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
Olsalazine sodium impurity D REF: 3D-IO63797CAS: 93964-55-7	Min. 95%	136.00 €~865.00 €	Fri 13 Dec 24
3-Oxo-4-aza-5a-androst-1-ene-17b-carboxylic acid REF: 3D-IO26684CAS: 104239-97-6	Min. 98 Area-%	149.00 €~866.00 €	Fri 13 Dec 24
Tacrolimus Impurity 6 REF: 3D-IT158722CAS: 1700657-83-5	Min. 95%	To inquire	Fri 13 Dec 24
O5-(N-Formyl-L-leucyl)-(2S,3S,5S)-2-hexyl-3,5-dihydroxyhexadecanoyl-L-leucine(1S)-1-[[(2S,3S)-3-hexyl-4-oxo-2-oxetanyl]methyl]dodecy l ester REF: 3D-IF26583CAS: 881900-54-5	Min. 95%	To inquire	Fri 13 Dec 24
(3S,5S)-Atorvastatin sodium salt REF: 3D-IA18023CAS: 501121-34-2	Min. 95%	180.00 €~1,216.00 €	Fri 13 Dec 24
Atorvastatin lactone REF: 3D-IA18019CAS: 125995-03-1	Min. 98 Area-%	100.00 €~1,033.00 €	Fri 13 Dec 24
5-Benzamidolevulinic acid REF: 3D-IB64788CAS: 102872-00-4	Min. 95%	1,034.00 €~1,459.00 €	Fri 13 Dec 24
Aztreonam impurity D REF: 3D-IA167738CAS: 102579-59-9	Min. 95 Area-%	346.00 €~2,228.00 €	Fri 13 Dec 24
Remdesivir Related Compound 4 REF: 3D-IR177094CAS: 1911578-73-8	Min. 95%	To inquire	Fri 13 Dec 24
Methyl 5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylate, racemic REF: 3D-IM58059CAS: 80965-09-9	Min. 98 Area-%	136.00 €~705.00 €	Fri 13 Dec 24
Esomeprazole sodium - EP REF: 3D-IE177087CAS: 161796-78-7	Min. 95%	To inquire	Fri 13 Dec 24
Pantoprazole sodium hydrate - Mixture of impurities D and F REF: 3D-ID57909CAS: 624742-53-6	Min. 95%	102.00 €~1,913.00 €	Fri 13 Dec 24
Trazodone Hydrochloride Impurity G REF: 3D-IT171153	Min. 95%	To inquire	Fri 13 Dec 24
5-Methoxy-2-[[(3,5-dimethyl-2-pyridinyl)methyl]sulphinyl]-1H-benzimidazole REF: 3D-IM57917CAS: 110374-16-8	Min. 95%	151.00 €~1,018.00 €	Fri 13 Dec 24
4-[[(2,4-Diamino-6-pteridinyl)methyl]methylamino]benzoic acid REF: 3D-ID20780CAS: 19741-14-1	(1H-Nmr) Min. 95 Area-%	73.00 €~1,786.00 €	Fri 13 Dec 24
11-Fluoro desloratadine REF: 3D-IF46257CAS: 298220-99-2	Min. 95%	569.00 €~2,806.00 €	Fri 13 Dec 24
Olanzapine N-oxide REF: 3D-IO106348CAS: 174794-02-6	Min. 95%	271.00 €~1,621.00 €	Fri 13 Dec 24
O-Methyl atorvastatin calcium REF: 3D-FM176459CAS: 887196-29-4	Min. 95%	440.00 €~2,806.00 €	Fri 13 Dec 24
Atorvastatin tert-butyl ester REF: 3D-IA18024CAS: 134395-00-9	Min. 95%	135.00 €~717.00 €	Fri 13 Dec 24
Ethyl 3-aminopyrazole-4-carboxylate REF: 3D-IE09849CAS: 6994-25-8	Min. 95%	150.00 €~746.00 €	Fri 13 Dec 24

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Olsalazine sodium impurity D

CAS:93964-55-7

Olsalazine sodium impurity D is a natural substance that is present as an impurity in …

Formula:

C₁₄H₉ClN₂O₅

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

320.68 g/mol

Ref: 3D-IO63797

25mg		136.00 €
50mg		195.00 €
100mg		325.00 €
250mg		544.00 €
500mg		865.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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3-Oxo-4-aza-5a-androst-1-ene-17b-carboxylic acid

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3-Oxo-4-aza-5a-androst-1-ene-17b-carboxylic acid

CAS:104239-97-6

3-Oxo-4-aza-5a-androst-1-ene-17b-carboxylic acid is a covalently bonded prodrug that is metabolized to its active form, finasteride, …

Formula:

C₁₉H₂₇NO₃

Purity:

Min. 98 Area-%

Color and Shape:

Powder

Molecular weight:

317.42 g/mol

Ref: 3D-IO26684

2g		149.00 €
5g		222.00 €
10g		351.00 €
25g		548.00 €
50g		866.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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Tacrolimus Impurity 6

CAS:1700657-83-5

Tacrolimus Impurity 6 is a product that is custom-synthesized by our company. It is a …

Formula:

C₄₄H₇₁NO₁₃

Purity:

Min. 95%

Molecular weight:

822.03 g/mol

Ref: 3D-IT158722

Undefined size To inquire

Estimated delivery in United States, on Friday 13 Dec 2024

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O5-(N-Formyl-L-leucyl)-(2S,3S,5S)-2-hexyl-3,5-dihydroxyhexadecanoyl-L-leucine(1S)-1-[[(2S,3S)-3-he…

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O5-(N-Formyl-L-leucyl)-(2S,3S,5S)-2-hexyl-3,5-dihydroxyhexadecanoyl-L-leucine(1S)-1-[[(2S,3S)-3-hexyl-4-oxo-2-oxetanyl]methyl]dodecy l ester

CAS:881900-54-5

O5-(N-Formyl-L-leucyl)-(2S,3S,5S)-2-hexyl-3,5-dihydroxyhexadecanoyl-L-leucine(1S)-1-[(2S,3S)-3-hexyl-4-oxo-2-oxetanyl]methyl]dodecy l ester is a metabolite of leucine. It is used as an impurity standard …

Formula:

C₅₇H₁₀₆N₂O₉

Purity:

Min. 95%

Molecular weight:

963.46 g/mol

Ref: 3D-IF26583

Undefined size To inquire

Estimated delivery in United States, on Friday 13 Dec 2024

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(3S,5S)-Atorvastatin sodium salt

CAS:501121-34-2

Atorvastatin is a statin drug that inhibits the enzyme HMG-CoA reductase, which is responsible for …

Formula:

C₃₃H₃₄FN₂NaO₅

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

580.62 g/mol

Ref: 3D-IA18023

1mg		180.00 €
2mg		260.00 €
5mg		488.00 €
10mg		633.00 €
25mg		1,216.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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Atorvastatin lactone

CAS:125995-03-1

Atorvastatin lactone is a prodrug for atorvastatin. It is an inhibitor of the enzyme HMG-CoA …

Formula:

C₃₃H₃₃FN₂O₄

Purity:

Min. 98 Area-%

Color and Shape:

Powder

Molecular weight:

540.62 g/mol

Ref: 3D-IA18019

1g		1,033.00 €
50mg		180.00 €
100mg		260.00 €
250mg		452.00 €
500mg		723.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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5-Benzamidolevulinic acid

CAS:102872-00-4

5-Benzamidolevulinic acid is an ethylamine derivative that inhibits the enzyme carbonic anhydrase. It is used …

Formula:

C₁₂H₁₃NO₄

Purity:

Min. 95%

Molecular weight:

235.24 g/mol

Ref: 3D-IB64788

50mg		1,034.00 €
100mg		1,459.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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Aztreonam impurity D

CAS:102579-59-9

Aztreonam impurity D is a metabolite of aztreonam. Aztreonam impurity D is an impurity standard …

Formula:

C₁₃H₁₇N₅O₅S

Purity:

Min. 95 Area-%

Color and Shape:

Powder

Molecular weight:

355.37 g/mol

Ref: 3D-IA167738

1mg		346.00 €
2mg		488.00 €
5mg		818.00 €
10mg		1,167.00 €
25mg		2,228.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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Remdesivir Related Compound 4

CAS:1911578-73-8

Remdesivir Related Compound 4 is a synthetic compound that is structurally related to remdesivir. It …

Formula:

C₃₂H₃₂N₄O₅

Purity:

Min. 95%

Molecular weight:

552.62 g/mol

Ref: 3D-IR177094

Undefined size To inquire

Estimated delivery in United States, on Friday 13 Dec 2024

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Methyl 5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylate, racemic

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Methyl 5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylate, racemic

CAS:80965-09-9

Methyl 5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylate is a particle that is used to treat cardiac arrhythmias. It has been …

Formula:

C₁₆H₁₅NO₃

Purity:

Min. 98 Area-%

Color and Shape:

Powder

Molecular weight:

269.3 g/mol

Ref: 3D-IM58059

1g		457.00 €
2g		705.00 €
100mg		136.00 €
250mg		192.00 €
500mg		303.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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Esomeprazole sodium - EP

CAS:161796-78-7

Esomeprazole sodium is a proton pump inhibitor that decreases the production of stomach acid. It …

Formula:

C₁₇H₁₈N₃NaO₃S

Purity:

Min. 95%

Color and Shape:

White/Off-White Solid

Molecular weight:

367.4 g/mol

Ref: 3D-IE177087

Undefined size To inquire

Estimated delivery in United States, on Friday 13 Dec 2024

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Pantoprazole sodium hydrate - Mixture of impurities D and F

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Pantoprazole sodium hydrate - Mixture of impurities D and F

CAS:624742-53-6

Pantoprazole sodium hydrate is a custom synthesis that is used as a drug product. The …

Formula:

C₁₇H₁₇F₂N₃O₄S

Purity:

Min. 95%

Color and Shape:

Off-white to yellow powder.

Molecular weight:

397.4 g/mol

Ref: 3D-ID57909

1g		711.00 €
5g		1,913.00 €
100mg		186.00 €
250mg		338.00 €
500mg		466.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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Trazodone Hydrochloride Impurity G

Trazodone Hydrochloride Impurity G is a synthetic compound that is an impurity found in Trazodone …

Formula:

C₁₇H₂₇ClN₂O·HCl

Purity:

Min. 95%

Molecular weight:

347.32 g/mol

Ref: 3D-IT171153

Undefined size To inquire

Estimated delivery in United States, on Friday 13 Dec 2024

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5-Methoxy-2-[[(3,5-dimethyl-2-pyridinyl)methyl]sulphinyl]-1H-benzimidazole

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5-Methoxy-2-[[(3,5-dimethyl-2-pyridinyl)methyl]sulphinyl]-1H-benzimidazole

CAS:110374-16-8

5-Methoxy-2-[[(3,5-dimethyl-2-pyridinyl)methyl]sulphinyl]-1H-benzimidazole is a natural product. It is an impurity in the drug development process and …

Formula:

C₁₆H₁₇N₃O₂S

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

315.39 g/mol