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.
Read more
Allopurinol Related Compound B (5-(formylamino)-1H-pyrazole-4-carboxamide)
CAS:22407-20-1
Compounds containing an unfused pyrazole ring, whether or not hydrogenated, in the structure, nesoi
Formula:
C5H6N4O2
Color and Shape:
White Powder
Molecular weight:
154.04908
Estimated delivery in United States, on Tuesday 15 Oct 2024
Bupivacaine Related Compound A (6-(butylamino)-N-(2,6-dimethylphenyl)hexanamide) (AS)
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C18H30N2O
Color and Shape:
White Off-White Powder
Molecular weight:
290.23581
Estimated delivery in United States, on Tuesday 15 Oct 2024
Bisacodyl Related Compound C (4-[(4-Hydroxyphenyl)(pyridin-2-yl)methyl]phenyl acetate)
CAS:72901-16-7
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C20H17NO3
Color and Shape:
Solid
Molecular weight:
319.12084
Estimated delivery in United States, on Tuesday 15 Oct 2024
Dalfampridine Related Compound A (4-Aminopyridine 1-oxide)
CAS:3535-75-9
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C5H6N2O
Color and Shape:
White Solid
Molecular weight:
110.04801
Estimated delivery in United States, on Tuesday 15 Oct 2024
Letrozole Related Compound A (4,4'-(1H-1,3,4-triazol-1-ylmethylene)dibenzonitrile)
CAS:112809-52-6
Aromatic or modified aromatic heterocyclic compounds withnitrogen hetero-atom(s) only nesoi
Formula:
C17H11N5
Color and Shape:
White Off-White Powder
Molecular weight:
285.10145
Estimated delivery in United States, on Tuesday 15 Oct 2024
Ramipril Related Compound C ((2S,3aS,6aS)-1-{[(S)-4-Cyclohexyl-1-ethoxy-1-oxobutan-2-yl]-L-alanyl}octahydrocyclopenta[b]pyrrole-2-carboxylic acid hydrochloride)
CAS:885516-61-0
Heterocyclic compounds with nitrogen hetero-atom(s) only, excluding aromatic or modified aromatic
Formula:
C23H38N2O5·HCl
Color and Shape:
White Solid Crystalline Powder
Molecular weight:
422.27807
Estimated delivery in United States, on Tuesday 15 Oct 2024
Nefazodone Related Compound B (2-[3-[4-(4-chlorophenyl)-1-piperazinyl]propyl]-5-ethyl-2,4-dihydro-4-(2-phenoxyethyl)-3H-1,2,4-triazol-3-one hydrochloride)
Compounds containing a pyrimidine ring (whether or not
Formula:
C25H32ClN5O2·HCl
Color and Shape:
White Powder
Molecular weight:
506.47
Estimated delivery in United States, on Tuesday 15 Oct 2024
Lacosamide S-Enantiomer ((S)-2-(Acetylamino)-N-benzyl-3-methoxypropanamide)
CAS:175481-37-5
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C13H18N2O3
Color and Shape:
White Powder
Molecular weight:
250.13174
Estimated delivery in United States, on Tuesday 15 Oct 2024
Capecitabine Related Compound B (5'-deoxy-5-fluorouridine)
CAS:3094-09-5
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C9H11FN2O5
Color and Shape:
White Powder
Molecular weight:
246.0652
Estimated delivery in United States, on Tuesday 15 Oct 2024
Benazepril Related Compound D (3-(1-Ethoxycarbonyl-3-cyclohexyl-(1S)-propyl)amino-2,3,4,5-tetrahydro-2-oxo-1H-1-(3S)-benzazepine-1-acetic acid monohydrochloride)
Lactams, nesoi
Formula:
C24H34N2O5·HCl
Color and Shape:
White Fine Powder
Molecular weight:
430.24677
Estimated delivery in United States, on Tuesday 15 Oct 2024
![Zolmitriptan Related Compound E ((S)-N,N-dimethyl-2-{5-[(2-oxooxazolidin-4-yl)methyl]-1H-indol-3-y…](https://static.cymitquimica.com/products/45/thumb/1727064.jpg)
Zolmitriptan Related Compound E ((S)-N,N-dimethyl-2-{5-[(2-oxooxazolidin-4-yl)methyl]-1H-indol-3-yl}ethanamine oxide)
CAS:251451-30-6
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C16H21N3O3
Color and Shape:
Off-White Powder
Molecular weight:
303.15829
Estimated delivery in United States, on Tuesday 15 Oct 2024
Flunixin Related Compound C (Ethyl 2-chloronicotinate)
CAS:1452-94-4
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C8H8ClNO2
Color and Shape:
Clear Liquid
Molecular weight:
185.02436
Estimated delivery in United States, on Tuesday 15 Oct 2024
Fenoldopam Related Compound B (1-(4-Hydroxyphenyl)-2,3,4,5-tetrahydro-1H-benzo[d]azepine-7,8-diol methanesulfonate)
Aromatic or modified aromatic heterocyclic compounds withnitrogen hetero-atom(s) only nesoi
Formula:
C16H17NO3·CH4SO3
Color and Shape:
Off-White Powder
Molecular weight:
271.12084
Estimated delivery in United States, on Tuesday 15 Oct 2024
Cromolyn Related Compound A (1,3-bis(2-acetyl-3-hydroxyphenoxy) propan-2-ol)
CAS:16150-44-0
Ketone-phenols and ketones with other oxygen function
Formula:
C19H20O7
Color and Shape:
Off-White Powder
Molecular weight:
360.1209
Estimated delivery in United States, on Tuesday 15 Oct 2024
Linezolid Related Compound D ((R)-[3-(3-Fluoro-4-morpholinophenyl)-2-oxooxazolidin-5-yl]methyl methanesulfonate)
CAS:174649-09-3
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C15H19FN2O6S
Color and Shape:
White Solid
Molecular weight:
374.09479
Estimated delivery in United States, on Tuesday 15 Oct 2024
Vardenafil Related Compound E (2-[2-Ethoxy-5-(piperazin-1-ylsulfonyl)phenyl]-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(3H)-one)
CAS:448184-46-1
Sulfonamides, nesoi
Formula:
C21H28N6O4S
Color and Shape:
White Powder
Molecular weight:
460.18927
Estimated delivery in United States, on Tuesday 15 Oct 2024
Lorazepam Related Compound A (7-Chloro-5-(o-chlorophenyl)-1,3-dihydro-3-acetoxy-2H-1,4-benzodiazepin-2-one)
CAS:2848-96-6
Aromatic or modified aromatic drugs with nitrogen heter
Formula:
C17H12Cl2N2O3
Color and Shape:
Off-White Powder
Molecular weight:
362.0225
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
Bupivacaine Related Compound B N-(2,6-Dimethylphenyl)piperidine-2-carboxamide Hydrochloride
CAS:65797-42-4
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C14H20N2O·HCl
Color and Shape:
White Light Yellow Crystalline Powder
Molecular weight:
232.15756
Estimated delivery in United States, on Tuesday 15 Oct 2024
Trazodone Related Compound C (2-{3-[4-(4-Chlorophenyl)piperazin-1-yl]propyl}-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one hydrochloride)
CAS:1263278-77-8
Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, …
Formula:
C19H22ClN5O·HCl
Color and Shape:
Off-White Powder
Molecular weight:
371.15129
Estimated delivery in United States, on Tuesday 15 Oct 2024
