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 12913-12936 of 27574 products
Butabarbital chemical structure
Custom Synthesis

Butabarbital

CAT No. CS-T-30665
CAS No. 125-40-6
Category Impurity
Parent API
Formula -
Mol. Wt.
Butalbital chemical structure
Custom Synthesis

Butalbital

CAT No. CS-T-30666
CAS No. 77-26-9
Category Impurity
Parent API
Formula -
Mol. Wt.
Butamirate Citrate Impurity E chemical structure
Custom Synthesis

Butamirate Citrate Impurity E

CAT No. CS-O-43174
CAS No. -
Category Impurity
Parent API Butamirate
Formula C18H27NO3
Mol. Wt. 305.41
Butamirate Impurity 1 chemical structure
Custom Synthesis

Butamirate Impurity 1

CAT No. CS-EO-01353
CAS No. -
Category Impurity
Parent API Butamirate
Formula C18H27NO3
Mol. Wt. 305.4
Butamirate Impurity 10 chemical structure
Custom Synthesis

Butamirate Impurity 10

CAT No. CS-P-09088
CAS No. 23186-94-9
Category Impurity
Parent API Butamirate
Formula C17H16N2O2
Mol. Wt. 280.3
Butamirate Impurity 11 chemical structure
Custom Synthesis

Butamirate Impurity 11

CAT No. CS-P-09090
CAS No. 791-95-7
Category Impurity
Parent API Butamirate
Formula C17H14O3
Mol. Wt. 266.30
Butamirate Impurity 3 chemical structure
Custom Synthesis

Butamirate Impurity 3

CAT No. CS-O-38844
CAS No. 14007-64-8
Category Impurity
Parent API Butamirate
Formula C16H25NO2
Mol. Wt. 263.38
Butamirate Impurity 3 chemical structure
Custom Synthesis

Butamirate Impurity 3

CAT No. CS-P-00788
CAS No. 2294-71-5
Category Impurity
Parent API Butamirate
Formula -
Mol. Wt.
Butamirate Impurity 8 chemical structure
Custom Synthesis

Butamirate Impurity 8

CAT No. CS-P-09087
CAS No. 594823-51-5
Category Impurity
Parent API Butamirate
Formula C17H14N2O3
Mol. Wt. 294.3
Butamirate Impurity B1 chemical structure
Custom Synthesis

Butamirate Impurity B1

CAT No. CS-O-66549
CAS No. 90-27-7
Category Impurity
Formula C10H12O2
Mol. Wt. 164.20 g/mol
Butamirate Impurity C chemical structure
Custom Synthesis

Butamirate Impurity C

CAT No. CS-P-00787
CAS No. 47092-75-1
Category Impurity
Parent API Butamirate
Formula C16H25NO3
Mol. Wt. 279.37 g/mol
Butamirate Impurity C Citrate chemical structure
Custom Synthesis

Butamirate Impurity C Citrate

CAT No. CS-O-44666
CAS No. 33987-92-7
Category Impurity
Parent API Butamirate
Formula C22H33NO10
Mol. Wt. 471.50
Butamirate Impurity D chemical structure
Custom Synthesis

Butamirate Impurity D

CAT No. CS-O-66210
CAS No.
Category Impurity
Formula C14H21NO
Mol. Wt. 219.32 g/mol
Butanamide, N-​[4-​[2-​hydroxy-​3-​[(1-​methylethyl)​amino]​propoxy]​phenyl]​-​, hydrochloride chemical structure
Custom Synthesis

Butanamide, N-​[4-​[2-​hydroxy-​3-​[(1-​methylethyl)​amino]​propoxy]​phenyl]​-​, hydrochloride

CAT No. CS-O-42131
CAS No. 1432053-72-9
Category Impurity
Parent API Acebutolol
Formula C16H26N2O3 : HCl
Mol. Wt. 294.4 : 36.5
Butane Sulphonic Acid chemical structure
Custom Synthesis

Butane Sulphonic Acid

CAT No. CS-EO-00847
CAS No. 2386-47-2
Category Impurity
Parent API
Formula C4H10O3S
Mol. Wt. 138.2
Butanedioic acid, 2,2'-dithiobis-, tetraethyl ester (9CI) chemical structure
Custom Synthesis

Butanedioic acid, 2,2'-dithiobis-, tetraethyl ester (9CI)

CAT No. CS-O-38372
CAS No. 2090-25-7
Category Impurity
Parent API Malathion
Formula C16H26O8S2
Mol. Wt. 410.5
Butanone Cyanohydrin chemical structure
Custom Synthesis

Butanone Cyanohydrin

CAT No. CS-T-94011
CAS No. 4111-08-4
Category Impurity
Parent API -
Formula C5H9NO
Mol. Wt. 99.13
Butaphosphan Dione impurity chemical structure
Custom Synthesis

Butaphosphan Dione impurity

CAT No. CS-O-46360
CAS No. -
Category Impurity
Parent API Butaphosphan
Formula C7H16NO2P
Mol. Wt. 177.18
Butenafine Bis Napthyl HCl impurity chemical structure
Custom Synthesis

Butenafine Bis Napthyl HCl impurity

CAT No. CS-O-42165
CAS No. 99802-54-7
Category Impurity
Parent API Terbinafine
Formula C23H21N : HCl
Mol. Wt. 311.4 : 36.5
Butenafine Impurity 1 chemical structure
Custom Synthesis

Butenafine Impurity 1

CAT No. CS-O-62036
CAS No. 209046-65-1
Category Impurity
Parent API Butenafine
Formula C23H34ClN
Mol. Wt. 359.98
Butenafine Impurity 4 chemical structure
Custom Synthesis

Butenafine Impurity 4

CAT No. CS-P-07332
CAS No. 19692-45-6
Category Impurity
Parent API Butenafine
Formula C11H15Cl
Mol. Wt. 182.7
Butibufen-d5 Acyl-β-D-glucuronide (Mixture of Diastereomers) chemical structure
Custom Synthesis

Butibufen-d5 Acyl-β-D-glucuronide (Mixture of Diastereomers)

CAT No. CS-T-101769
CAS No. -
Category Impurity
Parent API Butibufen
Formula C20H23D5O8
Mol. Wt. 401.46
Butrol triammonia salt chemical structure
Custom Synthesis

Butrol triammonia salt

CAT No. CS-O-35818
CAS No. 151852-61-8 (Free base)
Category Impurity
Parent API Gadoteridol
Formula C18H43N7O9
Mol. Wt. 501.58
Butyl analogue of trityl Olmesartan medoxomil chemical structure
Custom Synthesis

Butyl analogue of trityl Olmesartan medoxomil

CAT No. CS-O-34794
CAS No. -
Category Impurity
Parent API Olmesartan
Formula C49H46N6O6
Mol. Wt. 814.93 mol/g

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.