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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
Modafinil Related Compound D (Bis(diphenylmethyl)ether) (DISCONTINUED)
REF: 45-1445379CAS: 574-42-5 		- - -- - -Discontinued product
Valacyclovir Related Compound C (2-[(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl N-methyl-L-valinate hydrochloride)
REF: 45-1707855CAS: 1346617-39-7 		- - -- - -Discontinued product
Eprosartan Related Compound A ((E)-3-(2-butyl-1H-imidazol-5-yl)-2-(thiophen-2-ylmethyl)acrylic acid hydrochloride) (DISCONTINUED)
REF: 45-1238228		- - -- - -Discontinued product
Clavam-2-carboxylate Potassium
REF: 45-1134404CAS: 2196185-67-6 		- - -- - -Discontinued product
Ioxilan Related Compound A (5-amino-2,4,6-triiodo-3 N-(2-hydroxyethyl)carbamoyl benzoic acid) (DISCONTINUED)
REF: 45-1345228CAS: 22871-58-5 		- - -- - -Discontinued product
Paroxetine Related Compound E Mixture (1-Methyl-4-(p-fluorophenyl)-1,2,3,6-tetrahydropyridine in Paroxetine Hydrochloride Matrix) (DISCONTINUED)
REF: 45-1500262		- - -- - -Discontinued product
Pamabrom Related Compound A (8-Chlorotheophylline) (DISCONTINUED)
REF: 45-1492700CAS: 85-18-7 		- - -- - -Discontinued product
Targetmol logo
Selfotel
REF: TM-T22654CAS: 110347-85-8 		95%- - -Discontinued product
TRC logo
N-Nitrosodimethylamine-13C2D6
REF: TR-N525626		- - -- - -Discontinued product
TRC logo
Artemether
REF: TR-A777400CAS: 71963-77-4 		- - -- - -Discontinued product
TRC logo
Dihydroartemisinin (alpha,beta Mixture)
REF: TR-D448355CAS: 131175-87-6 		- - -- - -Discontinued product
TRC logo
3-Morpholino Sydnonimine Hydrochloride
REF: TR-M725000CAS: 16142-27-1 		- - -- - -Discontinued product
Biosynth logo
Acarbose Impurity E
REF: 3D-FA175652CAS: 1220983-28-7 		Min. 95%- - -Discontinued product
Biosynth logo
γ-Conjugated folic acid NHS ester
REF: 3D-IC183333CAS: 153445-05-7 		Min. 95%- - -Discontinued product
Biosynth logo
Enalapril maleate impurity C
REF: 3D-IE63755CAS: 76420-72-9 		Min. 98 Area-%- - -Discontinued product
TRC logo
Dihydro Artemisinin-d3
REF: TR-D448362CAS: 176774-98-4 		- - -- - -Discontinued product
TRC logo
Isosorbide-13C6 5-Mononitrate, 90%
REF: TR-I902102CAS: 1217604-00-6 		90%- - -Discontinued product
Biosynth logo
Ketorolac tromethamine - Incorrect Polymorph
REF: 3D-IK58066CAS: 74103-07-4 		Min. 95%- - -Discontinued product
Tropicamide Related Compound D (2-phenylacetic acid)
REF: 45-1699049CAS: 103-82-2 		- - -- - -Discontinued product
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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

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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

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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

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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

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Ioxilan Related Compound A (5-amino-2,4,6-triiodo-3 N-(2-hydroxyethyl)carbamoyl benzoic acid) (DISCONTINUED)

CAS:22871-58-5
Aromatic cyclic amides (including cyclic carbamates) and their derivatives; salts thereof
Formula:
C10H9I3N2O4
Color and Shape:
White Powder
Molecular weight:
601.76965

Ref: 45-1345228

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Paroxetine Related Compound E Mixture (1-Methyl-4-(p-fluorophenyl)-1,2,3,6-tetrahydropyridine in Paroxetine Hydrochloride Matrix) (DISCONTINUED)

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
Color and Shape:
White Off-White Crystalline Powder

Ref: 45-1500262

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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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Selfotel
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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
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25mgDiscontinuedRequest information
50mgDiscontinuedRequest information
100mgDiscontinuedRequest information
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N-Nitrosodimethylamine-13C2D6
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N-Nitrosodimethylamine-13C2D6

Controlled Product
Formula:
C2D6N2O
Color and Shape:
Colourless Oil
Molecular weight:
82.10

Ref: TR-N525626

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Artemether
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Artemether

CAS:71963-77-4
Applications Derivative of Artemisinin (A777500). Antimalarial, used to treat strains of malaria which are multi-drug …
Formula:
C16H26O5
Color and Shape:
White to Off-White Solid
Molecular weight:
298.37

Ref: TR-A777400

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Dihydroartemisinin (alpha,beta Mixture)
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Dihydroartemisinin (alpha,beta Mixture)

CAS:131175-87-6
Applications Dihydroartemisinin is the metabolite of Artemisinin (A777500), which is an active antimalarial constituent of …
Formula:
C15H24O5
Color and Shape:
White to Off-White Solid
Molecular weight:
284.35

Ref: TR-D448355

1gDiscontinuedRequest information
5gDiscontinuedRequest information
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3-Morpholino Sydnonimine Hydrochloride
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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

5mgDiscontinuedRequest information
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Acarbose Impurity E
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Acarbose Impurity E

CAS:1220983-28-7
Acarbose Impurity E is an impurity found in acarbose. It is a natural, API impurity …
Purity:
Min. 95%

Ref: 3D-FA175652

Undefined sizeDiscontinuedRequest information
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γ-Conjugated folic acid NHS ester
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γ-Conjugated folic acid NHS ester

CAS:153445-05-7
Please enquire for more information about γ-Conjugated folic acid NHS ester including the price, delivery …
Formula:
C23H22N8O8
Purity:
Min. 95%
Molecular weight:
538.5 g/mol

Ref: 3D-IC183333

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Enalapril maleate impurity C
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Enalapril maleate impurity C

CAS:76420-72-9
Enalapril maleate impurity C (E-C) is an impurity of enalapril, a drug that inhibits angiotensin-converting …
Formula:
C18H24N2O5
Purity:
Min. 98 Area-%
Color and Shape:
White Off-White Powder
Molecular weight:
348.39 g/mol

Ref: 3D-IE63755

1gDiscontinuedRequest information
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Dihydro Artemisinin-d3
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Dihydro Artemisinin-d3

CAS:176774-98-4
Stability Unstable in Solution Applications The main labelled metabolite of Artemisinin, Arteether, Artemether, Artesunate. An …
Formula:
C15H3H21O5
Color and Shape:
White to Off-White Solid
Molecular weight:
287.37

Ref: TR-D448362

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Isosorbide-13C6 5-Mononitrate, 90%
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Isosorbide-13C6 5-Mononitrate, 90%

CAS:1217604-00-6
Formula:
C6H9NO6
Purity:
90%
Color and Shape:
White to Light Green Solid
Molecular weight:
197.09

Ref: TR-I902102

1mgDiscontinuedRequest information
10mgDiscontinuedRequest information
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Ketorolac tromethamine - Incorrect Polymorph
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Ketorolac tromethamine - Incorrect Polymorph

CAS:74103-07-4
Ketorolac tromethamine is a nonsteroidal anti-inflammatory drug (NSAID) that inhibits prostaglandin synthesis. It has been …
Formula:
C15H13NO3·C4H11NO3
Purity:
Min. 95%
Molecular weight:
376.4 g/mol

Ref: 3D-IK58066

100mgDiscontinuedRequest information
250mgDiscontinuedRequest 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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