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
rac threo-Dihydro Bupropion-d9 REF: TR-D448677CAS: 1217815-08-1	- - -	373.00 €~2,494.00 €	Mon 28 Oct 24
Chlorodenafil REF: TR-C365535CAS: 1058653-74-9	- - -	356.00 €~2,462.00 €	Mon 28 Oct 24
5-Hydroxyindole-3-acetic Acid-13C3 REF: TR-H953604CAS: 51-16-0	- - -	368.00 €~2,534.00 €	Mon 28 Oct 24
Isopropyl Benzenesulfonate REF: TR-I824350CAS: 6214-18-2	- - -	233.00 €~1,617.00 €	Mon 28 Oct 24
Glutathione (glycine-13C2,15N) Sodium Salt REF: TR-G597952CAS: 815610-65-2	- - -	328.00 €~2,073.00 €	Mon 28 Oct 24
Diclofenac Ethyl Ester REF: TR-D436495CAS: 15307-77-4	- - -	207.00 €~690.00 €	Mon 28 Oct 24
2-Cyclopentyl-2-hydroxy-2-phenylacetic Acid REF: TR-C989315CAS: 427-49-6	- - -	116.00 €~173.00 €	Mon 28 Oct 24
Gemcitabine Monophosphate REF: TR-G305005CAS: 116371-67-6	- - -	215.00 €~1,591.00 €	Mon 28 Oct 24
Amoxicillin Dimer Sodium Salt REF: TR-A634510CAS: 34642-77-8	>90%	357.00 €~2,459.00 €	Mon 28 Oct 24
2-(1-Piperazinyl)pyrimidine REF: TR-P481300CAS: 20980-22-7	- - -	91.00 €	Mon 28 Oct 24
Ethyl Ropinirole REF: TR-E818200CAS: 1797132-03-6	- - -	331.00 €~2,132.00 €	Mon 28 Oct 24
3-Methyl-4-nitroimino-tetrahydro-1,3,5-oxadiazine REF: TR-M323850CAS: 153719-38-1	- - -	137.00 €~269.00 €	Mon 28 Oct 24
17b-Estradiol-d3 17-Acetate 3-b-D-Glucuronide REF: TR-E888027	- - -	259.00 €~1,756.00 €	Mon 28 Oct 24
D,L-N,N-Didesmethyl-O-desmethyl Venlafaxine REF: TR-D440945CAS: 149289-29-2	- - -	275.00 €~1,851.00 €	Mon 28 Oct 24
5-Hydroxy Rosiglitazone-d4 REF: TR-H953442CAS: 1246817-46-8	- - -	648.00 €~4,584.00 €	Mon 28 Oct 24
3-Chloro Cathinone Hydrochloride REF: TR-C365160CAS: 2227990-16-9	- - -	315.00 €~2,110.00 €	Mon 28 Oct 24
Dapsone Hydroxylamine REF: TR-D193260CAS: 32695-27-5	- - -	200.00 €~1,856.00 €	Mon 28 Oct 24
4’-Hydroxy Toremifene(~8% E isomer) REF: TR-H954510CAS: 352233-94-4	- - -	374.00 €~2,501.00 €	Mon 28 Oct 24
Amoxicillin Trimer Sodium Salt (>80%) REF: TR-A634505CAS: 174391-69-6 94703-34-1	>80%	288.00 €~1,968.00 €	Mon 28 Oct 24
Hexahydrocurcumin-d6 REF: TR-H281277CAS: 36062-05-2	- - -	347.00 €~1,705.00 €	Mon 28 Oct 24

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rac threo-Dihydro Bupropion-d9

Controlled Product

CAS:1217815-08-1

Applications A labelled metabolite of the drug Bupropion (B689625). References Hsyu, P-H., et al.: J. …

Formula:

C₁₃H₁₁D₉ClNO

Color and Shape:

Off White Solid

Molecular weight:

250.81

Ref: TR-D448677

1mg		373.00 €
10mg		2,494.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Chlorodenafil

Controlled Product

CAS:1058653-74-9

Applications Chlorodenafil is a related compound of Sildenafil (S435000) as phosphodiesterase inhibitor. References Childress, S., …

Formula:

C₁₉H₂₁ClN₄O₃

Color and Shape:

Off White Solid

Molecular weight:

388.85

Ref: TR-C365535

250mg		356.00 €
2500mg		2,462.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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5-Hydroxyindole-3-acetic Acid-13C3

Controlled Product

CAS:51-16-0

Stability Light and Air Sensitive Applications 5-Hydroxyindole-3-acetic Acid-13C3 is an isotope labelled analog of 5-hydroxyindole-3-acetic …

Formula:

C₇₁₃C₃H₉NO₃

Color and Shape:

Neat

Molecular weight:

194.16

Ref: TR-H953604

5mg		2,534.00 €
500µg		368.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Isopropyl Benzenesulfonate

CAS:6214-18-2

Applications A sulfonate ester as potential genotoxic impurity in drug substances. It may exert genotoxic …

Formula:

C₉H₁₂O₃S

Color and Shape:

Colourless

Molecular weight:

200.25

Ref: TR-I824350

10mg		233.00 €
25mg		453.00 €
100mg		1,617.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Glutathione (glycine-13C2,15N) Sodium Salt

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Glutathione (glycine-13C2,15N) Sodium Salt

CAS:815610-65-2

Applications Glutathione-glycine-13C2,15N Disodium Salt, is the labelled disodium salt derivative of Glutathione (G597951), a tripeptide …

Formula:

C₈₁₃C₂H₁₇N₂₁₅NO₆S•xNa

Color and Shape:

Neat

Molecular weight:

310.302299

Ref: TR-G597952

1mg		328.00 €
10mg		2,073.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Diclofenac Ethyl Ester

Controlled Product

CAS:15307-77-4

Impurity Aceclofenac EP Impurity C Applications A Diclofenac derivative as anti-inflammatory and analgesic agent. Aceclofenac …

Formula:

C₁₆H₁₅Cl₂NO₂

Color and Shape:

Neat

Molecular weight:

324.20

Ref: TR-D436495

50mg		207.00 €
100mg		303.00 €
250mg		690.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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2-Cyclopentyl-2-hydroxy-2-phenylacetic Acid

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2-Cyclopentyl-2-hydroxy-2-phenylacetic Acid

CAS:427-49-6

Applications 2-Cyclopentyl-2-hydroxy-2-phenylacetic Acid is an impurity of Glycopyrrolate (G657000), a novel pharmaceutical compound based on …

Formula:

C₁₃H₁₆O₃

Color and Shape:

Off White To Light Brown

Molecular weight:

220.26

Ref: TR-C989315

1g		116.00 €
5g		173.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Gemcitabine Monophosphate

CAS:116371-67-6

Applications Gemcitabine Monophosphate is a gemcitabine derivative. It is an antineoplastic agent. References Balzarini, J., …

Formula:

C₉H₁₂F₂N₃O₇P

Color and Shape:

White To Off-White

Molecular weight:

343.18

Ref: TR-G305005

1mg		215.00 €
5mg		562.00 €
25mg		1,591.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Amoxicillin Dimer Sodium Salt

CAS:34642-77-8

Impurity Amoxicillin EP Impurity J Applications Amoxicillin Dimer Sodium Salt is an impurity of Amoxicillin …

Formula:

C₃₂H₃₈N₆O₁₀S₂(xNa)

Purity:

>90%

Color and Shape:

Neat

Molecular weight:

730.81 (free acid)

Ref: TR-A634510

1mg		357.00 €
5mg		1,519.00 €
10mg		2,459.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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2-(1-Piperazinyl)pyrimidine

CAS:20980-22-7

Impurity Buspirone EP Impurity A Applications 2-(1-Piperazinyl)pyrimidine (Buspirone EP Impurity A) is the major metabolite …

Formula:

C₈H₁₂N₄

Color and Shape:

Neat

Molecular weight:

164.21

Ref: TR-P481300

1g 91.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Ethyl Ropinirole

CAS:1797132-03-6

Applications Ethyl Ropinirole is an impurity of Ropinirole (R641000), a selective dopamine D2-receptor agonist and …

Formula:

C₁₈H₂₈N₂O

Color and Shape:

Neat

Molecular weight:

288.43

Ref: TR-E818200

25mg		2,132.00 €
2500µg		331.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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3-Methyl-4-nitroimino-tetrahydro-1,3,5-oxadiazine

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3-Methyl-4-nitroimino-tetrahydro-1,3,5-oxadiazine

CAS:153719-38-1

Stability Light Sensitive Applications 3-Methyl-4-nitroimino-tetrahydro-1,3,5-oxadiazine is a useful synthetic intermediate in the synthesis of Thiamethoxam …

Formula:

C₄H₈N₄O₃

Color and Shape:

Neat

Molecular weight:

160.13

Ref: TR-M323850

1g		194.00 €
5g		269.00 €
250mg		137.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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17b-Estradiol-d3 17-Acetate 3-b-D-Glucuronide

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17b-Estradiol-d3 17-Acetate 3-b-D-Glucuronide

Controlled Product

Applications A labelled Estradiol (E888000) derivative.

Formula:

C₂₆H₃₁D₃O₉

Color and Shape:

Neat

Molecular weight:

493.56

Ref: TR-E888027

5mg		1,756.00 €
500µg		259.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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D,L-N,N-Didesmethyl-O-desmethyl Venlafaxine

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D,L-N,N-Didesmethyl-O-desmethyl Venlafaxine

CAS:149289-29-2

Applications D,L-N,N-Didesmethyl-O-desmethyl Venlafaxine is a metabolite of Venlafaxine (V120000), a selective serotonin noradrenaline reuptake inhibitor. …

Formula:

C₁₄H₂₁NO₂

Color and Shape:

Neat

Molecular weight:

235.32