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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Ethambutol Related Compound B (((2R,2'R)-2,2'-[Ethane-1,2-diylbis(azanediyl)]dibutan-1-ol) dihydrochloride)
CAS:134566-79-3
Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and …
Formula:
C10H24N2O2· 2HCl
Color and Shape:
White Solid
Molecular weight:
204.18378
Estimated delivery in United States, on Tuesday 15 Oct 2024
Nevirapine Related Compound C (5,11-Dihydro-6H-11-propyl-4-methyl-dipyrido[3,2-b:2',3'-e] [1,4]diazepin-6-one)
Aromatic or modified aromatic drugs with nitrogen hetero-atom(s) only, not elsewhere specified or included
Formula:
C15H16N4O
Color and Shape:
Powder
Molecular weight:
268.13241
Estimated delivery in United States, on Tuesday 15 Oct 2024
Repaglinide Related Compound B (3-Ethoxy-4-ethoxycarbonylphenylacetic acid)
CAS:99469-99-5
Carboxylic acids with additional oxygen function and th
Formula:
C13H16O5
Color and Shape:
Powder
Molecular weight:
252.09977
Estimated delivery in United States, on Tuesday 15 Oct 2024
Lorazepam Related Compound C (6-Chloro-4-(o-chlorophenyl)-2-quinazolinecarboxaldehyde)
CAS:93955-15-8
Aromatic or modified aromatic drugs with nitrogen hetero-atom(s) only, not elsewhere specified or included
Formula:
C15H8Cl2N2O
Color and Shape:
White Crystalline Solid
Molecular weight:
302.00137
Estimated delivery in United States, on Tuesday 15 Oct 2024
Dipyridamole Related Compound D (2,2'-({6-[(2-Hydroxyethyl)amino]-4,8-di(piperidin-1-yl)pyrimido[5,4-d]pyrimidin-2-yl}azanediyl)diethanol)
CAS:1176886-12-6
Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, …
Formula:
C22H36N8O3
Color and Shape:
Yellow Powder
Molecular weight:
460.29104
Estimated delivery in United States, on Tuesday 15 Oct 2024
Xylometazoline Related Compound A (N-(2-Aminoethyl)-2-[4-(tert-butyl)-2,6-dimethylphenyl]acetamide)
CAS:94266-17-8
Sulfonamides used as drugs
Formula:
C16H26N2O
Color and Shape:
Off-White Solid
Molecular weight:
262.20451
Estimated delivery in United States, on Tuesday 15 Oct 2024
Cefepime Related Compound E (1-{[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl}-1-methylpyrrolidin-1-ium chloride)
CAS:103121-85-3
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C13H20ClN3O3S
Color and Shape:
White Off-White Powder
Molecular weight:
333.09139
Estimated delivery in United States, on Tuesday 15 Oct 2024
Nicardipine Related Compound B (3-{2-[Benzyl(methyl)amino]ethyl} 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate oxalate)
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C26H27N3O6·C2H2O4
Color and Shape:
Off-White Solid
Molecular weight:
567.18529
Estimated delivery in United States, on Tuesday 15 Oct 2024
Granisetron Related Compound A (2-methyl-N-[(1R,3r,5S)-9-methyl-9-azabicyclo[3.3.1]non-3-yl]-2H-indazole-3-carboxamide)
CAS:127472-42-8
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C18H24N4O
Color and Shape:
White Off-White Powder
Molecular weight:
312.19501
Estimated delivery in United States, on Tuesday 15 Oct 2024
Memantine Related Compound C (1-Chloro-3,5-dimethyladamantane)
CAS:707-36-8
Other halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons, excluding hexachlorocyclohexane
Formula:
C12H19Cl
Color and Shape:
Light Yellow Liquid
Molecular weight:
198.11753
Estimated delivery in United States, on Tuesday 15 Oct 2024
Azathioprine Related Compound A (1-Methyl-4-nitro-1H-imidazol-5-amine)
CAS:4531-54-8
Compounds containing an unfused imidazole ring, whether or not hydrogenated, in the structure, nesoi
Formula:
C4H6N4O2
Color and Shape:
Yellow Powder
Molecular weight:
142.04908
Estimated delivery in United States, on Tuesday 15 Oct 2024
Dobutamine Related Compound C (N-(3,4-Dimethoxyphenethyl)-4-(4-methoxyphenyl)butan-2-amine hydrochloride)
CAS:51062-14-7
Amino-naphthols and other amino-phenols, their ethers and esters, other than those cont more than one …
Formula:
C21H29NO3·HCl
Color and Shape:
White Powder
Molecular weight:
379.19142
Estimated delivery in United States, on Tuesday 15 Oct 2024
Acetaminophen Related Compound A (4-(acetylamino)phenyl acetate)
CAS:2623-33-8
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C10H11NO3
Color and Shape:
White Powder
Molecular weight:
193.07389
Estimated delivery in United States, on Tuesday 15 Oct 2024
Azacitidine Related Compound A (4-Amino-1,3,5-triazin-2(1H)-one)
CAS:931-86-2
Compounds (excluding melamine) containing an unfused triazine ring (whether or not hydrogenated) in the structure
Formula:
C3H4N4O
Color and Shape:
White Off-White Powder
Molecular weight:
112.03851
Estimated delivery in United States, on Tuesday 15 Oct 2024
Moexipril Related Compound F ((S)-2-[(S)-1-ethoxy-1-oxo-4-phenylbutan-2-ylamino]propanoic acid)
CAS:82717-96-2
Aromatic amino-alcohol-phenols, aromatic amino-acid-phenols and other aromatic amino compounds with oxygen function
Formula:
C15H21NO4
Color and Shape:
White Powder
Molecular weight:
279.14706
Estimated delivery in United States, on Tuesday 15 Oct 2024
Pramipexole Related Compound F ((6S,7R)-2-Amino-6-(propylamino)-4,5,6,7-tetrahydrobenzothiazol-7-ol)
CAS:2166216-34-6
Compounds containing a benzothiazole ring-system (whether or not hydrogenated), not further fused
Formula:
C10H17N3OS
Color and Shape:
Off-White Solid
Molecular weight:
227.10923
Estimated delivery in United States, on Tuesday 15 Oct 2024
Cidofovir Related Compound A (1-[(S)-3-Hydroxy-2-(O-ethylphosphonomethoxy)propyl]cytosine)
CAS:1312776-50-3
Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, …
Formula:
C10H18N3O6P
Color and Shape:
White Off-White Powder
Molecular weight:
307.09332
Estimated delivery in United States, on Tuesday 15 Oct 2024
Nicardipine Related Compound D (Bis{2-[benzyl(methyl)amino]ethyl} 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate dihydrochloride)
CAS:71784-27-5
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C35H40N4O6· 2HCl
Color and Shape:
Yellow Powder
Molecular weight:
612.29479
Estimated delivery in United States, on Tuesday 15 Oct 2024
Chlordiazepoxide Related Compound A (7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one 4-Oxide)
CAS:963-39-3
Antidepressants, tranquilizers and other psychotherapeutic agents, nesoi
Formula:
C15H11ClN2O2
Color and Shape:
White Powder
Molecular weight:
286.05091
Estimated delivery in United States, on Tuesday 15 Oct 2024
Bendamustine Related Compound G (4-[6-(2-Chloroethyl)-3,6,7,8-tetrahydro-3-methylimidazo[4,5-h][1,4]benzothiazin-2-yl]butanoic acid hydrochloride)
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C16H20ClN3O2S·HCl
Color and Shape:
Off-White Light Brown Solid
Molecular weight:
389.07315
Estimated delivery in United States, on Tuesday 15 Oct 2024
