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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Alclometasone Dipropionate Related Compound A (11β,17,21-trihydroxy-16α-methylpregna-1,4-diene-3,20-dione 17,21-dipropionate)
Adrenal cortical hormones and their derivatives nesoi
Formula:
C28H38O7
Color and Shape:
Powder
Molecular weight:
486.6
Ref: 45-1012746
| 20mg | Discontinued | Request information |
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 |
Pamabrom Related Compound A (8-Chlorotheophylline) (DISCONTINUED)
CAS:85-18-7
Theophylline and aminophylline (excluding fenetylline) and their derivatives, salts thereof, not elsewhere specified or included
Formula:
C7H7ClN4O2
Color and Shape:
Powder
Molecular weight:
214.02575
Ref: 45-1492700
| 30mg | Discontinued | Request information |
Bemotrizinol Impurity Mixture (DISCONTINUED)
Diagnostic or lab reagents on a backing, prepared diagnostic or lab reagents whether or not …
Color and Shape:
Light Yellow Powder
Ref: 45-1048583
| 100mg | Discontinued | Request information |
Carglumic Acid Related Compound C
Acyclic amides (including acyclic carbamates) and their derivatives and salts thereof, nesoi
Formula:
C11H17N3O8
Color and Shape:
Off-White Powder
Molecular weight:
319.10156
Ref: 45-1096542
| Undefined size | Discontinued | Request information |
Eprosartan Related Compound A ((E)-3-(2-butyl-1H-imidazol-5-yl)-2-(thiophen-2-ylmethyl)acrylic acid hydrochloride) (DISCONTINUED)
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C15H18N2O2S·HCl
Color and Shape:
Off-White Powder
Molecular weight:
290.1089
Ref: 45-1238228
| 20mg | Discontinued | Request information |
Orlistat Related Compound D (N-formyl-L-leucine (3S,4R,6S)-3-hexyl-2-oxo-6-undecyltetrahydro-2H-pyran-4-yl ester) (DISCONTINUED)
CAS:130793-27-0
Lactones, nesoi
Formula:
C29H53NO5
Color and Shape:
Liquid
Molecular weight:
495.39237
Ref: 45-1478844
| 10mg | Discontinued | Request information |
Zalcitabine Related Compound A (2',3'-Didehydro-2',3'-dideoxycytidine) (DISCONTINUED)
CAS:7481-88-1
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C9H11N3O3
Color and Shape:
Powder
Molecular weight:
209.08004
Ref: 45-1724317
| 50mg | 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 |
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 |
Rabeprazole Related Compound A (Disodium 1-benzimidazol-2-yl-3-methyl-4-oxo-1,4-dihydropyridine-2-carboxylate)
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C14H9N3Na2O3
Color and Shape:
Off-White Yellow Powder
Molecular weight:
313.04393
Ref: 45-1598020
| 25mg | Discontinued | Request information |
Cidofovir Related Compound B (1-[(S)-3-Hydroxy-2-(O,O-diethylphosphonomethoxy)propyl]cytosine hydrochloride)
Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, …
Formula:
C12H22N3O6P·HCl
Color and Shape:
Green Light Green Powder
Molecular weight:
371.1013
Ref: 45-1133886
| 15mg | Discontinued | Request information |
Eprosartan Related Compound E (4-(hydroxymethyl)benzoic acid) (DISCONTINUED)
CAS:3006-96-0
Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides etc not elsewhere specified …
Formula:
C8H8O3
Color and Shape:
Beige White Powder
Molecular weight:
152.04734
Ref: 45-1238262
| 15mg | Discontinued | Request information |
Amiodarone Related Compound F
CAS:147030-50-0
Aromatic heterocyclic compounds with oxygen hetero-atom(s) only, nesoi
Formula:
C19H17IO3
Molecular weight:
420.02224
Ref: 45-1027368
| Undefined size | Discontinued | Request information |
Methotrexate Related Compound C ((S)-2-(4-{[(2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl](methyl)amino}benzamido) pentanedioic acid)
CAS:2410-93-7
Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, …
Formula:
C20H21N7O6
Color and Shape:
Dark Yellow Orange Powder
Molecular weight:
455.15533
Ref: 45-1414036
| 50mg | Discontinued | Request information |
Valacyclovir Related Compound C (2-[(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl N-methyl-L-valinate hydrochloride)
CAS:1346617-39-7
Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, …
Formula:
C14H22N6O4·HCl
Color and Shape:
White Powder
Molecular weight:
338.17025
Ref: 45-1707855
| 10mg | 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 |
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 |
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 |
Modafinil Related Compound D (Bis(diphenylmethyl)ether) (DISCONTINUED)
CAS:574-42-5
Aromatic ethers and their halogenated, sulfonated, nitrated or nitrosated derivatives
Formula:
C26H22O
Color and Shape:
White Powder
Molecular weight:
350.16707
Ref: 45-1445379
| 20mg | Discontinued | Request information |
