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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
Abacavir Related Compounds Mixture
REF: 45-1000485		- - -1,552.00 €Mon 30 Dec 24
Tetrahydrozoline Related Compound B (2-(1,2,3,4-Tetrahydronaphthalen-1-yl)-1H-imidazole)
REF: 45-1652023CAS: 945389-41-3 		- - -1,222.00 €Mon 30 Dec 24
Fluconazole Related Compound C (1,1'-(1,3-phenylene)di(1H-1,2,4-triazole))
REF: 45-1271733CAS: 514222-44-7 		- - -1,371.00 €Mon 30 Dec 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 €Mon 30 Dec 24
Ticagrelor Related Compound A ((1R,2S)-2-(3,4-difluorophenyl)cyclopropan-1-amine (R)-mandelate)
REF: 45-1667188CAS: 376608-71-8 		- - -1,866.00 €Mon 30 Dec 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 €Mon 30 Dec 24
Brimonidine Related Compound E (2-(5-Bromoquinoxalin-6-yl)guanidine dihydrochloride)
REF: 45-1076454CAS: 168329-48-4 		- - -1,511.00 €Mon 30 Dec 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 €Mon 30 Dec 24
Desogestrel Related Compound B (13-Ethyl-3-hydroxy-11-methylene-18,19-dinor-17α-pregn-4-en-20-yn-17-ol)
REF: 45-1173257CAS: 869627-85-0 		- - -1,552.00 €Mon 30 Dec 24
Glimepiride Related Compound B (glimepiride sulfonamide, or 3-Ethyl-4-methyl-2-oxo-N-(4-sulfamoylphenethyl)-2,5-dihydro-1H-pyrrole-1-carboxamide)
REF: 45-1292325CAS: 119018-29-0 		- - -1,371.00 €Mon 30 Dec 24
Olanzapine Related Compound B (2-methyl-10H-thieno-[2,3-b][1,5]benzodiazepin-4[5H]-one)
REF: 45-1478323CAS: 221176-49-4 		- - -1,477.00 €Mon 30 Dec 24
Azelastine Related Compound D (4-(4-chlorobenzyl)phthalazin-1(2H)-one)
REF: 45-1046191CAS: 53242-88-9 		- - -1,371.00 €Mon 30 Dec 24
Dantrolene Related Compound C (5-(4-Nitrophenyl)furan-2-carbaldehyde)
REF: 45-1163184CAS: 7147-77-5 		- - -1,480.00 €Mon 30 Dec 24
Atenolol Related Compound B (2-[4-(2,3-Dihydroxypropoxy)phenyl]acetamide)
REF: 45-1044265CAS: 61698-76-8 		- - -1,222.00 €Mon 30 Dec 24
Metoclopramide Related Compound A (4-Acetamido-5-chloro-N-[2-(diethylamino)ethyl]-2-methoxybenzamide)
REF: 45-1440819CAS: 5608-13-9 		- - -1,371.00 €Mon 30 Dec 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 €Mon 30 Dec 24
Probucol Related Compound A (2,2',6,6'-tetra-tert-butyldiphenoquinone)
REF: 45-1563320CAS: 2455-14-3 		- - -1,145.00 €Mon 30 Dec 24
Nitazoxanide Related Compound B (2-Hydroxy-N-(5-nitrothiazol-2-yl) benzamide)
REF: 45-1463982CAS: 173903-47-4 		- - -1,371.00 €Mon 30 Dec 24
Diazepam Related Compound B (3-Amino-6-chloro-1-methyl-4-phenylcarbostyril)
REF: 45-1023403CAS: 5220-02-0 		- - -1,477.00 €Mon 30 Dec 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 €Mon 30 Dec 24
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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 Monday 30 Dec 2024
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Tetrahydrozoline Related Compound B (2-(1,2,3,4-Tetrahydronaphthalen-1-yl)-1H-imidazole)

CAS:945389-41-3
Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure nesoi
Formula:
C13H14N2
Color and Shape:
Off-White White Powder
Molecular weight:
198.1157

Ref: 45-1652023

Estimated delivery in United States, on Monday 30 Dec 2024
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Fluconazole Related Compound C (1,1'-(1,3-phenylene)di(1H-1,2,4-triazole))

CAS:514222-44-7
Heterocyclic compounds with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoi
Formula:
C10H8N6
Color and Shape:
White Powder
Molecular weight:
212.08104

Ref: 45-1271733

Estimated delivery in United States, on Monday 30 Dec 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 Monday 30 Dec 2024
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Ticagrelor Related Compound A ((1R,2S)-2-(3,4-difluorophenyl)cyclopropan-1-amine (R)-mandelate)

CAS:376608-71-8
Aromatic monoamines not elsewhere specified or included and their derivatives, salts therof
Formula:
C9H9F2N·C8H8O3
Color and Shape:
White Yellow Solid
Molecular weight:
321.11765

Ref: 45-1667188

Estimated delivery in United States, on Monday 30 Dec 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 Monday 30 Dec 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 Monday 30 Dec 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 Monday 30 Dec 2024
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Desogestrel Related Compound B (13-Ethyl-3-hydroxy-11-methylene-18,19-dinor-17α-pregn-4-en-20-yn-17-ol)

CAS:869627-85-0
Estrogens and progestins
Formula:
C22H30O2
Color and Shape:
White Solid
Molecular weight:
326.22458

Ref: 45-1173257

Estimated delivery in United States, on Monday 30 Dec 2024
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Glimepiride Related Compound B (glimepiride sulfonamide, or 3-Ethyl-4-methyl-2-oxo-N-(4-sulfamoylphenethyl)-2,5-dihydro-1H-pyrrole-1-carboxamide)

CAS:119018-29-0
Sulfonamides, nesoi
Formula:
C16H21N3O4S
Color and Shape:
White Powder
Molecular weight:
351.12528

Ref: 45-1292325

Estimated delivery in United States, on Monday 30 Dec 2024
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Olanzapine Related Compound B (2-methyl-10H-thieno-[2,3-b][1,5]benzodiazepin-4[5H]-one)
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Olanzapine Related Compound B (2-methyl-10H-thieno-[2,3-b][1,5]benzodiazepin-4[5H]-one)

CAS:221176-49-4
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C12H10N2OS
Color and Shape:
Pale Yellow Dark Yellow Powder
Molecular weight:
230.05138

Ref: 45-1478323

Estimated delivery in United States, on Monday 30 Dec 2024
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Azelastine Related Compound D (4-(4-chlorobenzyl)phthalazin-1(2H)-one)

CAS:53242-88-9
Heterocyclic compounds with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoi
Formula:
C15H11ClN2O
Color and Shape:
White Powder
Molecular weight:
270.05599

Ref: 45-1046191

Estimated delivery in United States, on Monday 30 Dec 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

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Atenolol Related Compound B (2-[4-(2,3-Dihydroxypropoxy)phenyl]acetamide)

CAS:61698-76-8
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C11H15NO4
Color and Shape:
White Powder
Molecular weight:
225.10011

Ref: 45-1044265

Estimated delivery in United States, on Monday 30 Dec 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 Monday 30 Dec 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

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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

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Nitazoxanide Related Compound B (2-Hydroxy-N-(5-nitrothiazol-2-yl) benzamide)

CAS:173903-47-4
Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure
Formula:
C10H7N3O4S
Color and Shape:
Pale Yellow Powder
Molecular weight:
265.01573

Ref: 45-1463982

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Diazepam Related Compound B (3-Amino-6-chloro-1-methyl-4-phenylcarbostyril)

CAS:5220-02-0
Lactams, nesoi
Formula:
C16H13ClN2O
Color and Shape:
Pale Yellow Powder
Molecular weight:
284.07164

Ref: 45-1023403

Estimated delivery in United States, on Monday 30 Dec 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 Monday 30 Dec 2024
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