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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Product data	Purity	Price range	Estimated delivery
Montelukast impurity I REF: 3D-IM111856CAS: 2045402-27-3	Min. 95%	136.00 €~480.00 €	Tue 26 Nov 24
a,a,a',a'-Tetramethyl-5-(dibromomethyl)-1,3-benzenediacetonitrile REF: 3D-IT28172CAS: 1027160-12-8	Min. 95%	To inquire	Tue 26 Nov 24
Pantoprazole N-oxide REF: 3D-ID26752CAS: 953787-60-5	Min. 95%	To inquire	Tue 26 Nov 24
Pemetrexed impurity B REF: 3D-IP63807CAS: 1802552-04-0	Min. 95%	To inquire	Tue 26 Nov 24
Cefpodoxime proxetil impurity C REF: 3D-FC63694CAS: 339528-86-8	Min. 95%	To inquire	Tue 26 Nov 24
5-O-Desethyl amlodipine REF: 3D-ID153422CAS: 1809326-44-0	Min. 95%	182.00 €~1,073.00 €	Tue 26 Nov 24
2-(Aminomethyl)-1-ethylpyrrolidine REF: 3D-IA63832CAS: 26116-12-1	Min. 95%	136.00 €~639.00 €	Tue 26 Nov 24
1,4-Bis(2,3,4-trimethoxybenzyl)piperazine REF: 3D-IB63857CAS: 1257-19-8	Min. 95%	194.00 €~1,045.00 €	Tue 26 Nov 24
(5E)-Calcipotriene REF: 3D-IC19633CAS: 113082-99-8	Min. 95%	740.00 €~5,507.00 €	Tue 26 Nov 24
4-(1-Hydroxy-1-methylethyl)-2-propyl-1-[[2'-[2-(triphenylmethyl)-2H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-(5-methyl-2-oxo-1,3-d ioxol-4-yl)1H-Imidazole-5-carboxylic acid methyl ester REF: 3D-IH139102CAS: 1020157-01-0	Min. 95%	To inquire	Tue 26 Nov 24
N-Desmethyl 3-hydroxy mepivacaine REF: 3D-ID74955CAS: 247061-17-2	Min. 95%	To inquire	Tue 26 Nov 24
Chlorhexidine diacetate impurity A REF: 3D-IC19930CAS: 152504-08-0	Min. 95%	364.00 €~1,855.00 €	Tue 26 Nov 24
23,24-Anhydro tacrolimus REF: 3D-IA35430CAS: 104987-16-8	Min. 95%	149.00 €~2,898.00 €	Tue 26 Nov 24
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 inquire	Tue 26 Nov 24
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 inquire	Tue 26 Nov 24
[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 inquire	Tue 26 Nov 24
5'-Epi lamivudine REF: 3D-NE22708CAS: 139757-68-9	Min. 95%	To inquire	Tue 26 Nov 24
(3R)-Tetrahydrofuran-3-yl 4-Methylbenzenesulfonate REF: 3D-FT181167CAS: 219823-47-9	Min. 95%	To inquire	Tue 26 Nov 24
Amino albendazole sulfone REF: 3D-IA17360CAS: 80983-34-2	Min. 95%	136.00 €~453.00 €	Tue 26 Nov 24
Remdesivir impurity 1 REF: 3D-IR177098CAS: 1355049-95-4	Min. 95%	To inquire	Tue 26 Nov 24

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Montelukast impurity I

CAS:2045402-27-3

Montelukast impurity I is an impurity found in the drug product, Montelukast. It is a …

Formula:

C₃₅H₃₆ClNO₄S

Purity:

Min. 95%

Molecular weight:

602.18 g/mol

Ref: 3D-IM111856

5µg		136.00 €
10µg		151.00 €
25µg		213.00 €
50µg		341.00 €
100µg		480.00 €

Estimated delivery in United States, on Tuesday 26 Nov 2024

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a,a,a',a'-Tetramethyl-5-(dibromomethyl)-1,3-benzenediacetonitrile

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a,a,a',a'-Tetramethyl-5-(dibromomethyl)-1,3-benzenediacetonitrile

CAS:1027160-12-8

Tetramethyl-1,3-benzenediacetonitrile is a synthetic chemical that is used as an impurity in the synthesis of …

Formula:

C₁₅H₁₆Br₂N₂

Purity:

Min. 95%

Molecular weight:

384.11 g/mol

Ref: 3D-IT28172

2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire
50mg		To inquire

Estimated delivery in United States, on Tuesday 26 Nov 2024

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Pantoprazole N-oxide

CAS:953787-60-5

Pantoprazole is a proton pump inhibitor that inhibits the gastric acid secretion by blocking the …

Formula:

C₁₆H₁₅F₂N₃O₅S

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

399.37 g/mol

Ref: 3D-ID26752

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Tuesday 26 Nov 2024

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Pemetrexed impurity B

CAS:1802552-04-0

Pemetrexed disodium is the disodium salt of pemetrexed, which is a cancer drug. Pemetrexed impurity …

Formula:

C₄₀H₄₀N₁₀O₁₃

Purity:

Min. 95%

Molecular weight:

868.81 g/mol

Ref: 3D-IP63807

1mg		To inquire
5mg		To inquire
10mg		To inquire

Estimated delivery in United States, on Tuesday 26 Nov 2024

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Cefpodoxime proxetil impurity C

CAS:339528-86-8

Cefpodoxime proxetil impurity C is an impurity in cefpodoxime proxetil, a drug that belongs to …

Formula:

C₂₁H₂₇N₅O₉S₂

Purity:

Min. 95%

Molecular weight:

557.6 g/mol

Ref: 3D-FC63694

2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire
50mg		To inquire

Estimated delivery in United States, on Tuesday 26 Nov 2024

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5-O-Desethyl amlodipine

CAS:1809326-44-0

5-O-Desethyl amlodipine is a metabolite of amlodipine. It has been used as an analytical reference …

Formula:

C₁₈H₂₁ClN₂O₅

Purity:

Min. 95%

Molecular weight:

380.82 g/mol

Ref: 3D-ID153422

1mg		182.00 €
2mg		254.00 €
5mg		472.00 €
10mg		621.00 €
25mg		1,073.00 €

Estimated delivery in United States, on Tuesday 26 Nov 2024

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2-(Aminomethyl)-1-ethylpyrrolidine

CAS:26116-12-1

2-(Aminomethyl)-1-ethylpyrrolidine is a pharmaceutical preparation that has been used in the analytical method for determining …

Formula:

C₇H₁₆N₂

Purity:

Min. 95%

Color and Shape:

Clear Liquid

Molecular weight:

128.22 g/mol

Ref: 3D-IA63832

25g		136.00 €
50g		152.00 €
100g		213.00 €
250g		400.00 €
500g		639.00 €

Estimated delivery in United States, on Tuesday 26 Nov 2024

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1,4-Bis(2,3,4-trimethoxybenzyl)piperazine

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1,4-Bis(2,3,4-trimethoxybenzyl)piperazine

CAS:1257-19-8

1,4-Bis(2,3,4-trimethoxybenzyl)piperazine (1,4BTMP) is a piperazine derivative that has been shown to have inotropic properties. 1,4BTMP …

Formula:

C₂₄H₃₄O₆

Purity:

Min. 95%

Molecular weight:

418.52 g/mol

Ref: 3D-IB63857

25mg		194.00 €
50mg		310.00 €
100mg		453.00 €
250mg		711.00 €
500mg		1,045.00 €

Estimated delivery in United States, on Tuesday 26 Nov 2024

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(5E)-Calcipotriene

CAS:113082-99-8

(5E)-Calcipotriene is a synthetic, natural, and analytical chemical. It is a white to off-white powder …

Formula:

C₂₇H₄₀O₃

Purity:

Min. 95%

Molecular weight:

412.6 g/mol

Ref: 3D-IC19633

1mg		740.00 €
2mg		1,044.00 €
5mg		1,739.00 €
10mg		3,014.00 €
25mg		5,507.00 €

Estimated delivery in United States, on Tuesday 26 Nov 2024

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4-(1-Hydroxy-1-methylethyl)-2-propyl-1-[[2'-[2-(triphenylmethyl)-2H-tetrazol-5-yl][1,1'-biphenyl]-…

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4-(1-Hydroxy-1-methylethyl)-2-propyl-1-[[2'-[2-(triphenylmethyl)-2H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-(5-methyl-2-oxo-1,3-d ioxol-4-yl)1H-Imidazole-5-carboxylic acid methyl ester

CAS:1020157-01-0

Medoxomil is a magnetic resonance imaging contrast agent that belongs to the class of organic …

Formula:

C₄₈H₄₄N₆O₆

Purity:

Min. 95%

Molecular weight:

800.9 g/mol

Ref: 3D-IH139102

1mg		To inquire
2mg		To inquire
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10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Tuesday 26 Nov 2024

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N-Desmethyl 3-hydroxy mepivacaine

CAS:247061-17-2

N-Desmethyl 3-hydroxy mepivacaine is a metabolite of mepivacaine. It has been shown to be effective …

Formula:

C₁₄H₂₀N₂O₂

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

248.32 g/mol

Ref: 3D-ID74955

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire

Estimated delivery in United States, on Tuesday 26 Nov 2024

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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

1mg		517.00 €
2mg		801.00 €
5mg		1,160.00 €
10mg		1,855.00 €
500µg		364.00 €

Estimated delivery in United States, on Tuesday 26 Nov 2024

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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

1mg		364.00 €
2mg		517.00 €
5mg		986.00 €
10mg		1,449.00 €
25mg		2,898.00 €

Estimated delivery in United States, on Tuesday 26 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

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire
25mg		To inquire

Estimated delivery in United States, on Tuesday 26 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

1mg		To inquire
2mg		To inquire
5mg		To inquire
10mg		To inquire

Estimated delivery in United States, on Tuesday 26 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