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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
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Trospium Chloride Related Compound C ((1R, 3r, 5S)-3-Hydroxyspiro[8-azoniabicyclo[3.2.1]octane-8, 1'-pyrrolidinium]chloride)
REF: 45-1699333CAS: 3464-71-9 		- - -1,371.00 €Tue 15 Oct 24
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Orphenadrine Related Compound E (N,N-Dimethyl-2-[phenyl(m-tolyl)methoxy]ethanamine)
REF: 45-1479053CAS: 21945-86-8 		- - -1,477.00 €Tue 15 Oct 24
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Famotidine Related Compound E (2,2'-[4,4'-disulfanediylbis(methylene)bis(thiazole-4,2-diyl)]diguanidine)
REF: 45-1269254CAS: 129083-44-9 		- - -1,477.00 €Tue 15 Oct 24
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Lacosamide Related Compound B (2-Acetamido-3-(benzylamino)-3-oxopropyl acetate)
REF: 45-1357125CAS: 1822463-67-1 		- - -1,426.00 €Tue 15 Oct 24
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Iohexol Related Compound A (5-(acetylamino)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide)
REF: 45-1344622CAS: 31127-80-7 		- - -1,371.00 €Tue 15 Oct 24
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Promethazine Related Compound B (N,N-Dimethyl-2-(10H-phenothiazin-10-yl)propan-1-amine hydrochloride)
REF: 45-1570029CAS: 5568-90-1 		- - -1,407.00 €Tue 15 Oct 24
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Acetaldehyde
REF: 45-1002811CAS: 75-07-0 		- - -447.00 €Tue 15 Oct 24
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Methoxymethylguanine
REF: 45-1418650CAS: 1202645-50-8 		- - -1,699.00 €Tue 15 Oct 24
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Fluconazole Related Compound C (1,1'-(1,3-phenylene)di(1H-1,2,4-triazole))
REF: 45-1271733CAS: 514222-44-7 		- - -1,371.00 €Tue 15 Oct 24
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Diazepam Related Compound B (3-Amino-6-chloro-1-methyl-4-phenylcarbostyril)
REF: 45-1023403CAS: 5220-02-0 		- - -1,477.00 €Tue 15 Oct 24
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Sevoflurane Related Compound A (1,1,1,3,3-Pentafluoroisopropenyl fluoromethyl ether)
REF: 45-1612550CAS: 58109-34-5 		- - -1,477.00 €Tue 15 Oct 24
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Doxazosin Related Compound C (2-chloro-4-amino-6,7-dimethoxyquinazoline)
REF: 45-1225452CAS: 23680-84-4 		- - -1,477.00 €Tue 15 Oct 24
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Amitraz Related Compound A (N-(2,4-Dimethylphenyl)formamide)
REF: 45-1028019CAS: 60397-77-5 		- - -589.00 €Tue 15 Oct 24
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Primidone Related Compound A (2-Ethyl-2-phenylmalonamide)
REF: 45-1562011CAS: 7206-76-0 		- - -1,441.00 €Tue 15 Oct 24
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Succinylmonocholine Chloride
REF: 45-1623604CAS: 5297-17-6 		- - -1,477.00 €Tue 15 Oct 24
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Adapalene Related Compound E (2,2'-binaphthyl-6,6'-dicarboxylic acid)
REF: 45-1011754CAS: 932033-58-4 		- - -1,477.00 €Tue 15 Oct 24
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Prochlorperazine Related Compound A (4-Chloro-10-[3-(4-methylpiperazin-1-yl)propyl]-10H-phenothiazine dihydrochloride)
REF: 45-1566045		- - -1,552.00 €Tue 15 Oct 24
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Amitraz Related Compound B (N'-(2,4-Dimethylphenyl)-N-methylformimidamide)
REF: 45-1028028CAS: 33089-74-6 		- - -785.00 €Tue 15 Oct 24
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Moxifloxacin Related Compound B (1-Cyclopropyl-6,8-dimethoxy-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic acid hydrochloride monohydrate)
REF: 45-1448628		- - -1,552.00 €Tue 15 Oct 24
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Tetracaine Related Compound C (Methyl 4-(butylamino)benzoate)
REF: 45-1650028CAS: 71839-12-8 		- - -1,648.00 €Tue 15 Oct 24
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Trospium Chloride Related Compound C ((1R, 3r, 5S)-3-Hydroxyspiro[8-azoniabicyclo[3.2.1]octane-8, 1'-pyrrolidinium]chloride)

CAS:3464-71-9
Heterocyclic compounds with nitrogen hetero-atom(s) only, excluding aromatic or modified aromatic
Formula:
C11H20ClNO
Color and Shape:
White Solid
Molecular weight:
217.12334

Ref: 45-1699333

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Orphenadrine Related Compound E (N,N-Dimethyl-2-[phenyl(m-tolyl)methoxy]ethanamine)
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Orphenadrine Related Compound E (N,N-Dimethyl-2-[phenyl(m-tolyl)methoxy]ethanamine)

CAS:21945-86-8
Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and …
Formula:
C18H23NO
Color and Shape:
Light Yellow Liquid
Molecular weight:
269.17796

Ref: 45-1479053

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Famotidine Related Compound E (2,2'-[4,4'-disulfanediylbis(methylene)bis(thiazole-4,2-diyl)]diguan…
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Famotidine Related Compound E (2,2'-[4,4'-disulfanediylbis(methylene)bis(thiazole-4,2-diyl)]diguanidine)

CAS:129083-44-9
Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure
Formula:
C10H14N8S4
Color and Shape:
White Beige Powder
Molecular weight:
374.02243

Ref: 45-1269254

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Lacosamide Related Compound B (2-Acetamido-3-(benzylamino)-3-oxopropyl acetate)

CAS:1822463-67-1
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C14H18N2O4
Color and Shape:
Off-White Solid
Molecular weight:
278.12666

Ref: 45-1357125

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Iohexol Related Compound A (5-(acetylamino)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide)

CAS:31127-80-7
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C16H20I3N3O7
Color and Shape:
Off-White Powder
Molecular weight:
746.84354

Ref: 45-1344622

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Promethazine Related Compound B (N,N-Dimethyl-2-(10H-phenothiazin-10-yl)propan-1-amine hydrochloride)

CAS:5568-90-1
Compounds (excluding drugs) containing a phenothiazine ring-system (whether or not hydrogenated), not further fused
Formula:
C17H20N2S·HCl
Color and Shape:
White Powder
Molecular weight:
320.1114

Ref: 45-1570029

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Acetaldehyde

CAS:75-07-0
Ethanal (acetaldehyde)
Formula:
C2H4O
Color and Shape:
Clear Colorless Liquid
Molecular weight:
44.02621

Ref: 45-1002811

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Methoxymethylguanine

CAS:1202645-50-8
Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, …
Formula:
C7H9N5O2
Color and Shape:
Light Yellow Powder
Molecular weight:
195.18

Ref: 45-1418650

Estimated delivery in United States, on Tuesday 15 Oct 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 Tuesday 15 Oct 2024
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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 Tuesday 15 Oct 2024
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Sevoflurane Related Compound A (1,1,1,3,3-Pentafluoroisopropenyl fluoromethyl ether)

CAS:58109-34-5
Ethers of monohydric alcohols, nesoi
Formula:
C4H2F6O
Color and Shape:
Colorless Clear Liquid
Molecular weight:
180.00098

Ref: 45-1612550

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Doxazosin Related Compound C (2-chloro-4-amino-6,7-dimethoxyquinazoline)

CAS:23680-84-4
Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, …
Formula:
C10H10ClN3O2
Color and Shape:
White Powder
Molecular weight:
239.04615

Ref: 45-1225452

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Amitraz Related Compound A (N-(2,4-Dimethylphenyl)formamide)

CAS:60397-77-5
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C9H11NO
Color and Shape:
Powder
Molecular weight:
149.08406

Ref: 45-1028019

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Primidone Related Compound A (2-Ethyl-2-phenylmalonamide)
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Primidone Related Compound A (2-Ethyl-2-phenylmalonamide)

CAS:7206-76-0
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C11H14N2O2
Color and Shape:
White Crystalline Powder
Molecular weight:
206.10553

Ref: 45-1562011

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Succinylmonocholine Chloride

CAS:5297-17-6
Quaternary ammonium salts and hydroxides, whether or not chemically defined, nesoi
Formula:
C9H18ClNO4
Color and Shape:
White Powder
Molecular weight:
239.09244

Ref: 45-1623604

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Adapalene Related Compound E (2,2'-binaphthyl-6,6'-dicarboxylic acid)

CAS:932033-58-4
Unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives, nesoi
Formula:
C22H14O4
Color and Shape:
Powder
Molecular weight:
342.08921

Ref: 45-1011754

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Prochlorperazine Related Compound A (4-Chloro-10-[3-(4-methylpiperazin-1-yl)propyl]-10H-phenothiazine dihydrochloride)

Compounds (excluding drugs) containing a phenothiazine ring
Formula:
C20H24ClN3S· 2HCl
Color and Shape:
Light Grey Powder
Molecular weight:
373.13795

Ref: 45-1566045

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Amitraz Related Compound B (N'-(2,4-Dimethylphenyl)-N-methylformimidamide)

CAS:33089-74-6
Aromatic imines and their derivatives, salts thereof
Formula:
C10H14N2
Color and Shape:
Powder
Molecular weight:
162.1157

Ref: 45-1028028

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Moxifloxacin Related Compound B (1-Cyclopropyl-6,8-dimethoxy-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic acid hydrochloride monohydrate)

Compounds (excluding drugs and pesticides) containing a quinoline or isoquinoline ring
Formula:
C22H27N3O5·HCl·H2O
Color and Shape:
Solid
Molecular weight:
413.19507

Ref: 45-1448628

Estimated delivery in United States, on Tuesday 15 Oct 2024
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Tetracaine Related Compound C (Methyl 4-(butylamino)benzoate)
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Tetracaine Related Compound C (Methyl 4-(butylamino)benzoate)

CAS:71839-12-8
Aromatic amino-acids and their esters, other than those containing more than one kind of oxygen …
Formula:
C12H17NO2
Color and Shape:
Yellow Solid
Molecular weight:
207.12593

Ref: 45-1650028

Estimated delivery in United States, on Tuesday 15 Oct 2024
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