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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
Anhydro Simvastatin ((1S,3R,7S,8S,8aR)-3,7-Dimethyl-8-[2-[(2R)-6-oxo-3,6-dihydro-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-dimethylbutanoate)
REF: 45-1035402CAS: 210980-68-0 		- - -1,346.00 €Mon 30 Dec 24
Riluzole Related Compound A (4-(Trifluoromethoxy)aniline)
REF: 45-1604348CAS: 461-82-5 		- - -1,371.00 €Mon 30 Dec 24
Bendamustine Related Compound H (4-[5-({2-[(4-{5-[Bis(2-chloroethyl)amino]-1-methyl-1H-benzimidazol-2-yl}butanoyl)oxy]ethyl}(2-chloroethyl)amino)-1-methyl-1H-benzimidazol-2-yl]butanoic acid)
REF: 45-1065301CAS: 1228551-91-4 		- - -1,357.00 €Mon 30 Dec 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 €Mon 30 Dec 24
Methoxsalen Related Compound A (4-Methoxy-7H-furo[3,2-g]chromen-7-one)
REF: 45-1065345CAS: 484-20-8 		- - -1,460.00 €Mon 30 Dec 24
Desogestrel Related Compound D (13-Ethyl-11-methylenegon-4-en-17-one)
REF: 45-1173279CAS: 54024-21-4 		- - -1,308.00 €Mon 30 Dec 24
Imiquimod Related Compound B (1-Isobutyl-1H-imidazo[4,5-c]quinoline 5-oxide)
REF: 45-1338335CAS: 99010-63-6 		- - -1,477.00 €Mon 30 Dec 24
N-Demethylazithromycin
REF: 45-1046089CAS: 172617-84-4 		- - -1,511.00 €Mon 30 Dec 24
Amitriptyline Related Compound B (5-[3-(dimethylamino)propyl]-10,11-dihydro-5H-dibenzo[a,d]-cyclohepten-5-ol)
REF: 45-1029024CAS: 1159-03-1 		- - -1,477.00 €Mon 30 Dec 24
Desbenzyl Donepezil Hydrochloride
REF: 45-1171819CAS: 120013-39-0 		- - -1,346.00 €Mon 30 Dec 24
Amifostine Thiol (Ethanethiol, 2-[(3-aminopropyl)amino]-, dihydrochloride)
REF: 45-1019428CAS: 14653-77-1 		- - -1,371.00 €Mon 30 Dec 24
Desflurane Related Compound A (Bis-(1,2,2,2-tetrafluoroethyl)ether)
REF: 45-1171910CAS: 67429-44-1 		- - -1,439.00 €Mon 30 Dec 24
Gatifloxacin Related Compound A (1-Cyclopropyl-6-fluoro-8-hydroxy-7-(3-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid)
REF: 45-1288419CAS: 616205-76-6 		- - -1,292.00 €Mon 30 Dec 24
Ciprofloxacin Related Compound A (7-Chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid hydrochloride salt)
REF: 45-1134346		- - -1,477.00 €Mon 30 Dec 24
Modafinil Related Compound C (2-[(diphenylmethyl)sulfenyl]acetamide)
REF: 45-1445368CAS: 68524-30-1 		- - -1,371.00 €Mon 30 Dec 24
Potassium Trichloroammineplatinate
REF: 45-1551300CAS: 13820-91-2 		- - -To inquireMon 30 Dec 24
Moxifloxacin Related Compound A (1-cyclopropyl-6,8-difluoro-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic acid)
REF: 45-1448617CAS: 151213-15-9 		- - -1,477.00 €Mon 30 Dec 24
Iso-propyl p-Toluenesulfonate (Isopropyl toluene-4-sulfonate)
REF: 45-1350625CAS: 2307-69-9 		- - -844.00 €Mon 30 Dec 24
Praziquantel Related Compound A (2-benzoyl-1,2,3,6,7,11b-hexahydro-4H-pyrazino [2,1-a]isoquinolin-4-one)
REF: 45-1554658CAS: 54761-87-4 		- - -1,371.00 €Mon 30 Dec 24
Daunorubicinone ((8S,10S)-8-Acetyl-6,8,10,11-tetrahydroxy-1-methoxy-7,8,9,10-tetrahydrotetracene-5,12-dione)
REF: 45-1164697CAS: 21794-55-8 		- - -1,371.00 €Mon 30 Dec 24
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Anhydro Simvastatin ((1S,3R,7S,8S,8aR)-3,7-Dimethyl-8-[2-[(2R)-6-oxo-3,6-dihydro-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-dimethylbutanoate)

CAS:210980-68-0
Lactones nesoi
Formula:
C25H36O4
Color and Shape:
Off-White Powder
Molecular weight:
400.26136

Ref: 45-1035402

Estimated delivery in United States, on Monday 30 Dec 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

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Bendamustine Related Compound H (4-[5-({2-[(4-{5-[Bis(2-chloroethyl)amino]-1-methyl-1H-benzimidazol-2-yl}butanoyl)oxy]ethyl}(2-chloroethyl)amino)-1-methyl-1H-benzimidazol-2-yl]butanoic acid)

CAS:1228551-91-4
Heterocyclic compounds with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoi
Formula:
C32H41Cl3N6O4
Color and Shape:
Off-White Yellow Orange Solid
Molecular weight:
678.22549

Ref: 45-1065301

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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

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Methoxsalen Related Compound A (4-Methoxy-7H-furo[3,2-g]chromen-7-one)

CAS:484-20-8
Lactones, nesoi
Formula:
C12H8O4
Color and Shape:
White Powder
Molecular weight:
216.04226

Ref: 45-1065345

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Desogestrel Related Compound D (13-Ethyl-11-methylenegon-4-en-17-one)
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Desogestrel Related Compound D (13-Ethyl-11-methylenegon-4-en-17-one)

CAS:54024-21-4
Cyclanic, cyclenic or cycloterpenic ketones without other oxygen function not elsewhere specified or included
Formula:
C20H28O
Color and Shape:
White Off-White Crystalline Powder
Molecular weight:
284.21402

Ref: 45-1173279

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Imiquimod Related Compound B (1-Isobutyl-1H-imidazo[4,5-c]quinoline 5-oxide)

CAS:99010-63-6
Aromatic or modified aromatic heterocyclic compounds withnitrogen hetero-atom(s) only nesoi
Formula:
C14H15N3O
Color and Shape:
Yellow Powder
Molecular weight:
241.12151

Ref: 45-1338335

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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

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Amitriptyline Related Compound B (5-[3-(dimethylamino)propyl]-10,11-dihydro-5H-dibenzo[a,d]-cyclohepten-5-ol)

CAS:1159-03-1
Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and …
Formula:
C20H25NO
Color and Shape:
White Powder
Molecular weight:
295.19361

Ref: 45-1029024

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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 Monday 30 Dec 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

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Desflurane Related Compound A (Bis-(1,2,2,2-tetrafluoroethyl)ether)

CAS:67429-44-1
Ethers of monohydric alcohols, nesoi
Formula:
C4H2F8O
Color and Shape:
Colorless Liquid
Molecular weight:
217.99779

Ref: 45-1171910

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Gatifloxacin Related Compound A (1-Cyclopropyl-6-fluoro-8-hydroxy-7-(3-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid)

CAS:616205-76-6
Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, …
Formula:
C18H20FN3O4
Color and Shape:
Yellow Solid
Molecular weight:
361.14378

Ref: 45-1288419

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Ciprofloxacin Related Compound A (7-Chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid hydrochloride salt)

Compounds containing a pyrimidine ring (whether or not
Formula:
C17H18N3O3Cl·HCl
Color and Shape:
Pale Yellow Powder
Molecular weight:
384.26

Ref: 45-1134346

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Modafinil Related Compound C (2-[(diphenylmethyl)sulfenyl]acetamide)
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Modafinil Related Compound C (2-[(diphenylmethyl)sulfenyl]acetamide)

CAS:68524-30-1
Other aromatic organo-sulfur compounds (excluding pesti
Formula:
C15H15NOS
Color and Shape:
White Powder
Molecular weight:
257.08744

Ref: 45-1445368

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Potassium Trichloroammineplatinate

CAS:13820-91-2
Inorganic or organic compounds of precious metals, whether or not chemically defined; amalgrams of precious …
Formula:
Cl3H3KNPt
Color and Shape:
Orange Yellow Crystals
Molecular weight:
355.86161

Ref: 45-1551300

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Moxifloxacin Related Compound A (1-cyclopropyl-6,8-difluoro-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic acid)

CAS:151213-15-9
Compounds (excluding drugs and pesticides) containing a quinoline or isoquinoline ring-system (whether or not hydrogenated) …
Formula:
C20H21F2N3O3
Color and Shape:
White Off-White Powder
Molecular weight:
389.1551

Ref: 45-1448617

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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 Monday 30 Dec 2024
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Praziquantel Related Compound A (2-benzoyl-1,2,3,6,7,11b-hexahydro-4H-pyrazino [2,1-a]isoquinolin-4-one)

CAS:54761-87-4
Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, …
Formula:
C19H18N2O2
Color and Shape:
White Crystalline Powder
Molecular weight:
306.13683

Ref: 45-1554658

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Daunorubicinone ((8S,10S)-8-Acetyl-6,8,10,11-tetrahydroxy-1-methoxy-7,8,9,10-tetrahydrotetracene-5,12-dione)

CAS:21794-55-8
Ketone-phenols and ketones with other oxygen function
Formula:
C21H18O8
Color and Shape:
Powder
Molecular weight:
398.10017

Ref: 45-1164697

Estimated delivery in United States, on Monday 30 Dec 2024
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