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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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 |
Iscotrizinol Related Compound F (Bis(2-ethylhexyl) 4,4'-({6-[(4-carbamoylphenyl)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:
C40H51N7O5
Color and Shape:
White Off-White Powder
Molecular weight:
709.39517
Ref: 45-1193414
| 25mg | Discontinued | Request information |
Probucol Related Compound B (4,4'-dithio-bis(2,6-di-tert-butylphenol)) (DISCONTINUED)
Other aromatic organo-sulfur compounds (excluding pesti
Formula:
C28H42O2S2
Color and Shape:
Pale Yellow Crystalline Solid
Molecular weight:
474.77
Ref: 45-1563331
| 25mg | 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 |
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 |
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 |
Omeprazole Related Compound C
CAS:73590-85-9
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C17H19N3O2S
Color and Shape:
White Off-White Powder
Molecular weight:
329.1198
Ref: 45-1478468
| Undefined size | Discontinued | Request information |
Cinacalcet Related Compound B
Aromatic monoamines and their derivatives, salts thereof, nesoi
Formula:
C32H31F6N
Color and Shape:
Brown Liquid
Molecular weight:
543.6
Ref: 45-1133911
| Undefined size | 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 |
Eprosartan Related Compound C (2-(thiophen-2-ylmethyl)malonic acid) (DISCONTINUED)
CAS:4475-24-5
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C8H8O4S
Color and Shape:
White Powder
Molecular weight:
200.01433
Ref: 45-1238240
| 25mg | Discontinued | Request information |
17α-Dihydroequilin (Estra-1,3,5(10),7-tetraene-3,17α-diol)
CAS:651-55-8
Estrogens and progestins
Formula:
C18H22O2
Color and Shape:
White Powder
Molecular weight:
270.16198
Ref: 45-1201002
| 50mg | 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 |
Iscotrizinol Related Compound C (2-Ethylhexyl 4-[(4-{[4-(tert-butylcarbamoyl)phenyl]amino}-6-chloro-1,3,5-triazin-2-yl)amino]benzoate) (DISCONTINUED)
Compounds (excluding melamine) containing an unfused triazine ring (whether or not hydrogenated) in the structure
Formula:
C29H37ClN6O3
Color and Shape:
White Off-White Powder
Molecular weight:
552.26157
Ref: 45-1193389
| 25mg | Discontinued | Request information |
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 |
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 |
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 |
Modafinil Related Compound B (2-[(diphenylmethyl)sulfonyl]acetamide) (DISCONTINUED)
CAS:118779-53-6
Other aromatic organo-sulfur compounds (excluding pesticides)
Formula:
C15H15NO3S
Color and Shape:
White Powder
Molecular weight:
289.07726
Ref: 45-1445357
| 20mg | 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 |
