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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
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2-Amino-5,6-dichloro-3,4-dihydroquinazoline hydrobromide
REF: 3D-IA17599CAS: 327602-34-6 		Min. 95%To inquireTue 21 Jan 25
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Mycophenolate mofetil N-oxide - EP
REF: 3D-IM26107CAS: 224052-51-1 		Min. 95%To inquireTue 21 Jan 25
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Fluvoxketone
REF: 3D-IF23526CAS: 61718-80-7 		Min. 95%To inquireTue 21 Jan 25
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4'-(Bromomethyl)-[1,1'-biphenyl]-2-carboxylic acid
REF: 3D-IB19247CAS: 150766-86-2 		Min. 95%To inquireTue 21 Jan 25
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Daunorubicinol hydrochloride
REF: 3D-ID165374CAS: 28008-53-9 		Min. 95 Area-%To inquireTue 21 Jan 25
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1-[2-(2,3-Dihydroxypropoxy)phenyl]-3-phenyl-1-propanone
REF: 3D-ID21068CAS: 91401-73-9 		Min. 95%151.00 €~711.00 €Tue 21 Jan 25
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1-[1-(4-Methoxyphenyl)-2-[[2-(4-methoxyphenyl)ethyl]amino]ethyl]cyclohexanol
REF: 3D-IM63868CAS: 1329795-88-1 		Min. 95%189.00 €~1,084.00 €Tue 21 Jan 25
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L-Valine 2-hydroxyethyl ester tosylate
REF: 3D-IV178763CAS: 86150-61-0 		Min. 95%194.00 €~1,275.00 €Tue 21 Jan 25
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Chlorthalidone impurity A
REF: 3D-IC75148CAS: 5270-74-6 		Min. 95%136.00 €~479.00 €Tue 21 Jan 25
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Acyclovir Impurity K
REF: 3D-IA167660CAS: 1797131-64-6 		Min. 95%To inquireTue 21 Jan 25
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m-Glimepiride impurity
REF: 3D-IM25123CAS: 791104-62-6 		Min. 95%711.00 €~7,141.00 €Tue 21 Jan 25
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Ceftazidime t-butyl ester
REF: 3D-IC19872CAS: 102772-66-7 		Min. 95%To inquireTue 21 Jan 25
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Dechloro anagrelide
REF: 3D-ID139092CAS: 61834-95-5 		Min. 95%To inquireTue 21 Jan 25
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N-[(S)-(4-Nitrophenoxy)phenoxyphosphinyl]-L-alanine 2-ethylbutyl ester
REF: 3D-FN176472CAS: 1354823-36-1 		Min. 95%To inquireTue 21 Jan 25
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Carbidopa Impurity 2
REF: 3D-FH177505CAS: 1361017-74-4 		Min. 95%801.00 €~5,565.00 €Tue 21 Jan 25
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rac-3-Deacetyl-3-butanoyl acebutolol hydrochloride
REF: 3D-IR27447CAS: 57898-71-2 		Min. 95%To inquireTue 21 Jan 25
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Fluorometholone δ 9,11
REF: 3D-IF168680CAS: 110664-42-1 		Min. 95%To inquireTue 21 Jan 25
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1-Desmethyl granisetron
REF: 3D-ID21275CAS: 107007-95-4 		Min. 95%To inquireTue 21 Jan 25
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5-Deoxy-Δ5,6-8-epi-tacrolimus
REF: 3D-ID183168CAS: 129212-37-9 		Min. 95%To inquireTue 21 Jan 25
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Remdesivir impurity 5
REF: 3D-IR177102CAS: 2093124-22-0 		Min. 95%To inquireTue 21 Jan 25
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2-Amino-5,6-dichloro-3,4-dihydroquinazoline hydrobromide
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2-Amino-5,6-dichloro-3,4-dihydroquinazoline hydrobromide

CAS:327602-34-6
2-Amino-5,6-dichloro-3,4-dihydroquinazoline hydrobromide is a metabolite of the drug product 2-[2-(2,4-dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)ethylamino]benzeneacetic acid. It has been shown …
Formula:
C8H8BrCl2N3
Purity:
Min. 95%
Molecular weight:
296.98 g/mol

Ref: 3D-IA17599

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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Mycophenolate mofetil N-oxide - EP
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Mycophenolate mofetil N-oxide - EP

CAS:224052-51-1
Mycophenolate mofetil N-oxide is a metabolite that is formed during the synthesis of mycophenolic acid, …
Formula:
C23H31NO8
Purity:
Min. 95%
Molecular weight:
449.49 g/mol

Ref: 3D-IM26107

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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Fluvoxketone
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Fluvoxketone

CAS:61718-80-7
Fluvoxketone is a drug that belongs to the class of selective non-steroidal anti-inflammatory drugs. It …
Formula:
C13H15F3O2
Purity:
Min. 95%
Molecular weight:
260.25 g/mol

Ref: 3D-IF23526

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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4'-(Bromomethyl)-[1,1'-biphenyl]-2-carboxylic acid
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4'-(Bromomethyl)-[1,1'-biphenyl]-2-carboxylic acid

CAS:150766-86-2
4'-(Bromomethyl)-[1,1'-biphenyl]-2-carboxylic acid (4BMBCA) is a chemical compound that is used as an analytical method in …
Formula:
C14H11BrO2
Purity:
Min. 95%
Molecular weight:
291.14 g/mol

Ref: 3D-IB19247

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500mgTo inquire
Estimated delivery in United States, on Tuesday 21 Jan 2025
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Daunorubicinol hydrochloride
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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

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500µgTo inquire
Estimated delivery in United States, on Tuesday 21 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

1mg151.00 €
2mg213.00 €
5mg341.00 €
10mg480.00 €
25mg711.00 €
Estimated delivery in United States, on Tuesday 21 Jan 2025
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1-[1-(4-Methoxyphenyl)-2-[[2-(4-methoxyphenyl)ethyl]amino]ethyl]cyclohexanol
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1-[1-(4-Methoxyphenyl)-2-[[2-(4-methoxyphenyl)ethyl]amino]ethyl]cyclohexanol

CAS:1329795-88-1
1-[1-(4-Methoxyphenyl)-2-[[2-(4-methoxyphenyl)ethyl]amino]ethyl]cyclohexanol is a drug product that is used as a standard for HPLC. It is …
Formula:
C24H33NO3
Purity:
Min. 95%
Molecular weight:
383.52 g/mol

Ref: 3D-IM63868

1mg189.00 €
2mg307.00 €
5mg400.00 €
10mg640.00 €
25mg1,084.00 €
Estimated delivery in United States, on Tuesday 21 Jan 2025
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L-Valine 2-hydroxyethyl ester tosylate
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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

10mg194.00 €
25mg310.00 €
50mg453.00 €
100mg711.00 €
250mg1,275.00 €
Estimated delivery in United States, on Tuesday 21 Jan 2025
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Chlorthalidone impurity A
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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

5mg136.00 €
10mg151.00 €
25mg213.00 €
50mg340.00 €
100mg479.00 €
Estimated delivery in United States, on Tuesday 21 Jan 2025
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Acyclovir Impurity K
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Acyclovir Impurity K

CAS:1797131-64-6
Acyclovir Impurity K is a drug product that is used as an analytical reference standard …
Formula:
C17H22N10O6
Purity:
Min. 95%
Molecular weight:
462.42 g/mol

Ref: 3D-IA167660

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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m-Glimepiride impurity
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m-Glimepiride impurity

CAS:791104-62-6
m-Glimepiride impurity is a chemical substance that belongs to the sulfonylurea family. It is used …
Formula:
C24H34N4O5S
Purity:
Min. 95%
Molecular weight:
490.62 g/mol

Ref: 3D-IM25123

1mg1,084.00 €
2mg2,041.00 €
5mg4,081.00 €
10mg7,141.00 €
500µg711.00 €
Estimated delivery in United States, on Tuesday 21 Jan 2025
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Ceftazidime t-butyl ester
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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

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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Dechloro anagrelide
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Dechloro anagrelide

CAS:61834-95-5
Dechloro anagrelide is a synthetic product that has been developed for use in drug development. …
Formula:
C10H8ClNO3
Purity:
Min. 95%
Molecular weight:
225.63 g/mol

Ref: 3D-ID139092

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Estimated delivery in United States, on Tuesday 21 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

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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Carbidopa Impurity 2
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Carbidopa Impurity 2

Controlled Product
CAS:1361017-74-4
Carbidopa Impurity 2 is an impurity of carbidopa, a drug product that is used to …
Formula:
C11H16N2O4
Purity:
Min. 95%
Molecular weight:
240.26 g/mol

Ref: 3D-FH177505

1mg801.00 €
2mg1,160.00 €
5mg1,855.00 €
10mg2,898.00 €
25mg5,565.00 €
Estimated delivery in United States, on Tuesday 21 Jan 2025
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rac-3-Deacetyl-3-butanoyl acebutolol hydrochloride
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rac-3-Deacetyl-3-butanoyl acebutolol hydrochloride

CAS:57898-71-2
3-Deacetyl-3-butanoyl acebutolol hydrochloride is a racemic mixture of two enantiomers, (+)-(S)-3-Deacetyl-3-butanoyl acebutolol and (-)-(R)-3-Deacetyl-3-butanoyl acebutolol. …
Formula:
C20H33ClN2O4
Purity:
Min. 95%
Molecular weight:
400.94 g/mol

Ref: 3D-IR27447

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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Fluorometholone δ 9,11
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Fluorometholone δ 9,11

CAS:110664-42-1
Fluorometholone delta 9,11 is a drug product that is used as an analytical reference standard …
Formula:
C22H28O3
Purity:
Min. 95%
Molecular weight:
340.46 g/mol

Ref: 3D-IF168680

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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1-Desmethyl granisetron
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1-Desmethyl granisetron

CAS:107007-95-4
1-Desmethyl granisetron is an impurity found in the synthesis of granisetron hydrochloride. It is a …
Formula:
C17H22N4O
Purity:
Min. 95%
Molecular weight:
298.38 g/mol

Ref: 3D-ID21275

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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5-Deoxy-Δ5,6-8-epi-tacrolimus
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5-Deoxy-Δ5,6-8-epi-tacrolimus

CAS:129212-37-9
Please enquire for more information about 5-Deoxy-Δ5,6-8-epi-tacrolimus including the price, delivery time and more detailed …
Formula:
C44H67NO11
Purity:
Min. 95%
Molecular weight:
786 g/mol

Ref: 3D-ID183168

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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Remdesivir impurity 5
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Remdesivir impurity 5

CAS:2093124-22-0
Remdesivir impurity 5 is a metabolite that is generated in the body following metabolism and …
Formula:
C21H27N2O7P
Purity:
Min. 95%
Molecular weight:
450.42 g/mol

Ref: 3D-IR177102

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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