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 21865-21888 of 27558 products
All In Stock Custom Synthesis
N-Sulfamoylethyl naratriptan pyridinium(free salt form) chemical structure
Custom Synthesis

N-Sulfamoylethyl naratriptan pyridinium(free salt form)

CAT No. CS-O-44112
CAS No. 2144776-32-7
Category Impurity
Parent API Naratriptan
Formula C20H27N4O4S2+
Mol. Wt. 451.58
NTB Acetamide Dimer Impurity chemical structure
Custom Synthesis

NTB Acetamide Dimer Impurity

CAT No. CS-O-16115
CAS No. -
Category Impurity
Parent API
Formula -
Mol. Wt.
N-t-BOC-(2S)-Hydroxymethyl-(5R)-Methylmorpholine chemical structure
Custom Synthesis

N-t-BOC-(2S)-Hydroxymethyl-(5R)-Methylmorpholine

CAT No. CS-BW-00029
CAS No. -
Category Impurity
Parent API
Formula -
Mol. Wt.
N-t-BOC-(2S,5R)-2-(Hydroxymethyl)-5-Methylmorpholine chemical structure
Custom Synthesis

N-t-BOC-(2S,5R)-2-(Hydroxymethyl)-5-Methylmorpholine

CAT No. CS-BW-00030
CAS No. 1821811-60-2
Category Impurity
Parent API
Formula -
Mol. Wt.
N-t-Butyl-3-Oxo-4-Aza-5-Androsten-17-β-Carboxamide chemical structure
Custom Synthesis

N-t-Butyl-3-Oxo-4-Aza-5-Androsten-17-β-Carboxamide

CAT No. CS-O-31525
CAS No. 166896-74-8
Category Impurity
Parent API
Formula -
Mol. Wt.
N-tert-Butyloxycarbonyl-4-methyl-2-piperidine chemical structure
Custom Synthesis

N-tert-Butyloxycarbonyl-4-methyl-2-piperidine

CAT No. CS-T-09833
CAS No. 123387-50-8
Category Impurity
Parent API
Formula -
Mol. Wt.
N-thiophene-2-carboxylate Cefalotin chemical structure
Custom Synthesis

N-thiophene-2-carboxylate Cefalotin

CAT No. CS-T-96115
CAS No. 104758-14-7
Category Impurity
Parent API Cefalotin
Formula C15H14N2O6S2
Mol. Wt. 382.4
N-Tosyl Cetirizine EP impurity A chemical structure
Custom Synthesis

N-Tosyl Cetirizine EP impurity A

CAT No. CS-O-52685
CAS No. 474654-20-1
Category Impurity
Parent API Cetirizine
Formula C24H25ClN2O2S
Mol. Wt. 440.99
N-Trichloroacetyl Florfenicol Amine chemical structure
Custom Synthesis

N-Trichloroacetyl Florfenicol Amine

CAT No. CS-T-86246
CAS No. 1322623-68-6
Category Impurity
Parent API Florfenicol
Formula C12H13Cl3FNO4S
Mol. Wt. 392.65
N-Trifluoroacetodidemethyl Citalopram chemical structure
Custom Synthesis

N-Trifluoroacetodidemethyl Citalopram

CAT No. CS-T-62333
CAS No. 1076199-47-7
Category Impurity
Parent API Citalopram
Formula -
Mol. Wt.
N-Trifluoroacetyl Hydroxy Lapatinib Dimer chemical structure
Custom Synthesis

N-Trifluoroacetyl Hydroxy Lapatinib Dimer

CAT No. CS-O-64621
CAS No. -
Category Impurity
Parent API Lapatinib
Formula C31H24F3N5O7S
Mol. Wt. 667.61
N-trifluoroacetyl Lisinopril cyclohexyl analogue Intermediate chemical structure
Custom Synthesis

N-trifluoroacetyl Lisinopril cyclohexyl analogue Intermediate

CAT No. CS-O-49488
CAS No. 488760-32-3
Category Impurity
Parent API Lisinopril
Formula C20H33F3N2O5
Mol. Wt. 438.48
N-trifluoroacetyl Lisinopril ethyl ester Intermediate chemical structure
Custom Synthesis

N-trifluoroacetyl Lisinopril ethyl ester Intermediate

CAT No. CS-O-49487
CAS No. 488760-33-4
Category Impurity
Parent API Lisinopril
Formula C18H23F3N2O5
Mol. Wt. 404.38
N-trifluoroacetyl Lisinopril Intermediate chemical structure
Custom Synthesis

N-trifluoroacetyl Lisinopril Intermediate

CAT No. CS-O-49486
CAS No. 130414-30-1
Category Impurity
Parent API Lisinopril
Formula C20H27F3N2O5
Mol. Wt. 432.43
N-trimethylsilyl-Ritalinic acid trimethylsilyl ester chemical structure
Custom Synthesis

N-trimethylsilyl-Ritalinic acid trimethylsilyl ester

CAT No. CS-O-47884
CAS No. -
Category Impurity
Parent API Ritalinic acid
Formula C19H33NO2Si2
Mol. Wt. 363.65
N-Trityl Olmesartan Ethyl Ester chemical structure
Custom Synthesis

N-Trityl Olmesartan Ethyl Ester

CAT No. CS-T-62584
CAS No. 172875-59-1
Category Impurity
Parent API Olmesartan
Formula C45H44N6O3
Mol. Wt. 716.9
N-Trityl Olmesartan Ethyl Ester (5-(2-hydroxypropan-2-yl)-tetrazol) Impurity chemical structure
Custom Synthesis

N-Trityl Olmesartan Ethyl Ester (5-(2-hydroxypropan-2-yl)-tetrazol) Impurity

CAT No. CS-O-54477
CAS No. 2762114-23-6
Category Impurity
Parent API Olmesartan
Formula C45H44N6O3
Mol. Wt. 716.87
Nu-chek mix 17A impurity chemical structure
Custom Synthesis

Nu-chek mix 17A impurity

CAT No. CS-O-50577
CAS No. -
Category Impurity
Parent API -
Formula -
Mol. Wt. -
Nu-chek mix 19A impurity chemical structure
Custom Synthesis

Nu-chek mix 19A impurity

CAT No. CS-O-50578
CAS No. -
Category Impurity
Parent API -
Formula -
Mol. Wt. -
Nuciferine chemical structure
Custom Synthesis

Nuciferine

CAT No. CS-BS-00193
CAS No. 475-83-2
Category Impurity
Parent API
Formula -
Mol. Wt.
n-Undecanoyl Chloride chemical structure
Custom Synthesis

n-Undecanoyl Chloride

CAT No. CS-T-87435
CAS No. 17746-05-3
Category Impurity
Parent API
Formula -
Mol. Wt.
Nutriacholic Acid Methyl Ester chemical structure
Custom Synthesis

Nutriacholic Acid Methyl Ester

CAT No. CS-T-82767
CAS No. 10538-59-7
Category Impurity
Parent API
Formula -
Mol. Wt.
N-valine Valbenazine chemical structure
Custom Synthesis

N-valine Valbenazine

CAT No. CS-O-57325
CAS No.
Category Impurity
Parent API valbenazine
Formula C29H47N3O5
Mol. Wt. 517.70
Nylon 6,6 Dimer chemical structure
Custom Synthesis

Nylon 6,6 Dimer

CAT No. CS-T-102327
CAS No. 4238-35-1
Category Impurity
Parent API Nylon
Formula C24H44N4O4
Mol. Wt. 452.64

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.