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 3601-3624 of 27541 products
All In Stock Custom Synthesis
N-(2-​Cyanobenzyl) Alogliptin Impurity chemical structure
In Stock

N-(2-​Cyanobenzyl) Alogliptin Impurity

CAT No. CS-O-44823
CAS No. 2749424-28-8
Category Impurity
Parent API Alogliptin
Formula C26H26N6O2
Mol. Wt. 454.52
N-(2-(2-Chlorobenzoyl)-4-nitrophenyl)-2-(1,3-dioxoisoindolin-2-yl)acetamide chemical structure
In Stock

N-(2-(2-Chlorobenzoyl)-4-nitrophenyl)-2-(1,3-dioxoisoindolin-2-yl)acetamide

CAT No. CS-O-37684
CAS No. 2245694-97-5
Category Impurity
Parent API Clonazepam
Formula C23H14ClN3O6
Mol. Wt. 463.83
N-(2-acetylphenyl)-3-Hydroxy Linagliptin impurity chemical structure
In Stock

N-(2-acetylphenyl)-3-Hydroxy Linagliptin impurity

CAT No. CS-O-58825
CAS No. -
Category Impurity
Parent API Linagliptin
Formula C25H28N6O5
Mol. Wt. 492.53
N-(2-acetylphenyl)-3-Hydroxy Linagliptin impurity (S-isomer) chemical structure
In Stock

N-(2-acetylphenyl)-3-Hydroxy Linagliptin impurity (S-isomer)

CAT No. CS-O-58824
CAS No. -
Category Impurity
Parent API Linagliptin
Formula C25H28N6O5
Mol. Wt. 492.54
N-(2-Aminoethyl)-1,2,3,4-Tetrahydronaphthalene-1-Carboxamide chemical structure
In Stock

N-(2-Aminoethyl)-1,2,3,4-Tetrahydronaphthalene-1-Carboxamide

CAT No. CS-MM-61581
CAS No. 84460-89-9
Category Impurity
Parent API Tetrahydrozoline
Formula C13H18N2O
Mol. Wt. 218.29
N-(2-Aminoethyl)-1-naphthylacetamide chemical structure
In Stock

N-(2-Aminoethyl)-1-naphthylacetamide

CAT No. CS-T-02603
CAS No. 36321-43-4
Category Impurity
Parent API Naphazoline
Formula C14H16N2O
Mol. Wt. 228.3
N-(2-Aminoethyl)-2-[phenyl(phenylmethyl)amino]acetamide chemical structure
In Stock

N-(2-Aminoethyl)-2-[phenyl(phenylmethyl)amino]acetamide

CAT No. CS-T-02621
CAS No. 26953-37-7
Category Impurity
Parent API Antazoline
Formula C17H21N3O
Mol. Wt. 283.37
N-(2-Chloro-4-pyrimidinyl)-N,2,3-trimethyl-2H-indazol-6-amine chemical structure
In Stock

N-(2-Chloro-4-pyrimidinyl)-N,2,3-trimethyl-2H-indazol-6-amine

CAT No. CS-T-51009
CAS No. 444731-75-3
Category Impurity
Parent API Pazopanib
Formula C14H14ClN5
Mol. Wt. 287.75
N-(2-Methoxyethyl) Erlotinib chemical structure
In Stock

N-(2-Methoxyethyl) Erlotinib

CAT No. CS-T-95872
CAS No. -
Category Impurity
Parent API Erlotinib
Formula C25H29N3O5
Mol. Wt. 451.51
N-(2-Pyridinylmethyl)-2,5-bis(2,2,2-trifluoroethoxy)benzamide chemical structure
In Stock

N-(2-Pyridinylmethyl)-2,5-bis(2,2,2-trifluoroethoxy)benzamide

CAT No. CS-T-41078
CAS No. 57415-36-8
Category Impurity
Parent API Flecainide
Formula C17H14F6N2O3
Mol. Wt. 408.30
N-(3,4-Dimethoxyphenethyl)formamide chemical structure
Custom Synthesis

N-(3,4-Dimethoxyphenethyl)formamide

CAT No. CS-T-20103
CAS No. 14301-36-1
Category Impurity
Parent API Tetrabenazine
Formula C11H15NO3
Mol. Wt. 209.2
N-(3-butylphenyl)isonicotinamide chemical structure
In Stock

N-(3-butylphenyl)isonicotinamide

CAT No. CS-O-48891
CAS No. -
Category Impurity
Parent API .
Formula C16H18N2O
Mol. Wt. 254.33
N-(3-Cyanopyridin-2-yl)-N-methylmethanesulfonamide chemical structure
In Stock

N-(3-Cyanopyridin-2-yl)-N-methylmethanesulfonamide

CAT No. CS-O-48889
CAS No. 73161-37-2
Category Impurity
Parent API .
Formula C8H9N3O2S
Mol. Wt. 211.24
N-(3-Methoxybenzyl)oleamide chemical structure
In Stock

N-(3-Methoxybenzyl)oleamide

CAT No. CS-O-47289
CAS No. 883715-21-7
Category Impurity
Parent API Oleamide
Formula C26H43NO2
Mol. Wt. 401.63
N-(3-Methoxybenzyl)palmitamide chemical structure
Custom Synthesis

N-(3-Methoxybenzyl)palmitamide

CAT No. CS-O-60785
CAS No. 847361-96-0
Category Impurity
Parent API Linolenamide
Formula C24H41NO2
Mol. Wt. 375.59
N-(3-methyl5-((4-(pyridin-3-yl)pyrimidin-2-yl)amino)phenyl)-4((4-methylpiperazin-1-yl)methyl)benz chemical structure
In Stock

N-(3-methyl5-((4-(pyridin-3-yl)pyrimidin-2-yl)amino)phenyl)-4((4-methylpiperazin-1-yl)methyl)benz

CAT No. CS-O-13326
CAS No. 1026753-54-7
Category Impurity
Parent API Imatinib
Formula C29H31N7O
Mol. Wt. 493.6
N-(4-(Methoxymethyl)-1-nitrosopiperidin-4-yl)-N-phenylpropionamide chemical structure
Custom Synthesis

N-(4-(Methoxymethyl)-1-nitrosopiperidin-4-yl)-N-phenylpropionamide

CAT No. CS-O-64692
CAS No. Not available-
Category Impurity
Parent API -
Formula C16H23N3O3
Mol. Wt. 305.37
N-(4-(Naphthalen-2-yl)phenyl)-[1,1'-biphenyl]-4-amine chemical structure
In Stock

N-(4-(Naphthalen-2-yl)phenyl)-[1,1'-biphenyl]-4-amine

CAT No. CS-O-61061
CAS No. 897921-60-7
Category Impurity
Parent API .
Formula C28H21N
Mol. Wt. 371.47
N-(4,6-diamino-2-chloro-pyrimidin-5-yl)-formamide chemical structure
In Stock

N-(4,6-diamino-2-chloro-pyrimidin-5-yl)-formamide

CAT No. CS-O-16691
CAS No. 1140251-36-0
Category Impurity
Parent API Clofarabine
Formula C5H6ClN5O
Mol. Wt. 187.6
N-(4-aminophenyl)-N-methylnitrous amide chemical structure
In Stock

N-(4-aminophenyl)-N-methylnitrous amide

CAT No. CS-O-44190
CAS No.
Category Impurity
Parent API -
Formula C7H9N3O
Mol. Wt. 151.17
N-(4-Bromo-2-picolinoylphenyl)-2-chloroacetamide chemical structure
In Stock

N-(4-Bromo-2-picolinoylphenyl)-2-chloroacetamide

CAT No. CS-T-67874
CAS No. 41526-21-0
Category Impurity
Parent API Bromazepam
Formula C14H10BrClN2O2
Mol. Wt. 353.60
N-(4-Hydroxybenzyl)-3,4-dimethoxybenzamide chemical structure
In Stock

N-(4-Hydroxybenzyl)-3,4-dimethoxybenzamide

CAT No. CS-T-78482
CAS No. 943518-63-6
Category Impurity
Parent API Itopride
Formula C16H17NO4
Mol. Wt. 287.31
N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole chemical structure
In Stock

N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole

CAT No. CS-T-80106
CAS No. 1346599-85-6
Category Impurity
Parent API Omeprazole
Formula C26H30N4O4S
Mol. Wt. 494.6
N-(Benzylidene)-4-fluoroaniline chemical structure
In Stock

N-(Benzylidene)-4-fluoroaniline

CAT No. CS-O-15577
CAS No. 331-98-6
Category Impurity
Parent API Ezetimibe
Formula C13H10FN
Mol. Wt. 199.22

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.