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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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BrandProduct dataPurityPrice rangeEstimated delivery
USP logo
Rabeprazole Related Compound A (Disodium 1-benzimidazol-2-yl-3-methyl-4-oxo-1,4-dihydropyridine-2-carboxylate)
REF: 45-1598020		- - -- - -Discontinued product
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17α-Dihydroequilin (Estra-1,3,5(10),7-tetraene-3,17α-diol)
REF: 45-1201002CAS: 651-55-8 		- - -- - -Discontinued product
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Iscotrizinol Related Compound F (Bis(2-ethylhexyl) 4,4'-({6-[(4-carbamoylphenyl)amino]-1,3,5-triazine-2,4-diyl}bis(azanediyl))dibenzoate) (DISCONTINUED)
REF: 45-1193414		- - -- - -Discontinued product
USP logo
Probucol Related Compound B (4,4'-dithio-bis(2,6-di-tert-butylphenol)) (DISCONTINUED)
REF: 45-1563331		- - -- - -Discontinued product
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Nisoldipine Related Compound G (Diisobutyl 2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate) (DISCONTINUED)
REF: 45-1464183CAS: 2226462-71-9 		- - -- - -Discontinued product
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Gadoversetamide Related Compound A (DISCONTINUED)
REF: 45-1287686		- - -- - -Discontinued product
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Iloperidone Related Compound A ([4'-(3-Chloropropoxy)-3'-methoxy]acetophenone) (DISCONTINUED)
REF: 45-1336250CAS: 58113-30-7 		- - -- - -Discontinued product
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Dalfampridine Related Compound C (1,3-Di(pyridin-4-yl)urea)
REF: 45-1162567CAS: 39642-87-0 		- - -- - -Discontinued product
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Ioversol Related Compound A (5-Amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide) (DISCONTINUED)
REF: 45-1345115CAS: 76801-93-9 		- - -- - -Discontinued product
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Modafinil Related Compound E (Bis(diphenylmethyl)disulfide) (DISCONTINUED)
REF: 45-1445380CAS: 1726-02-9 		- - -- - -Discontinued product
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Pamabrom Related Compound A (8-Chlorotheophylline) (DISCONTINUED)
REF: 45-1492700CAS: 85-18-7 		- - -- - -Discontinued product
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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)
REF: 45-1265560		- - -- - -Discontinued product
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Amiodarone Related Compound G
REF: 45-1027379CAS: 1087223-70-8 		- - -- - -Discontinued product
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Selfotel
REF: TM-T22654CAS: 110347-85-8 		95%- - -Discontinued product
Biosynth logo
11-Piperazin-1-yl-dibenzo[b,f][1,4]thiazepine
REF: 3D-IP57871CAS: 5747-48-8 		Min. 95%- - -Discontinued product
USP logo
Fentanyl Related Compound G CI (N-(1-Phenethylpiperidin-4-yl)-N-phenylacetamide)
REF: 45-1269979CAS: 3258-84-2 		- - -- - -Discontinued product
USP logo
Tropicamide Related Compound D (2-phenylacetic acid)
REF: 45-1699049CAS: 103-82-2 		- - -- - -Discontinued product
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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

25mgDiscontinuedRequest information
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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

50mgDiscontinuedRequest information
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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

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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

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Nisoldipine Related Compound G (Diisobutyl 2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate) (DISCONTINUED)

CAS:2226462-71-9
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C23H30N2O6
Color and Shape:
Yellow Powder
Molecular weight:
430.21039

Ref: 45-1464183

30mgDiscontinuedRequest information
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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

200mgDiscontinuedRequest information
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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

20mgDiscontinuedRequest information
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Dalfampridine Related Compound C (1,3-Di(pyridin-4-yl)urea)

CAS:39642-87-0
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C11H10N4O
Color and Shape:
White Solid
Molecular weight:
214.08546

Ref: 45-1162567

25mgDiscontinuedRequest information
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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

50mgDiscontinuedRequest information
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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

20mgDiscontinuedRequest information
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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

30mgDiscontinuedRequest information
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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

20mgDiscontinuedRequest information
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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 sizeDiscontinuedRequest information
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Selfotel
Targetmol logo
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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

1mgDiscontinuedRequest information
2mgDiscontinuedRequest information
5mgDiscontinuedRequest information
10mgDiscontinuedRequest information
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100mgDiscontinuedRequest information
200mgDiscontinuedRequest information
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11-Piperazin-1-yl-dibenzo[b,f][1,4]thiazepine
Biosynth logo
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11-Piperazin-1-yl-dibenzo[b,f][1,4]thiazepine

CAS:5747-48-8
11-Piperazin-1-yl-dibenzo[b,f][1,4]thiazepine is a drug used to treat schizophrenia and bipolar disorder. It is a member …
Formula:
C17H17N3S
Purity:
Min. 95%
Color and Shape:
Powder
Molecular weight:
295.4 g/mol

Ref: 3D-IP57871

1gDiscontinuedRequest information
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250mgDiscontinuedRequest information
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Fentanyl Related Compound G CI (N-(1-Phenethylpiperidin-4-yl)-N-phenylacetamide)

Controlled Product
CAS:3258-84-2
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C21H26N2O
Color and Shape:
White Powder
Molecular weight:
322.20451

Ref: 45-1269979

10mgDiscontinuedRequest information
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Tropicamide Related Compound D (2-phenylacetic acid)
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Tropicamide Related Compound D (2-phenylacetic acid)

Controlled Product
CAS:103-82-2
Phenylacetic acid (alpha-toluic acid) and its salts
Formula:
C8H8O2
Color and Shape:
Beige Powder
Molecular weight:
136.05243

Ref: 45-1699049

15mgDiscontinuedRequest information
Discontinued product
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