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
AMPA receptor antagonist-2 REF: TM-T61068CAS: 732277-05-3	98.21%	113.00 €~1,040.00 €	Mon 27 Jan 25
Dizocilpine REF: TM-T6259CAS: 77086-21-6	99.75% - 99.97%	35.00 €~895.00 €	Mon 27 Jan 25
Selurampanel REF: TM-T34609CAS: 912574-69-7	98.68% - 99.41%	177.00 €~3,368.00 €	Mon 27 Jan 25
TAK-137 REF: TM-T70880CAS: 1358749-55-9	99.27%	266.00 €~2,364.00 €	Mon 27 Jan 25
SYM 2081 REF: TM-T16963CAS: 31137-74-3	99.59%	94.00 €~2,006.00 €	Mon 27 Jan 25
Chlorthalidone impurity J REF: 3D-IC171609CAS: 956-92-3	Min. 95 Area-%	104.00 €~865.00 €	Mon 03 Feb 25
Testosterone Enanthate Related Compound H CIII (Androst-5-ene-3β,17β-diyl diheptanoate) REF: 45-1648081CAS: 162890-98-4	- - -	To inquire	Mon 03 Feb 25
Acarbose EP Impurity H REF: 3D-IA175982CAS: 196944-81-7	Min. 95%	To inquire	Mon 03 Feb 25
Empagliflozin S-furanose REF: 3D-IE181148CAS: 1620758-32-8	Min. 95%	84.00 €~1,449.00 €	Mon 03 Feb 25
Zopiclone R-Isomer CIV ((-)-(5R)-6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate) REF: 45-1729118CAS: 138680-08-7	- - -	To inquire	Mon 03 Feb 25
Mycophenolate mofetil EP Impurity C REF: 3D-IM183780CAS: 2286278-51-9	Min. 95%	285.00 €~3,130.00 €	Mon 03 Feb 25
(2S,3R,5S)-5-[(N-Formyl-L-leucyl)oxy]-2-hexyl-3-hydroxyhexadecanoic acid REF: 3D-IF23585CAS: 130793-28-1	Min. 95%	472.00 €~2,319.00 €	Mon 03 Feb 25
Vildagliptin carboxylic acid methyl ester REF: 3D-IV183531CAS: 948574-56-9	Min. 95%	136.00 €~646.00 €	Mon 03 Feb 25
1-Fluoronaphthalene REF: 3D-IF23445CAS: 321-38-0	Min. 95%	136.00 €~723.00 €	Mon 03 Feb 25
Roflumilast Impurity A REF: 3D-IR168438CAS: 475271-62-6	Min. 95%	58.00 €~1,275.00 €	Mon 03 Feb 25
Emtricitabine impurity 17 REF: 3D-IE183412CAS: 2101981-64-8	Min. 95%	248.00 €~1,044.00 €	Mon 03 Feb 25
Benzphetamine Related Compound A CIII ((R)-N-Benzyl-N-methyl-1-phenylpropan-2-amine hydrochloride) REF: 45-1059014CAS: 28646-36-8	- - -	To inquire	Mon 03 Feb 25
Amlodipine EP Impurity E maleate REF: 3D-IA182776CAS: 400024-12-6	Min. 95%	194.00 €~1,393.00 €	Mon 03 Feb 25
Amlodipine EP Impurity F maleate REF: 3D-IA182779CAS: 400024-11-5	Min. 95%	2,168.00 €~5,101.00 €	Mon 03 Feb 25
Oxymorphone Related Compound A CII (4,5α-Epoxy-3,14-dihydroxy-17-methylmorphinan-6-one N-oxide) REF: 45-1488019CAS: 71360-37-7	- - -	To inquire	Mon 03 Feb 25

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AMPA receptor antagonist-2

CAS:732277-05-3

AMPA receptor antagonist-2 is an AMPA receptor antagonist.

Formula:

C₁₈H₁₇N₃O₄

Purity:

98.21%

Color and Shape:

Liquid

Molecular weight:

339.35

Ref: TM-T61068

1mg		113.00 €
5mg		250.00 €
10mg		367.00 €
25mg		550.00 €
50mg		775.00 €
100mg		1,040.00 €
1mL*10mM (DMSO)		252.00 €

Estimated delivery in United States, on Monday 27 Jan 2025

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Dizocilpine

CAS:77086-21-6

MK-801 (Dizocilpine (MK-801)) is a potent N-methyl-D-aspartate (NMDA) receptor antagonist with Ki of 30.5 nM.

Formula:

C₁₆H₁₅N

Purity:

99.75% - 99.97%

Color and Shape:

Solid

Molecular weight:

221.3

Ref: TM-T6259

1mg		35.00 €
5mg		62.00 €
10mg		94.00 €
25mg		148.00 €
50mg		234.00 €
100mg		376.00 €
500mg		895.00 €

Estimated delivery in United States, on Monday 27 Jan 2025

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Selurampanel

CAS:912574-69-7

Selurampanel (BGG492), an oral AMPA antagonist for epilepsy, migraine, and tinnitus studies.

Formula:

C₁₆H₁₉N₅O₄S

Purity:

98.68% - 99.41%

Color and Shape:

Solid

Molecular weight:

377.42

Ref: TM-T34609

1mg		177.00 €
5mg		420.00 €
10mg		604.00 €
25mg		931.00 €
50mg		1,243.00 €
100mg		1,661.00 €
500mg		3,368.00 €
1mL*10mM (DMSO)		443.00 €

Estimated delivery in United States, on Monday 27 Jan 2025

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TAK-137

CAS:1358749-55-9

TAK-137 is an AMPA receptor enhancer with antidepressant effects. TAK-137 has the ability to improve …

Formula:

C₁₉H₁₆N₂O₃S

Purity:

99.27%

Color and Shape:

Liquid

Molecular weight:

352.41

Ref: TM-T70880

1mg		266.00 €
5mg		654.00 €
10mg		894.00 €
25mg		1,437.00 €
50mg		1,872.00 €

Estimated delivery in United States, on Monday 27 Jan 2025

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SYM 2081

CAS:31137-74-3

SYM 2081: Kainate receptor agonist, IC50 of 35 nM, depolarizes muscle, lowers EPSP amplitude.

Formula:

C₆H₁₁NO₄

Purity:

99.59%

Color and Shape:

Solid

Molecular weight:

161.16

Ref: TM-T16963

1mg		94.00 €
5mg		199.00 €
10mg		292.00 €
25mg		498.00 €
50mg		716.00 €
100mg		1,003.00 €
500mg		2,006.00 €

Estimated delivery in United States, on Monday 27 Jan 2025

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Chlorthalidone impurity J

CAS:956-92-3

Chlorthalidone is a drug product that contains the impurity J. Chlorthalidone is an antihypertensive drug …

Formula:

C₁₄H₁₀ClNO₂

Purity:

Min. 95 Area-%

Color and Shape:

White Off-White Powder

Molecular weight:

259.69 g/mol

Ref: 3D-IC171609

25mg		194.00 €
50mg		310.00 €
100mg		437.00 €
250mg		645.00 €
500mg		865.00 €

Estimated delivery in United States, on Monday 3 Feb 2025

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Testosterone Enanthate Related Compound H CIII (Androst-5-ene-3β,17β-diyl diheptanoate)

Controlled Product

CAS:162890-98-4

Adrenal cortical hormones and their derivatives nesoi

Formula:

C₃₃H₅₄O₄

Color and Shape:

White Solid Powder

Molecular weight:

514.40221

Ref: 45-1648081

Estimated delivery in United States, on Monday 3 Feb 2025

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Acarbose EP Impurity H

CAS:196944-81-7

Acarbose EP Impurity H is an impurity of acarbose, a drug product used in the …

Formula:

C₂₅H₄₃NO₁₇

Purity:

Min. 95%

Molecular weight:

629.61 g/mol

Ref: 3D-IA175982

10mg To inquire

Estimated delivery in United States, on Monday 3 Feb 2025

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Empagliflozin S-furanose

CAS:1620758-32-8

Empagliflozin S-furanose is a Custom synthesis drug product. It is an analytical standard with CAS …

Formula:

C₂₃H₂₇ClO₇

Purity:

Min. 95%

Color and Shape:

Powder

Molecular weight:

450.91 g/mol

Ref: 3D-IE181148

1mg		194.00 €
2mg		310.00 €
5mg		453.00 €
10mg		711.00 €
25mg		1,449.00 €

Estimated delivery in United States, on Monday 3 Feb 2025

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Zopiclone R-Isomer CIV ((-)-(5R)-6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate)

Controlled Product

CAS:138680-08-7

Lactams, nesoi

Formula:

C₁₇H₁₇ClN₆O₃

Color and Shape:

Light Brown Solid

Molecular weight:

388.10507

Ref: 45-1729118

Estimated delivery in United States, on Monday 3 Feb 2025

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Mycophenolate mofetil EP Impurity C

CAS:2286278-51-9

Please enquire for more information about Mycophenolate mofetil EP Impurity C including the price, delivery …

Formula:

C₂₃H₃₁NO₇

Purity:

Min. 95%

Molecular weight:

433.5 g/mol

Ref: 3D-IM183780

1mg		436.00 €
2mg		582.00 €
5mg		1,044.00 €
10mg		1,623.00 €
25mg		3,130.00 €

Estimated delivery in United States, on Monday 3 Feb 2025

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(2S,3R,5S)-5-[(N-Formyl-L-leucyl)oxy]-2-hexyl-3-hydroxyhexadecanoic acid

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(2S,3R,5S)-5-[(N-Formyl-L-leucyl)oxy]-2-hexyl-3-hydroxyhexadecanoic acid

CAS:130793-28-1

Orlistat is a lipase inhibitor that is used as a weight-loss drug. It works by …

Formula:

C₂₉H₅₅NO₆

Purity:

Min. 95%

Molecular weight:

513.75 g/mol

Ref: 3D-IF23585

1mg		472.00 €
2mg		647.00 €
5mg		986.00 €
10mg		1,449.00 €
25mg		2,319.00 €

Estimated delivery in United States, on Monday 3 Feb 2025

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Vildagliptin carboxylic acid methyl ester

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Vildagliptin carboxylic acid methyl ester

CAS:948574-56-9

Please enquire for more information about Vildagliptin carboxylic acid methyl ester including the price, delivery …

Formula:

C₁₈H₂₈N₂O₄

Purity:

Min. 95%

Molecular weight:

336.43 g/mol

Ref: 3D-IV183531

2mg		136.00 €
5mg		172.00 €
10mg		232.00 €
25mg		436.00 €
50mg		646.00 €

Estimated delivery in United States, on Monday 3 Feb 2025

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1-Fluoronaphthalene

CAS:321-38-0

1-Fluoronaphthalene is a polyunsaturated compound that is used in analytical chemistry for the determination of …

Formula:

C₁₀H₇F

Purity:

Min. 95%

Molecular weight:

146.16 g/mol

Ref: 3D-IF23445

1kg		723.00 €
50g		136.00 €
100g		192.00 €
250g		325.00 €
500g		452.00 €

Estimated delivery in United States, on Monday 3 Feb 2025

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Roflumilast Impurity A

CAS:475271-62-6

Roflumilast impurity A is a metabolite of roflumilast. It is a drug product that is …

Formula:

C₁₆H₁₄Cl₂N₂O₃

Purity:

Min. 95%

Molecular weight:

353.2 g/mol

Ref: 3D-IR168438

10mg		310.00 €
25mg		472.00 €
50mg		646.00 €
100mg		986.00 €
250mg		1,275.00 €

Estimated delivery in United States, on Monday 3 Feb 2025

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Emtricitabine impurity 17

CAS:2101981-64-8

Please enquire for more information about Emtricitabine impurity 17 including the price, delivery time and …

Formula:

C₈H₁₀FN₃O₄S

Purity:

Min. 95%

Molecular weight:

263.24 g/mol

Ref: 3D-IE183412

1mg		248.00 €
2mg		364.00 €
5mg		517.00 €
10mg		740.00 €
25mg		1,044.00 €

Estimated delivery in United States, on Monday 3 Feb 2025

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Benzphetamine Related Compound A CIII ((R)-N-Benzyl-N-methyl-1-phenylpropan-2-amine hydrochloride)

Controlled Product

CAS:28646-36-8

Aromatic monoamines not elsewhere specified or included and their derivatives, salts therof

Formula:

C₁₇H₂₁N·HCl

Color and Shape:

White Off-White Powder

Molecular weight:

275.14408

Ref: 45-1059014

Estimated delivery in United States, on Monday 3 Feb 2025

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Amlodipine EP Impurity E maleate

CAS:400024-12-6

Amlodipine EP Impurity E maleate is a high purity and analytical grade chemical. It is …

Formula:

C₂₁H₂₇ClN₂O₅•C₄H₄O₄

Purity:

Min. 95%

Molecular weight:

538.98 g/mol

Ref: 3D-IA182776

25mg		194.00 €
50mg		325.00 €
100mg		453.00 €
250mg		894.00 €
500mg		1,393.00 €

Estimated delivery in United States, on Monday 3 Feb 2025

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Amlodipine EP Impurity F maleate

CAS:400024-11-5

Amlodipine EP Impurity F maleate is an impurity of amlodipine, a drug product. It is …

Formula:

C₁₉H₂₃ClN₂O₅•C₄H₄O₄

Purity:

Min. 95%

Molecular weight:

510.92 g/mol

Ref: 3D-IA182779

1g		3,316.00 €
2g		5,101.00 €
500mg		2,168.00 €

Estimated delivery in United States, on Monday 3 Feb 2025

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Oxymorphone Related Compound A CII (4,5α-Epoxy-3,14-dihydroxy-17-methylmorphinan-6-one N-oxide)

Controlled Product

CAS:71360-37-7

Concentrates of poppy straw; buprenorphine (inn) codeine, dihydrocodeine (inn), ethylmorphine (inn), etorphine (inn), heroin, hydrococdone …

Formula:

C₁₇H₁₉NO₅

Color and Shape:

Off-White Powder

Molecular weight:

317.12632

Ref: 45-1488019

Estimated delivery in United States, on Monday 3 Feb 2025

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