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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. 6312 products on this category.

BrandProduct dataPurityPrice rangeEstimated delivery
Biosynth logo
2-Butyl-3-(3,5-diiodo-4-hydroxybenzoyl)benzofuran
REF: 3D-IB19486
CAS: 1951-26-4
Min. 95%To inquireFri 29 Nov 24
Biosynth logo
Diclofenac monobromo impurity, sodium salt
REF: 3D-ID21714
CAS: 127792-45-4
Min. 95%To inquireFri 29 Nov 24
Biosynth logo
4-Methyl-5-[(2-aminoethyl)thiomethyl]imidazole dihydrochloride
REF: 3D-IM58265
CAS: 38603-72-4
Min. 95%To inquireFri 29 Nov 24
Biosynth logo
Solifenacin impurity C
REF: 3D-IS167451
CAS: 1534326-81-2
Min. 95 Area-%To inquireFri 29 Nov 24
Biosynth logo
Torasemide Impurity E
REF: 3D-FT176082
CAS: 72810-57-2
Min. 95%136.00 €~569.00 €Fri 29 Nov 24
Biosynth logo
Benserazide EP Impurity B hydrochloride
REF: 3D-IB183713
Min. 95%813.00 €~4,405.00 €Fri 29 Nov 24
Biosynth logo
Cefazolinamide
REF: 3D-IC183354
CAS: 2410652-70-7
Min. 95%364.00 €~2,898.00 €Fri 29 Nov 24
Biosynth logo
Piperacillin impurity N
REF: 3D-IP183355
CAS: 2170771-53-4
Min. 95%To inquireFri 29 Nov 24
Biosynth logo
L-Piperacillin
REF: 3D-IP183358
Min. 95%To inquireFri 29 Nov 24
Biosynth logo
N-(1-Oxobutyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine
REF: 3D-IO28664
CAS: 952652-79-8
Min. 95%248.00 €~1,449.00 €Fri 29 Nov 24
Biosynth logo
Losartan azide
REF: 3D-IL183331
CAS: 727718-93-6
Min. 95%138.00 €~801.00 €Fri 29 Nov 24
Biosynth logo
Levothyroxine EP impurity B
REF: 3D-IL183329
CAS: 1628720-66-0
Min. 95%To inquireFri 29 Nov 24
Biosynth logo
a-(Aminocarbonyl)-4-[2-(5-ethyl-2-pyridinyl)ethoxy]benzeneethanesulfonic acid
REF: 3D-IA27057
CAS: 625853-73-8
Min. 95%To inquireFri 29 Nov 24
Biosynth logo
Clarithromycin-N-methyl-d3
REF: 3D-IC183141
CAS: 959119-22-3
Min. 95%341.00 €~2,296.00 €Fri 29 Nov 24
Biosynth logo
(5aR,10aR)-Tetrahydro-3H,5H,8H,10H-bisthiazolo[3,4-a:3',4'-d]pyrazine-5,10-dione
REF: 3D-IT145578
CAS: 72744-67-3
Min. 95%To inquireFri 29 Nov 24
Biosynth logo
2-Methoxyethyl-3-aminocrotonate
REF: 3D-IM57945
CAS: 50899-10-0
Min. 95%To inquireFri 29 Nov 24
Biosynth logo
Sodium picosulfate EP Impurity A
REF: 3D-IS178199
CAS: 32500-19-9
Min. 95%To inquireFri 29 Nov 24
Biosynth logo
3-(3-Trifluoromethylphenyl)propionaldehyde diethylacetal
REF: 3D-IT58181
CAS: 2059999-49-2
Min. 95%To inquireFri 29 Nov 24
Biosynth logo
1-[1-(4-Methoxyphenyl)-2-(methylamino)ethyl]-cyclohexanol hydrochloride
REF: 3D-IM63866
CAS: 93413-90-2
Min. 95%136.00 €~480.00 €Fri 29 Nov 24
Biosynth logo
1-Desmethyl 2-methyl granisetron
REF: 3D-ID21230
CAS: 127472-42-8
Min. 95%To inquireFri 29 Nov 24
discount label

2-Butyl-3-(3,5-diiodo-4-hydroxybenzoyl)benzofuran


Ref: 3D-IB19486

1gTo inquire
2gTo inquire
5gTo inquire
250mgTo inquire
500mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

Diclofenac monobromo impurity, sodium salt


Ref: 3D-ID21714

1mgTo inquire
2mgTo inquire
5mgTo inquire
10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

4-Methyl-5-[(2-aminoethyl)thiomethyl]imidazole dihydrochloride


Ref: 3D-IM58265

1gTo inquire
2gTo inquire
100mgTo inquire
250mgTo inquire
500mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

Solifenacin impurity C


Ref: 3D-IS167451

5mgTo inquire
10mgTo inquire
25mgTo inquire
50mgTo inquire
100mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

Torasemide Impurity E


Ref: 3D-FT176082

5mg136.00 €
10mg189.00 €
25mg273.00 €
50mg400.00 €
100mg569.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

Benserazide EP Impurity B hydrochloride


Ref: 3D-IB183713

1mg813.00 €
2mg1,276.00 €
5mg2,667.00 €
10mg4,405.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

Cefazolinamide


Ref: 3D-IC183354

1mg364.00 €
5mg801.00 €
10mg1,160.00 €
25mg2,029.00 €
50mg2,898.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

Piperacillin impurity N


Ref: 3D-IP183355

25mgTo inquire
50mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

L-Piperacillin


Ref: 3D-IP183358

1mgTo inquire
2mgTo inquire
5mgTo inquire
10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

N-(1-Oxobutyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine


Ref: 3D-IO28664

1mg248.00 €
2mg364.00 €
5mg517.00 €
10mg801.00 €
25mg1,449.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

Losartan azide


Ref: 3D-IL183331

1mg138.00 €
2mg194.00 €
5mg310.00 €
10mg453.00 €
25mg801.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

Levothyroxine EP impurity B


Ref: 3D-IL183329

25mgTo inquire
50mgTo inquire
100mgTo inquire
250mgTo inquire
500mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

a-(Aminocarbonyl)-4-[2-(5-ethyl-2-pyridinyl)ethoxy]benzeneethanesulfonic acid


Ref: 3D-IA27057

2mgTo inquire
5mgTo inquire
10mgTo inquire
25mgTo inquire
50mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

Clarithromycin-N-methyl-d3


Ref: 3D-IC183141

1mg341.00 €
2mg455.00 €
5mg711.00 €
10mg1,021.00 €
25mg2,296.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

(5aR,10aR)-Tetrahydro-3H,5H,8H,10H-bisthiazolo[3,4-a:3',4'-d]pyrazine-5,10-dione


Ref: 3D-IT145578

1mgTo inquire
2mgTo inquire
5mgTo inquire
10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

2-Methoxyethyl-3-aminocrotonate


Ref: 3D-IM57945

25mgTo inquire
50mgTo inquire
100mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

Sodium picosulfate EP Impurity A


Ref: 3D-IS178199

25mgTo inquire
50mgTo inquire
100mgTo inquire
250mgTo inquire
500mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

3-(3-Trifluoromethylphenyl)propionaldehyde diethylacetal


Ref: 3D-IT58181

10mgTo inquire
25mgTo inquire
50mgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

1-[1-(4-Methoxyphenyl)-2-(methylamino)ethyl]-cyclohexanol hydrochloride


Ref: 3D-IM63866

5mg136.00 €
10mg151.00 €
25mg213.00 €
50mg341.00 €
100mg480.00 €
Estimated delivery in United States, on Friday 29 Nov 2024
discount label

1-Desmethyl 2-methyl granisetron


Ref: 3D-ID21230

1mgTo inquire
2mgTo inquire
5mgTo inquire
250µgTo inquire
500µgTo inquire
Estimated delivery in United States, on Friday 29 Nov 2024
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