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
Stearylpyridinium Chloride (1-Octadecylpyridinium chloride) REF: 45-1622044CAS: 3165-81-9	- - -	1,442.00 €	Tue 15 Oct 24
Valacyclovir Related Compound M (9-[(2-Hydroxyethoxy)methyl]guanine N-formyl-l-valinate) REF: 45-1707828CAS: 847670-62-6	- - -	1,292.00 €	Tue 15 Oct 24
Pancuronium Bromide Related Compound A (1,1'-(3α,17β-dihydroxy-5α-androstan-2β,16β-ylene) bis(1-methylpiperidinium) dibromide) REF: 45-1494228CAS: 15500-65-9	- - -	815.00 €	Tue 15 Oct 24
Probucol Related Compound A (2,2',6,6'-tetra-tert-butyldiphenoquinone) REF: 45-1563320CAS: 2455-14-3	- - -	1,145.00 €	Tue 15 Oct 24
Dapagliflozin Related Compound A ((2S,3R,4R,5S,6R)-2-[4-Bromo-3-(4-ethoxybenzyl)phenyl]-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol) REF: 45-1163264CAS: 1807632-95-6	- - -	1,426.00 €	Tue 15 Oct 24
Metoclopramide Related Compound A (4-Acetamido-5-chloro-N-[2-(diethylamino)ethyl]-2-methoxybenzamide) REF: 45-1440819CAS: 5608-13-9	- - -	1,371.00 €	Tue 15 Oct 24
Dantrolene Related Compound C (5-(4-Nitrophenyl)furan-2-carbaldehyde) REF: 45-1163184CAS: 7147-77-5	- - -	1,480.00 €	Tue 15 Oct 24
Phenobarbital Related Compound B (5-Ethyl-6-imino-5-phenyldihydropyrimidine-2,4(1H,3H)-dione) REF: 45-1524023CAS: 58042-96-9	- - -	1,398.00 €	Tue 15 Oct 24
Brimonidine Related Compound E (2-(5-Bromoquinoxalin-6-yl)guanidine dihydrochloride) REF: 45-1076454CAS: 168329-48-4	- - -	1,511.00 €	Tue 15 Oct 24
Atomoxetine S-Isomer ((S)-N-Methyl-3-phenyl-3-(2-tolyloxy)propan-1-amine hydrochloride) REF: 45-1044913CAS: 82857-39-4	- - -	1,477.00 €	Tue 15 Oct 24
Lufenuron Related Compound C (N-[3-Chloro-4-(1,1,2,3,3,3-hexafluoropropoxy)phenylcarbamoyl]-2,6-difluorobenzamide) REF: 45-1370735	- - -	1,441.00 €	Tue 15 Oct 24
Abacavir Related Compounds Mixture REF: 45-1000485	- - -	1,552.00 €	Tue 15 Oct 24
Acebutolol Related Compound I (N-{3-Acetyl-4-[3-(ethylamino)-2-hydroxypropoxy]phenyl}butyramide) REF: 45-1000699CAS: 441019-91-6	- - -	823.00 €	Tue 15 Oct 24
Dipyridamole Related Compound F (2,2',2'',2'''-({4-[(2-Hydroxyethyl)amino]-8-(piperidin-1-yl)pyrimido[5,4-d]pyrimidine-2,6-diyl}bis(azanetriyl))tetraethanol) REF: 45-1220561CAS: 60286-30-8	- - -	1,371.00 €	Tue 15 Oct 24
Nimodipine Related Compound B (bis(2-methoxyethyl) 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate) REF: 45-1463869CAS: 70172-96-2	- - -	1,371.00 €	Tue 15 Oct 24
Trazodone Related Compound D (2-{3-[4-(3-Bromophenyl)piperazin-1-yl]propyl}-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one hydrochloride) REF: 45-1673544CAS: 1263278-80-3	- - -	1,477.00 €	Tue 15 Oct 24
Bendamustine Related Compound E (4-{5-[(2-Chloroethyl)(2-hydroxyethyl)amino]-1-methyl-1H-benzimidazol-2-yl}butanoic acid) REF: 45-1065276CAS: 109882-27-1	- - -	1,421.00 €	Tue 15 Oct 24
Fosinopril Related Compound D ((4R)-4-cyclohexyl-1-[(R)-[(S)-1-hydroxy-2-methylpropoxy](4-phenylbutyl)phosphinyl]acetyl-L-proline propionate (ester), sodium salt) REF: 45-1283448	- - -	815.00 €	Tue 15 Oct 24
Triclocarban Related Compound C (1,3-Bis(3,4-dichlorophenyl)urea) REF: 45-1681845CAS: 4300-43-0	- - -	581.00 €	Tue 15 Oct 24
Ibutilide Related Compound B (N-Ethyl-N-heptyl-4-hydroxy-4-[4-(methylsulfonamido)phenyl]butanamide) REF: 45-1335632CAS: 160087-98-9	- - -	581.00 €	Tue 15 Oct 24

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Stearylpyridinium Chloride (1-Octadecylpyridinium chloride)

CAS:3165-81-9

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₂₃H₄₂ClN

Color and Shape:

White Solid

Molecular weight:

367.30058

Ref: 45-1622044

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Valacyclovir Related Compound M (9-[(2-Hydroxyethoxy)methyl]guanine N-formyl-l-valinate)

CAS:847670-62-6

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

Formula:

C₁₄H₂₀N₆O₅

Color and Shape:

Powder

Molecular weight:

352.14952

Ref: 45-1707828

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Pancuronium Bromide Related Compound A (1,1'-(3α,17β-dihydroxy-5α-androstan-2β,16β-ylene) bis(1-methylpiperidinium) dibromide)

CAS:15500-65-9

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₃₁H₅₆N₂O₂· 2Br

Color and Shape:

White Off-White Crystalline Powder

Molecular weight:

488.43418

Ref: 45-1494228

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Probucol Related Compound A (2,2',6,6'-tetra-tert-butyldiphenoquinone)

CAS:2455-14-3

Other quinones

Formula:

C₂₈H₄₀O₂

Color and Shape:

Purple Crystals

Molecular weight:

408.30283

Ref: 45-1563320

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Dapagliflozin Related Compound A ((2S,3R,4R,5S,6R)-2-[4-Bromo-3-(4-ethoxybenzyl)phenyl]-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol)

CAS:1807632-95-6

Aromatic heterocyclic compounds with oxygen hetero-atom(s) only, nesoi

Formula:

C₂₁H₂₅BrO₆

Color and Shape:

White Solid

Molecular weight:

452.08345

Ref: 45-1163264

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Metoclopramide Related Compound A (4-Acetamido-5-chloro-N-[2-(diethylamino)ethyl]-2-methoxybenzamide)

CAS:5608-13-9

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

Formula:

C₁₆H₂₄ClN₃O₃

Color and Shape:

Off-White Powder

Molecular weight:

341.15062

Ref: 45-1440819

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Dantrolene Related Compound C (5-(4-Nitrophenyl)furan-2-carbaldehyde)

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Dantrolene Related Compound C (5-(4-Nitrophenyl)furan-2-carbaldehyde)

CAS:7147-77-5

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

Formula:

C₁₁H₇NO₄

Color and Shape:

Yellow Crystalline Powder

Molecular weight:

217.03751

Ref: 45-1163184

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Phenobarbital Related Compound B (5-Ethyl-6-imino-5-phenyldihydropyrimidine-2,4(1H,3H)-dione)

CAS:58042-96-9

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

Formula:

C₁₂H₁₃N₃O₂

Color and Shape:

Off-White Solid

Molecular weight:

231.10078

Ref: 45-1524023

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Brimonidine Related Compound E (2-(5-Bromoquinoxalin-6-yl)guanidine dihydrochloride)

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Brimonidine Related Compound E (2-(5-Bromoquinoxalin-6-yl)guanidine dihydrochloride)

CAS:168329-48-4

Heterocyclic compounds with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoi

Formula:

C₉H₈BrN₅

Color and Shape:

Brown Powder

Molecular weight:

264.99631

Ref: 45-1076454

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Atomoxetine S-Isomer ((S)-N-Methyl-3-phenyl-3-(2-tolyloxy)propan-1-amine hydrochloride)

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Atomoxetine S-Isomer ((S)-N-Methyl-3-phenyl-3-(2-tolyloxy)propan-1-amine hydrochloride)

CAS:82857-39-4

Amino-alcohols, other than those containing more than o

Formula:

C₁₇H₂₁NO·HCl

Color and Shape:

White Powder

Molecular weight:

255.16231

Ref: 45-1044913

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Lufenuron Related Compound C (N-[3-Chloro-4-(1,1,2,3,3,3-hexafluoropropoxy)phenylcarbamoyl]-2,6-difluorobenzamide)

Ureines and their derivatives; salts thereof

Formula:

C₁₇H₉ClF₈N₂O₃

Color and Shape:

Solid

Molecular weight:

476.0174

Ref: 45-1370735

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Abacavir Related Compounds Mixture

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

Color and Shape:

Powder

Ref: 45-1000485

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Acebutolol Related Compound I (N-{3-Acetyl-4-[3-(ethylamino)-2-hydroxypropoxy]phenyl}butyramide)

CAS:441019-91-6

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

Formula:

C₁₇H₂₆N₂O₄

Color and Shape:

Powder

Molecular weight:

322.18926

Ref: 45-1000699

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Dipyridamole Related Compound F (2,2',2'',2'''-({4-[(2-Hydroxyethyl)amino]-8-(piperidin-1-yl)pyrimido[5,4-d]pyrimidine-2,6-diyl}bis(azanetriyl))tetraethanol)

CAS:60286-30-8

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

Formula:

C₂₁H₃₆N₈O₅

Color and Shape:

Solid

Molecular weight:

480.28087

Ref: 45-1220561

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Nimodipine Related Compound B (bis(2-methoxyethyl) 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate)

CAS:70172-96-2

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₂₁H₂₆N₂O₈

Color and Shape:

Pale Yellow Crystalline Powder

Molecular weight:

434.16892

Ref: 45-1463869

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Trazodone Related Compound D (2-{3-[4-(3-Bromophenyl)piperazin-1-yl]propyl}-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one hydrochloride)

CAS:1263278-80-3

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

Formula:

C₁₉H₂₂BrN₅O·HCl

Color and Shape:

White Crystalline Powder

Molecular weight:

415.10077

Ref: 45-1673544

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Bendamustine Related Compound E (4-{5-[(2-Chloroethyl)(2-hydroxyethyl)amino]-1-methyl-1H-benzimida…

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Bendamustine Related Compound E (4-{5-[(2-Chloroethyl)(2-hydroxyethyl)amino]-1-methyl-1H-benzimidazol-2-yl}butanoic acid)

CAS:109882-27-1

Heterocyclic compounds with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoi

Formula:

C₁₆H₂₂ClN₃O₃

Color and Shape:

Light Orange Solid

Molecular weight:

339.13497

Ref: 45-1065276

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Fosinopril Related Compound D ((4R)-4-cyclohexyl-1-[(R)-[(S)-1-hydroxy-2-methylpropoxy](4-phenylbutyl)phosphinyl]acetyl-L-proline propionate (ester), sodium salt)

Aromatic or modified aromatic drugs with nitrogen heter

Formula:

C₃₀H₄₅NNaO₇P

Color and Shape:

White Powder

Molecular weight:

585.28313

Ref: 45-1283448

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Triclocarban Related Compound C (1,3-Bis(3,4-dichlorophenyl)urea)

CAS:4300-43-0

Ureines and their derivatives; salts thereof

Formula:

C₁₃H₈Cl₄N₂O

Color and Shape:

White Off-White Powder

Molecular weight:

347.93907

Ref: 45-1681845

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Ibutilide Related Compound B (N-Ethyl-N-heptyl-4-hydroxy-4-[4-(methylsulfonamido)phenyl]butanamide)

CAS:160087-98-9

Sulfonamides, nesoi

Formula:

C₂₀H₃₄N₂O₄S

Color and Shape:

White Off-White Powder

Molecular weight:

398.22393

Ref: 45-1335632

Estimated delivery in United States, on Tuesday 15 Oct 2024

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