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
Gemfibrozil Related Compound A ((E,Z)-2,2-dimethyl-5-[2,5-dimethyl-4-(propene-1-yl)phenoxy]valeric acid) REF: 45-1288510CAS: 500904-61-0	- - -	1,441.00 €	Tue 15 Oct 24
Carbidopa Related Compound A (3-O-Methylcarbidopa) REF: 45-1095517CAS: 85933-19-3	- - -	1,477.00 €	Tue 15 Oct 24
N-Benzyl-N-methyl-ethanolamine (2-[benzyl(methyl)amino]ethanol) REF: 45-1064122CAS: 101-98-4	- - -	1,477.00 €	Tue 15 Oct 24
Melengestrol Acetate Related Compound B (6,16-Dimethylene-3,20-dioxopregn-4-en-17-yl acetate) REF: 45-1379276CAS: 80097-73-0	- - -	1,441.00 €	Tue 15 Oct 24
Felbamate Related Compound A (3-Hydroxy-2-phenylpropyl carbamate) REF: 45-1269323CAS: 25451-53-0	- - -	1,439.00 €	Tue 15 Oct 24
Flavoxate Related Compound B (Methyl 3-methyl-4-oxo-2-phenyl-4H-chromene-8-carboxylate) REF: 45-1270720CAS: 90101-87-4	- - -	1,477.00 €	Tue 15 Oct 24
Proguanil Related Compound E (1-(4-chlorophenyl)-3-cyanoguanidine) REF: 45-1568073CAS: 1482-62-8	- - -	865.00 €	Tue 15 Oct 24
Phenylephrine Related Compound G ((R)-N-(2-Hydroxy-2-(3-hydroxyphenyl)ethyl)-N-methylglycine) REF: 45-1533272CAS: 1094089-46-9	- - -	1,477.00 €	Tue 15 Oct 24
Iohexol Related Compound C (N,N'-Bis(2,3-dihydroxypropyl)-5-nitro-1,3- benzenedicarboxamide) REF: 45-1344666CAS: 76820-34-3	- - -	1,371.00 €	Tue 15 Oct 24
Amoxicillin Related Compound C ((4S)-2-[5-(4-hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethylthiazolidine-4-carboxylic acid) REF: 45-1031536CAS: 94659-47-9	- - -	1,477.00 €	Tue 15 Oct 24
Metaraminol Related Compound B (2-Amino-1-[3-(benzyloxy)phenyl]propan-1-ol) REF: 45-1396047CAS: 1940-82-5	- - -	1,238.00 €	Tue 15 Oct 24
Pyridostigmine Related Compound B (3-Hydroxy-1-methylpyridin-1-ium bromide) REF: 45-1586031CAS: 31034-86-3	- - -	1,441.00 €	Tue 15 Oct 24
Azelastine Related Compound E (3-(4-chlorobenzylidene)isobenzofuran-1(3H)-one) REF: 45-1046202	- - -	1,441.00 €	Tue 15 Oct 24
Oxaliplatin Related Compound C ([1R-trans-(1,2-cyclohexanediamine-N,N')]-trans-dihydroxido-[oxalato(2-)-O,O']platinum(IV)) REF: 45-1481237CAS: 111321-67-6	- - -	To inquire	Tue 15 Oct 24
Amitraz Related Compound C (N,N'-Bis(2,4-dimethylphenyl)formimidamide) REF: 45-1028032CAS: 16596-04-6	- - -	589.00 €	Tue 15 Oct 24
Perindopril Related Compound K ((3S,5aS,9aS,10aS)-3-methyldecahydropyrazino[1,2-a]indole-1,4-dione) REF: 45-1510999CAS: 2165676-00-4	- - -	1,552.00 €	Tue 15 Oct 24
Palonosetron Related Compound D ((R)-2-[(3S)-Quinuclidin-3-yl]-2,3,3a,4,5,6-hexahydro-1H-benzo[de]isoquinolin-1-one hydrochloride) REF: 45-1492255CAS: 135755-51-0	- - -	1,477.00 €	Tue 15 Oct 24
Isoguaifenesin REF: 45-1349149CAS: 14007-09-1	- - -	699.00 €	Tue 15 Oct 24
Betaxolol Related Compound A (1-(4-Ethylphenoxy)-3-(isopropylamino)propan-2-ol) REF: 45-1069914CAS: 67193-95-7	- - -	1,328.00 €	Tue 15 Oct 24
Ethacrynic Acid Related Compound A ((4-Butyryl-2,3-dichlorophenoxy)acetic acid) REF: 45-1256015CAS: 1217-67-0	- - -	1,469.00 €	Tue 15 Oct 24

Gemfibrozil Related Compound A ((E,Z)-2,2-dimethyl-5-[2,5-dimethyl-4-(propene-1-yl)phenoxy]valeric…

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Gemfibrozil Related Compound A ((E,Z)-2,2-dimethyl-5-[2,5-dimethyl-4-(propene-1-yl)phenoxy]valeric acid)

CAS:500904-61-0

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides etc, nesoi

Formula:

C₁₈H₂₆O₃

Color and Shape:

Off-White Powder

Molecular weight:

290.18819

Ref: 45-1288510

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Carbidopa Related Compound A (3-O-Methylcarbidopa)

CAS:85933-19-3

Aromatic organic derivatives of hydrazine or of hydroxylamine

Formula:

C₁₁H₁₆N₂O₄

Color and Shape:

Yellow Tan Powder

Molecular weight:

240.11101

Ref: 45-1095517

Estimated delivery in United States, on Tuesday 15 Oct 2024

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N-Benzyl-N-methyl-ethanolamine (2-[benzyl(methyl)amino]ethanol)

CAS:101-98-4

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

Formula:

C₁₀H₁₅NO

Color and Shape:

Clear Yellow Liquid

Molecular weight:

165.11536

Ref: 45-1064122

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Melengestrol Acetate Related Compound B (6,16-Dimethylene-3,20-dioxopregn-4-en-17-yl acetate)

CAS:80097-73-0

Estrogens and progestins

Formula:

C₂₅H₃₂O₄

Color and Shape:

White Yellow Powder

Molecular weight:

396.5

Ref: 45-1379276

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Felbamate Related Compound A (3-Hydroxy-2-phenylpropyl carbamate)

CAS:25451-53-0

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

Formula:

C₁₀H₁₃NO₃

Color and Shape:

White Crystalline Powder

Molecular weight:

195.08954

Ref: 45-1269323

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Flavoxate Related Compound B (Methyl 3-methyl-4-oxo-2-phenyl-4H-chromene-8-carboxylate)

CAS:90101-87-4

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

Formula:

C₁₈H₁₄O₄

Color and Shape:

White Off-White Powder

Molecular weight:

294.08921

Ref: 45-1270720

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Proguanil Related Compound E (1-(4-chlorophenyl)-3-cyanoguanidine)

CAS:1482-62-8

Nitrile function compounds, not elsewhere specified or

Formula:

C₈H₇ClN₄

Color and Shape:

White Off-White Powder

Molecular weight:

194.03592

Ref: 45-1568073

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Phenylephrine Related Compound G ((R)-N-(2-Hydroxy-2-(3-hydroxyphenyl)ethyl)-N-methylglycine)

CAS:1094089-46-9

Aromatic amino-alcohol-phenols, aromatic amino-acid-phe

Formula:

C₁₁H₁₅NO₄

Color and Shape:

White Powder

Molecular weight:

225.10011

Ref: 45-1533272

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Iohexol Related Compound C (N,N'-Bis(2,3-dihydroxypropyl)-5-nitro-1,3- benzenedicarboxamide)

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Iohexol Related Compound C (N,N'-Bis(2,3-dihydroxypropyl)-5-nitro-1,3- benzenedicarboxamide)

CAS:76820-34-3

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

Formula:

C₁₄H₁₉N₃O₈

Color and Shape:

White Powder

Molecular weight:

357.11721

Ref: 45-1344666

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Amoxicillin Related Compound C ((4S)-2-[5-(4-hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethylthiazolidine-4-carboxylic acid)

CAS:94659-47-9

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

Formula:

C₁₆H₁₉N₃O₅S

Color and Shape:

White Powder

Molecular weight:

365.10454

Ref: 45-1031536

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Metaraminol Related Compound B (2-Amino-1-[3-(benzyloxy)phenyl]propan-1-ol)

CAS:1940-82-5

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

Formula:

C₁₅H₁₉NO₂

Color and Shape:

White Solid

Molecular weight:

245.14158

Ref: 45-1396047

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Pyridostigmine Related Compound B (3-Hydroxy-1-methylpyridin-1-ium bromide)

CAS:31034-86-3

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₆H₈BrNO

Color and Shape:

White Off-White Solid

Molecular weight:

188.97893

Ref: 45-1586031

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Azelastine Related Compound E (3-(4-chlorobenzylidene)isobenzofuran-1(3H)-one)

Lactones nesoi

Formula:

C₁₅H₉ClO₂

Color and Shape:

Powder

Molecular weight:

256.02911

Ref: 45-1046202

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Oxaliplatin Related Compound C ([1R-trans-(1,2-cyclohexanediamine-N,N')]-trans-dihydroxido-[oxalato(2-)-O,O']platinum(IV))

CAS:111321-67-6

Inorganic or organic compounds of precious metals, whether or not chemically defined; amalgrams of precious …

Formula:

C₈H₁₆N₂O₆Pt

Color and Shape:

White Pale Yellow Powder

Molecular weight:

431.06563

Ref: 45-1481237

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Amitraz Related Compound C (N,N'-Bis(2,4-dimethylphenyl)formimidamide)

CAS:16596-04-6

Aromatic imines and their derivatives, salts thereof

Formula:

C₁₇H₂₀N₂

Color and Shape:

Powder

Molecular weight:

252.16265

Ref: 45-1028032

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Perindopril Related Compound K ((3S,5aS,9aS,10aS)-3-methyldecahydropyrazino[1,2-a]indole-1,4-dione)

CAS:2165676-00-4

Lactams, nesoi

Formula:

C₁₂H₁₈N₂O₂

Color and Shape:

White Powder

Molecular weight:

222.13683

Ref: 45-1510999

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Palonosetron Related Compound D ((R)-2-[(3S)-Quinuclidin-3-yl]-2,3,3a,4,5,6-hexahydro-1H-benzo[de]isoquinolin-1-one hydrochloride)

CAS:135755-51-0

Lactams, nesoi

Formula:

C₁₉H₂₄N₂O·HCl

Color and Shape:

White Yellow Powder

Molecular weight:

332.16554

Ref: 45-1492255

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Isoguaifenesin

CAS:14007-09-1

Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives not elsewhere specified or included

Formula:

C₁₀H₁₄O₄

Color and Shape:

Off-White Powder

Molecular weight:

198.08921

Ref: 45-1349149

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Betaxolol Related Compound A (1-(4-Ethylphenoxy)-3-(isopropylamino)propan-2-ol)

CAS:67193-95-7

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

Formula:

C₁₄H₂₃NO₂

Color and Shape:

White Crystalline Powder

Molecular weight:

237.17288

Ref: 45-1069914

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Ethacrynic Acid Related Compound A ((4-Butyryl-2,3-dichlorophenoxy)acetic acid)

CAS:1217-67-0

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

Formula:

C₁₂H₁₂Cl₂O₄

Color and Shape:

Off-White Powder

Molecular weight:

290.01126

Ref: 45-1256015

Estimated delivery in United States, on Tuesday 15 Oct 2024

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