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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. 5354 products on this category.

BrandProduct dataPurityPrice rangeEstimated delivery
Targetmol logo
(RS)-AMPA
REF: TM-T16800
CAS: 77521-29-0
98%2,301.00 €~6,521.00 €Wed 26 Mar 25
Biosynth logo
Doxorubicin Dimer Impurity-1
REF: 3D-ID176588
Min. 95%5,101.00 €~9,042.00 €Wed 30 Apr 25
Ioversol Related Compound A (5-Amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide) (DISCONTINUED)
REF: 45-1345115
CAS: 76801-93-9
- - -- - -Discontinued product
Gadodiamide Related Compound A (Gadolinium sodium diethylenetriamine pentaacetic acid monomethylamide)
REF: 45-1287518
- - -- - -Discontinued product
Thioridazine Related Compound F (2-(Methylthio)-10-[2-(piperidin-2-yl)ethyl]-10H-phenothiazine hydrochloride) (DISCONTINUED)
REF: 45-1663063
CAS: 13002-81-8
- - -- - -Discontinued product
Amiodarone Related Compound B
REF: 45-1027324
CAS: 83409-32-9
- - -- - -Discontinued product
Rabeprazole Related Compound A (Disodium 1-benzimidazol-2-yl-3-methyl-4-oxo-1,4-dihydropyridine-2-carboxylate)
REF: 45-1598020
- - -- - -Discontinued product
Iscotrizinol Related Compound B (4-[(4-{[4-(tert-butylcarbamoyl)phenyl]amino}-6-[(4-{[(2-ethylhexyl)oxy]carbonyl}phenyl)amino]-1,3,5-triazin-2-yl)amino]benzoic acid) (DISCONTINUED)
REF: 45-1193378
- - -- - -Discontinued product
Cidofovir Related Compound B (1-[(S)-3-Hydroxy-2-(O,O-diethylphosphonomethoxy)propyl]cytosine hydrochloride)
REF: 45-1133886
- - -- - -Discontinued product
Eprosartan Related Compound A ((E)-3-(2-butyl-1H-imidazol-5-yl)-2-(thiophen-2-ylmethyl)acrylic acid hydrochloride) (DISCONTINUED)
REF: 45-1238228
- - -- - -Discontinued product
Eprosartan Related Compound B (3-(thiophen-2-yl)propanoic acid) (DISCONTINUED)
REF: 45-1238239
CAS: 5928-51-8
- - -- - -Discontinued product
Drometrizole Trisiloxane Related Compound D (2-(2H-Benzotriazol-2-yl)-6-isobutyl-p-cresol) (DISCONTINUED)
REF: 45-1228053
- - -- - -Discontinued product
Loracarbef L-Isomer (DISCONTINUED)
REF: 45-1370225
- - -- - -Discontinued product
Iscotrizinol Related Compound C (2-Ethylhexyl 4-[(4-{[4-(tert-butylcarbamoyl)phenyl]amino}-6-chloro-1,3,5-triazin-2-yl)amino]benzoate) (DISCONTINUED)
REF: 45-1193389
- - -- - -Discontinued product
Cyclizine Related Compound A (1-Methylpiperazine)
REF: 45-1154015
CAS: 109-01-3
- - -- - -Discontinued product
Modafinil Related Compound B (2-[(diphenylmethyl)sulfonyl]acetamide) (DISCONTINUED)
REF: 45-1445357
CAS: 118779-53-6
- - -- - -Discontinued product
Iscotrizinol Related Compound I (Bis(2-ethylhexyl) 4,4'-{[6-({4-[(4-{[(2-ethylhexyl)oxy]carbonyl}phenyl)carbamoyl]phenyl}amino)-1,3,5-triazine-2,4-diyl]bis(azanediyl)}dibenzoate) (DISCONTINUED)
REF: 45-1193447
- - -- - -Discontinued product
Drometrizole Trisiloxane Related Compound A (2-(2H-Benzotriazol-2-yl)-6-(isobuten-1-yl)-p-cresol) (DISCONTINUED)
REF: 45-1228029
CAS: 2170-37-8
- - -- - -Discontinued product
Iscotrizinol Related Compound F (Bis(2-ethylhexyl) 4,4'-({6-[(4-carbamoylphenyl)amino]-1,3,5-triazine-2,4-diyl}bis(azanediyl))dibenzoate) (DISCONTINUED)
REF: 45-1193414
- - -- - -Discontinued product
Alclometasone Dipropionate Related Compound A (11β,17,21-trihydroxy-16α-methylpregna-1,4-diene-3,20-dione 17,21-dipropionate)
REF: 45-1012746
- - -- - -Discontinued product
discount label

(RS)-AMPA


Ref: TM-T16800

25mg3,497.00 €
50mg4,639.00 €
100mg6,521.00 €
Estimated delivery in United States, on Wednesday 26 Mar 2025
discount label

Doxorubicin Dimer Impurity-1


Ref: 3D-ID176588

10mg5,101.00 €
25mg9,042.00 €
Estimated delivery in United States, on Wednesday 30 Apr 2025
discount label

Ioversol Related Compound A (5-Amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide) (DISCONTINUED)


Discontinued product
discount label

Gadodiamide Related Compound A (Gadolinium sodium diethylenetriamine pentaacetic acid monomethylamide)


Discontinued product
discount label

Thioridazine Related Compound F (2-(Methylthio)-10-[2-(piperidin-2-yl)ethyl]-10H-phenothiazine hydrochloride) (DISCONTINUED)


Discontinued product
discount label

Amiodarone Related Compound B


Ref: 45-1027324

Undefined sizeDiscontinuedRequest information
Discontinued product
discount label

Rabeprazole Related Compound A (Disodium 1-benzimidazol-2-yl-3-methyl-4-oxo-1,4-dihydropyridine-2-carboxylate)


Discontinued product
discount label

Iscotrizinol Related Compound B (4-[(4-{[4-(tert-butylcarbamoyl)phenyl]amino}-6-[(4-{[(2-ethylhexyl)oxy]carbonyl}phenyl)amino]-1,3,5-triazin-2-yl)amino]benzoic acid) (DISCONTINUED)


Discontinued product
discount label

Cidofovir Related Compound B (1-[(S)-3-Hydroxy-2-(O,O-diethylphosphonomethoxy)propyl]cytosine hydrochloride)


Discontinued product
discount label

Eprosartan Related Compound A ((E)-3-(2-butyl-1H-imidazol-5-yl)-2-(thiophen-2-ylmethyl)acrylic acid hydrochloride) (DISCONTINUED)


Discontinued product
discount label

Eprosartan Related Compound B (3-(thiophen-2-yl)propanoic acid) (DISCONTINUED)


Discontinued product
discount label

Drometrizole Trisiloxane Related Compound D (2-(2H-Benzotriazol-2-yl)-6-isobutyl-p-cresol) (DISCONTINUED)


Discontinued product
discount label

Loracarbef L-Isomer (DISCONTINUED)


Discontinued product
discount label

Iscotrizinol Related Compound C (2-Ethylhexyl 4-[(4-{[4-(tert-butylcarbamoyl)phenyl]amino}-6-chloro-1,3,5-triazin-2-yl)amino]benzoate) (DISCONTINUED)


Discontinued product
discount label

Cyclizine Related Compound A (1-Methylpiperazine)


Discontinued product
discount label

Modafinil Related Compound B (2-[(diphenylmethyl)sulfonyl]acetamide) (DISCONTINUED)


Discontinued product
discount label

Iscotrizinol Related Compound I (Bis(2-ethylhexyl) 4,4'-{[6-({4-[(4-{[(2-ethylhexyl)oxy]carbonyl}phenyl)carbamoyl]phenyl}amino)-1,3,5-triazine-2,4-diyl]bis(azanediyl)}dibenzoate) (DISCONTINUED)


Discontinued product
discount label

Drometrizole Trisiloxane Related Compound A (2-(2H-Benzotriazol-2-yl)-6-(isobuten-1-yl)-p-cresol) (DISCONTINUED)


Discontinued product
discount label

Iscotrizinol Related Compound F (Bis(2-ethylhexyl) 4,4'-({6-[(4-carbamoylphenyl)amino]-1,3,5-triazine-2,4-diyl}bis(azanediyl))dibenzoate) (DISCONTINUED)


Discontinued product
discount label

Alclometasone Dipropionate Related Compound A (11β,17,21-trihydroxy-16α-methylpregna-1,4-diene-3,20-dione 17,21-dipropionate)


Discontinued product
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