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Active pharmaceutical ingredient (API) impurities for research

All products contained in this category are intended for laboratory use only, and are not meant for human consumption.

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BrandProduct dataPurityPrice rangeEstimated delivery
Memantine Related Compound H (3,5,7-Trimethyladamantan-1-amine hydrochloride)
REF: 45-1380580CAS: 15210-60-3 		- - -1,328.00 €Tue 03 Dec 24
Phenyltoloxamine Related Compound A (2-(2-benzylphenoxy)ethylmethylamine hydrochloride)
REF: 45-1534413		- - -581.00 €Tue 03 Dec 24
Orlistat Related Compound A ((3S,4S)-3-Hexyl-4-[(2R)-2-hydroxytridecyl]-2-oxetanone)
REF: 45-1478811CAS: 104872-06-2 		- - -1,441.00 €Tue 03 Dec 24
Oversulfated Chondroitin Sulfate
REF: 45-1133580		- - -1,732.00 €Tue 03 Dec 24
Olmesartan Medoxomil Related Compound A (1-{[2'-(1H-Tetrazol-5-yl)biphenyl-4-yl]methyl}-4,4-dimethyl-2-propyl-1H-furo[3,4-d]imidazol-6(4H)-one)
REF: 45-1478378CAS: 849206-43-5 		- - -1,371.00 €Tue 03 Dec 24
Isoflurane Related Compound A (1-Chloro-2,2,2-trifluoroethyl chlorodifluoromethyl ether)
REF: 45-1349014CAS: 32778-08-8 		- - -1,590.00 €Tue 03 Dec 24
Desloratadine Related Compound A (8-Bromo-6,11-dihydro-11-(piperidin-4-ylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine)
REF: 45-1173053CAS: 117796-50-6 		- - -1,477.00 €Tue 03 Dec 24
Phenylbutyrate Related Compound A (4-oxo-4-phenylbutanoic acid)
REF: 45-1614523CAS: 2051-95-8 		- - -1,371.00 €Tue 03 Dec 24
Epilactose
REF: 45-1236801CAS: 50468-56-9 		- - -1,593.00 €Tue 03 Dec 24
Citalopram Related Compound A (1-(3-dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxamide)
REF: 45-1134244CAS: 64372-56-1 		- - -1,477.00 €Tue 03 Dec 24
Nimodipine Related Compound A (2-methoxyethyl-1-methylethyl 2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate)
REF: 45-1463870CAS: 85677-93-6 		- - -1,371.00 €Tue 03 Dec 24
Famotidine Related Compound C (3-[[2-(Diaminomethyleneamino)thiazol-4-yl]methylthio]-N-sulfamoylpropanamide hydrochloride)
REF: 45-1269232CAS: 76824-17-4 		- - -1,477.00 €Tue 03 Dec 24
Telmisartan Related Compound A (1,7'-dimethyl-2'-propyl-1H,3'H-2,5'-bibenzo[d]imidazole monohydrate)
REF: 45-1643420CAS: 1282554-35-1 		- - -1,371.00 €Tue 03 Dec 24
Levofloxacin Related Compound A ((S)-9-fluoro-3-methyl-10-(piperazin-1-yl)-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid)
REF: 45-1362114CAS: 117707-40-1 		- - -1,477.00 €Tue 03 Dec 24
Sulconazole Related Compound A (1-[2-(4-Chlorobenzyl)sulfinyl-2-(2,4-dichlorophenyl)ethyl]-1H-imidazole nitrate)
REF: 45-1623692CAS: 77279-29-9 		- - -1,357.00 €Tue 03 Dec 24
Bupropion Hydrochloride Related Compound B (2-(tert-butylamino)-3'-bromopropiophenone hydrochloride)
REF: 45-1078755CAS: 1049718-43-5 		- - -1,495.00 €Tue 03 Dec 24
Estradiol Related Compound B (1,3,5(10),6-estratetraen-3,17β-diol)
REF: 45-1250020CAS: 7291-41-0 		- - -1,477.00 €Tue 03 Dec 24
Rabeprazole Related Compound C (1H-Benzimidazole-2-thiol)
REF: 45-1598042CAS: 583-39-1 		- - -1,477.00 €Tue 03 Dec 24
Loxapine N-Oxide (4-(2-Chlorodibenzo[b,f][1,4]oxazepin-11-yl)-1-methylpiperazine 1-oxide)
REF: 45-1370699CAS: 25967-34-4 		- - -1,222.00 €Tue 03 Dec 24
Benzyl Chloride ((Chloromethyl)benzene)
REF: 45-1062019CAS: 100-44-7 		- - -247.00 €Tue 03 Dec 24
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Memantine Related Compound H (3,5,7-Trimethyladamantan-1-amine hydrochloride)

CAS:15210-60-3
Cyclanic, cyclenic or cycloterpenic mono- or polyamines, and their derivatives; salts thereof
Formula:
C13H23N·HCl
Color and Shape:
White Powder
Molecular weight:
229.15973

Ref: 45-1380580

Estimated delivery in United States, on Tuesday 3 Dec 2024
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Phenyltoloxamine Related Compound A (2-(2-benzylphenoxy)ethylmethylamine hydrochloride)

Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and …

Ref: 45-1534413

Estimated delivery in United States, on Tuesday 3 Dec 2024
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Orlistat Related Compound A ((3S,4S)-3-Hexyl-4-[(2R)-2-hydroxytridecyl]-2-oxetanone)

CAS:104872-06-2
Lactones nesoi
Formula:
C22H42O3
Color and Shape:
White Powder
Molecular weight:
354.3134

Ref: 45-1478811

Estimated delivery in United States, on Tuesday 3 Dec 2024
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Oversulfated Chondroitin Sulfate

Natural polymers & modified natural polymers, in primary forms, nesoi
Color and Shape:
White Powder Fluffy

Ref: 45-1133580

Estimated delivery in United States, on Tuesday 3 Dec 2024
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Olmesartan Medoxomil Related Compound A (1-{[2'-(1H-Tetrazol-5-yl)biphenyl-4-yl]methyl}-4,4-dimethyl-2-propyl-1H-furo[3,4-d]imidazol-6(4H)-one)

CAS:849206-43-5
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C24H24N6O2
Color and Shape:
White Solid
Molecular weight:
428.19607

Ref: 45-1478378

Estimated delivery in United States, on Tuesday 3 Dec 2024
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Isoflurane Related Compound A (1-Chloro-2,2,2-trifluoroethyl chlorodifluoromethyl ether)

CAS:32778-08-8
Ethers of monohydric alcohols, nesoi
Formula:
C3HCl2F5O
Color and Shape:
Clear Colorless Liquid
Molecular weight:
217.93246

Ref: 45-1349014

Estimated delivery in United States, on Tuesday 3 Dec 2024
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Desloratadine Related Compound A (8-Bromo-6,11-dihydro-11-(piperidin-4-ylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine)

CAS:117796-50-6
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C19H19BrN2
Color and Shape:
Light Yellow Powder
Molecular weight:
354.07316

Ref: 45-1173053

Estimated delivery in United States, on Tuesday 3 Dec 2024
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Phenylbutyrate Related Compound A (4-oxo-4-phenylbutanoic acid)

CAS:2051-95-8
Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, …
Formula:
C10H10O3
Color and Shape:
Powder
Molecular weight:
178.06299

Ref: 45-1614523

Estimated delivery in United States, on Tuesday 3 Dec 2024
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Epilactose

CAS:50468-56-9
Sugars, chemically pure, other than sucrose, lactose, maltose, glucose and fructose; sugar ethers and sugar …
Formula:
C12H22O11
Color and Shape:
White Crystalline Powder
Molecular weight:
342.11621

Ref: 45-1236801

Estimated delivery in United States, on Tuesday 3 Dec 2024
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Citalopram Related Compound A (1-(3-dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxamide)

CAS:64372-56-1
Aromatic pesticides with oxygen hetero-atom(s) only ne
Formula:
C20H23FN2O2
Color and Shape:
Cream Powder
Molecular weight:
342.17436

Ref: 45-1134244

Estimated delivery in United States, on Tuesday 3 Dec 2024
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Nimodipine Related Compound A (2-methoxyethyl-1-methylethyl 2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate)

CAS:85677-93-6
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C21H24N2O7
Color and Shape:
Liquid
Molecular weight:
416.15835

Ref: 45-1463870

Estimated delivery in United States, on Tuesday 3 Dec 2024
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Famotidine Related Compound C (3-[[2-(Diaminomethyleneamino)thiazol-4-yl]methylthio]-N-sulfamoylpropanamide hydrochloride)

CAS:76824-17-4
Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure
Formula:
C8H15ClN6O3S3
Color and Shape:
White Off-White Powder
Molecular weight:
374.00563

Ref: 45-1269232

Estimated delivery in United States, on Tuesday 3 Dec 2024
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Telmisartan Related Compound A (1,7'-dimethyl-2'-propyl-1H,3'H-2,5'-bibenzo[d]imidazole monohydrat…
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Telmisartan Related Compound A (1,7'-dimethyl-2'-propyl-1H,3'H-2,5'-bibenzo[d]imidazole monohydrate)

CAS:1282554-35-1
Heterocyclic compounds with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoi
Formula:
C19H20N4·H2O
Color and Shape:
Off-White Solid
Molecular weight:
322.17936

Ref: 45-1643420

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Levofloxacin Related Compound A ((S)-9-fluoro-3-methyl-10-(piperazin-1-yl)-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid)

CAS:117707-40-1
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C17H18FN3O4
Color and Shape:
White Powder
Molecular weight:
347.12813

Ref: 45-1362114

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Sulconazole Related Compound A (1-[2-(4-Chlorobenzyl)sulfinyl-2-(2,4-dichlorophenyl)ethyl]-1H-imidazole nitrate)

CAS:77279-29-9
Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure nesoi
Formula:
C18H15Cl3N2OS·HNO3
Color and Shape:
Powder
Molecular weight:
474.99271

Ref: 45-1623692

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Bupropion Hydrochloride Related Compound B (2-(tert-butylamino)-3'-bromopropiophenone hydrochloride)

CAS:1049718-43-5
Amino-aldehydes, amino-ketones and amino-quinones, other than those containing more than one kind of oxygen function; …
Formula:
C13H18BrNO·HCl
Color and Shape:
Off-White Powder
Molecular weight:
319.03385

Ref: 45-1078755

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Estradiol Related Compound B (1,3,5(10),6-estratetraen-3,17β-diol)
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Estradiol Related Compound B (1,3,5(10),6-estratetraen-3,17β-diol)

CAS:7291-41-0
Estrogens and progestins
Formula:
C18H22O2
Color and Shape:
White Yellow Crystalline Powder
Molecular weight:
270.16198

Ref: 45-1250020

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Rabeprazole Related Compound C (1H-Benzimidazole-2-thiol)

CAS:583-39-1
Aromatic or modified aromatic heterocyclic compounds wi
Formula:
C7H6N2S
Color and Shape:
White Light Yellow Powder
Molecular weight:
150.02517

Ref: 45-1598042

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Loxapine N-Oxide (4-(2-Chlorodibenzo[b,f][1,4]oxazepin-11-yl)-1-methylpiperazine 1-oxide)

CAS:25967-34-4
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C18H18ClN3O2
Color and Shape:
White Off-White Pale Yellow Solid
Molecular weight:
343.10875

Ref: 45-1370699

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Benzyl Chloride ((Chloromethyl)benzene)

CAS:100-44-7
Halogenated derivatives of aromatic hydrocarbons, nesoi
Formula:
C7H7Cl
Color and Shape:
Clear Colorless Liquid
Molecular weight:
126.02363

Ref: 45-1062019

Estimated delivery in United States, on Tuesday 3 Dec 2024
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