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
Rivastigmine Related Compound E ((S)-1-(3-{[Ethyl(methyl)carbamoyl]oxy}phenyl)-N,N,N-trimethylethanaminium chloride) REF: 45-1604950	- - -	1,477.00 €	Fri 27 Dec 24
Tiotropium Related Compound H ((2RS,3aSR,5RS,6RS,6aRS)-6-Hydroxy-4,4-dimethylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-4-ium bromide) REF: 45-1667632	- - -	2,587.00 €	Fri 27 Dec 24
Vinorelbine Related Compound A (4-O-Deacetylvinorelbine tartrate) REF: 45-1714528	- - -	2,084.00 €	Fri 27 Dec 24
Pancuronium Bromide Related Compound B (1,1'-(17β-Acetoxy-3α-hydroxy-5α-androstan-2β,16β-ylene) bis(1-methylpiperidinium) dibromide) REF: 45-1494239CAS: 41261-71-6	- - -	1,357.00 €	Fri 27 Dec 24
Gabapentin Related Compound E (carboxymethyl-cyclohexanecarboxylic acid) REF: 45-1287369CAS: 67950-95-2	- - -	1,371.00 €	Fri 27 Dec 24
Azelastine Related Compound F (4-[4-(4-Chlorobenzyl)-1-oxophthalazin-2(1H)-yl]-1-methylazepane 1-oxide) REF: 45-1046213CAS: 640279-88-5	- - -	1,292.00 €	Fri 27 Dec 24
Nitazoxanide Related Compound A (5-Nitrothiazole-2-amine) REF: 45-1463971CAS: 121-66-4	- - -	1,371.00 €	Fri 27 Dec 24
Roflumilast Related Compound A (3-(Cyclopropylmethoxy)-N-(3,5-dichloropyridin-4-yl)-4-hydroxybenzamide) REF: 45-1605023CAS: 475271-62-6	- - -	1,469.00 €	Fri 27 Dec 24
Isomalathion (Diethyl 2-{[methoxy(methylthio)phosphoryl]thio}succinate) REF: 45-1349604CAS: 3344-12-5	- - -	1,292.00 €	Fri 27 Dec 24
Amoxicillin Related Compound H ((R)-2-(4-hydroxyphenyl)-2-pivalamidoacetic acid) REF: 45-1031616CAS: 205826-86-4	- - -	1,308.00 €	Fri 27 Dec 24
Mirtazapine Related Compound C (2-Methyl-3,4,10,14b-tetrahydrobenzo[c]pyrazino[1,2-a]pyrido[3,2-f]azepin-1(2H)-one) REF: 45-1444241CAS: 191546-96-0	- - -	1,477.00 €	Fri 27 Dec 24
Amantadine Related Compound B (N-(Adamantan-1-yl)acetamide) REF: 45-1018527CAS: 880-52-4	- - -	1,477.00 €	Fri 27 Dec 24
Tetrabenazine Related Compound C ((3RS,11bRS)-3-Butyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-one) REF: 45-1649812CAS: 86457-13-8	- - -	815.00 €	Fri 27 Dec 24
Phenylephrine Related Compound E (2-[Benzyl(methyl)amino]-1-(3-hydroxyphenyl)ethan-1-one hydrochloride) REF: 45-1533046CAS: 71786-67-9	- - -	1,477.00 €	Fri 27 Dec 24
Dihydrodutasteride (N-[2,5-Bis(trifluoromethyl)phenyl]-3-oxo-4-aza-5α-androst-1-ene-17β-carboxamide) REF: 45-1200917CAS: 164656-22-8	- - -	1,398.00 €	Fri 27 Dec 24
Fluoxetine Related Compound A (N-Methyl-3-phenyl-3-[3-(trifluoromethyl)phenoxy]propan-1-amine hydrochloride) REF: 45-1279815CAS: 79088-29-2	- - -	1,477.00 €	Fri 27 Dec 24
Ranolazine Related Compound A ((+/-)-2-[(2-methoxyphenoxy)methyl]oxirane) REF: 45-1598755CAS: 2210-74-4	- - -	1,477.00 €	Fri 27 Dec 24
Dopamine Related Compound C (2-(3,4-Dimethoxyphenyl)ethan-1-amine) REF: 45-1225237CAS: 120-20-7	- - -	1,733.00 €	Fri 27 Dec 24
Selegiline Related Compound D ((R)-N-(1-Phenylpropan-2-yl)prop-2-yn-1-amine hydrochloride) REF: 45-1611944CAS: 115586-38-4	- - -	1,927.00 €	Fri 27 Dec 24
Furosemide Related Compound A (2-Chloro-4-N-furfurylamino-5-sulfamoylbenzoic Acid) REF: 45-1287020CAS: 4818-59-1	- - -	1,477.00 €	Fri 27 Dec 24

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Rivastigmine Related Compound E ((S)-1-(3-{[Ethyl(methyl)carbamoyl]oxy}phenyl)-N,N,N-trimethylethanaminium chloride)

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

Formula:

C₁₅H₂₅ClN₂O₂

Color and Shape:

Powder

Molecular weight:

300.16046

Ref: 45-1604950

Estimated delivery in United States, on Friday 27 Dec 2024

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Tiotropium Related Compound H ((2RS,3aSR,5RS,6RS,6aRS)-6-Hydroxy-4,4-dimethylhexahydro-2H-2,5-methanofuro[3,2-b]pyrrol-4-ium bromide)

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

Formula:

C₉H₁₆BrNO₂

Color and Shape:

White Powder

Molecular weight:

249.03644

Ref: 45-1667632

Estimated delivery in United States, on Friday 27 Dec 2024

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Vinorelbine Related Compound A (4-O-Deacetylvinorelbine tartrate)

Other alkaloids,natural or reproduced by synthesis, and their salts, ethers,esters&other derivatives, nesoi

Formula:

C₄₃H₅₂N₄O₇· 2C₄H₆O₆

Color and Shape:

Light Yellow Off-White Powder

Molecular weight:

736.3836

Ref: 45-1714528

Estimated delivery in United States, on Friday 27 Dec 2024

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

CAS:41261-71-6

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₃₃H₅₈N₂O₃· 2Br

Color and Shape:

Off-White Crystalline Powder

Molecular weight:

530.44474

Ref: 45-1494239

Estimated delivery in United States, on Friday 27 Dec 2024

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Gabapentin Related Compound E (carboxymethyl-cyclohexanecarboxylic acid)

CAS:67950-95-2

Cyclanic, cyclenic or cycloterpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives

Formula:

C₉H₁₄O₄

Color and Shape:

White Powder

Molecular weight:

186.08921

Ref: 45-1287369

Estimated delivery in United States, on Friday 27 Dec 2024

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Azelastine Related Compound F (4-[4-(4-Chlorobenzyl)-1-oxophthalazin-2(1H)-yl]-1-methylazepane 1-oxide)

CAS:640279-88-5

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

Formula:

C₂₂H₂₄ClN₃O₂

Color and Shape:

White Solid

Molecular weight:

397.1557

Ref: 45-1046213

Estimated delivery in United States, on Friday 27 Dec 2024

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Nitazoxanide Related Compound A (5-Nitrothiazole-2-amine)

CAS:121-66-4

Compounds containing an unfused thiazole ring (whether

Formula:

C₃H₃N₃O₂S

Color and Shape:

Yellow Powder

Molecular weight:

145.15 g/mol

Ref: 45-1463971

Estimated delivery in United States, on Friday 27 Dec 2024

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Roflumilast Related Compound A (3-(Cyclopropylmethoxy)-N-(3,5-dichloropyridin-4-yl)-4-hydroxybenzamide)

CAS:475271-62-6

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₁₆H₁₄Cl₂N₂O₃

Color and Shape:

Light Orange Powder

Molecular weight:

352.03815

Ref: 45-1605023

Estimated delivery in United States, on Friday 27 Dec 2024

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Isomalathion (Diethyl 2-{[methoxy(methylthio)phosphoryl]thio}succinate)

CAS:3344-12-5

Organo-sulfur compounds, nesoi

Formula:

C₁₀H₁₉O₆PS₂

Color and Shape:

Colorless Clear Liquid

Molecular weight:

330.03607

Ref: 45-1349604

Estimated delivery in United States, on Friday 27 Dec 2024

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Amoxicillin Related Compound H ((R)-2-(4-hydroxyphenyl)-2-pivalamidoacetic acid)

CAS:205826-86-4

Aromatic amino-alcohol-phenols, aromatic amino-acid-phenols and other aromatic amino compounds with oxygen function

Formula:

C₁₃H₁₇NO₄

Color and Shape:

Off-White Powder

Molecular weight:

251.11576

Ref: 45-1031616

Estimated delivery in United States, on Friday 27 Dec 2024

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Mirtazapine Related Compound C (2-Methyl-3,4,10,14b-tetrahydrobenzo[c]pyrazino[1,2-a]pyrido[3,2-f]azepin-1(2H)-one)

CAS:191546-96-0

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

Formula:

C₁₇H₁₇N₃O

Color and Shape:

White Off-White Crystalline Powder

Molecular weight:

279.13716

Ref: 45-1444241

Estimated delivery in United States, on Friday 27 Dec 2024

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Amantadine Related Compound B (N-(Adamantan-1-yl)acetamide)

CAS:880-52-4

Cyclic amides and their derivatives, nesoi

Formula:

C₁₂H₁₉NO

Color and Shape:

White Powder

Molecular weight:

193.14666

Ref: 45-1018527

Estimated delivery in United States, on Friday 27 Dec 2024

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Tetrabenazine Related Compound C ((3RS,11bRS)-3-Butyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-one)

CAS:86457-13-8

Aromatic or modified aromatic heterocyclic compounds withnitrogen hetero-atom(s) only nesoi

Formula:

C₁₉H₂₇NO₃

Color and Shape:

Off-White Powder

Molecular weight:

317.19909

Ref: 45-1649812

Estimated delivery in United States, on Friday 27 Dec 2024

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Phenylephrine Related Compound E (2-[Benzyl(methyl)amino]-1-(3-hydroxyphenyl)ethan-1-one hydrochloride)

CAS:71786-67-9

Aromatic amino-alcohol-phenols, aromatic amino-acid-phenols and other aromatic amino compounds with oxygen function

Formula:

C₁₆H₁₇NO₂·HCl

Color and Shape:

Grey To White Powder

Molecular weight:

291.10261

Ref: 45-1533046

Estimated delivery in United States, on Friday 27 Dec 2024

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Dihydrodutasteride (N-[2,5-Bis(trifluoromethyl)phenyl]-3-oxo-4-aza-5α-androst-1-ene-17β-carboxamide)

CAS:164656-22-8

Lactams not elsewhere specified or included

Formula:

C₂₇H₃₂F₆N₂O₂

Color and Shape:

White Solid

Molecular weight:

530.2368

Ref: 45-1200917

Estimated delivery in United States, on Friday 27 Dec 2024

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Fluoxetine Related Compound A (N-Methyl-3-phenyl-3-[3-(trifluoromethyl)phenoxy]propan-1-amine hydrochloride)

CAS:79088-29-2

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

Formula:

C₁₇H₁₈F₃NO·HCl

Color and Shape:

White Yellow Fine Powder

Molecular weight:

309.13405

Ref: 45-1279815

Estimated delivery in United States, on Friday 27 Dec 2024

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Ranolazine Related Compound A ((+/-)-2-[(2-methoxyphenoxy)methyl]oxirane)

CAS:2210-74-4

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides etc not elsewhere specified …

Formula:

C₁₀H₁₂O₃

Color and Shape:

White Colorless Powder

Molecular weight:

180.07864

Ref: 45-1598755

Estimated delivery in United States, on Friday 27 Dec 2024

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Dopamine Related Compound C (2-(3,4-Dimethoxyphenyl)ethan-1-amine)

CAS:120-20-7

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

Formula:

C₁₀H₁₅NO₂

Color and Shape:

Yellow Brown Liquid

Molecular weight:

181.11028

Ref: 45-1225237

Estimated delivery in United States, on Friday 27 Dec 2024

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Selegiline Related Compound D ((R)-N-(1-Phenylpropan-2-yl)prop-2-yn-1-amine hydrochloride)

CAS:115586-38-4

Aromatic monoamines and their derivatives, salts thereof, nesoi

Formula:

C₁₂H₁₅N·HCl

Color and Shape:

White Off-White Powder

Molecular weight:

209.09713

Ref: 45-1611944

Estimated delivery in United States, on Friday 27 Dec 2024

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Furosemide Related Compound A (2-Chloro-4-N-furfurylamino-5-sulfamoylbenzoic Acid)

CAS:4818-59-1

Sulfonamides, nesoi

Formula:

C₁₂H₁₁ClN₂O₅S

Color and Shape:

White Off-White Powder

Molecular weight:

330.00772

Ref: 45-1287020

Estimated delivery in United States, on Friday 27 Dec 2024

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