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 [email protected]
Categories / Impurity

Impurity Products

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

Showing 529-552 of 27540 products
All In Stock Custom Synthesis
6,7-Dihydro-5H-cyclopenta[b]pyridine2,3-Cyclopentano Pyridine chemical structure
In Stock

6,7-Dihydro-5H-cyclopenta[b]pyridine2,3-Cyclopentano Pyridine

CAT No. CS-O-31649
CAS No. 533-37-9
Category Impurity
Parent API Cefpirome
Formula C8H9N
Mol. Wt. 119.16
6a-Methyl Hydrocortisone 21-Hemisuccinate chemical structure
In Stock

6a-Methyl Hydrocortisone 21-Hemisuccinate

CAT No. CS-T-80295
CAS No. 119657-85-1
Category Impurity
Parent API Methylprednisolone
Formula C26H36O8
Mol. Wt. 476.57
6a-Methyl Prednisolone 17-Hemisuccinate chemical structure
In Stock

6a-Methyl Prednisolone 17-Hemisuccinate

CAT No. CS-T-80702
CAS No. 77074-42-1
Category Impurity
Parent API Methylprednisolone
Formula C26H34O8
Mol. Wt. 474.54
6a-Methyl Prednisolone 17-Propionate chemical structure
In Stock

6a-Methyl Prednisolone 17-Propionate

CAT No. CS-T-80696
CAS No. 79512-61-1
Category Impurity
Parent API Methylprednisolone
Formula C25H34O6
Mol. Wt. 430.53
6-Amino-1-trityl-6,7-dihydro-1H-imidazo[4,5-c]pyridin-4(5H)-one chemical structure
In Stock

6-Amino-1-trityl-6,7-dihydro-1H-imidazo[4,5-c]pyridin-4(5H)-one

CAT No. CS-O-48880
CAS No.
Category Impurity
Parent API -
Formula C25H22N4O
Mol. Wt. 394.47
6-Beta-Hydroxyhyoscyamine Acetate chemical structure
In Stock

6-Beta-Hydroxyhyoscyamine Acetate

CAT No. CS-O-40983
CAS No. 55869-99-3(freebase)
Category Impurity
Parent API Hyoscyamine
Formula C19H27NO6
Mol. Wt. 365.42
6-BROMO-3-FORMYLCHROMONE chemical structure
In Stock

6-BROMO-3-FORMYLCHROMONE

CAT No. CS-CJ-00147
CAS No. 52817-12-6
Category Impurity
Parent API -
Formula -
Mol. Wt. -
6-Chloro-1,3-dimethylpyrimidine-2,4(1H,3H)-dione chemical structure
In Stock

6-Chloro-1,3-dimethylpyrimidine-2,4(1H,3H)-dione

CAT No. CS-M-47432
CAS No. 6972-27-6
Category Impurity
Parent API Fluorouracil
Formula C6H7ClN2O2
Mol. Wt. 174.6
6-Chloro-4-(2-chlorophenyl)-2-quinazolinemethanol chemical structure
In Stock

6-Chloro-4-(2-chlorophenyl)-2-quinazolinemethanol

CAT No. CS-Y-00065
CAS No. 773871-49-1
Category Impurity
Parent API Lorazepam
Formula C15H10Cl2N2O
Mol. Wt. 305.16
6-Deoxypenciclovir hydrochloride chemical structure
In Stock

6-Deoxypenciclovir hydrochloride

CAT No. CS-T-94192
CAS No. 246021-75-0
Category Impurity
Parent API Penciclovir
Formula C10H16ClN5O2
Mol. Wt. 273.72
6-Desfluoro Rufinamide chemical structure
In Stock

6-Desfluoro Rufinamide

CAT No. CS-T-16093
CAS No. 106308-41-2
Category Impurity
Parent API Rufinamide
Formula C10H9FN4O
Mol. Wt. 220.2
6-Epidoxycycline hydrochloride chemical structure
In Stock

6-Epidoxycycline hydrochloride

CAT No. CS-O-15801
CAS No. 41411-66-9
Category Impurity
Parent API Doxycycline
Formula C22H25CIN2O8
Mol. Wt. 480.90
6-Epidoxycycline trifluoroacetate salt chemical structure
In Stock

6-Epidoxycycline trifluoroacetate salt

CAT No. CS-O-44237
CAS No. 3219-99-6 (Freebase)
Category Impurity
Parent API Doxycycline
Formula C24H25F3N2O10
Mol. Wt. 558.46
6-Ethynyl-4,4-dimethyl-thiochroman chemical structure
In Stock

6-Ethynyl-4,4-dimethyl-thiochroman

CAT No. CS-O-32210
CAS No. 118292-06-1
Category Impurity
Parent API Tazarotene
Formula C13H14S
Mol. Wt. 202.3
6-ethynylnicotinic acid ethyl ester chemical structure
In Stock

6-ethynylnicotinic acid ethyl ester

CAT No. CS-O-56577
CAS No. 220882-43-9
Category Impurity
Parent API nicotinic acid
Formula C10H9NO2
Mol. Wt. 175.18
6-Hydroxy Hydrocortisone Valerate chemical structure
In Stock

6-Hydroxy Hydrocortisone Valerate

CAT No. CS-O-33415
CAS No. -
Category Impurity
Parent API Hydrocortisone
Formula C26H38O7
Mol. Wt. 462.58
6-Hydroxy-7-methoxy-4(1H)-quinazolinone chemical structure
In Stock

6-Hydroxy-7-methoxy-4(1H)-quinazolinone

CAT No. CS-O-14130
CAS No. 179688-52-9
Category Impurity
Parent API Gefitinib
Formula C9H8N2O3
Mol. Wt. 192.17
6-Hydroxycortisol chemical structure
In Stock

6-Hydroxycortisol

CAT No. CS-T-78072
CAS No. 3078-34-0
Category Impurity
Parent API Hydrocortisone
Formula C21H30O6
Mol. Wt. 378.46
6-Iodoquinazolin-4-one chemical structure
In Stock

6-Iodoquinazolin-4-one

CAT No. CS-T-29526
CAS No. 16064-08-7
Category Impurity
Parent API -
Formula C8H5IN2O
Mol. Wt. 272.04
6-Keto Nalbuphine chemical structure
In Stock

6-Keto Nalbuphine

CAT No. CS-N-00419
CAS No. 16676-33-8
Category Impurity
Parent API Nalbuphine
Formula C21H25NO4
Mol. Wt. 355.43
6-Methyl-hepten-2-one chemical structure
In Stock

6-Methyl-hepten-2-one

CAT No. CS-T-33933
CAS No. 110-93-0
Category Impurity
Parent API Isometheptene
Formula C8H14O
Mol. Wt. 126.2
6-N-propyl-8beta-methylthiomethyl Ergoline chemical structure
In Stock

6-N-propyl-8beta-methylthiomethyl Ergoline

CAT No. CS-BV-00015
CAS No. 66104-22-1
Category Impurity
Parent API Pergolide
Formula C19H26N2S
Mol. Wt. 314.5
6-O-Methyl Mycophenolic Acid Methyl Ester chemical structure
In Stock

6-O-Methyl Mycophenolic Acid Methyl Ester

CAT No. CS-T-34443
CAS No. 60435-90-7
Category Impurity
Parent API Mycophenolate Mofetil
Formula C19H24O6
Mol. Wt. 348.4
6-O-Methylguanine chemical structure
In Stock

6-O-Methylguanine

CAT No. CS-T-33924
CAS No. 20535-83-5
Category Impurity
Parent API Nelerabine
Formula C6H7N5O
Mol. Wt. 165.15

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.