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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Eprosartan Related Compound D (4-(bromomethyl)benzoic acid) (DISCONTINUED)
CAS:6232-88-8
Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacid and their derivatives not elsewhere specified or …
Formula:
C8H7BrO2
Color and Shape:
White Powder
Molecular weight:
213.96294
Ref: 45-1238251
| 15mg | Discontinued | Request information |
Bemotrizinol Impurity Mixture
Diagnostic or lab reagents on a backing, prepared diagnostic or lab reagents whether or not …
Color and Shape:
Light Yellow Powder
Ref: 45-1048583
| Undefined size | Discontinued | Request information | |
| 100mg | Discontinued | Request information |
Paroxetine Related Compound E Mixture (1-Methyl-4-(p-fluorophenyl)-1,2,3,6-tetrahydropyridine in Paroxetine Hydrochloride Matrix) (DISCONTINUED)
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Color and Shape:
White Off-White Crystalline Powder
Ref: 45-1500262
| 25mg | Discontinued | Request information |
Iscotrizinol Related Compound G (2-Ethylhexyl 4-{4-[(4-{[4-(tert-butylcarbamoyl)phenyl]amino}-6-[(4-{[(2-ethylhexyl)oxy]carbonyl}phenyl)amino]-1,3,5-triazin-2-yl)amino]benzamido}benzoate) (DISCONTINUED)
Compounds (excluding melamine) containing an unfused triazine ring (whether or not hydrogenated) in the structure
Formula:
C51H64N8O6
Color and Shape:
Powder
Molecular weight:
884.49488
Ref: 45-1193425
| 25mg | Discontinued | Request information |
Iodixanol Related Compound E (5-{N-[3-(N-{3-carbamoyl-5-[(2,3-dihydroxypropyl)carbamoyl]-2,4,6-triiodophenyl}acetamido)-2-hydroxypropyl]acetamido}-N1,N3-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide)
CAS:255376-57-9
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C32H38I6N6O13
Color and Shape:
White Off-White Powder
Molecular weight:
1475.67652
Ref: 45-1343561
| 25mg | Discontinued | Request information |
Deacetylnorgestimate ((E)- and (Z)-17-deacetyl norgestimate mixture) (DISCONTINUED)
CAS:53016-31-2
Estrogens and progestins
Formula:
C21H29NO2
Color and Shape:
White Powder
Molecular weight:
327.21983
Ref: 45-1471958
| 25mg | Discontinued | Request information |
Ioxilan Related Compound A (5-amino-2,4,6-triiodo-3 N-(2-hydroxyethyl)carbamoyl benzoic acid) (DISCONTINUED)
CAS:22871-58-5
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C10H9I3N2O4
Color and Shape:
White Powder
Molecular weight:
601.76965
Ref: 45-1345228
| 100mg | Discontinued | Request information |
Drometrizole Trisiloxane Related Compound D (2-(2H-Benzotriazol-2-yl)-6-isobutyl-p-cresol) (DISCONTINUED)
Aromatic or modified aromatic drugs with nitrogen heter
Formula:
C17H19N3O
Color and Shape:
Pale Yellow Powder
Molecular weight:
281.35
Ref: 45-1228053
| 25mg | Discontinued | Request information |
Gadodiamide Related Compound A (Gadolinium sodium diethylenetriamine pentaacetic acid monomethylamide)
Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures …
Formula:
C15H22GdN4NaO9
Color and Shape:
White Off-White Pale Yellow Powder
Molecular weight:
583.05256
Ref: 45-1287518
| 25mg | Discontinued | Request information |
Loracarbef L-Isomer (DISCONTINUED)
Aromatic or modified aromatic heterocyclic compounds withnitrogen hetero-atom(s) only nesoi
Formula:
C16H16ClN3O4· 3H2O
Color and Shape:
Powder
Molecular weight:
403.82
Ref: 45-1370225
| 25mg | Discontinued | Request information |
Amiodarone Related Compound G
CAS:1087223-70-8
Aromatic heterocyclic compounds with oxygen hetero-atom(s) only, nesoi
Formula:
C26H31I2NO4
Molecular weight:
675.03425
Ref: 45-1027379
| Undefined size | Discontinued | Request information |
Gadoversetamide Related Compound A (DISCONTINUED)
Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures …
Formula:
C17H27N4O10Gd
Color and Shape:
White Powder
Molecular weight:
604.67
Ref: 45-1287686
| 200mg | Discontinued | Request information |
Ethylhexyl Triazone Related Compound C (Bis(2-ethylhexyl) 4,4'-[(6-{[4-(ethoxycarbonyl)phenyl]amino}-1,3,5-triazine-2,4-diyl)bis(azanediyl)]dibenzoate) (DISCONTINUED)
Compounds (excluding melamine) containing an unfused triazine ring (whether or not hydrogenated) in the structure
Formula:
C42H54N6O6
Color and Shape:
Powder
Molecular weight:
738.91
Ref: 45-1265560
| 20mg | Discontinued | Request information |
Iloperidone Related Compound A ([4'-(3-Chloropropoxy)-3'-methoxy]acetophenone) (DISCONTINUED)
CAS:58113-30-7
Halogenated, sulfonated, nitrated or nitrosated derivatives: chlordecone (iso)
Formula:
C12H15ClO3
Color and Shape:
Powder
Molecular weight:
242.07097
Ref: 45-1336250
| 20mg | Discontinued | Request information |
Cinacalcet Related Compound E
Aromatic alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives not elsewhere specified or included
Formula:
C10H11F3O
Color and Shape:
Colorless Clear Light Yellow Light Brown Liquid
Molecular weight:
204.0762
Ref: 45-1133831
| Undefined size | Discontinued | Request information |
Sulfamethazine Related Compound B (Mixture containing about 49% of 4-Amino-2-chloro-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide and about 48% of 4-Amino-3-chloro-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide) (DISCONTINUED)
Sulfonamides, nesoi
Color and Shape:
White Off-White Solid
Ref: 45-1629021
| 50mg | Discontinued | Request information |
Levalbuterol Related Compound B (α-[{(1,1-Dimethylethyl)amino}methyl]-4-hydroxy-3-methyl-benzenemethanol) (DISCONTINUED)
CAS:18910-68-4
Aromatic amino-alcohol-phenols, aromatic amino-acid-phenols and other aromatic amino compounds with oxygen function
Formula:
C13H21N02
Color and Shape:
White Powder
Molecular weight:
205.17047
Ref: 45-1358809
| 20mg | Discontinued | Request information |
Sulfamethazine Related Compound A (4-Amino-N-carbamimidoylbenzenesulfonamide-, monohydrate) (DISCONTINUED)
CAS:6190-55-2
Sulfonamides, nesoi
Formula:
C7H10N4O2S·H2O
Color and Shape:
White Powder
Molecular weight:
232.06301
Ref: 45-1629019
| 100mg | Discontinued | Request information |
Drometrizole Trisiloxane Related Compound A (2-(2H-Benzotriazol-2-yl)-6-(isobuten-1-yl)-p-cresol) (DISCONTINUED)
CAS:2170-37-8
Aromatic or modified aromatic drugs with nitrogen heter
Formula:
C17H17N3O
Color and Shape:
Yellow Powder
Molecular weight:
279.13716
Ref: 45-1228029
| 25mg | Discontinued | Request information |
Estazolam Related Compound A (5-Chloro-2-(3-chloromethyl-4H-1,2,4-triazol-4-yl)-benzophenone)
CAS:37945-06-5
Heterocyclic compounds with nitrogen hetero-atom(s) only, aromatic or modified aromatic, nesoi
Formula:
C16H11Cl2N3O
Color and Shape:
Light Yellow Off-White White Crystalline Powder
Molecular weight:
331.02792
Ref: 45-1249916
| 10mg | Discontinued | Request information |
