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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. 6617 products on this category.

BrandProduct dataPurityPrice rangeEstimated delivery
Biosynth logo
1-[4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl]-2-hydroxy-1-pentanone
REF: 3D-IA63849
CAS: 152551-75-2
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
2,6-Diisopropyl-1,4-benzoquinone
REF: 3D-ID22142
CAS: 1988-11-0
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
O-Desmethyl mycophenolate mofetil
REF: 3D-ID21294
CAS: 1322681-36-6
Min. 95%400.00 €~2,232.00 €Wed 27 Nov 24
Biosynth logo
6,7,8,9-Tetrahydro-3-[2-[4-(6-hydroxy-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
REF: 3D-IT21195
CAS: 106266-11-9
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
Montelukast acyl-b-D-glucuronide acetic acid salt
REF: 3D-MM07213
CAS: 188717-17-1
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
Pioglitazone Pyridine-6-[4-[2-[5-ethyl-6-[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]
REF: 3D-IP165311
CAS: 669716-56-7
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
Dexamethasone-17-ketone
REF: 3D-ID183298
CAS: 2285-53-2
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
Dechloro anagrelide
REF: 3D-ID139092
CAS: 61834-95-5
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
Ivermectin B1 aglycon
REF: 3D-II178593
CAS: 73162-95-5
Min. 95%436.00 €~2,087.00 €Wed 27 Nov 24
Biosynth logo
Albendazole impurity F
REF: 3D-IA71873
CAS: 80983-45-5
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
3-[(1E)-2-[4-[[(2-Carboxyethyl)amino]carbonyl]phenyl]diazenyl] balsalazide
REF: 3D-IC19769
CAS: 1242567-11-8
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
1-[[4-(3-Methoxypropoxy)-3-methyl-2-pyridinyl]methyl]-2-[[[4-(3-methoxypropoxy)-3-methyl-2-pyridinyl]methyl]sulfonyl]-1H-benzimidazo le
REF: 3D-IM25352
CAS: 1246818-79-0
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
2,12-Dihydro-1,3-dimethyl-9-methoxy-12-thioxobenzo [4,5] pyrido [1,2-c] imidazo [1,2-a] imidazol-2-one
REF: 3D-ID57925
CAS: 125656-83-9
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
rac-N-Desisopropyl-N-ethyl acebutolol
REF: 3D-IR27557
CAS: 441019-91-6
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
Amido methyl meloxicam
REF: 3D-IA17352
CAS: 892395-41-4
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
N,N-Dimethyl-2-[6-methyl-2-(2-bromo-4-methylphenyl)imidazol[1,2-a]pyridin-3-yl]acetamide
REF: 3D-ID57808
CAS: 361480-89-9
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
Methyl 3-aminocrotonate
REF: 3D-IM57964
CAS: 14205-39-1
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethanol N-oxide
REF: 3D-ID27365
CAS: 1076199-40-0
Min. 95%503.00 €~2,811.00 €Wed 27 Nov 24
Biosynth logo
N-Debenzoyl-N-hexanoylpaclitaxel
REF: 3D-ID26723
CAS: 153415-45-3
Min. 95%To inquireWed 27 Nov 24
Biosynth logo
1-[2-(3-Chloro-2-hydroxypropoxy)phenyl]-3-phenyl-1-propanone
REF: 3D-IC21067
CAS: 165279-79-8
Min. 95%To inquireWed 27 Nov 24
discount label

1-[4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl]-2-hydroxy-1-pentanone


Ref: 3D-IA63849

50mgTo inquire
100mgTo inquire
250mgTo inquire
500mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

2,6-Diisopropyl-1,4-benzoquinone


Ref: 3D-ID22142

2mg194.00 €
5mg310.00 €
10mg436.00 €
25mg647.00 €
50mg986.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

O-Desmethyl mycophenolate mofetil


Ref: 3D-ID21294

1mg400.00 €
2mg569.00 €
5mg813.00 €
10mg1,021.00 €
25mg2,232.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

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


Ref: 3D-IT21195

1mgTo inquire
2mgTo inquire
5mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

Montelukast acyl-b-D-glucuronide acetic acid salt


Ref: 3D-MM07213

1mgTo inquire
2mgTo inquire
5mgTo inquire
10mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

Pioglitazone Pyridine-6-[4-[2-[5-ethyl-6-[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]


Ref: 3D-IP165311

1mgTo inquire
2mgTo inquire
5mgTo inquire
10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

Dexamethasone-17-ketone


Ref: 3D-ID183298

10mgTo inquire
25mgTo inquire
50mgTo inquire
100mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

Dechloro anagrelide


Ref: 3D-ID139092

1mgTo inquire
5mgTo inquire
10mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

Ivermectin B1 aglycon


Ref: 3D-II178593

1mg436.00 €
2mg582.00 €
5mg740.00 €
10mg1,160.00 €
25mg2,087.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

Albendazole impurity F


Ref: 3D-IA71873

5mgTo inquire
10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

3-[(1E)-2-[4-[[(2-Carboxyethyl)amino]carbonyl]phenyl]diazenyl] balsalazide


Ref: 3D-IC19769

1mgTo inquire
2mgTo inquire
5mgTo inquire
10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

1-[[4-(3-Methoxypropoxy)-3-methyl-2-pyridinyl]methyl]-2-[[[4-(3-methoxypropoxy)-3-methyl-2-pyridinyl]methyl]sulfonyl]-1H-benzimidazo le


Ref: 3D-IM25352

1mgTo inquire
2mgTo inquire
5mgTo inquire
10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

2,12-Dihydro-1,3-dimethyl-9-methoxy-12-thioxobenzo [4,5] pyrido [1,2-c] imidazo [1,2-a] imidazol-2-one


Ref: 3D-ID57925

10mgTo inquire
25mgTo inquire
50mgTo inquire
100mgTo inquire
250mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

rac-N-Desisopropyl-N-ethyl acebutolol


Ref: 3D-IR27557

5mgTo inquire
10mgTo inquire
25mgTo inquire
50mgTo inquire
100mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

Amido methyl meloxicam


Ref: 3D-IA17352

1mgTo inquire
2mgTo inquire
5mgTo inquire
10mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

N,N-Dimethyl-2-[6-methyl-2-(2-bromo-4-methylphenyl)imidazol[1,2-a]pyridin-3-yl]acetamide


Ref: 3D-ID57808

1mgTo inquire
5mgTo inquire
10mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

Methyl 3-aminocrotonate


Ref: 3D-IM57964

1kgTo inquire
50gTo inquire
100gTo inquire
250gTo inquire
500gTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethanol N-oxide


Ref: 3D-ID27365

1mg503.00 €
2mg716.00 €
5mg1,022.00 €
10mg1,599.00 €
25mg2,811.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

N-Debenzoyl-N-hexanoylpaclitaxel


Ref: 3D-ID26723

25mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
discount label

1-[2-(3-Chloro-2-hydroxypropoxy)phenyl]-3-phenyl-1-propanone


Ref: 3D-IC21067

10mgTo inquire
25mgTo inquire
50mgTo inquire
100mgTo inquire
250mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
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