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
6-Defluoro-6-oxo-fluticasone Propionate REF: TR-D228755	- - -	574.00 €~4,467.00 €	Mon 28 Oct 24
Dimethyl Sulfone REF: TR-D479350CAS: 67-71-0	- - -	92.00 €~117.00 €	Mon 28 Oct 24
7b-Fulvestrant REF: TR-F862495CAS: 407577-53-1	- - -	345.00 €~2,460.00 €	Mon 28 Oct 24
Galanthaminone REF: TR-G188550CAS: 510-77-0	- - -	254.00 €~1,607.00 €	Mon 28 Oct 24
5-Amino-4-D-ribitylaminouracil Dihydrochloride (>85%) REF: TR-A629245CAS: 17014-74-3	>85%	368.00 €~2,361.00 €	Mon 28 Oct 24
Balsalazide 3-Isomer REF: TR-B116310CAS: 1242567-09-4	- - -	1,076.00 €~1,775.00 €	Mon 28 Oct 24
N-Methyl Valganciclovir Hydrochloride (Mixture of Diastereomers) REF: TR-M338560CAS: 1401562-16-0 1401661-95-7	- - -	330.00 €~2,171.00 €	Mon 28 Oct 24
(-)-Ecgonine-d3 Hydrochloride REF: TR-E325552CAS: 115144-41-7	- - -	328.00 €~2,049.00 €	Mon 28 Oct 24
Zopiclone N-Oxide REF: TR-Z700510CAS: 43200-96-0	- - -	324.00 €~1,374.00 €	Mon 28 Oct 24
Orotic Acid-15N2 Monohydrate REF: TR-O691504CAS: 1346602-15-0	- - -	308.00 €~1,981.00 €	Mon 28 Oct 24
5-Chloro Hydrochlorothiazide REF: TR-C366550CAS: 5233-42-1	- - -	503.00 €~1,847.00 €	Mon 28 Oct 24
1-Methyl-pyridinium Chloride REF: TR-M328060CAS: 7680-73-1	- - -	175.00 €	Mon 28 Oct 24
Paraxanthine-d3 REF: TR-P192503CAS: 65566-70-3	- - -	396.00 €~2,688.00 €	Mon 28 Oct 24
5-Hydroxyindole-3-acetic Acid-D5 REF: TR-H953609CAS: 81587-11-3	- - -	347.00 €~2,245.00 €	Mon 28 Oct 24
21-O-Acetyl Dexamethasone-d5 REF: TR-A168482CAS: 1177-87-3	- - -	413.00 €~4,255.00 €	Mon 28 Oct 24
7-Amino Nimetazepam-d3 REF: TR-A618302CAS: 1346603-85-7	- - -	260.00 €~1,758.00 €	Mon 28 Oct 24
cis-Tranexamic Acid REF: TR-T714500CAS: 1197-17-7	- - -	268.00 €~1,875.00 €	Mon 28 Oct 24
Didesmethyl Sibutramine Hydrochloride REF: TR-D441170CAS: 84484-78-6	- - -	177.00 €~846.00 €	Mon 28 Oct 24
N-[4-(b-Cyclohexylureidoethyl)benzensulfonyl] N’-Cyclohexylurea REF: TR-C988250CAS: 10079-35-3	- - -	326.00 €~2,136.00 €	Mon 28 Oct 24
Omeprazole Sulfone REF: TR-O635025CAS: 88546-55-8	- - -	198.00 €~742.00 €	Mon 28 Oct 24

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6-Defluoro-6-oxo-fluticasone Propionate

Stability Temperature Sensitive Applications 6-Defluro-6-oxo-fluticasone Propionate is a derivative of Flumethasone (F455000), a glucocorticoid, anti-inflammatory. …

Formula:

C₂₅H₃₀F₂O₆S

Color and Shape:

Off-White

Molecular weight:

496.56

Ref: TR-D228755

1mg		574.00 €
10mg		4,467.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Dimethyl Sulfone

Controlled Product

CAS:67-71-0

Applications Dimethyl Sulfone, (D479350) can be used as as a high-temperature solvent for both inorganic …

Formula:

C₂H₆O₂S

Color and Shape:

White

Molecular weight:

94.13

Ref: TR-D479350

5g		92.00 €
10g		108.00 €
50g		117.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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7b-Fulvestrant

Controlled Product

CAS:407577-53-1

Impurity Fulvestrant EP Impurity A Applications Fulvestrant (F862500) impurity A. The S-isomer of Fulvestrant. References …

Formula:

C₃₂H₄₇F₅O₃S

Color and Shape:

Light Brown Solid

Molecular weight:

606.77

Ref: TR-F862495

1mg		345.00 €
10mg		2,460.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Galanthaminone

CAS:510-77-0

Formula:

C₁₇H₁₉NO₃

Color and Shape:

Neat

Molecular weight:

285.338

Ref: TR-G188550

5mg		254.00 €
10mg		453.00 €
50mg		1,607.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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5-Amino-4-D-ribitylaminouracil Dihydrochloride (>85%)

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5-Amino-4-D-ribitylaminouracil Dihydrochloride (>85%)

Controlled Product

CAS:17014-74-3

Stability Temperature Sensitive Applications 5-Amino-4-D-ribitylaminouracil Dihydrochloride, is an intermediate in the synthesis of Lumazine (L473800) …

Formula:

C₉H₁₆N₄O₆•2HCl

Purity:

>85%

Color and Shape:

Dark Red

Molecular weight:

276.2523646

Ref: TR-A629245

1mg		368.00 €
5mg		1,543.00 €
10mg		2,361.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Balsalazide 3-Isomer

Controlled Product

CAS:1242567-09-4

Impurity Balsalazide USP Impurity 2 Applications An isomeric impurity of the anti-inflammatory drug Balsalazide (B116310). …

Formula:

C₁₇H₁₅N₃O₆

Color and Shape:

Neat

Molecular weight:

357.32

Ref: TR-B116310

5mg		1,076.00 €
10mg		1,775.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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N-Methyl Valganciclovir Hydrochloride (Mixture of Diastereomers)

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N-Methyl Valganciclovir Hydrochloride (Mixture of Diastereomers)

CAS:1401562-16-0 1401661-95-7

Applications N-Methyl Valganciclovir Hydrochloride is an impurity of Valganciclovir (V092000), a pro-drug of Ganciclovir (G235000) …

Formula:

C₁₅H₂₄N₆O₅•xHCl

Color and Shape:

Neat

Molecular weight:

368.393646

Ref: TR-M338560

10mg		330.00 €
100mg		2,171.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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(-)-Ecgonine-d3 Hydrochloride

Controlled Product

CAS:115144-41-7

Stability Hygroscopic Applications Labelled (-)-Ecgonine, a tropane alkaloid which is both a metabolite and a …

Formula:

C₉H₃H₁₂NO₃·ClH

Color and Shape:

Neat

Molecular weight:

224.70

Ref: TR-E325552

1mg		328.00 €
10mg		2,049.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Zopiclone N-Oxide

CAS:43200-96-0

Impurity Zopiclone EP Impurity A Applications Eszopiclone impurity A. References Vire, J.C., et al.: Talanta, …

Formula:

C₁₇H₁₇ClN₆O₄

Color and Shape:

White To Light Brown

Molecular weight:

404.81

Ref: TR-Z700510

5mg		324.00 €
25mg		927.00 €
50mg		1,374.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Orotic Acid-15N2 Monohydrate

CAS:1346602-15-0

Applications Orotic Acid-15N2 Monohydrate is a labelled analogue of Orotic Acid Monohydrate (O691500(P)), which is …

Formula:

CC₄H₄N₂O₄·H₂O

Color and Shape:

Neat

Molecular weight:

177.09

Ref: TR-O691504

25mg		1,981.00 €
2500µg		308.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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5-Chloro Hydrochlorothiazide

Controlled Product

CAS:5233-42-1

Impurity Hydrochlorothiazide 5-Chloro Impurity Applications Hydrochlorothiazide derivative. Diuretic agent. References Mayer, S.E., et al.: J. …

Formula:

C₇H₇Cl₂N₃O₄S₂

Color and Shape:

Off White Solid

Molecular weight:

332.18

Ref: TR-C366550

10mg		503.00 €
25mg		1,087.00 €
50mg		1,847.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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1-Methyl-pyridinium Chloride

CAS:7680-73-1

Applications 1-Methyl-pyridinium Chloride is a degradation product of pralidoxime chloride (P701120) in concentrated acidic solution. …

Formula:

C₆H₈ClN

Color and Shape:

Neat

Molecular weight:

129.59

Ref: TR-M328060

1g 175.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Paraxanthine-d3

Controlled Product

CAS:65566-70-3

Applications Paraxanthine-d3, is the labeled analogue of Paraxanthine (P192500), an adenosine receptor ligand and a …

Formula:

C₇H₃H₅N₄O₂

Color and Shape:

Neat

Molecular weight:

183.18

Ref: TR-P192503

1mg		396.00 €
10mg		2,688.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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5-Hydroxyindole-3-acetic Acid-D5

Controlled Product

CAS:81587-11-3

Applications 5-Hydroxyindole-3-acetic Acid-D5 is a labelled analogue of 5-Hydroxyindole-3-acetic Acid (H953605). 5-Hydroxyindole-3-acetic Acid is an …

Formula:

C₁₀H₅H₄NO₃

Color and Shape:

White To Beige

Molecular weight:

196.21

Ref: TR-H953609

25mg		2,245.00 €
2500µg		347.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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21-O-Acetyl Dexamethasone-d5

Controlled Product

CAS:1177-87-3

Applications Isotope labelled intermediate in the synthesis of Dexamethasone (D298800), a glucocorticoid anti-inflammatory agent. References …

Formula:

C₂₄D₅H₂₆FO₆

Color and Shape:

Neat

Molecular weight:

439.53

Ref: TR-A168482

1mg		413.00 €
5mg		1,179.00 €
25mg		4,255.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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7-Amino Nimetazepam-d3

Controlled Product

CAS:1346603-85-7

Applications A labelled metabolite of Nimetazepam (N477800). Controlled substance. References Nishikawa, M., et al.: Forensic …

Formula:

C₁₆H₁₂D₃N₃O

Color and Shape:

Light Yellow

Molecular weight:

268.33

Ref: TR-A618302

1mg		260.00 €
10mg		1,758.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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cis-Tranexamic Acid

Controlled Product

CAS:1197-17-7

Formula:

C₈H₁₅NO₂

Color and Shape:

White To Light Beige

Molecular weight:

157.21

Ref: TR-T714500

10mg		268.00 €
100mg		1,875.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Didesmethyl Sibutramine Hydrochloride

CAS:84484-78-6

Stability Hygroscopic Applications A metabolite of Sibutramine, a serotonin and noradrenaline reuptake inhibitor (SNR). Decreases …

Formula:

C₁₅H₂₃Cl₂N

Color and Shape:

Neat

Molecular weight:

288.26

Ref: TR-D441170

5mg		177.00 €
10mg		216.00 €
50mg		846.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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N-[4-(b-Cyclohexylureidoethyl)benzensulfonyl] N’-Cyclohexylurea

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N-[4-(b-Cyclohexylureidoethyl)benzensulfonyl] N’-Cyclohexylurea

CAS:10079-35-3

Impurity Glipizide EP Impurity I Applications N-[4-(β-Cyclohexylureidoethyl)benzensulfonyl] N’-Cyclohexylurea (Glipizide EP Impurity I) is a Glipizide …

Formula:

C₂₂H₃₄N₄O₄S

Color and Shape:

Neat

Molecular weight:

450.59