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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Product data	Purity	Price range	Estimated delivery
Ketamine Related Compound A (1-[(2-Chlorophenyl)(methylimino)methyl]cylcopentanol) REF: 45-1356020CAS: 6740-87-0	- - -	1,477.00 €	Tue 15 Oct 24
Efavirenz Related Compound C (6-chloro-2-cyclopropyl-4-(trifluoromethyl)quinoline) REF: 45-1234136CAS: 391860-73-4	- - -	1,390.00 €	Tue 15 Oct 24
Riluzole Related Compound A (4-(Trifluoromethoxy)aniline) REF: 45-1604348CAS: 461-82-5	- - -	1,371.00 €	Tue 15 Oct 24
Norfloxacin Related Compound K (6-Fluoro-1-methyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid) REF: 45-1471619CAS: 70459-07-3	- - -	1,552.00 €	Tue 15 Oct 24
Losartan Related Compound B (2-Butyl-4-chloro-(1-{[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl}-1H-imidazol-5-yl)methyl acetate) REF: 45-1370484CAS: 1006062-27-6	- - -	1,371.00 €	Tue 15 Oct 24
Amoxicillin Related Compound G ((2S,5R,6R)-6-{(R)-2-[(R)-2-Amino-2-(4-hydroxyphenyl)acetamido]-2-(4-hydroxyphenyl)acetamido}-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid) REF: 45-1031570CAS: 188112-75-6	- - -	1,477.00 €	Tue 15 Oct 24
N-Demethylazithromycin REF: 45-1046089CAS: 172617-84-4	- - -	1,511.00 €	Tue 15 Oct 24
Desbenzyl Donepezil Hydrochloride REF: 45-1171819CAS: 120013-39-0	- - -	1,346.00 €	Tue 15 Oct 24
Amifostine Thiol (Ethanethiol, 2-[(3-aminopropyl)amino]-, dihydrochloride) REF: 45-1019428CAS: 14653-77-1	- - -	1,371.00 €	Tue 15 Oct 24
Carbinoxamine Related Compound C (N,N-Dimethyl-2-[phenyl(pyridin-2-yl)methoxy]ethan-1-amine oxalate) REF: 45-1096032CAS: 2771193-12-3	- - -	1,442.00 €	Tue 15 Oct 24
Iso-propyl p-Toluenesulfonate (Isopropyl toluene-4-sulfonate) REF: 45-1350625CAS: 2307-69-9	- - -	844.00 €	Tue 15 Oct 24
Norfloxacin Related Compound E (7-Chloro-1-ethyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid) REF: 45-1471550CAS: 75001-78-4	- - -	1,552.00 €	Tue 15 Oct 24
Nitrofurantoin Related Compound A (N-(Aminocarbonyl)-N-[([5-nitro-2-furanyl]-methylene)-amino]-glycine) REF: 45-1021703CAS: 63981-22-6	- - -	1,552.00 €	Tue 15 Oct 24
5-Amino-2,4,6-triiodo-N-methylisophthalamic Acid REF: 45-1027007CAS: 2280-89-9	- - -	1,292.00 €	Tue 15 Oct 24
Acetaminophen Related Compound F (p-nitrophenol) REF: 45-1003064CAS: 100-02-7	- - -	1,371.00 €	Tue 15 Oct 24
Zaleplon Related Compound A ((E)-N-(3-[3-(dimethylamino)acryloyl]phenyl)-N-ethylacetamide) REF: 45-1724361CAS: 1227694-96-3	- - -	1,477.00 €	Tue 15 Oct 24
Anagrelide Related Compound B ((2-amino-5,6-dichloroquinazolin-3(4H)-yl)acetic acid) REF: 45-1034750	- - -	1,441.00 €	Tue 15 Oct 24
Ritonavir Related Compounds Mixture REF: 45-1604814CAS: 155213-67-5	- - -	1,371.00 €	Tue 15 Oct 24
p-Ranolazine (N-(2,6-Dimethylphenyl)-2-{4-[2-hydroxy-3-(4-methoxyphenoxy)propyl]piperazin-1-yl}acetamide) REF: 45-1598733CAS: 1393717-45-7	- - -	708.00 €	Tue 15 Oct 24
Miconazole Related Compound I (1-{2-[(2-Chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethyl}-1H-imidazole mononitrate) REF: 45-1443497CAS: 24169-00-4	- - -	1,673.00 €	Tue 15 Oct 24

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Ketamine Related Compound A (1-[(2-Chlorophenyl)(methylimino)methyl]cylcopentanol)

CAS:6740-87-0

Aromatic imines and their derivatives, salts thereof

Formula:

C₁₃H₁₆NOCl

Color and Shape:

Off-White Powder

Molecular weight:

237.09204

Ref: 45-1356020

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Efavirenz Related Compound C (6-chloro-2-cyclopropyl-4-(trifluoromethyl)quinoline)

CAS:391860-73-4

Compounds (excluding drugs and pesticides) containing a quinoline or isoquinoline ring-system (whether or not hydrogenated) …

Formula:

C₁₃H₉ClF₃N

Color and Shape:

Off-White Powder

Molecular weight:

271.03756

Ref: 45-1234136

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Riluzole Related Compound A (4-(Trifluoromethoxy)aniline)

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Riluzole Related Compound A (4-(Trifluoromethoxy)aniline)

CAS:461-82-5

Amino-naphthols and other amino-phenols, their ethers and esters, other than those cont more than one …

Formula:

C₇H₆F₃NO

Color and Shape:

Colorless Light Yellow Liquid

Molecular weight:

177.04015

Ref: 45-1604348

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Norfloxacin Related Compound K (6-Fluoro-1-methyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid)

CAS:70459-07-3

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, …

Formula:

C₁₅H₁₆FN₃O₃

Color and Shape:

Off-White Solid

Molecular weight:

305.11757

Ref: 45-1471619

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Losartan Related Compound B (2-Butyl-4-chloro-(1-{[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl}-1H-imidazol-5-yl)methyl acetate)

CAS:1006062-27-6

Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure nesoi

Formula:

C₂₄H₂₅ClN₆O₂

Color and Shape:

Powder

Molecular weight:

464.17275

Ref: 45-1370484

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Amoxicillin Related Compound G ((2S,5R,6R)-6-{(R)-2-[(R)-2-Amino-2-(4-hydroxyphenyl)acetamido]-2-(4-hydroxyphenyl)acetamido}-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid)

CAS:188112-75-6

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi

Formula:

C₂₄H₂₆N₄O₇S

Color and Shape:

White Powder

Molecular weight:

514.15222

Ref: 45-1031570

Estimated delivery in United States, on Tuesday 15 Oct 2024

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N-Demethylazithromycin

CAS:172617-84-4

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi

Formula:

C₃₇H₇₀N₂O₁₂

Color and Shape:

White Powder

Molecular weight:

734.49288

Ref: 45-1046089

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Desbenzyl Donepezil Hydrochloride

CAS:120013-39-0

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₁₇H₂₃NO₃·HCl

Color and Shape:

Yellow Off-White Powder

Molecular weight:

325.14447

Ref: 45-1171819

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Amifostine Thiol (Ethanethiol, 2-[(3-aminopropyl)amino]-, dihydrochloride)

CAS:14653-77-1

Organo-sulfur compounds, nesoi

Formula:

C₅H₁₆N₂SCl₂

Color and Shape:

White Powder

Molecular weight:

206.04113

Ref: 45-1019428

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Carbinoxamine Related Compound C (N,N-Dimethyl-2-[phenyl(pyridin-2-yl)methoxy]ethan-1-amine oxalate)

CAS:2771193-12-3

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₁₆H₂₀N₂O·C₂H₂O₄

Color and Shape:

White Powder

Molecular weight:

346.15287

Ref: 45-1096032

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Iso-propyl p-Toluenesulfonate (Isopropyl toluene-4-sulfonate)

CAS:2307-69-9

Hydrocarbon derivatives containing only sulfo groups, their salts andesters

Formula:

C₁₀H₁₄O₃S

Color and Shape:

Colorless Oil

Molecular weight:

214.06637

Ref: 45-1350625

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Norfloxacin Related Compound E (7-Chloro-1-ethyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-c…

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Norfloxacin Related Compound E (7-Chloro-1-ethyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid)

CAS:75001-78-4

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, …

Formula:

C₁₆H₁₈ClN₃O₃

Color and Shape:

Off-White Solid

Molecular weight:

335.10367

Ref: 45-1471550

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Nitrofurantoin Related Compound A (N-(Aminocarbonyl)-N-[([5-nitro-2-furanyl]-methylene)-amino]-glycine)

CAS:63981-22-6

Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure nesoi

Formula:

C₈H₈N₄O₆

Color and Shape:

White Crystalline Powder

Molecular weight:

256.04438

Ref: 45-1021703

Estimated delivery in United States, on Tuesday 15 Oct 2024

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5-Amino-2,4,6-triiodo-N-methylisophthalamic Acid

CAS:2280-89-9

Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof

Formula:

C₉H₇I₃N₂O₃

Color and Shape:

White Powder

Molecular weight:

571.75908

Ref: 45-1027007

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Acetaminophen Related Compound F (p-nitrophenol)

CAS:100-02-7

Halogenated, sulfonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols, nesoi

Formula:

C₆H₅NO₃

Color and Shape:

Powder

Molecular weight:

139.02694

Ref: 45-1003064

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Zaleplon Related Compound A ((E)-N-(3-[3-(dimethylamino)acryloyl]phenyl)-N-ethylacetamide)

CAS:1227694-96-3

Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof

Formula:

C₁₅H₂₀N₂O₂

Color and Shape:

Yellow Powder

Molecular weight:

260.15248

Ref: 45-1724361

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Anagrelide Related Compound B ((2-amino-5,6-dichloroquinazolin-3(4H)-yl)acetic acid)

Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, …

Formula:

C₁₀H₉Cl₂N₃O₂·HCl

Color and Shape:

Off-White Powder

Molecular weight:

273.00718

Ref: 45-1034750

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Ritonavir Related Compounds Mixture

CAS:155213-67-5

Diagnostic or lab reagents on a backing, prepared diagnostic or lab reagents whether or not …

Color and Shape:

White Light Yellow Powder

Ref: 45-1604814

Estimated delivery in United States, on Tuesday 15 Oct 2024

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p-Ranolazine (N-(2,6-Dimethylphenyl)-2-{4-[2-hydroxy-3-(4-methoxyphenoxy)propyl]piperazin-1-yl}acetamide)

CAS:1393717-45-7

Drugs containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure

Formula:

C₂₄H₃₃N₃O₄

Color and Shape:

White Powder

Molecular weight:

427.24711

Ref: 45-1598733

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Miconazole Related Compound I (1-{2-[(2-Chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethyl}-1H-imidazole mononitrate)

CAS:24169-00-4

Compounds containing an unfused imidazole ring, whether or not hydrogenated, in the structure, nesoi

Formula:

C₁₈H₁₅Cl₃N₂O·HNO₃

Color and Shape:

White Off-White Powder

Molecular weight:

443.02064

Ref: 45-1443497

Estimated delivery in United States, on Tuesday 15 Oct 2024

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