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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Suberic Acid
CAS:505-48-6
Acyclic polycarboxylic acids and their anhydrides, halides, peroxides and their derivatives, nesoi
Formula:
C8H14O4
Color and Shape:
Off-White Powder
Molecular weight:
174.08921
Estimated delivery in United States, on Tuesday 15 Oct 2024
Vortioxetine Related Compound G (1-{2-[(2,6-Dimethylphenyl)thio]phenyl}piperazine hydrobromide)
CAS:508233-76-9
Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, …
Formula:
C18H22N2S·HBr
Color and Shape:
Pale Yellow Powder
Molecular weight:
298.15037
Estimated delivery in United States, on Tuesday 15 Oct 2024
Methylprednisolone Related Compound A (17,21-Dihydroxy-6α-methylpregna-1,4-diene-3,11,20-trione)
CAS:91523-05-6
Aromatic or modified aromatic drugs with nitrogen hetero-atom(s) only, not elsewhere specified or included
Formula:
C22H28O5
Color and Shape:
White Off-White Powder
Molecular weight:
372.19367
Estimated delivery in United States, on Tuesday 15 Oct 2024
Propantheline Bromide Related Compound A (9-Hydroxypropantheline bromide)
CAS:93446-02-7
Aromatic heterocyclic compounds with oxygen hetero-atom(s) only, nesoi
Formula:
C23H30BrNO4
Color and Shape:
White Powder
Molecular weight:
463.13582
Estimated delivery in United States, on Tuesday 15 Oct 2024
Beclomethasone Dipropionate Related Compound H (9-Chloro-11β,21-dihydroxy-16β-methyl-3,20-dioxopregna-1,4-diene-17-yl propionate)
CAS:5534-18-9
Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides etc, nesoi
Formula:
C25H33ClO6
Color and Shape:
White Off-White Powder
Molecular weight:
464.19657
Estimated delivery in United States, on Tuesday 15 Oct 2024
Fluoxetine Related Compound B (N-Methyl-3-phenylpropan-1-amine)
CAS:23580-89-4
Aromatic monoamines and their derivatives, salts thereof, nesoi
Formula:
C10H15N
Color and Shape:
Clear Colorless Liquid
Molecular weight:
149.12045
Estimated delivery in United States, on Tuesday 15 Oct 2024
Ibutilide Related Compound A (N-Ethyl-N-heptyl-4-[4-(methylsulfonamido)phenyl]-4-oxobutanamide)
CAS:100632-58-4
Sulfonamides, nesoi
Formula:
C20H32N2O4S
Color and Shape:
White Off-White Powder
Molecular weight:
396.20828
Estimated delivery in United States, on Tuesday 15 Oct 2024
Risedronate Related Compound C ([2-(3-pyridinyl)ethylidene-1,1]bis(phosphonic acid))
CAS:75755-10-1
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C7H11NO6P2
Color and Shape:
White Crystalline Powder
Molecular weight:
267.00616
Estimated delivery in United States, on Tuesday 15 Oct 2024
Diiodotyrosine (3,5-Diiodo-L-tyrosine)
CAS:300-39-0
Aromatic amino-alcohol-phenols, aromatic amino-acid-phenols and other aromatic amino compounds with oxygen function
Formula:
C9H9I2NO3
Color and Shape:
White Off-White Powder
Molecular weight:
432.86719
Estimated delivery in United States, on Tuesday 15 Oct 2024
Sulindac Related Compound B ((Z)-2-{5-fluoro-2-methyl-1-[4-(methylsulfonyl)benzylidene]-1H-inden-3-yl}acetic acid)
CAS:59973-80-7
Other aromatic organo-sulfur compounds (excluding pesticides)
Formula:
C20H17FO4S
Color and Shape:
Yellow Crystalline Powder
Molecular weight:
372.08316
Estimated delivery in United States, on Tuesday 15 Oct 2024
Rivastigmine Related Compound A ((+)-Di-(p-toluoyl)-D-tartaric acid)
CAS:32634-68-7
Salts and esters of tartaric acid
Formula:
C20H18O8
Color and Shape:
Powder
Molecular weight:
386.10017
Estimated delivery in United States, on Tuesday 15 Oct 2024
Sulindac Related Compound C ((Z)-2-{5-fluoro-2-methyl-1-[4-(methylthio)benzylidene]-1H-inden-3-yl}acetic acid)
CAS:49627-27-2
Other aromatic organo-sulfur compounds (excluding pesticides)
Formula:
C20H17FO2S
Color and Shape:
Yellow Powder
Molecular weight:
340.09333
Estimated delivery in United States, on Tuesday 15 Oct 2024
Clobetasol Propionate Related Compound A (9α-Fluoro-11β-hydroxy-16β-methyl 3-oxo-androsta-1,4-diene-17(R)-spiro-2'-[4'-chloro-5'-ethylfuran-3'(2'H)-one])
CAS:1486466-31-2
Compounds containing an unfused furan ring, whether or not hydrogenated, in the structure, nesoi
Formula:
C25H30ClFO4
Color and Shape:
White Powder
Molecular weight:
448.18167
Estimated delivery in United States, on Tuesday 15 Oct 2024
Tiotropium Related Compound C ((1R,3s,5S)-3-[2-Hydroxy-2,2-di(thiophen-2-yl)acetoxy]-8,8-dimethyl-8-azabicyclo[3.2.1]oct-6-en-8-ium bromide)
CAS:136310-95-7
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C19H22BrNO3S2
Color and Shape:
White Yellow Powder
Molecular weight:
455.02245
Estimated delivery in United States, on Tuesday 15 Oct 2024
Orlistat Related Compound B (Diisopropyl hydrazine-1,2-dicarboxylate)
CAS:19740-72-8
Acyclic amides (including acyclic carbamates) and their derivatives and salts thereof, nesoi
Formula:
C8H16N2O4
Color and Shape:
White Powder
Molecular weight:
204.11101
Estimated delivery in United States, on Tuesday 15 Oct 2024
Formoterol Related Compound D (N-(2-Hydroxy-5-(1-hydroxy-2-{[1-(4-methoxyphenyl)propan-2-yl](methyl)amino}ethyl)phenyl)formamide fumarate)
CAS:1795133-97-9
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
(C20H26N2O4)2·C4H4O4
Color and Shape:
Off-White Light Brown Solid
Molecular weight:
832.38947
Estimated delivery in United States, on Tuesday 15 Oct 2024
Methotrexate Related Compound B ((S)-2-{4-[(2,4-diaminopteridin-6-yl)methylamino]benzamido}pentanedioic acid)
CAS:54-62-6
Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, …
Formula:
C19H20N8O5
Color and Shape:
White Yellow Powder
Molecular weight:
440.41
Estimated delivery in United States, on Tuesday 15 Oct 2024
Sotalol Related Compound C (N-{4-[2-(Isopropylamino)ethyl]phenyl}methanesulfonamide hydrochloride)
CAS:16974-44-0
Sulfonamides, nesoi
Formula:
C12H20N2O2S·HCl
Color and Shape:
White Crystalline Powder
Molecular weight:
292.10123
Estimated delivery in United States, on Tuesday 15 Oct 2024
2,3-Dimethylaniline
CAS:87-59-2
Aromatic monoamines not elsewhere specified or included and their derivatives, salts therof
Formula:
C8H11N
Color and Shape:
Clear Yellow Amber Red Brown Liquid
Molecular weight:
121.08915
Estimated delivery in United States, on Tuesday 15 Oct 2024
Bisacodyl Related Compound B (2,4'-(Pyridin-2-ylmethylene)diphenol)
CAS:16985-05-0
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C18H15NO2
Color and Shape:
White Light Yellow Powder
Molecular weight:
277.11028
Estimated delivery in United States, on Tuesday 15 Oct 2024