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
2-O-[4-[[(2-Carboxyethyl)amino]carbonyl]phenyl] balsalazide REF: 3D-IC167038CAS: 1346606-62-9	Min. 95%	To inquire	Tue 11 Feb 25
Pseudomonic acid D sodium REF: 3D-IP27256CAS: 85178-60-5	90%Min	To inquire	Tue 11 Feb 25
Regorafenib metabolite M5 REF: 3D-IR164115CAS: 835621-12-0	Min. 95%	To inquire	Tue 11 Feb 25
Solifenacin N-oxide REF: 3D-IS27854CAS: 180272-28-0	Min. 95%	To inquire	Tue 11 Feb 25
Clarithromycin impurity O REF: 3D-OC166153CAS: 127252-80-6	Min. 95%	569.00 €~5,101.00 €	Tue 11 Feb 25
Pemetrexed impurity C REF: 3D-IP63808CAS: 1802552-16-4	Min. 95%	To inquire	Tue 11 Feb 25
Solifenacin EP impurity F succinate REF: 3D-IS167621CAS: 1262506-09-1	Min. 95%	To inquire	Tue 11 Feb 25
N2-Methyl alfuzosin hydrochloride (1:1) REF: 3D-IM25467CAS: 1794752-97-8	Min. 95%	To inquire	Tue 11 Feb 25
Pantoprazole sulfone N-oxide REF: 3D-ID26757CAS: 953787-55-8	Min. 95%	341.00 €~1,739.00 €	Tue 11 Feb 25
Carbidopa impurity F REF: 3D-FH177492CAS: 1458640-32-8	Min. 95%	194.00 €~986.00 €	Tue 11 Feb 25
Risperidone E-oxime impurity REF: 3D-IR27738CAS: 691007-09-7	Min. 95%	436.00 €~2,898.00 €	Tue 11 Feb 25
Dehydrodeoxy donepezil REF: 3D-ID20964CAS: 120013-45-8	Min. 95%	To inquire	Tue 11 Feb 25
Scopine-2,2-dithienyl glycolate REF: 3D-IS145668CAS: 136310-64-0	Min. 95%	136.00 €~437.00 €	Tue 11 Feb 25
[6-Hydroxy-2-(4-hydroxyphenyl)-benzo[b]thien-7-yl][4-[2-(1-piperidinyl)ethoxy]phenyl]methanone REF: 3D-IH45348CAS: 1391054-73-1	Min. 95%	To inquire	Tue 11 Feb 25
N-Methyl-4-phenylpiperidine REF: 3D-IM57897CAS: 774-52-7	Min. 95%	To inquire	Tue 11 Feb 25
3-[2-[4-(5-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one REF: 3D-IF23360CAS: 1199589-74-6	Min. 95%	213.00 €~1,160.00 €	Tue 11 Feb 25
Methyl 1-C-[4-chloro-3-[(4-ethoxyphenyl)methyl]phenyl]-a-D-glucopyranoside REF: 3D-FE171681CAS: 714269-57-5	Min. 95%	To inquire	Tue 11 Feb 25
N,N-Bis[2-(2-hydroxyethoxy)ethyl] quetiapine chloride REF: 3D-IB76470	Min. 95%	To inquire	Tue 11 Feb 25
3α-Hydroxy pravastatin sodium salt REF: 3D-IH24094CAS: 81093-43-8	Min. 95%	711.00 €~2,609.00 €	Tue 11 Feb 25
N-[Ethyl-(2-pyridyl-5-ethyl) pioglitazone REF: 3D-IE23077CAS: 952188-00-0	Min. 95%	194.00 €~1,044.00 €	Tue 11 Feb 25

2-O-[4-[[(2-Carboxyethyl)amino]carbonyl]phenyl] balsalazide

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2-O-[4-[[(2-Carboxyethyl)amino]carbonyl]phenyl] balsalazide

CAS:1346606-62-9

2-O-[4-[[(2-Carboxyethyl)amino]carbonyl]phenyl] balsalazide is a drug product that has been custom synthesized and purified to high …

Formula:

C₂₇H₂₄N₄O₉

Purity:

Min. 95%

Molecular weight:

548.5 g/mol

Ref: 3D-IC167038

1mg		To inquire
2mg		To inquire
250µg		To inquire
500µg		To inquire

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Pseudomonic acid D sodium

CAS:85178-60-5

Pseudomonic acid D sodium is a drug product that is used for the development of …

Formula:

C₂₆H₄₁NaO₉

Purity:

90%Min

Molecular weight:

520.59 g/mol

Ref: 3D-IP27256

1mg		1,739.00 €
2mg		3,432.00 €
5mg		8,405.00 €
10mg		15,650.00 €
500µg		1,044.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Regorafenib metabolite M5

CAS:835621-12-0

Regorafenib metabolite M5 is a drug product that is custom synthesized by our company and …

Formula:

C₂₀H₁₃ClF₄N₄O₄

Purity:

Min. 95%

Molecular weight:

484.79 g/mol

Ref: 3D-IR164115

5mg		To inquire
10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Solifenacin N-oxide

CAS:180272-28-0

Solifenacin N-oxide is an anti-cholinergic agent that has been shown to be effective in the …

Formula:

C₂₃H₂₆N₂O₃

Purity:

Min. 95%

Color and Shape:

White Powder

Molecular weight:

378.46 g/mol

Ref: 3D-IS27854

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Clarithromycin impurity O

CAS:127252-80-6

Clarithromycin impurity O is a crystalline form of clarithromycin that is obtained by the sulfation …

Formula:

C₃₉H₇₂N₂O₁₃

Purity:

Min. 95%

Molecular weight:

776.99 g/mol

Ref: 3D-OC166153

1mg		569.00 €
2mg		949.00 €
5mg		1,786.00 €
10mg		2,551.00 €
25mg		5,101.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Pemetrexed impurity C

CAS:1802552-16-4

Pemetrexed is a drug product that belongs to the group of drugs called antifolate agents. …

Formula:

C₄₀H₄₀N₁₀O₁₃

Purity:

Min. 95%

Molecular weight:

868.81 g/mol

Ref: 3D-IP63808

1mg		To inquire
5mg		To inquire
10mg		To inquire

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Solifenacin EP impurity F succinate

CAS:1262506-09-1

Solifenacin is an anti-cholinergic drug that has been shown to have a potent antagonistic effect …

Formula:

C₂₇H₃₂N₂O₆

Purity:

Min. 95%

Molecular weight:

480.55 g/mol

Ref: 3D-IS167621

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Tuesday 11 Feb 2025

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N2-Methyl alfuzosin hydrochloride (1:1)

CAS:1794752-97-8

N2-Methyl alfuzosin hydrochloride (1:1) is a synthetic compound that is used as an impurity standard …

Formula:

C₁₉H₂₈ClN₅O₄

Purity:

Min. 95%

Molecular weight:

425.91 g/mol

Ref: 3D-IM25467

2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire
50mg		To inquire

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Pantoprazole sulfone N-oxide

CAS:953787-55-8

Pantoprazole sulfone N-oxide is a prodrug that is converted to the active form pantoprazole in …

Formula:

C₁₆H₁₅F₂N₃O₆S

Purity:

Min. 95%

Molecular weight:

415.37 g/mol

Ref: 3D-ID26757

1mg		341.00 €
2mg		480.00 €
5mg		569.00 €
10mg		949.00 €
25mg		1,739.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Carbidopa impurity F

Controlled Product

CAS:1458640-32-8

Carbidopa is an impurity of the drug L-DOPA, which is used as a treatment for …

Formula:

C₁₂H₁₈N₂O₄

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

254.28 g/mol

Ref: 3D-FH177492

1mg		194.00 €
2mg		310.00 €
5mg		436.00 €
10mg		647.00 €
25mg		986.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Risperidone E-oxime impurity

CAS:691007-09-7

Risperidone E-oxime impurity is a drug product that has been studied for its metabolism in …

Formula:

C₂₃H₂₈F₂N₄O₂

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

430.49 g/mol

Ref: 3D-IR27738

1mg		436.00 €
2mg		711.00 €
5mg		986.00 €
10mg		1,449.00 €
25mg		2,898.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Dehydrodeoxy donepezil

CAS:120013-45-8

Dehydrodeoxy donepezil is an analytical standard that is used in the manufacture of pharmaceuticals. It …

Formula:

C₂₄H₂₉NO₂

Purity:

Min. 95%

Molecular weight:

363.49 g/mol

Ref: 3D-ID20964

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Tuesday 11 Feb 2025

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Scopine-2,2-dithienyl glycolate

CAS:136310-64-0

Scopine-2,2-dithienyl glycolate is a catalyst that belongs to the class of dithienyl glycolates. Scopine-2,2-dithienyl glycolate …

Formula:

C₁₈H₁₉NO₄S₂

Purity:

Min. 95%

Molecular weight:

377.48 g/mol

Ref: 3D-IS145668

10mg		136.00 €
25mg		138.00 €
50mg		194.00 €
100mg		309.00 €
250mg		437.00 €

Estimated delivery in United States, on Tuesday 11 Feb 2025

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[6-Hydroxy-2-(4-hydroxyphenyl)-benzo[b]thien-7-yl][4-[2-(1-piperidinyl)ethoxy]phenyl]methanone

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[6-Hydroxy-2-(4-hydroxyphenyl)-benzo[b]thien-7-yl][4-[2-(1-piperidinyl)ethoxy]phenyl]methanone

CAS:1391054-73-1

6-Hydroxy-2-(4-hydroxyphenyl)-benzo[b]thien-7-yl][4-[2-(1-piperidinyl)ethoxy]phenyl]methanone is a synthetic impurity standard that is used as a reference material in the …

Formula:

C₂₈H₂₇NO₄S

Purity:

Min. 95%

Molecular weight:

473.58 g/mol

Ref: 3D-IH45348

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Tuesday 11 Feb 2025

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N-Methyl-4-phenylpiperidine

CAS:774-52-7

N-Methyl-4-phenylpiperidine is a synthetic drug that acts as a stimulant. It is a structural analog …

Formula:

C₁₂H₁₇N·HCl

Purity:

Min. 95%

Molecular weight:

211.73 g/mol

Ref: 3D-IM57897

100mg		To inquire
250mg		To inquire
500mg		To inquire

Estimated delivery in United States, on Tuesday 11 Feb 2025

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3-[2-[4-(5-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrid…

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3-[2-[4-(5-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

CAS:1199589-74-6

3-[2-[4-(5-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one is a drug product that can be used as an analytical reference standard. It …

Formula:

C₂₃H₂₇FN₄O₂

Purity:

Min. 95%

Molecular weight:

410.48 g/mol