A chemical structure
In Stock

Fenoterol EP Impurity A

CAT No. CS-O-10069
CAS No. 391234-95-0
Category Impurity
Parent API Fenoterol
Formula C17H21NO4
Mol. Wt. 303.35
Fenpipramide chemical structure
In Stock

Fenpipramide

CAT No. CS-T-94517
CAS No. 77-01-0
Category Impurity
Parent API Fenpiverinium
Formula C21H26N2O
Mol. Wt. 322.44
Fentanyl EP Impurity B HCl chemical structure
Custom Synthesis

Fentanyl EP Impurity B HCl

CAT No. CS-O-66567
CAS No. 22352-81-4
Category Impurity
Parent API Fentanyl
Formula C14H21ClN2O
Mol. Wt. 268.78
Fentanyl EP Impurity C chemical structure
Custom Synthesis

Fentanyl EP Impurity C

CAT No. CS-K-00054
CAS No. 3258-84-2
Category Impurity
Parent API Fentanyl
Formula C21H26N2O
Mol. Wt. 322.44
Fentanyl EP Impurity D chemical structure
In Stock

Fentanyl EP Impurity D

CAT No. CS-O-31567
CAS No. 21409-26-7
Category Impurity
Parent API Fentanyl
Formula C19H24N2
Mol. Wt. 280.41
Fentanyl EP Impurity D-d5 (Phenethyl-d5) chemical structure
In Stock

Fentanyl EP Impurity D-d5 (Phenethyl-d5)

CAT No. CS-O-54630
CAS No. 21409-26-7 (Unlabelled)
Category Impurity
Parent API Fentanyl
Formula C19H19D5N2
Mol. Wt. 285.44
Fentanyl Impurity A chemical structure
Custom Synthesis

Fentanyl Impurity A

CAT No. CS-SN-00123
CAS No. 1233011-07-8
Category Impurity
Parent API Fentanyl
Formula C22H28N2O2
Mol. Wt. 352.47
fenticonazole impurity (4-(Phenylthio)benzyl Alcohol) chemical structure
In Stock

fenticonazole impurity (4-(Phenylthio)benzyl Alcohol)

CAT No. CS-T-39749
CAS No. 6317-56-2
Category Impurity
Parent API fenticonazole nitrate
Formula C13H12OS
Mol. Wt. 216.30
Fenticonazole Impurity D chemical structure
In Stock

Fenticonazole Impurity D

CAT No. CS-P-00992
CAS No. 1313397-05-5
Category Impurity
Parent API Fenticonazole Nitrate
Formula C24H21Cl2N3O4S
Mol. Wt. 518.41
Fesoterodine Impurity chemical structure
In Stock

Fesoterodine Impurity

CAT No. CS-T-28298
CAS No. 1292905-33-9
Category Impurity
Parent API Fesoterodine
Formula C17H18O4
Mol. Wt.
Fexafenadine EP Impurity B chemical structure
In Stock

Fexafenadine EP Impurity B

CAT No. CS-T-54703
CAS No. 479035-75-1
Category Impurity
Parent API Fexofenadine
Formula C32H39NO4
Mol. Wt. 501.66
Fexofenadine EP Impurity A chemical structure
In Stock

Fexofenadine EP Impurity A

CAT No. CS-O-03405
CAS No. 76811-98-8
Category Impurity
Parent API Fexofenadine
Formula C32H37NO4
Mol. Wt. 499.64
Fexofenadine EP Impurity C chemical structure
In Stock

Fexofenadine EP Impurity C

CAT No. CS-O-10070
CAS No. 185066-37-9
Category Impurity
Parent API Fexofenadine
Formula C31H39NO2
Mol. Wt. 457.65

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.