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
Iscotrizinol Related Compound I (Bis(2-ethylhexyl) 4,4'-{[6-({4-[(4-{[(2-ethylhexyl)oxy]carbonyl}phenyl)carbamoyl]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:
C55H71N7O7
Color and Shape:
White Powder
Molecular weight:
941.5415
Ref: 45-1193447
25mg | Discontinued | Request information |
Modafinil Related Compound E (Bis(diphenylmethyl)disulfide) (DISCONTINUED)
CAS:1726-02-9
Other aromatic organo-sulfur compounds (excluding pesticides)
Formula:
C26H22S2
Color and Shape:
White Powder
Molecular weight:
398.11629
Ref: 45-1445380
20mg | Discontinued | Request information |
Ioversol Related Compound A (5-Amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide) (DISCONTINUED)
CAS:76801-93-9
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C14H18I3N3O6
Color and Shape:
Off-White Tan Crystalline Powder
Molecular weight:
704.83298
Ref: 45-1345115
50mg | Discontinued | Request information |
Nisoldipine Related Compound C (Isobutyl (Z)-2-(2-nitrobenzylidene)-3-oxobutanoate) (DISCONTINUED)
Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, …
Formula:
C15H17NO5
Color and Shape:
Pale Yellow Solid
Molecular weight:
291.11067
Ref: 45-1463949
30mg | 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 |
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 |
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 |
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 |
Probucol Related Compound C (4-[(3,5-di-tert-butyl-2-hydroxyphenylthio)isopropylidenethio]-2,6-di-tert-butylphenol) (DISCONTINUED)
CAS:1391054-68-4
Other aromatic organo-sulfur compounds (excluding pesti
Formula:
C31H48O2S2
Color and Shape:
Powder
Molecular weight:
516.86
Ref: 45-1563342
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 |
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 |
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 |
Clavam-2-carboxylate Potassium
CAS:2196185-67-6
Diagnostic or lab reagents on a backing, prepared diagnostic or lab reagents whether or not …
Formula:
C6H6KNO4
Color and Shape:
White Film
Molecular weight:
194.99339
Ref: 45-1134404
2mg | Discontinued | Request information |
Amiodarone Related Compound B
CAS:83409-32-9
Polypeptide, protein and glycoprotein hormones, their derivatives and structural analogues, nesoi
Formula:
C23H25I2NO3
Molecular weight:
616.99239
Ref: 45-1027324
Undefined size | 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 |
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 |
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 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 |
Selfotel
CAS:110347-85-8
Selfotel is a NMDA receptor antagonist.
Formula:
C7H14NO5P
Purity:
95%
Color and Shape:
Solid
Molecular weight:
223.16
Ref: TM-T22654
1mg | Discontinued | Request information | |
2mg | Discontinued | Request information | |
5mg | Discontinued | Request information | |
10mg | Discontinued | Request information | |
25mg | Discontinued | Request information | |
50mg | Discontinued | Request information | |
100mg | Discontinued | Request information | |
200mg | Discontinued | Request information |
3-Morpholino Sydnonimine Hydrochloride
CAS:16142-27-1
Formula:
C6H10N4O2·ClH
Color and Shape:
White to Off-White Solid
Molecular weight:
206.63
Ref: TR-M725000
5mg | Discontinued | Request information | |
10mg | Discontinued | Request information | |
100mg | Discontinued | Request information |