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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Product data	Purity	Price range	Estimated delivery
6alpha-Hydroxy Paclitaxel-d5 (~90%) REF: TR-H948892CAS: 1315376-90-9	~90%	745.00 €~5,244.00 €	Mon 28 Oct 24
Androstenediol 3-Acetate REF: TR-A637830CAS: 1639-43-6	- - -	269.00 €	Mon 28 Oct 24
Telmisartan Amide REF: TR-T017020CAS: 915124-86-6	- - -	317.00 €~2,071.00 €	Mon 28 Oct 24
6-Ethylchenodeoxycholic-d5 Acid REF: TR-E899812CAS: 1992000-80-2	- - -	574.00 €~2,262.00 €	Mon 28 Oct 24
11-Oxo Androsterone REF: TR-O847110CAS: 1231-82-9	- - -	179.00 €~241.00 €	Mon 28 Oct 24
Propiophenone REF: TR-P827900CAS: 93-55-0	- - -	116.00 €	Mon 28 Oct 24
6-Hydroxy-2-naphthaleneacetic Acid REF: TR-H948520CAS: 10441-46-0	- - -	160.00 €~584.00 €	Mon 28 Oct 24
Pivaloylglycine-13C2,15N REF: TR-P550738CAS: 23891-96-5	- - -	211.00 €~1,536.00 €	Mon 28 Oct 24
N-Isopropyl-2-methyl-2-propyl-3-hydroxypropyl Carbamate REF: TR-I872625CAS: 25462-17-3	- - -	253.00 €~1,662.00 €	Mon 28 Oct 24
4-Amino Fluconazole Bromide REF: TR-A630870CAS: 150168-54-0	- - -	296.00 €~1,960.00 €	Mon 28 Oct 24
Dexamfetamine Hemisulfate REF: TR-A634295CAS: 51-63-8	- - -	229.00 €~1,568.00 €	Mon 28 Oct 24
a-[2-(Methylamino)ethyl]benzyl Alcohol REF: TR-M286120CAS: 42142-52-9	- - -	116.00 €~228.00 €	Mon 28 Oct 24
Testosterone Undecanoate-d3 REF: TR-T155052CAS: 5949-44-0	- - -	336.00 €~2,171.00 €	Mon 28 Oct 24
2,3-Dihydro-3-hydroxy-2-oxo Lysergide-d10 REF: TR-D449562CAS: 111295-09-1	- - -	380.00 €~2,504.00 €	Mon 28 Oct 24
1,1,1,3,3,3-Hexafluoro-2-methoxypropane REF: TR-H291015CAS: 13171-18-1	- - -	92.00 €~201.00 €	Mon 28 Oct 24
(6α,11β,16α,17α)-6,9-Difluoro-11-hydroxy-16-methyl-spiro[androsta-1,4-diene-17,5'-[1,3]oxathiolane]-2',3,4'-trione REF: TR-D446130CAS: 219719-95-6	- - -	173.00 €~2,457.00 €	Mon 28 Oct 24
Aminopterin REF: TR-A628850CAS: 54-62-6	- - -	135.00 €~350.00 €	Mon 28 Oct 24
Methylfelbamate REF: TR-M305100CAS: 22131-25-5	- - -	88.00 €~2,178.00 €	Mon 28 Oct 24
N-Acetylsulfamerazine REF: TR-A187820CAS: 127-73-1	- - -	176.00 €~985.00 €	Mon 28 Oct 24
5-Acetylamino-6-formylamino-3-methyl-d3-uracil REF: TR-A168213CAS: 1216442-68-0	- - -	322.00 €~2,105.00 €	Mon 28 Oct 24

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6alpha-Hydroxy Paclitaxel-d5 (~90%)

Controlled Product

CAS:1315376-90-9

Applications The major human labelled metabolite of Paclitaxel. References Monsarrat, B., et al.: Drug Metab. …

Formula:

C₄₇H₅H₄₆NO₁₅

Purity:

~90%

Color and Shape:

White To Off-White

Molecular weight:

874.94

Ref: TR-H948892

5mg		5,244.00 €
500µg		745.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Androstenediol 3-Acetate

Controlled Product

CAS:1639-43-6

Applications Androstenediol 3-Acetate is an intermediate in the synthesis of Pregnenolone (P712200) which is a …

Formula:

C₂₁H₃₂O₃

Color and Shape:

Neat

Molecular weight:

332.48

Ref: TR-A637830

10mg 269.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Telmisartan Amide

CAS:915124-86-6

Impurity Telmisartan EP Impurity F / Telmisartan Amide Applications An amide impurity of Temisartan (D294250). …

Formula:

C₃₃H₃₁N₅O

Color and Shape:

Neat

Molecular weight:

513.63

Ref: TR-T017020

1g		2,071.00 €
100mg		317.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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6-Ethylchenodeoxycholic-d5 Acid

Controlled Product

CAS:1992000-80-2

Applications 6-Ethylchenodeoxycholic-d5 Acid is an isotope labelled compound of 6-Ethylchenodeoxycholic Acid (E899810), which is used …

Formula:

C₂₆H₃₉D₅O₄

Color and Shape:

Neat

Molecular weight:

425.66

Ref: TR-E899812

1mg		1,034.00 €
500µg		574.00 €
2500µg		2,262.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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11-Oxo Androsterone

Controlled Product

CAS:1231-82-9

Applications A metabolite of Androsterone (A637535). References Goldzieher, J., et al.: J. Clin. Endocrinol. Metab., …

Formula:

C₁₉H₂₈O₃

Color and Shape:

Neat

Molecular weight:

304.42

Ref: TR-O847110

5mg		179.00 €
10mg		241.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Propiophenone

Controlled Product

CAS:93-55-0

Applications Propiophenone is an aryl ketone used in the preparation of pharmaceutical and organic compounds. …

Formula:

C₉H₁₀O

Color and Shape:

Neat

Molecular weight:

134.18

Ref: TR-P827900

25g 116.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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6-Hydroxy-2-naphthaleneacetic Acid

CAS:10441-46-0

Applications A metabolite of Nabumetone. References Nobilis, M., et al.: J., Pharm., Biomed., Anal., 32, …

Formula:

C₁₂H₁₀O₃

Color and Shape:

Neat

Molecular weight:

202.21

Ref: TR-H948520

50mg		160.00 €
100mg		252.00 €
250mg		584.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Pivaloylglycine-13C2,15N

Controlled Product

CAS:23891-96-5

Formula:

C₅₁₃C₂H₁₃₁₅NO₃

Color and Shape:

Neat

Molecular weight:

162.16

Ref: TR-P550738

1mg		211.00 €
5mg		823.00 €
10mg		1,536.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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N-Isopropyl-2-methyl-2-propyl-3-hydroxypropyl Carbamate

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N-Isopropyl-2-methyl-2-propyl-3-hydroxypropyl Carbamate

Controlled Product

CAS:25462-17-3

Applications An intermediate in the synthesis of Carisoprodol.

Formula:

C₁₁H₂₃NO₃

Color and Shape:

Neat

Molecular weight:

217.31

Ref: TR-I872625

50mg		253.00 €
500mg		1,662.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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4-Amino Fluconazole Bromide

CAS:150168-54-0

Impurity Fluconazole EP Impurity I Applications 4-Amino Fluconazole Bromide (Fluconazole EP Impurity I) is an …

Formula:

C₁₃H₁₄F₂N₇O·Br

Color and Shape:

Neat

Molecular weight:

402.20

Ref: TR-A630870

25mg		296.00 €
250mg		1,960.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Dexamfetamine Hemisulfate

Controlled Product

CAS:51-63-8

Applications Sulfate salt of (S)-Amphetamine, a CNS stimulant; anorexic. More active isomer of Amphetamine. Induces …

Formula:

C₉H₁₃N·H₂O₄S

Color and Shape:

Neat

Molecular weight:

368.49

Ref: TR-A634295

1g		1,568.00 €
100mg		229.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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a-[2-(Methylamino)ethyl]benzyl Alcohol

Controlled Product

CAS:42142-52-9

Impurity Fluoxetine EP Impurity A(Atomoxetine Related Compound A) Applications α-[2-(Methylamino)ethyl]benzyl Alcohol (Fluoxetine EP Impurity A(Atomoxetine …

Formula:

C₁₀H₁₅NO

Color and Shape:

Off-White To Light Yellow

Molecular weight:

165.23

Ref: TR-M286120

1g		116.00 €
5g		228.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Testosterone Undecanoate-d3

Controlled Product

CAS:5949-44-0

Applications A Labelled metabolite of Testosterone (T155000). It is a promising androgen for male hormonal …

Formula:

C₃₀H₄₅D₃O₃

Color and Shape:

Neat

Molecular weight:

459.72

Ref: TR-T155052

1mg		336.00 €
10mg		2,171.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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2,3-Dihydro-3-hydroxy-2-oxo Lysergide-d10

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2,3-Dihydro-3-hydroxy-2-oxo Lysergide-d10

Controlled Product

CAS:111295-09-1

Applications Labelled analogue of 2,3-Dihydro-3-hydroxy-2-oxo Lysergide, a major metabolite of Lysergide (L488010). Controlled Substance. Not …

Formula:

C₂₀H₁₅D₁₀N₃O₃

Color and Shape:

Beige

Molecular weight:

365.49

Ref: TR-D449562

5mg		2,504.00 €
500µg		380.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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1,1,1,3,3,3-Hexafluoro-2-methoxypropane

Controlled Product

CAS:13171-18-1

Applications 1,1,1,3,3,3-Hexafluoro-2-methoxypropane is a volatile inhalation anaesthetic affection mitochondrial respiration. Related compound to Sevoflurane (H291050). …

Formula:

C₄H₄F₆O

Color and Shape:

Neat

Molecular weight:

182.06