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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(RS)-AMPA
CAS:77521-29-0
(RS)-AMPA ((±)-AMPA) is a glutamate analog. (RS)-AMPA is an agonist of effective and selective excitatory …
Formula:
C7H10N2O4
Purity:
98%
Color and Shape:
Solid
Molecular weight:
186.17
Ref: TM-T16800
25mg | 3,497.00 € | ||
50mg | 4,639.00 € | ||
100mg | 6,521.00 € |
Estimated delivery in United States, on Wednesday 26 Mar 2025
Doxorubicin Dimer Impurity-1
Doxorubicin Dimer Impurity-1 is a drug product that is used as an HPLC standard. It …
Formula:
C54H56N2O21
Purity:
Min. 95%
Molecular weight:
1,069.02 g/mol
Ref: 3D-ID176588
10mg | 5,101.00 € | ||
25mg | 9,042.00 € |
Estimated delivery in United States, on Wednesday 30 Apr 2025
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 |
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 |
Thioridazine Related Compound F (2-(Methylthio)-10-[2-(piperidin-2-yl)ethyl]-10H-phenothiazine hydrochloride) (DISCONTINUED)
CAS:13002-81-8
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C20H24N2S2HCl
Color and Shape:
Pale Green Light Blue Powder
Molecular weight:
356.13809
Ref: 45-1663063
20mg | 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 |
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 |
Iscotrizinol Related Compound B (4-[(4-{[4-(tert-butylcarbamoyl)phenyl]amino}-6-[(4-{[(2-ethylhexyl)oxy]carbonyl}phenyl)amino]-1,3,5-triazin-2-yl)amino]benzoic acid) (DISCONTINUED)
Compounds (excluding melamine) containing an unfused triazine ring (whether or not hydrogenated) in the structure
Formula:
C36H43N7O5
Color and Shape:
White Powder
Molecular weight:
653.33257
Ref: 45-1193378
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 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 |
Eprosartan Related Compound B (3-(thiophen-2-yl)propanoic acid) (DISCONTINUED)
CAS:5928-51-8
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Formula:
C7H8O2S
Color and Shape:
White Beige Solid
Molecular weight:
156.0245
Ref: 45-1238239
15mg | 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 |
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 |
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 |
Cyclizine Related Compound A (1-Methylpiperazine)
CAS:109-01-3
Compounds containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, …
Formula:
C5H12N2
Color and Shape:
Colorless Clear Pale Yellow Liquid
Molecular weight:
100.10005
Ref: 45-1154015
50mg | 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 |
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 |
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 |
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 |
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 |