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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
Indapamide Related Compound A (4-chloro-N-(2-methyl-1H-indol-1-yl)-3-sulfamoylbenzamide)
REF: 45-1338812CAS: 63968-75-2 		- - -1,390.00 €Fri 27 Dec 24
Temozolomide Related Compound B (3-methyl-1,1-diphenylurea)
REF: 45-1643565CAS: 13114-72-2 		- - -1,371.00 €Fri 27 Dec 24
Indole
REF: 45-1340086CAS: 120-72-9 		- - -1,308.00 €Fri 27 Dec 24
Glycopyrrolate Related Compound B (1-Methylpyrrolidin-3-yl 2-cyclopentyl-2-hydroxy-2-phenylacetate Hydrochloride)
REF: 45-1296031CAS: 13118-10-0 		- - -1,477.00 €Fri 27 Dec 24
Adapalene Related Compound C (2-(adamant-1-yl)methoxybenzene)
REF: 45-1011732CAS: 43109-77-9 		- - -1,371.00 €Fri 27 Dec 24
Trazodone Related Compound F (1-(3-chlorophenyl)-4-(3-chloropropyl)piperazine hydrochloride)
REF: 45-1673566CAS: 52605-52-4 		- - -1,477.00 €Fri 27 Dec 24
Benazepril Related Compound B (2-[(S)-3-{[(R)-1-Ethoxy-1-oxo-4-phenylbutan-2-yl]amino}-2-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepin-1-yl]acetic acid hydrochloride)
REF: 45-1048630CAS: 86541-77-7 		- - -1,441.00 €Fri 27 Dec 24
Ranitidine Related Compound A (5-{[(2-Aminoethyl)thio]methyl}-N,N-dimethyl-2-furanmethanamine hemifumarate)
REF: 45-1598507CAS: 256948-32-0 		- - -1,477.00 €Fri 27 Dec 24
Phenylephrine Related Compound D ((R)-3-{2-[Benzyl(methyl)amino]-1-hydroxyethyl}phenol)
REF: 45-1533035CAS: 1367567-95-0 		- - -1,477.00 €Fri 27 Dec 24
Phentermine Related Compound A (N-(2-Methyl-1-phenylpropan-2-yl)formamide)
REF: 45-1528512CAS: 52117-13-2 		- - -1,477.00 €Fri 27 Dec 24
Betamethasone Dipropionate Related Compound B (9-Fluoro-11β,21-dihydroxy-16β-methyl-3,20-dioxopregna-1,4-diene-17-yl propionate)
REF: 45-1067726CAS: 5534-13-4 		- - -2,076.00 €Fri 27 Dec 24
Olanzapine Related Compound A (5-Methyl-2-((2-nitrophenyl)amino)-3-thiophenecarbonitrile)
REF: 45-1478312CAS: 138564-59-7 		- - -1,371.00 €Fri 27 Dec 24
1,2-Dinitroglycerin
REF: 45-1213148CAS: 621-65-8 		- - -1,328.00 €Fri 27 Dec 24
Lanolin Alcohols
REF: 45-1356905CAS: 8027-33-6 		- - -493.00 €Fri 27 Dec 24
Clofazimine Related Compound B (5-(4-Chlorophenyl)-3-(isopropylimino)-N-phenyl-3,5-dihydrophenazin-2-amine)
REF: 45-1138926CAS: 2158184-11-1 		- - -1,552.00 €Fri 27 Dec 24
Ioversol Related Compound B (N,N'-Bis(2,3-dihydroxypropyl)-5-{[N-(2-hydroxyethyl)amino]-2-oxoethoxy}-2,4,6-triiodoisophthalamide)
REF: 45-1345126CAS: 104517-96-6 		- - -1,426.00 €Fri 27 Dec 24
Carisoprodol Related Compound A (2-hydroxymethyl-2-methylpentyl carbamate)
REF: 45-1096597CAS: 1471-56-3 		- - -1,477.00 €Fri 27 Dec 24
Dipyridamole Related Compound E (2,2',2'',2'''-{[6,8-Di(piperidin-1-yl)pyrimido[5,4-d]pyrimidine-2,4-diyl]bis(azanetriyl)}tetraethanol)
REF: 45-1220559		- - -1,552.00 €Fri 27 Dec 24
Risedronate Related Compound A ([1-Hydroxy-2-(2-pyridinyl)ethylidene]bis(phosphonic acid), monohydrate)
REF: 45-1604621CAS: 1220806-40-5 		- - -1,371.00 €Fri 27 Dec 24
Desacetyl Diltiazem Hydrochloride
REF: 45-1171706CAS: 75472-91-2 		- - -1,511.00 €Fri 27 Dec 24
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Indapamide Related Compound A (4-chloro-N-(2-methyl-1H-indol-1-yl)-3-sulfamoylbenzamide)
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Indapamide Related Compound A (4-chloro-N-(2-methyl-1H-indol-1-yl)-3-sulfamoylbenzamide)

CAS:63968-75-2
Sulfonamides, nesoi
Formula:
C16H14ClN3O3S
Color and Shape:
Yellow Brown Powder
Molecular weight:
363.04444

Ref: 45-1338812

Estimated delivery in United States, on Friday 27 Dec 2024
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Temozolomide Related Compound B (3-methyl-1,1-diphenylurea)

CAS:13114-72-2
Ureines and their derivatives; salts thereof
Formula:
C14H14N2O
Color and Shape:
Powder
Molecular weight:
226.11061

Ref: 45-1643565

Estimated delivery in United States, on Friday 27 Dec 2024
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Indole

CAS:120-72-9
Acridine (10-azaanthracene) and indole (2,3-benzopyrrole)
Formula:
C8H7N
Color and Shape:
White Crystalline Powder
Molecular weight:
117.05785

Ref: 45-1340086

Estimated delivery in United States, on Friday 27 Dec 2024
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Glycopyrrolate Related Compound B (1-Methylpyrrolidin-3-yl 2-cyclopentyl-2-hydroxy-2-phenylacetate Hydrochloride)

CAS:13118-10-0
Aromatic polycarboxylic acids, their anhydrides, halide
Formula:
C18H25NO3
Color and Shape:
Off-White Powder
Molecular weight:
303.18344

Ref: 45-1296031

Estimated delivery in United States, on Friday 27 Dec 2024
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Adapalene Related Compound C (2-(adamant-1-yl)methoxybenzene)
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Adapalene Related Compound C (2-(adamant-1-yl)methoxybenzene)

CAS:43109-77-9
Aromatic ethers and their halogenated, sulfonated, nitrated or nitrosated derivatives
Formula:
C17H22O
Color and Shape:
Powder
Molecular weight:
242.16707

Ref: 45-1011732

Estimated delivery in United States, on Friday 27 Dec 2024
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Trazodone Related Compound F (1-(3-chlorophenyl)-4-(3-chloropropyl)piperazine hydrochloride)

CAS:52605-52-4
Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, …
Formula:
C13H18Cl2N2·ClH
Color and Shape:
White Powder
Molecular weight:
308.06138

Ref: 45-1673566

Estimated delivery in United States, on Friday 27 Dec 2024
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Benazepril Related Compound B (2-[(S)-3-{[(R)-1-Ethoxy-1-oxo-4-phenylbutan-2-yl]amino}-2-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepin-1-yl]acetic acid hydrochloride)

CAS:86541-77-7
Lactams not elsewhere specified or included
Formula:
C24H28N2O5·HCl
Color and Shape:
White Fluffy Powder
Molecular weight:
424.19982

Ref: 45-1048630

Estimated delivery in United States, on Friday 27 Dec 2024
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Ranitidine Related Compound A (5-{[(2-Aminoethyl)thio]methyl}-N,N-dimethyl-2-furanmethanamine hemifumarate)

CAS:256948-32-0
Compounds containing an unfused furan ring, whether or not hydrogenated, in the structure, nesoi
Formula:
C10H18N2OSC4H4O4
Color and Shape:
Off-White Crystalline Powder
Molecular weight:
272.36

Ref: 45-1598507

Estimated delivery in United States, on Friday 27 Dec 2024
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Phenylephrine Related Compound D ((R)-3-{2-[Benzyl(methyl)amino]-1-hydroxyethyl}phenol)

CAS:1367567-95-0
Aromatic amino-alcohol-phenols, aromatic amino-acid-phe
Formula:
C16H19NO2
Color and Shape:
White Powder
Molecular weight:
257.14158

Ref: 45-1533035

Estimated delivery in United States, on Friday 27 Dec 2024
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Phentermine Related Compound A (N-(2-Methyl-1-phenylpropan-2-yl)formamide)

CAS:52117-13-2
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C11H15NO
Color and Shape:
Light Yellow Liquid
Molecular weight:
177.11536

Ref: 45-1528512

Estimated delivery in United States, on Friday 27 Dec 2024
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Betamethasone Dipropionate Related Compound B (9-Fluoro-11β,21-dihydroxy-16β-methyl-3,20-dioxopregna-1,4-diene-17-yl propionate)

CAS:5534-13-4
Halogenated derivatives of adrenal cortical hormones
Formula:
C25H33FO6
Color and Shape:
White Powder
Molecular weight:
448.22612

Ref: 45-1067726

Estimated delivery in United States, on Friday 27 Dec 2024
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Olanzapine Related Compound A (5-Methyl-2-((2-nitrophenyl)amino)-3-thiophenecarbonitrile)
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Olanzapine Related Compound A (5-Methyl-2-((2-nitrophenyl)amino)-3-thiophenecarbonitrile)

CAS:138564-59-7
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C12H9N3O2S
Color and Shape:
Red Brown Orange Dark Red Powder
Molecular weight:
259.04155

Ref: 45-1478312

Estimated delivery in United States, on Friday 27 Dec 2024
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1,2-Dinitroglycerin

CAS:621-65-8
Esters of other inorganic acids of nonmetals & their salts, their halogenated/sulfonated/nitrated/nitrosated derivs, except of …
Formula:
C3H6N2O7
Color and Shape:
Clear Colorless Liquid
Molecular weight:
182.0175

Ref: 45-1213148

Estimated delivery in United States, on Friday 27 Dec 2024
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Lanolin Alcohols

CAS:8027-33-6
Wool grease, except crude, and fatty substances derived
Color and Shape:
Pale Yellow Brownish Yellow Waxy Solid

Ref: 45-1356905

Estimated delivery in United States, on Friday 27 Dec 2024
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Clofazimine Related Compound B (5-(4-Chlorophenyl)-3-(isopropylimino)-N-phenyl-3,5-dihydrophenazin-2-amine)

CAS:2158184-11-1
Aromatic or modified aromatic heterocyclic compounds withnitrogen hetero-atom(s) only nesoi
Formula:
C27H23ClN4
Color and Shape:
Orange Red Powder
Molecular weight:
438.16112

Ref: 45-1138926

Estimated delivery in United States, on Friday 27 Dec 2024
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Ioversol Related Compound B (N,N'-Bis(2,3-dihydroxypropyl)-5-{[N-(2-hydroxyethyl)amino]-2-oxoethoxy}-2,4,6-triiodoisophthalamide)

CAS:104517-96-6
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C18H24I3N3O9
Color and Shape:
White Off-White Granular
Molecular weight:
806.86467

Ref: 45-1345126

Estimated delivery in United States, on Friday 27 Dec 2024
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Carisoprodol Related Compound A (2-hydroxymethyl-2-methylpentyl carbamate)

CAS:1471-56-3
Acyclic amides (including acyclic carbamates) and their derivatives and salts thereof, nesoi
Formula:
C8H17NO3
Color and Shape:
White Powder
Molecular weight:
175.12084

Ref: 45-1096597

Estimated delivery in United States, on Friday 27 Dec 2024
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Dipyridamole Related Compound E (2,2',2'',2'''-{[6,8-Di(piperidin-1-yl)pyrimido[5,4-d]pyrimidine-2,4-diyl]bis(azanetriyl)}tetraethanol)

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, …
Formula:
C24H40N8O4
Color and Shape:
Solid
Molecular weight:
504.31725

Ref: 45-1220559

Estimated delivery in United States, on Friday 27 Dec 2024
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Risedronate Related Compound A ([1-Hydroxy-2-(2-pyridinyl)ethylidene]bis(phosphonic acid), monohydrate)

CAS:1220806-40-5
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C7H11NO7P2·H2O
Color and Shape:
White Crystalline Powder
Molecular weight:
301.01164

Ref: 45-1604621

Estimated delivery in United States, on Friday 27 Dec 2024
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Desacetyl Diltiazem Hydrochloride

CAS:75472-91-2
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C20H24N2O3S·HCl
Color and Shape:
White Solid Crystalline Powder
Molecular weight:
372.15076

Ref: 45-1171706

Estimated delivery in United States, on Friday 27 Dec 2024
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