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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
Gadoversetamide Related Compound A (DISCONTINUED)
REF: 45-1287686		- - -- - -Discontinued product
Iloperidone Related Compound A ([4'-(3-Chloropropoxy)-3'-methoxy]acetophenone) (DISCONTINUED)
REF: 45-1336250CAS: 58113-30-7 		- - -- - -Discontinued product
Cinacalcet Related Compound E
REF: 45-1133831		- - -- - -Discontinued product
Thioridazine Related Compound F (2-(Methylthio)-10-[2-(piperidin-2-yl)ethyl]-10H-phenothiazine hydrochloride) (DISCONTINUED)
REF: 45-1663063CAS: 13002-81-8 		- - -- - -Discontinued product
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)
REF: 45-1193378		- - -- - -Discontinued product
Iscotrizinol Related Compound C (2-Ethylhexyl 4-[(4-{[4-(tert-butylcarbamoyl)phenyl]amino}-6-chloro-1,3,5-triazin-2-yl)amino]benzoate) (DISCONTINUED)
REF: 45-1193389		- - -- - -Discontinued product
Cyclizine Related Compound A (1-Methylpiperazine)
REF: 45-1154015CAS: 109-01-3 		- - -- - -Discontinued product
Modafinil Related Compound B (2-[(diphenylmethyl)sulfonyl]acetamide) (DISCONTINUED)
REF: 45-1445357CAS: 118779-53-6 		- - -- - -Discontinued product
Nisoldipine Related Compound E (3-Isobutyl 5-methyl 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate) (DISCONTINUED)
REF: 45-1464169CAS: 87375-91-5 		- - -- - -Discontinued product
2-Ethylhexan-1-ol (DISCONTINUED)
REF: 45-1265526CAS: 104-76-7 		- - -- - -Discontinued product
Nisoldipine Related Compound D (3-Isobutyl 5-methyl 2,6-dimethyl-4-(2-nitrophenyl)pyridine-3,5-dicarboxylate) (DISCONTINUED)
REF: 45-1464158CAS: 103026-83-1 		- - -- - -Discontinued product
Iscotrizinol Related Compound D (2-Ethylhexyl 4-[(4,6-bis{[4-(tert-butylcarbamoyl)phenyl]amino}-1,3,5-triazin-2-yl)amino]benzoate) (DISCONTINUED)
REF: 45-1193390		- - -- - -Discontinued product
Ticagrelor R,S-Cyclopropyl Isomer
REF: 45-1666979		- - -- - -Discontinued product
Ethylhexyl Triazone Related Compound B (4-[(4,6-Bis[(4-{[(2-ethylhexyl)oxy]carbonyl}phenyl)amino]-1,3,5-triazin-2-yl)amino]benzoic acid) (DISCONTINUED)
REF: 45-1265559		- - -- - -Discontinued product
Calcitonin Salmon Related Compound B (calcitonin salmon-glycine) (COLD SHIPMENT REQUIRED) (DISCONTINUED)
REF: 45-1086221CAS: 115472-96-3 		- - -- - -Discontinued product
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
Ticagrelor R,R,S,R-Isomer
REF: 45-1666980CAS: 2096989-55-6 		- - -- - -Discontinued product
Bemotrizinol Impurity Mixture
REF: 45-1048583		- - -- - -Discontinued product
Amiodarone Related Compound B
REF: 45-1027324CAS: 83409-32-9 		- - -- - -Discontinued product
Loracarbef L-Isomer (DISCONTINUED)
REF: 45-1370225		- - -- - -Discontinued product
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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

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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

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Thioridazine Related Compound F (2-(Methylthio)-10-[2-(piperidin-2-yl)ethyl]-10H-phenothiazine hy…
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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

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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

25mgDiscontinuedRequest information
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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

25mgDiscontinuedRequest information
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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

50mgDiscontinuedRequest information
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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

20mgDiscontinuedRequest information
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Nisoldipine Related Compound E (3-Isobutyl 5-methyl 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate) (DISCONTINUED)

CAS:87375-91-5
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C20H22N2O5
Color and Shape:
Green Solid
Molecular weight:
370.15287

Ref: 45-1464169

30mgDiscontinuedRequest information
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2-Ethylhexan-1-ol (DISCONTINUED)

CAS:104-76-7
2-ethylhexan-1-ol (octyl alcohol)
Formula:
C8H18O
Color and Shape:
Liquid
Molecular weight:
130.22 g/mol

Ref: 45-1265526

1.5mlDiscontinuedRequest information
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Nisoldipine Related Compound D (3-Isobutyl 5-methyl 2,6-dimethyl-4-(2-nitrophenyl)pyridine-3,5-dicarboxylate) (DISCONTINUED)

CAS:103026-83-1
Compounds containing an unfused pyridine ring in the structure, nesoi
Formula:
C20H22N2O6
Color and Shape:
Pale Yellow Solid
Molecular weight:
386.14779

Ref: 45-1464158

30mgDiscontinuedRequest information
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Iscotrizinol Related Compound D (2-Ethylhexyl 4-[(4,6-bis{[4-(tert-butylcarbamoyl)phenyl]amino}-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:
C40H52N8O4
Color and Shape:
White Powder
Molecular weight:
708.41115

Ref: 45-1193390

25mgDiscontinuedRequest information
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Ticagrelor R,S-Cyclopropyl Isomer

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, …
Formula:
C23H28F2N6O4S
Molecular weight:
522.18608

Ref: 45-1666979

Undefined sizeDiscontinuedRequest information
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Ethylhexyl Triazone Related Compound B (4-[(4,6-Bis[(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:
C40H50N6O6
Color and Shape:
Powder
Molecular weight:
710.86

Ref: 45-1265559

20mgDiscontinuedRequest information
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Calcitonin Salmon Related Compound B (calcitonin salmon-glycine) (COLD SHIPMENT REQUIRED) (DISCONTINUED)

CAS:115472-96-3
Polypeptide, protein and glycoprotein hormones, their derivatives and structural analogues, nesoi
Formula:
C147H242N44O50S2
Color and Shape:
Colorless Liquid
Molecular weight:
3487.71879

Ref: 45-1086221

0.34mgDiscontinuedRequest information
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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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Ticagrelor R,R,S,R-Isomer

CAS:2096989-55-6
Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, …
Formula:
C23H28F2N6O4S
Molecular weight:
522.18608

Ref: 45-1666980

Undefined sizeDiscontinuedRequest information
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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 sizeDiscontinuedRequest information
100mgDiscontinuedRequest information
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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 sizeDiscontinuedRequest information
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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

25mgDiscontinuedRequest information
Discontinued product
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