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Active pharmaceutical ingredient (API) impurities for research

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BrandProduct dataPurityPrice rangeEstimated delivery
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(3R)-Tetrahydrofuran-3-yl 4-Methylbenzenesulfonate
REF: 3D-FT181167CAS: 219823-47-9 		Min. 95%To inquireTue 21 Jan 25
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Amino albendazole sulfone
REF: 3D-IA17360CAS: 80983-34-2 		Min. 95%136.00 €~453.00 €Tue 21 Jan 25
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Remdesivir impurity 1
REF: 3D-IR177098CAS: 1355049-95-4 		Min. 95%To inquireTue 21 Jan 25
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1-Isopropyl-1-N-methylpropylamino-(3,4-dimethoxyphenyl)acetonitrile
REF: 3D-II27496CAS: 34245-14-2 		Min. 95%To inquireTue 21 Jan 25
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7 S-Cefdinir
REF: 3D-IC165847CAS: 178601-89-3 		Min. 95%To inquireTue 21 Jan 25
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Indoxacarb Impurity 6
REF: 3D-II173125CAS: 144172-24-7 		Min. 95%To inquireTue 21 Jan 25
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[6-Hydroxy-2-(4-hydroxyphenyl)benzo[b]thien-3-yl](4-hydroxyphenyl)-methanone
REF: 3D-IH44805CAS: 177744-96-6 		Min. 95%To inquireTue 21 Jan 25
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[4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl][(5S)-tetrahydro-5-methyl-2-furanyl]-methanone
REF: 3D-IA63848CAS: 1177261-85-6 		Min. 95%To inquireTue 21 Jan 25
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Salmeterol Dimer Impurity (Mixture of Diastereomers)
REF: 3D-FS178211CAS: 1391051-88-9 		Min. 95%To inquireTue 21 Jan 25
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Dexamethasone EP Impurity K
REF: 3D-ID179384CAS: 1809224-82-5 		Min. 95%582.00 €~3,478.00 €Tue 21 Jan 25
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3-[4-(2-Pyridylsulfamoyl)phenyl] sulfasalazine
REF: 3D-IP145663CAS: 1391062-34-2 		Min. 95%746.00 €~3,507.00 €Tue 21 Jan 25
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5-(Aminosulfonyl)-2-methoxy-benzoic acid methyl ester
REF: 3D-IA145486CAS: 33045-52-2 		Min. 95%To inquireTue 21 Jan 25
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Levovirin
REF: 3D-IL167156CAS: 206269-27-4 		Min. 95%To inquireTue 21 Jan 25
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Perindopril acyl-b-D-glucuronide
REF: 3D-MP07293CAS: 120398-66-5 		Min. 95%To inquireTue 21 Jan 25
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GS 441524 triphosphate
REF: 3D-FG167050CAS: 1355149-45-9 		(31P-Nmr) Min. 95 Area-%To inquireTue 21 Jan 25
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Levofloxacin diamine impurity
REF: 3D-FL176031CAS: 1797099-76-3 		Min. 95%To inquireTue 21 Jan 25
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N-[(6-Chloropyridin-3-yl)methyl]-N-methylacetamide
REF: 3D-IC171311CAS: 864628-19-3 		Min. 95%To inquireTue 21 Jan 25
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2-Methoxy-5-methyL-N,N-bis(1-methyLethyL)-γ-phenyLbenzenepropanamine fumarate
REF: 3D-FM39718CAS: 124935-88-2 		Min. 95%To inquireTue 21 Jan 25
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4-[2-(5-Ethyl-2-pyridinyl)ethoxy]benzenepropanoic acid ethyl ester
REF: 3D-IE23113CAS: 868754-42-1 		Min. 95%To inquireTue 21 Jan 25
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Mirtazapine N-oxide
REF: 3D-IM26015CAS: 155172-12-6 		Min. 95%To inquireTue 21 Jan 25
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(3R)-Tetrahydrofuran-3-yl 4-Methylbenzenesulfonate
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(3R)-Tetrahydrofuran-3-yl 4-Methylbenzenesulfonate

CAS:219823-47-9
Tetrahydrofuran-3-yl 4-methylbenzenesulfonate is a synthetic compound that has been used as an impurity standard for …
Formula:
C11H14O4S
Purity:
Min. 95%
Molecular weight:
242.29 g/mol

Ref: 3D-FT181167

25mgTo inquire
50mgTo inquire
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Estimated delivery in United States, on Tuesday 21 Jan 2025
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Amino albendazole sulfone
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Amino albendazole sulfone

CAS:80983-34-2
Amino albendazole sulfone is an anthelmintic drug that is used to treat worm infestations in …
Formula:
C10H13N3O2S
Purity:
Min. 95%
Molecular weight:
239.3 g/mol

Ref: 3D-IA17360

5mg136.00 €
10mg138.00 €
25mg194.00 €
50mg310.00 €
100mg453.00 €
Estimated delivery in United States, on Tuesday 21 Jan 2025
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Remdesivir impurity 1
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Remdesivir impurity 1

CAS:1355049-95-4
Remdesivir impurity 1 is a drug product, analytical and Metabolism studies. It is a custom …
Formula:
C12H13N5O4
Purity:
Min. 95%
Molecular weight:
291.26 g/mol

Ref: 3D-IR177098

10mgTo inquire
Estimated delivery in United States, on Tuesday 21 Jan 2025
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1-Isopropyl-1-N-methylpropylamino-(3,4-dimethoxyphenyl)acetonitrile
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1-Isopropyl-1-N-methylpropylamino-(3,4-dimethoxyphenyl)acetonitrile

CAS:34245-14-2
1-Isopropyl-1-N-methylpropylamino-(3,4-dimethoxyphenyl)acetonitrile is a fluorescent probe that can be used for the detection of drugs in …
Formula:
C17H26N2O2
Purity:
Min. 95%
Color and Shape:
Powder
Molecular weight:
290.4 g/mol

Ref: 3D-II27496

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2mgTo inquire
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25mgTo inquire
Estimated delivery in United States, on Tuesday 21 Jan 2025
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7 S-Cefdinir
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7 S-Cefdinir

CAS:178601-89-3
7 S-Cefdinir is an oral cephalosporin antibiotic that binds to penicillin-binding proteins in the bacterial …
Formula:
C14H13N5O5S2
Purity:
Min. 95%
Molecular weight:
395.42 g/mol

Ref: 3D-IC165847

50mgTo inquire
Estimated delivery in United States, on Tuesday 21 Jan 2025
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Indoxacarb Impurity 6
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Indoxacarb Impurity 6

CAS:144172-24-7
Indoxacarb is a racemic compound that is used as an insecticide. It belongs to the …
Formula:
C11H9ClO4
Purity:
Min. 95%
Molecular weight:
240.64 g/mol

Ref: 3D-II173125

25gTo inquire
Estimated delivery in United States, on Tuesday 21 Jan 2025
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[6-Hydroxy-2-(4-hydroxyphenyl)benzo[b]thien-3-yl](4-hydroxyphenyl)-methanone
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[6-Hydroxy-2-(4-hydroxyphenyl)benzo[b]thien-3-yl](4-hydroxyphenyl)-methanone

CAS:177744-96-6
MDM2 inhibitors are a class of cancer drugs that inhibit the activity of MDM2, which …
Formula:
C21H14O4S
Purity:
Min. 95%
Molecular weight:
362.4 g/mol

Ref: 3D-IH44805

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250mgTo inquire
Estimated delivery in United States, on Tuesday 21 Jan 2025
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[4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl][(5S)-tetrahydro-5-methyl-2-furanyl]-metha…
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[4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl][(5S)-tetrahydro-5-methyl-2-furanyl]-methanone

CAS:1177261-85-6
Furegrelate is an analytical reference standard for the hydroxylation of 4-(4-amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl[(5S)-tetrahydro-5-methyl-2-furanyl]-methanone. Furegrelate is a synthetic …
Formula:
C20H27N5O4
Purity:
Min. 95%
Molecular weight:
401.46 g/mol

Ref: 3D-IA63848

1mgTo inquire
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Estimated delivery in United States, on Tuesday 21 Jan 2025
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Salmeterol Dimer Impurity (Mixture of Diastereomers)
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Salmeterol Dimer Impurity (Mixture of Diastereomers)

CAS:1391051-88-9
Salmeterol dimer impurity is a drug product. It is a custom synthesis with high purity. …
Formula:
C50H72N2O7
Purity:
Min. 95%
Molecular weight:
812.53395

Ref: 3D-FS178211

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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Dexamethasone EP Impurity K
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Dexamethasone EP Impurity K

CAS:1809224-82-5
Dexamethasone EP Impurity K is an analytical standard for impurities in the drug product Dexamethasone …
Formula:
C22H26O4
Purity:
Min. 95%
Molecular weight:
354.44 g/mol

Ref: 3D-ID179384

1mg582.00 €
2mg863.00 €
5mg1,276.00 €
10mg1,971.00 €
25mg3,478.00 €
Estimated delivery in United States, on Tuesday 21 Jan 2025
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3-[4-(2-Pyridylsulfamoyl)phenyl] sulfasalazine
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3-[4-(2-Pyridylsulfamoyl)phenyl] sulfasalazine

CAS:1391062-34-2
3-[4-(2-Pyridylsulfamoyl)phenyl] sulfasalazine is an analytical standard and a metabolite of sulfasalazine. It is used as …
Formula:
C29H22N6O7S2
Purity:
Min. 95%
Molecular weight:
630.65 g/mol

Ref: 3D-IP145663

1mg746.00 €
2mg1,123.00 €
5mg2,525.00 €
10mg3,507.00 €
Estimated delivery in United States, on Tuesday 21 Jan 2025
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5-(Aminosulfonyl)-2-methoxy-benzoic acid methyl ester
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5-(Aminosulfonyl)-2-methoxy-benzoic acid methyl ester

CAS:33045-52-2
5-(Aminosulfonyl)-2-methoxy-benzoic acid methyl ester is a synthetic compound that is used for pharmaceutical preparations. It …
Formula:
C9H11NO5S
Purity:
Min. 95%
Molecular weight:
245.25 g/mol

Ref: 3D-IA145486

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

Controlled Product
CAS:206269-27-4
Levovirin is an antiviral agent that belongs to the class of ribonucleotide reductase inhibitors. It …
Formula:
C8H12N4O5
Purity:
Min. 95%
Molecular weight:
244.2 g/mol

Ref: 3D-IL167156

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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Perindopril acyl-b-D-glucuronide
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Perindopril acyl-b-D-glucuronide

CAS:120398-66-5
Metabolite of perindopril
Formula:
C25H40N2O11
Purity:
Min. 95%
Color and Shape:
Off-white or pale yellow solid.
Molecular weight:
544.6 g/mol

Ref: 3D-MP07293

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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GS 441524 triphosphate
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GS 441524 triphosphate

CAS:1355149-45-9
Triphosphorylated form of an antiviral nucleoside analog with activity against zoonotic feline infectious peritonitis virus …
Formula:
C12H12N5O13P3·4Na
Purity:
(31P-Nmr) Min. 95 Area-%
Color and Shape:
White Powder
Molecular weight:
531.20 g/mol

Ref: 3D-FG167050

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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Levofloxacin diamine impurity
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Levofloxacin diamine impurity

CAS:1797099-76-3
Levofloxacin is a synthetic fluoroquinolone antibiotic. The diamine impurity of levofloxacin is the major metabolite …
Purity:
Min. 95%

Ref: 3D-FL176031

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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N-[(6-Chloropyridin-3-yl)methyl]-N-methylacetamide
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N-[(6-Chloropyridin-3-yl)methyl]-N-methylacetamide

CAS:864628-19-3
N-[(6-Chloropyridin-3-yl)methyl]-N-methylacetamide (CAS No. 864628-19-3) is a drug product that has a natural and synthetic origin. …
Formula:
C9H11ClN2O
Purity:
Min. 95%
Molecular weight:
198.65 g/mol

Ref: 3D-IC171311

1gTo inquire
500mgTo inquire
Estimated delivery in United States, on Tuesday 21 Jan 2025
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2-Methoxy-5-methyL-N,N-bis(1-methyLethyL)-γ-phenyLbenzenepropanamine fumarate
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2-Methoxy-5-methyL-N,N-bis(1-methyLethyL)-γ-phenyLbenzenepropanamine fumarate

CAS:124935-88-2
2-Methoxy-5-methyL-N,N-bis(1-methyLethyl)-gamma-phenyLbenzenepropanamine fumarate (DMXBPC) is an analgesic that has been shown to be a potent inhibitor …
Formula:
C23H33NO
Purity:
Min. 95%
Molecular weight:
339.51 g/mol

Ref: 3D-FM39718

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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4-[2-(5-Ethyl-2-pyridinyl)ethoxy]benzenepropanoic acid ethyl ester
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4-[2-(5-Ethyl-2-pyridinyl)ethoxy]benzenepropanoic acid ethyl ester

CAS:868754-42-1
4-[2-(5-Ethyl-2-pyridinyl)ethoxy]benzenepropanoic acid ethyl ester is an analytical standard for metabolite identification and quantitation in human …
Formula:
C20H25NO3
Purity:
Min. 95%
Molecular weight:
327.42 g/mol

Ref: 3D-IE23113

50mgTo inquire
Estimated delivery in United States, on Tuesday 21 Jan 2025
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Mirtazapine N-oxide
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Mirtazapine N-oxide

CAS:155172-12-6
Mirtazapine N-oxide is an antidepressant agent that is metabolized to mirtazapine. Mirtazapine N-oxide has been …
Formula:
C17H19N3O
Purity:
Min. 95%
Molecular weight:
281.35 g/mol

Ref: 3D-IM26015

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Estimated delivery in United States, on Tuesday 21 Jan 2025
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