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Active pharmaceutical ingredient (API) impurities for research

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BrandProduct dataPurityPrice rangeEstimated delivery
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Chlorhexidine diacetate impurity A
REF: 3D-IC19930CAS: 152504-08-0 		Min. 95%364.00 €~1,855.00 €Wed 27 Nov 24
Biosynth logo
23,24-Anhydro tacrolimus
REF: 3D-IA35430CAS: 104987-16-8 		Min. 95%149.00 €~2,898.00 €Wed 27 Nov 24
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4'-[(4'Methyl-2'-propyl[2,6'-bi-1H-benzimidazol]-1'-yl)methyl][1,1'-biphenyl]-2-carboxylic acid
REF: 3D-IM21329CAS: 144701-81-5 		Min. 95%To inquireWed 27 Nov 24
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3-[4-(2-Pyridylsulfamoyl)phenyl] sulfasalazine
REF: 3D-IP145663CAS: 1391062-34-2 		Min. 95%746.00 €~3,507.00 €Wed 27 Nov 24
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3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-7,8-dihydro-2-methyl-4H-pyrido[1,2-a]pyrimidine-4,9(6H)-dione
REF: 3D-IF24786CAS: 1189516-65-1 		Min. 95%To inquireWed 27 Nov 24
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Levovirin
REF: 3D-IL167156CAS: 206269-27-4 		Min. 95%To inquireWed 27 Nov 24
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[1,1'-Biphenyl]-2'-(2H-tetrazol-5-yl)-4-carboxylic acid, [1,1'-biphenyl]-(2'-(2H-tetrazol-5-yl)-4-yl)methyl ester
REF: 3D-IB18639CAS: 1159977-10-2 		Min. 95%To inquireWed 27 Nov 24
Biosynth logo
Levofloxacin diamine impurity
REF: 3D-FL176031CAS: 1797099-76-3 		Min. 95%To inquireWed 27 Nov 24
Biosynth logo
5'-Epi lamivudine
REF: 3D-NE22708CAS: 139757-68-9 		Min. 95%To inquireWed 27 Nov 24
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(3R)-Tetrahydrofuran-3-yl 4-Methylbenzenesulfonate
REF: 3D-FT181167CAS: 219823-47-9 		Min. 95%To inquireWed 27 Nov 24
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Amino albendazole sulfone
REF: 3D-IA17360CAS: 80983-34-2 		Min. 95%136.00 €~453.00 €Wed 27 Nov 24
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Remdesivir impurity 1
REF: 3D-IR177098CAS: 1355049-95-4 		Min. 95%To inquireWed 27 Nov 24
Biosynth logo
1-Isopropyl-1-N-methylpropylamino-(3,4-dimethoxyphenyl)acetonitrile
REF: 3D-II27496CAS: 34245-14-2 		Min. 95%To inquireWed 27 Nov 24
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7 S-Cefdinir
REF: 3D-IC165847CAS: 178601-89-3 		Min. 95%To inquireWed 27 Nov 24
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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 inquireWed 27 Nov 24
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N-[(6-Chloropyridin-3-yl)methyl]-N-methylacetamide
REF: 3D-IC171311CAS: 864628-19-3 		Min. 95%To inquireWed 27 Nov 24
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Salmeterol Dimer Impurity (Mixture of Diastereomers)
REF: 3D-FS178211CAS: 1391051-88-9 		Min. 95%To inquireWed 27 Nov 24
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Dexamethasone EP Impurity K
REF: 3D-ID179384CAS: 1809224-82-5 		Min. 95%582.00 €~3,478.00 €Wed 27 Nov 24
Biosynth logo
5-(Aminosulfonyl)-2-methoxy-benzoic acid methyl ester
REF: 3D-IA145486CAS: 33045-52-2 		Min. 95%To inquireWed 27 Nov 24
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Perindopril acyl-b-D-glucuronide
REF: 3D-MP07293CAS: 120398-66-5 		Min. 95%To inquireWed 27 Nov 24
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Chlorhexidine diacetate impurity A
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Chlorhexidine diacetate impurity A

CAS:152504-08-0
Chlorhexidine diacetate impurity A is a high purity, analytical standard for the detection of chlorhexidine …
Formula:
C16H24ClN9
Purity:
Min. 95%
Color and Shape:
White to off-white solid.
Molecular weight:
377.88 g/mol

Ref: 3D-IC19930

1mg517.00 €
2mg801.00 €
5mg1,160.00 €
10mg1,855.00 €
500µg364.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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23,24-Anhydro tacrolimus
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23,24-Anhydro tacrolimus

CAS:104987-16-8
23,24-Anhydro tacrolimus is a synthetic prodrug of the immunosuppressant drug tacrolimus. It has the same …
Formula:
C44H67NO11
Purity:
Min. 95%
Color and Shape:
White Powder
Molecular weight:
786 g/mol

Ref: 3D-IA35430

1mg364.00 €
2mg517.00 €
5mg986.00 €
10mg1,449.00 €
25mg2,898.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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4'-[(4'Methyl-2'-propyl[2,6'-bi-1H-benzimidazol]-1'-yl)methyl][1,1'-biphenyl]-2-carboxylic acid
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4'-[(4'Methyl-2'-propyl[2,6'-bi-1H-benzimidazol]-1'-yl)methyl][1,1'-biphenyl]-2-carboxylic acid

CAS:144701-81-5
Gatifloxacin is a fluoroquinolone antibiotic that inhibits the DNA gyrase and topoisomerase IV, which are …
Formula:
C32H28N4O2
Purity:
Min. 95%
Molecular weight:
500.59 g/mol

Ref: 3D-IM21329

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25mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
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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 Wednesday 27 Nov 2024
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3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-7,8-dihydro-2-methyl-4H-pyrido[1,2-a…
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3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-7,8-dihydro-2-methyl-4H-pyrido[1,2-a]pyrimidine-4,9(6H)-dione

CAS:1189516-65-1
3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-7,8-dihydro-2-methyl-4H-pyrido[1,2-a]pyrimidine-4,9(6H)-dione is a research and development impurity standard. It is a synthetic drug product with …
Formula:
C23H25FN4O3
Purity:
Min. 95%
Molecular weight:
424.47 g/mol

Ref: 3D-IF24786

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Estimated delivery in United States, on Wednesday 27 Nov 2024
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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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25mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
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[1,1'-Biphenyl]-2'-(2H-tetrazol-5-yl)-4-carboxylic acid, [1,1'-biphenyl]-(2'-(2H-tetrazol-5-yl)-4-…
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[1,1'-Biphenyl]-2'-(2H-tetrazol-5-yl)-4-carboxylic acid, [1,1'-biphenyl]-(2'-(2H-tetrazol-5-yl)-4-yl)methyl ester

CAS:1159977-10-2
Biphenyl-2'-(2H-tetrazol-5-yl)-4-carboxylic acid, [1,1'-biphenyl]-(2'-(2H-tetrazol-5-yl)-4-yl)methyl ester is a research and development impurity standard. It is a synthetic …
Formula:
C28H20N8O2
Purity:
Min. 95%
Molecular weight:
500.51 g/mol

Ref: 3D-IB18639

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Estimated delivery in United States, on Wednesday 27 Nov 2024
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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

250mgTo inquire
500mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
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5'-Epi lamivudine
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5'-Epi lamivudine

CAS:139757-68-9
Lamivudine epimer
Formula:
C8H11N3O3S
Purity:
Min. 95%
Molecular weight:
229.26 g/mol

Ref: 3D-NE22708

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2mgTo inquire
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25mgTo inquire
Estimated delivery in United States, on Wednesday 27 Nov 2024
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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

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

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Estimated delivery in United States, on Wednesday 27 Nov 2024
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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 Wednesday 27 Nov 2024
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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 Wednesday 27 Nov 2024
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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 Wednesday 27 Nov 2024
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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 Wednesday 27 Nov 2024
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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

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