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
Chloromethyl olanzapinium chloride REF: 3D-IC171347CAS: 719300-59-1	Min. 95%	To inquire	Tue 28 Jan 25
Desoximetasone impurity A REF: 3D-ID157391CAS: 61618-63-1	Min. 95%	To inquire	Tue 28 Jan 25
Deiodo amiodarone REF: 3D-ID20972CAS: 85642-08-6	Min. 95%	194.00 €~1,160.00 €	Tue 28 Jan 25
rac-Des(isopropylamino) acebutolol diol REF: 3D-IR27498CAS: 96480-91-0	Min. 95%	To inquire	Tue 28 Jan 25
6-Methyl-4-phenyl-3,4-dihydro-1-benzopyran-2-one REF: 3D-IM27626CAS: 40546-94-9	Min. 95%	To inquire	Tue 28 Jan 25
9,10-Dioxo ketotifen REF: 3D-ID22474CAS: 43076-16-0	Min. 95%	138.00 €~740.00 €	Tue 28 Jan 25
Cetirizine amide dihydrochloride REF: 3D-IC19910CAS: 200707-85-3	Min. 95%	To inquire	Tue 28 Jan 25
N-[(S)-(4-Nitrophenoxy)phenoxyphosphinyl]-L-alanine 2-ethylbutyl ester REF: 3D-FN176472CAS: 1354823-36-1	Min. 95%	To inquire	Tue 28 Jan 25
Ceftazidime t-butyl ester REF: 3D-IC19872CAS: 102772-66-7	Min. 95%	To inquire	Tue 28 Jan 25
Remdesivir impurity 8 REF: 3D-IR177105	Min. 95%	To inquire	Tue 28 Jan 25
(S)-3-((S)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid REF: 3D-IO145580CAS: 162148-16-5	Min. 95%	To inquire	Tue 28 Jan 25
2-(3,4-Dimethoxyphenyl)-5-[2-(3,4-dimethoxyphenyl)ethylamino]-2-propan-2-ylpentanenitrile hydrochloride REF: 3D-ID26420CAS: 67812-42-4	Min. 95%	To inquire	Tue 28 Jan 25
Chlorthalidone impurity A REF: 3D-IC75148CAS: 5270-74-6	Min. 95%	136.00 €~479.00 €	Tue 28 Jan 25
6-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid, racemic REF: 3D-IB58058CAS: 1026936-07-1	Min. 95%	341.00 €~1,594.00 €	Tue 28 Jan 25
L-Valine 2-hydroxyethyl ester tosylate REF: 3D-IV178763CAS: 86150-61-0	Min. 95%	194.00 €~1,275.00 €	Tue 28 Jan 25
1-[2-(2,3-Dihydroxypropoxy)phenyl]-3-phenyl-1-propanone REF: 3D-ID21068CAS: 91401-73-9	Min. 95%	151.00 €~711.00 €	Tue 28 Jan 25
Daunorubicinol hydrochloride REF: 3D-ID165374CAS: 28008-53-9	Min. 95 Area-%	To inquire	Tue 28 Jan 25
Cefotaxime sodium impurity F REF: 3D-IC63687CAS: 175032-97-0	Min. 95%	To inquire	Tue 28 Jan 25
1-[[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]-2-[[[3-methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]thio]-1H-benzi midazole REF: 3D-IM25690CAS: 1083100-27-9	Min. 95%	To inquire	Tue 28 Jan 25
1-b-D-Ribofuranosyl-1,2,4-triazole-3-carboxylic acid REF: 3D-IR138822CAS: 39925-19-4	Min. 95%	To inquire	Tue 28 Jan 25

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Chloromethyl olanzapinium chloride

CAS:719300-59-1

Chloromethyl olanzapinium chloride is an analytical reference material that can be used as a standard …

Formula:

C₁₈H₂₂Cl₂N₄S

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

397.37 g/mol

Ref: 3D-IC171347

5mg		364.00 €
10mg		518.00 €
25mg		647.00 €
50mg		740.00 €
100mg		1,101.00 €

Estimated delivery in United States, on Tuesday 28 Jan 2025

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Desoximetasone impurity A

CAS:61618-63-1

Desoximetasone impurity A is an impurity found in the drug product Desoximetasone, which is a …

Formula:

C₂₁H₂₅FO₄

Purity:

Min. 95%

Molecular weight:

360.42 g/mol

Ref: 3D-ID157391

25mg		To inquire
50mg		To inquire

Estimated delivery in United States, on Tuesday 28 Jan 2025

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Deiodo amiodarone

CAS:85642-08-6

Deiodo amiodarone is a noncompetitive inhibitor that binds to the active site of the enzyme …

Formula:

C₂₅H₃₀INO₃

Purity:

Min. 95%

Molecular weight:

519.42 g/mol

Ref: 3D-ID20972

1mg		194.00 €
2mg		310.00 €
5mg		453.00 €
10mg		647.00 €
25mg		1,160.00 €

Estimated delivery in United States, on Tuesday 28 Jan 2025

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rac-Des(isopropylamino) acebutolol diol

CAS:96480-91-0

rac-Des(isopropylamino) acebutolol diol is a synthetic drug substance that is used for research and development …

Formula:

C₁₅H₂₁NO₅

Purity:

Min. 95%

Molecular weight:

295.33 g/mol

Ref: 3D-IR27498

10mg		To inquire
25mg		To inquire
50mg		To inquire
100mg		To inquire
250mg		To inquire

Estimated delivery in United States, on Tuesday 28 Jan 2025

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6-Methyl-4-phenyl-3,4-dihydro-1-benzopyran-2-one

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6-Methyl-4-phenyl-3,4-dihydro-1-benzopyran-2-one

CAS:40546-94-9

6-Methyl-4-phenyl-3,4-dihydro-1-benzopyran-2-one is an analog of the natural product zearalenone, which can be used as an …

Formula:

C₁₆H₁₄O₂

Purity:

Min. 95%

Molecular weight:

238.28 g/mol

Ref: 3D-IM27626

1g		To inquire
50mg		To inquire
100mg		To inquire
250mg		To inquire
500mg		To inquire

Estimated delivery in United States, on Tuesday 28 Jan 2025

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9,10-Dioxo ketotifen

CAS:43076-16-0

9,10-Dioxo ketotifen is a drug product that belongs to the category of HPLC standards. It …

Formula:

C₁₉H₁₇NO₂S

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

323.41 g/mol

Ref: 3D-ID22474

1mg		138.00 €
2mg		194.00 €
5mg		310.00 €
10mg		436.00 €
25mg		740.00 €

Estimated delivery in United States, on Tuesday 28 Jan 2025

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Cetirizine amide dihydrochloride

CAS:200707-85-3

Cetirizine amide dihydrochloride is a drug product that has been custom synthesized for research and …

Formula:

C₂₁H₂₈Cl₃N₃O₂

Purity:

Min. 95%

Molecular weight:

460.82 g/mol

Ref: 3D-IC19910

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

Estimated delivery in United States, on Tuesday 28 Jan 2025

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N-[(S)-(4-Nitrophenoxy)phenoxyphosphinyl]-L-alanine 2-ethylbutyl ester

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N-[(S)-(4-Nitrophenoxy)phenoxyphosphinyl]-L-alanine 2-ethylbutyl ester

CAS:1354823-36-1

Remdesivir impurity

Formula:

C₂₁H₂₇N₂O₇P

Purity:

Min. 95%

Color and Shape:

White Off-White Powder

Molecular weight:

450.42 g/mol

Ref: 3D-FN176472

1g		To inquire
2g		To inquire
5g		To inquire
10g		To inquire
25g		To inquire

Estimated delivery in United States, on Tuesday 28 Jan 2025

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Ceftazidime t-butyl ester

CAS:102772-66-7

Ceftazidime t-butyl ester is a prodrug of ceftazidime. It is a crystalline, stable form of …

Formula:

C₂₆H₃₀N₆O₇S₂

Purity:

Min. 95%

Molecular weight:

602.68 g/mol

Ref: 3D-IC19872

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

Estimated delivery in United States, on Tuesday 28 Jan 2025

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Remdesivir impurity 8

Remdesivir impurity 8 is a metabolite of remdesivir, a drug product that belongs to the …

Formula:

C₃₀H₃₉N₆O₈P

Purity:

Min. 95%

Molecular weight:

642.64 g/mol

Ref: 3D-IR177105

10mg		To inquire
25mg		To inquire
50mg		To inquire

Estimated delivery in United States, on Tuesday 28 Jan 2025

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(S)-3-((S)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid

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(S)-3-((S)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid

CAS:162148-16-5

(S)-3-((S)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid is a synthetic compound that is used as an impurity standard for HPLC. …

Formula:

C₉H₁₂N₂O₄S

Purity:

Min. 95%

Molecular weight:

244.27 g/mol

Ref: 3D-IO145580

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

Estimated delivery in United States, on Tuesday 28 Jan 2025

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2-(3,4-Dimethoxyphenyl)-5-[2-(3,4-dimethoxyphenyl)ethylamino]-2-propan-2-ylpentanenitrile hydrochl…

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2-(3,4-Dimethoxyphenyl)-5-[2-(3,4-dimethoxyphenyl)ethylamino]-2-propan-2-ylpentanenitrile hydrochloride

CAS:67812-42-4

2-(3,4-Dimethoxyphenyl)-5-[2-(3,4-dimethoxyphenyl)ethylamino]-2-propan-2-ylpentanenitrile hydrochloride (DMPP) is a fluorescent chemosensor that can be used to detect the presence …

Formula:

C₂₆H₃₆N₂O₄·HCl

Purity:

Min. 95%

Molecular weight:

477.04 g/mol

Ref: 3D-ID26420

1mg		310.00 €
2mg		436.00 €
5mg		582.00 €
10mg		801.00 €
25mg		1,507.00 €

Estimated delivery in United States, on Tuesday 28 Jan 2025

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Chlorthalidone impurity A

CAS:5270-74-6

Chlorthalidone impurity A is an impurity in Chlorthalidone. It was found to be a flow …

Formula:

C₁₄H₁₀ClNO₅S

Purity:

Min. 95%

Molecular weight:

339.75 g/mol

Ref: 3D-IC75148

5mg		136.00 €
10mg		151.00 €
25mg		213.00 €
50mg		340.00 €
100mg		479.00 €

Estimated delivery in United States, on Tuesday 28 Jan 2025

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6-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid, racemic

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6-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid, racemic

CAS:1026936-07-1

6-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid, racemic is a drug product that is used as an analytical standard in …

Formula:

C₁₅H₁₃NO₃

Purity:

Min. 95%

Molecular weight:

255.27 g/mol

Ref: 3D-IB58058

1mg		341.00 €
2mg		455.00 €
5mg		711.00 €
10mg		1,021.00 €
25mg		1,594.00 €

Estimated delivery in United States, on Tuesday 28 Jan 2025

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L-Valine 2-hydroxyethyl ester tosylate

CAS:86150-61-0

L-Valine 2-hydroxyethyl ester tosylate (L-V2HT) is a drug product that is synthesized by custom synthesis. …

Formula:

C₁₄H₂₃NO₆S

Purity:

Min. 95%

Molecular weight:

333.4 g/mol

Ref: 3D-IV178763

10mg		194.00 €
25mg		310.00 €
50mg		453.00 €
100mg		711.00 €
250mg		1,275.00 €

Estimated delivery in United States, on Tuesday 28 Jan 2025

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1-[2-(2,3-Dihydroxypropoxy)phenyl]-3-phenyl-1-propanone

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1-[2-(2,3-Dihydroxypropoxy)phenyl]-3-phenyl-1-propanone

CAS:91401-73-9

1-[2-(2,3-Dihydroxypropoxy)phenyl]-3-phenyl-1-propanone is a metabolite that is formed from the drug product. It is a synthetic …

Formula:

C₁₈H₂₀O₄

Purity:

Min. 95%

Molecular weight:

300.35 g/mol

Ref: 3D-ID21068

1mg		151.00 €
2mg		213.00 €
5mg		341.00 €
10mg		480.00 €
25mg		711.00 €

Estimated delivery in United States, on Tuesday 28 Jan 2025

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Daunorubicinol hydrochloride

CAS:28008-53-9

Daunorubicin metabolite

Formula:

C₂₇H₃₁NO₁₀•HCl

Purity:

Min. 95 Area-%

Color and Shape:

Powder

Molecular weight:

566 g/mol

Ref: 3D-ID165374

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire
500µg		To inquire

Estimated delivery in United States, on Tuesday 28 Jan 2025

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Cefotaxime sodium impurity F

CAS:175032-97-0

Cefotaxime sodium impurity F is a cefotaxime sodium salt that has been eluted from the …

Formula:

C₃₀H₃₀N₁₀O₁₂S₄

Purity:

Min. 95%

Molecular weight:

850.88 g/mol

Ref: 3D-IC63687

50mg To inquire

Estimated delivery in United States, on Tuesday 28 Jan 2025

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1-[[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]-2-[[[3-methyl-4-(2,2,2-trifluoroethoxy)…

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1-[[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]-2-[[[3-methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]thio]-1H-benzi midazole

CAS:1083100-27-9

1-[[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]-2-[[[3-methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]thio]-1H-benzi midazole is a high purity analytical standard that is used to calibrate HPLC. It …

Formula:

C₂₅H₂₂F₆N₄O₂S

Purity:

Min. 95%

Molecular weight:

556.52 g/mol