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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Abacavir Stereoisomers Mixture
Drugs containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure
Color and Shape:
White Off-White Powder
Estimated delivery in United States, on Tuesday 3 Dec 2024
Amoxicillin Related Compound I ((R)-2-Amino-2-(4-hydroxyphenyl)acetic acid)
CAS:22818-40-2
Aromatic amino-alcohol-phenols, aromatic amino-acid-phenols and other aromatic amino compounds with oxygen function
Formula:
C8H9NO3
Color and Shape:
White Crystalline Powder
Molecular weight:
167.05824
Estimated delivery in United States, on Tuesday 3 Dec 2024
Bendamustine Related Compound C (Ethyl 4-{5-[bis(2-hydroxyethyl)amino]-1-methyl-1H -benzimidazol-2-yl}butanoate)
CAS:3543-74-6
Heterocyclic compounds with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoi
Formula:
C18H27N3O4
Color and Shape:
White Powder
Molecular weight:
349.20016
Estimated delivery in United States, on Tuesday 3 Dec 2024
Trandolapril Related Compound C ((2S, 3aR, 7aS)-1-[N-[(S)-1-Carboxy-3-cyclohexylpropyl]-L-alanyl]hexahydro-2-indolinecarboxylic acid 1-ethyl ester hydrochloride)
Heterocyclic compounds (excluding aromatic or modified
Formula:
C24H40N2O5·HCl
Color and Shape:
White Off-White Powder
Molecular weight:
436.29372
Estimated delivery in United States, on Tuesday 3 Dec 2024
Lufenuron Related Compound B (N-[(2,5-Dichloro-4-hydroxyphenyl)carbamoyl]-2,6-difluorobenzamide)
Ureines and their derivatives; salts thereof
Formula:
C14H8Cl2F2N2O3
Color and Shape:
Light Brown Off-White Powder
Molecular weight:
359.988
Estimated delivery in United States, on Tuesday 3 Dec 2024
Mycophenolate Mofetil Related Compound B [(RS)-7-hydroxy-5-methoxy-4-methyl-6-[2-(5-methyl-2-oxo-tetrahydrofuran-5-yl)ethyl]-3H-isobenzofuranyl-1-one]
CAS:26675-76-3
Lactones nesoi
Formula:
C17H20O6
Color and Shape:
Off-White Powder
Molecular weight:
320.12599
Estimated delivery in United States, on Tuesday 3 Dec 2024
Terbinafine Related Compound A (N-methyl-C-(naphthalen-1-yl)methanamine hydrochloride)
CAS:65473-13-4
Aromatic monoamines not elsewhere specified or included and their derivatives, salts therof
Formula:
C12H14ClN
Color and Shape:
White Powder
Molecular weight:
207.08148
Estimated delivery in United States, on Tuesday 3 Dec 2024
Glyburide Related Compound B (methyl-[[4-[2-[(5-chloro-2-methoxybenzoyl)-amino]ethyl]phenyl]sulfonyl]carbamate) (AS)
CAS:21165-77-5
Sulfonamides, excluding drugs
Formula:
C18H19ClN2O6S
Color and Shape:
Powder
Molecular weight:
426.06524
Estimated delivery in United States, on Tuesday 3 Dec 2024
Oxaliplatin Related Compound A (Ethanedioic acid, dihydrate)
CAS:6153-56-6
Oxalic acid, its salts and esters
Formula:
C2H2O4
Color and Shape:
Colorless Powder
Molecular weight:
126.07
Estimated delivery in United States, on Tuesday 3 Dec 2024
Benztropine Related Compound A ((1R,3r,5S)-3-(Benzhydryloxy)-8-azabicyclo[3.2.1]octane hydrochloride)
CAS:25471-67-4
Other alkaloids,natural or reproduced by synthesis, and their salts, ethers,esters&other derivatives, nesoi
Formula:
C20H23NOHCl
Color and Shape:
White Off-White Solid
Molecular weight:
293.17796
Estimated delivery in United States, on Tuesday 3 Dec 2024
Iopromide Related Compound B (5-(Acetylamino)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-N-methyl-1,3-benzenedicarboxamide)
CAS:76350-28-2
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C17H22I3N3O7
Color and Shape:
White Off-White Powder
Molecular weight:
760.85919
Estimated delivery in United States, on Tuesday 3 Dec 2024
Bosentan Related Compound B (4-(tert-butyl)-N-[6-hydroxy-5-(2-methoxyphenoxy)-(2,2'-bipyrimidin)-4-yl]benzenesulfonamide)
CAS:174227-14-6
Sulfonamides, nesoi
Formula:
C25H25N5O5S
Color and Shape:
White Powder
Molecular weight:
507.15764
Estimated delivery in United States, on Tuesday 3 Dec 2024
Orphenadrine Related Compound A ((RS)-N,N-dimethyl-2-[(3-methylphenyl)-phenylmethoxy]ethanamine citrate) (AS)
Amino-alcohols, other than those containing more than o
Formula:
C18H23NO·C6H8O7
Color and Shape:
White Crystalline Powder
Molecular weight:
461.5
Estimated delivery in United States, on Tuesday 3 Dec 2024
Flutamide Related Compound B (N-[4-nitro-3-(trifluoromethyl)phenyl]acetamide)
CAS:393-12-4
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C9H7F3N2O3
Color and Shape:
Powder
Molecular weight:
248.04088
Estimated delivery in United States, on Tuesday 3 Dec 2024
5-Phenylhydantoin
CAS:89-24-7
Hydantoin and its derivatives
Formula:
C9H8N2O2
Color and Shape:
Powder
Molecular weight:
176.05858
Estimated delivery in United States, on Tuesday 3 Dec 2024
Etonogestrel Related Compound C (13-Ethyl-17β-hydroxy-11-methylene-18,19-dinor-17α-pregn-4-en-20-yn-3,6-dione)
Ketone-alcohols and ketone-aldehydes, nesoi
Formula:
C22H26O3
Color and Shape:
Light Yellow Solid
Molecular weight:
338.18819
Estimated delivery in United States, on Tuesday 3 Dec 2024
Diclofenac Related Compound A (N-(2,6-dichlorophenyl)indolin-2-one)
CAS:15362-40-0
Lactams not elsewhere specified or included
Formula:
C14H9Cl2NO
Color and Shape:
Beige Powder
Molecular weight:
277.00612
Estimated delivery in United States, on Tuesday 3 Dec 2024
Atenolol Related Compound C (2-[4-(Oxiran-2-ylmethoxy)phenyl]acetamide)
CAS:29122-69-8
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C11H13NO3
Color and Shape:
White Solid
Molecular weight:
207.08954
Estimated delivery in United States, on Tuesday 3 Dec 2024
Clopidogrel Related Compound C (methyl (-)-(R)-(o-chlorophenyl)-6,7-dihydrothieno[3,2-c]pyridine-5(4H)-acetate, hydrogen sulfate)
CAS:120202-71-3
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C16H16ClNO2S·H2SO4
Color and Shape:
White Powder
Molecular weight:
321.05903
Estimated delivery in United States, on Tuesday 3 Dec 2024
Acamprosate Related Compound A (3-aminopropane-1-sulfonic acid)
CAS:3687-18-1
Acyclic monoamines and their derivatives, nesoi
Formula:
C3H9NO3S
Color and Shape:
Powder
Molecular weight:
139.03031
Estimated delivery in United States, on Tuesday 3 Dec 2024