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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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products per page. 4916 products on this category.

BrandProduct dataPurityPrice rangeEstimated delivery
Fentanyl Related Compound E CII (N-Phenyl-1-(2-phenylethyl)-4-piperidinamine)
REF: 45-1269957
CAS: 21409-26-7
- - -To inquireTue 25 Feb 25
Oxymorphone Related Compound A CII (4,5α-Epoxy-3,14-dihydroxy-17-methylmorphinan-6-one N-oxide)
REF: 45-1488019
CAS: 71360-37-7
- - -To inquireTue 25 Feb 25
Biosynth logo
Naltrexone impurity H
REF: 3D-IN167110
CAS: 503090-99-1
Min. 95%232.00 €~1,855.00 €Tue 25 Feb 25
Naloxone Related Compound D CII (4,5α-Epoxy-3,14-dihydroxy-17-(prop-2-enyl)morphinan-7-ene-6-one)
REF: 45-1453049
CAS: 26451-92-3
- - -To inquireTue 25 Feb 25
Oxandrolone Related Compound A CIII (17β-hydroxy-17α-methyl-2-oxa-5α-androst-7-en-3-one)
REF: 45-1482014
CAS: 1391052-43-9
- - -To inquireTue 25 Feb 25
Biosynth logo
2-(2-Amino-5-bromobenzoyl)pyridine
REF: 3D-IA17613
CAS: 1563-56-0
Min. 95%To inquireTue 25 Feb 25
Biosynth logo
Rosuvastatin EP impurity M calcium
REF: 3D-IR183834
CAS: 847849-66-5
Min. 95%64.00 €~801.00 €Tue 25 Feb 25
Biosynth logo
Atorvastatin 3-deoxyhept-2-enoic acid
REF: 3D-FA165520
CAS: 1105067-93-3
Min. 95%138.00 €~647.00 €Tue 25 Feb 25
Biosynth logo
Clarithromycin EP Impurity A
REF: 3D-FC166203
CAS: 124412-58-4
90%Nmr652.00 €~3,483.00 €Tue 25 Feb 25
Biosynth logo
Cefdinir impurity F
REF: 3D-IC63666
CAS: 1356842-10-8
Min. 95%740.00 €~4,753.00 €Tue 25 Feb 25
Biosynth logo
N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-γ-glutamyl-L-glutamic acid
REF: 3D-IA63809
CAS: 144051-68-3
Min. 95%138.00 €~647.00 €Tue 25 Feb 25
Biosynth logo
Apixaban Impurity 1
REF: 3D-IA176149
CAS: 503614-91-3
Min. 95%49.00 €~1,160.00 €Tue 25 Feb 25
Oxandrolone Related Compound B CIII (17 β-hydroxy-17 α-methyl-4-oxa-5 α-androsta-3-one)
REF: 45-1482025
CAS: 4424-45-7
- - -To inquireTue 25 Feb 25
Biosynth logo
Piperacilloic acid
REF: 3D-FP27061
CAS: 64817-22-7
(Elemental Analysis) Min. 90 Area-%205.00 €~1,276.00 €Tue 25 Feb 25
Biosynth logo
Mitoxantrone (2-hydroxyethyl)piperazine impurity
REF: 3D-IM26023
CAS: 137132-70-8
Min. 95%324.00 €~2,667.00 €Tue 25 Feb 25
Morphine Related Compound B CII (2,2'-Bimorphine trihydrate)
REF: 45-1448027
CAS: 6472-73-7
- - -To inquireTue 25 Feb 25
Biosynth logo
Pitavastatin N-oxide
REF: 3D-IP145433
CAS: 1611499-16-1
Min. 95%136.00 €~711.00 €Tue 25 Feb 25
Zolpidem Impurities Mixture CIV
REF: 45-1724951
- - -To inquireTue 25 Feb 25
Naltrexone Related Compound A CII (N-(3-butenyl)-noroxymorphone Hydrochloride)
REF: 45-1453526
- - -To inquireTue 25 Feb 25
Fentanyl Related Compound G CI (N-(1-Phenethylpiperidin-4-yl)-N-phenylacetamide)
REF: 45-1269979
CAS: 3258-84-2
- - -To inquireTue 25 Feb 25
discount label

Fentanyl Related Compound E CII (N-Phenyl-1-(2-phenylethyl)-4-piperidinamine)

Controlled Product
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Oxymorphone Related Compound A CII (4,5α-Epoxy-3,14-dihydroxy-17-methylmorphinan-6-one N-oxide)

Controlled Product
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Naltrexone impurity H

Controlled Product

Ref: 3D-IN167110

1mg232.00 €
2mg364.00 €
5mg647.00 €
10mg986.00 €
25mg1,855.00 €
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Naloxone Related Compound D CII (4,5α-Epoxy-3,14-dihydroxy-17-(prop-2-enyl)morphinan-7-ene-6-one)

Controlled Product
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Oxandrolone Related Compound A CIII (17β-hydroxy-17α-methyl-2-oxa-5α-androst-7-en-3-one)

Controlled Product
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

2-(2-Amino-5-bromobenzoyl)pyridine


Ref: 3D-IA17613

10g172.00 €
25g248.00 €
50g363.00 €
100g518.00 €
250g863.00 €
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Rosuvastatin EP impurity M calcium


Ref: 3D-IR183834

2mg172.00 €
5mg248.00 €
10mg364.00 €
25mg517.00 €
50mg801.00 €
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Atorvastatin 3-deoxyhept-2-enoic acid


Ref: 3D-FA165520

1mg138.00 €
2mg194.00 €
5mg310.00 €
10mg436.00 €
25mg647.00 €
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Clarithromycin EP Impurity A


Ref: 3D-FC166203

1mg1,026.00 €
2mg1,536.00 €
5mg2,324.00 €
10mg3,483.00 €
500µg652.00 €
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Cefdinir impurity F


Ref: 3D-IC63666

1mg1,044.00 €
2mg1,623.00 €
5mg3,130.00 €
10mg4,753.00 €
500µg740.00 €
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-γ-glutamyl-L-glutamic acid


Ref: 3D-IA63809

1mg138.00 €
2mg194.00 €
5mg310.00 €
10mg436.00 €
25mg647.00 €
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Apixaban Impurity 1


Ref: 3D-IA176149

1kg1,160.00 €
50g172.00 €
100g271.00 €
250g469.00 €
500g740.00 €
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Oxandrolone Related Compound B CIII (17 β-hydroxy-17 α-methyl-4-oxa-5 α-androsta-3-one)

Controlled Product
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Piperacilloic acid


Ref: 3D-FP27061

1mg205.00 €
2mg307.00 €
5mg498.00 €
10mg711.00 €
25mg1,276.00 €
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Mitoxantrone (2-hydroxyethyl)piperazine impurity


Ref: 3D-IM26023

25mg324.00 €
50mg494.00 €
100mg855.00 €
250mg1,468.00 €
500mg2,667.00 €
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Morphine Related Compound B CII (2,2'-Bimorphine trihydrate)

Controlled Product
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Pitavastatin N-oxide


Ref: 3D-IP145433

1mg136.00 €
2mg172.00 €
5mg310.00 €
10mg436.00 €
25mg711.00 €
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Zolpidem Impurities Mixture CIV

Controlled Product
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Naltrexone Related Compound A CII (N-(3-butenyl)-noroxymorphone Hydrochloride)

Controlled Product
Estimated delivery in United States, on Tuesday 25 Feb 2025
discount label

Fentanyl Related Compound G CI (N-(1-Phenethylpiperidin-4-yl)-N-phenylacetamide)

Controlled Product
Estimated delivery in United States, on Tuesday 25 Feb 2025
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