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
Glycinexylidide-d6 Hydrochloride REF: TR-G625292CAS: 1217098-46-8 18865-38-8	- - -	310.00 €~1,995.00 €	Mon 28 Oct 24
Glycodeoxycholic Acid-3-O-b-glucuronide Disodium Salt REF: TR-G641405CAS: 75672-36-5	- - -	343.00 €~1,868.00 €	Mon 28 Oct 24
3,4-Dehydro Cilostazol-d11 REF: TR-D229502CAS: 1073608-13-5	- - -	313.00 €~1,991.00 €	Mon 28 Oct 24
Glycoursodeoxycholic Acid-d5 REF: TR-G679552CAS: 64480-66-6	- - -	353.00 €~2,251.00 €	Mon 28 Oct 24
10-Hydroxy Oxycodone REF: TR-H951160CAS: 96453-12-2	- - -	269.00 €~1,787.00 €	Mon 28 Oct 24
3-Dehydroxy 2,3-Dehydro Atorvastatin Lactone REF: TR-D229270CAS: 442851-50-5	- - -	259.00 €~1,754.00 €	Mon 28 Oct 24
(R)-Tamsulosin-d4 Hydrochloride REF: TR-T006354CAS: 106463-17-6	- - -	310.00 €~2,000.00 €	Mon 28 Oct 24
21-Dehydro Budesonide REF: TR-D229305CAS: 85234-63-5	- - -	348.00 €~1,491.00 €	Mon 28 Oct 24
1,2-Dihydrobudesonide (Mixture of diastereomers) REF: TR-D229330CAS: 137174-25-5	- - -	319.00 €~2,109.00 €	Mon 28 Oct 24
Tamoxifen Dimer REF: TR-T006100CAS: 1346606-51-6	- - -	328.00 €~2,043.00 €	Mon 28 Oct 24
1',2'-Dehydro Dicyclomine (~90%) REF: TR-D229530CAS: 109158-77-2	~90%	213.00 €~3,120.00 €	Mon 28 Oct 24
Tamoxifen N-Oxide REF: TR-T006095CAS: 75504-34-6	- - -	98.00 €~1,078.00 €	Mon 28 Oct 24
Hydroxy-2-phenylpropyl Carbamate REF: TR-H951245CAS: 25451-53-0	- - -	228.00 €~2,604.00 €	Mon 28 Oct 24
D-p-Hydroxyphenylglycinamide (>85%) REF: TR-H951320CAS: 54397-23-8	>85%	227.00 €	Mon 28 Oct 24
Dehydro Aripiprazole REF: TR-D229155CAS: 129722-25-4	- - -	344.00 €~2,679.00 €	Mon 28 Oct 24
ent-Tadalafil REF: TR-T004505CAS: 629652-72-8	- - -	454.00 €~1,650.00 €	Mon 28 Oct 24
21-Dehydro Dexamethasone Hydrate REF: TR-D229390CAS: 2964-79-6	- - -	101.00 €~236.00 €	Mon 28 Oct 24
cis-ent-Tadalafil REF: TR-T004530CAS: 171596-28-4	- - -	502.00 €~1,824.00 €	Mon 28 Oct 24
21-Dehydro Flunisolide REF: TR-D229430CAS: 1188271-69-3	- - -	197.00 €~1,449.00 €	Mon 28 Oct 24
Dehydro Amlodipine REF: TR-D229215CAS: 113994-41-5	- - -	353.00 €~2,251.00 €	Mon 28 Oct 24

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Glycinexylidide-d6 Hydrochloride

Controlled Product

CAS:1217098-46-8 18865-38-8

Applications: Labelled Lidocaine (L397800) metabolite. References De Martin, S., et al.: Clin. Pharmacol. Ther., 80, …

Formula:

C₁₀H₈D₆N₂O•HCl

Color and Shape:

Neat

Molecular weight:

184.273646

Ref: TR-G625292

25mg		1,995.00 €
2500µg		310.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Glycodeoxycholic Acid-3-O-b-glucuronide Disodium Salt

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Glycodeoxycholic Acid-3-O-b-glucuronide Disodium Salt

Controlled Product

CAS:75672-36-5

Formula:

C₃₂H₄₉NNa₂O₁₁

Color and Shape:

Neat

Molecular weight:

669.71

Ref: TR-G641405

1mg		343.00 €
5mg		1,200.00 €
10mg		1,868.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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3,4-Dehydro Cilostazol-d11

Controlled Product

CAS:1073608-13-5

Applications A labelled metabolite of Cilostazol.

Formula:

C₂₀H₁₄D₁₁N₅O₂

Color and Shape:

Neat

Molecular weight:

378.51

Ref: TR-D229502

1mg		313.00 €
10mg		1,991.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Glycoursodeoxycholic Acid-d5

Controlled Product

CAS:64480-66-6

Applications Stable labelled metabolite of Ursodeoxycholic Acid, which is used as an anticholelithogenic.

Formula:

C₂₆H₃₈D₅NO₅

Color and Shape:

Off-White

Molecular weight:

454.65

Ref: TR-G679552

1mg		353.00 €
10mg		2,251.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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10-Hydroxy Oxycodone

Controlled Product

CAS:96453-12-2

Applications 10-Hydroxyoxycodone is the 10-hydroxy analogue and impurity of Oxycodone (O870600).

Formula:

C₁₈H₂₁NO₅

Color and Shape:

Neat

Molecular weight:

331.36

Ref: TR-H951160

25mg		1,787.00 €
2500µg		269.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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3-Dehydroxy 2,3-Dehydro Atorvastatin Lactone

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3-Dehydroxy 2,3-Dehydro Atorvastatin Lactone

Controlled Product

CAS:442851-50-5

Applications 3-Dehydroxy 2,3-Dehydro Atorvastatin Lactone is an intermediate in the preparation of Atorvastatin (A791750) and …

Formula:

C₃₃H₃₁FN₂O₃

Color and Shape:

Neat

Molecular weight:

522.61

Ref: TR-D229270

10mg		259.00 €
100mg		1,754.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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(R)-Tamsulosin-d4 Hydrochloride

Controlled Product

CAS:106463-17-6

Applications (R)-Tamsulosin-d4 Hydrochloride is the labeled analogue of (R)-Tamsulosin Hydrochloride (T006350), a specific α1-adrenoceptor antagonist. …

Formula:

C₂₀H₂₅D₄ClN₂O₅S

Color and Shape:

Neat

Molecular weight:

449.0

Ref: TR-T006354

25mg		2,000.00 €
2500µg		310.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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21-Dehydro Budesonide

Controlled Product

CAS:85234-63-5

Impurity Budesonide EP Impurity D Stability Hygroscopic Applications 21-Dehydro Budesonide (Budesonide EP Impurity D) is …

Formula:

C₂₅H₃₂O₆

Color and Shape:

Off-White To Light Yellow

Molecular weight:

428.52

Ref: TR-D229305

10mg		348.00 €
25mg		828.00 €
50mg		1,491.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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1,2-Dihydrobudesonide (Mixture of diastereomers)

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1,2-Dihydrobudesonide (Mixture of diastereomers)

Controlled Product

CAS:137174-25-5

Impurity Budesonide EP Impurity G Applications 1,2-Dehydrobudesonide (Budesonide EP Impurity G) is an impurity in …

Formula:

C₂₅H₃₆O₆

Color and Shape:

Neat

Molecular weight:

432.55

Ref: TR-D229330

25mg		319.00 €
250mg		2,109.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Tamoxifen Dimer

CAS:1346606-51-6

Stability: Light and temperature sensitive Applications: Tamoxifen (T006000) impurity.

Formula:

C₄₉H₄₉NO₂

Color and Shape:

Neat

Molecular weight:

683.92

Ref: TR-T006100

5mg		328.00 €
50mg		2,043.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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1',2'-Dehydro Dicyclomine (~90%)

CAS:109158-77-2

Formula:

C₁₉H₃₃NO₂

Purity:

~90%

Color and Shape:

Neat

Molecular weight:

307.47

Ref: TR-D229530

10mg		213.00 €
50mg		776.00 €
250mg		3,120.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Tamoxifen N-Oxide

Controlled Product

CAS:75504-34-6

Applications A metabolite of Tamoxifen (T006000), a nonsteroidal estrogen antagonist of interest in the treatment …

Formula:

C₂₆H₂₉NO₂

Color and Shape:

Neat

Molecular weight:

387.51

Ref: TR-T006095

1mg		98.00 €
5mg		139.00 €
50mg		1,078.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Hydroxy-2-phenylpropyl Carbamate

Controlled Product

CAS:25451-53-0

Applications Hydroxy-2-phenylpropyl Carbamate is an impurity in the synthesis of Felbamate (F231000), an antiepileptic, structurally …

Formula:

C₁₀H₁₃NO₃

Color and Shape:

Neat

Molecular weight:

195.22

Ref: TR-H951245

5mg		228.00 €
25mg		899.00 €
100mg		2,604.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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D-p-Hydroxyphenylglycinamide (>85%)

CAS:54397-23-8

Applications D-p-Hydroxyphenylglycinamide is an activated side chain precursor and is an intermediate in the synthesis …

Formula:

C₈H₁₀N₂O₂

Purity:

>85%

Color and Shape:

Neat

Molecular weight:

166.18

Ref: TR-H951320

25mg 227.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Dehydro Aripiprazole

Controlled Product

CAS:129722-25-4

Impurity Aripiprazole EP Impurity E; Aripiprazole USP Related Compound G Applications Dehydro Aripiprazole (Aripiprazole EP …

Formula:

C₂₃H₂₅Cl₂N₃O₂

Color and Shape:

Off-White

Molecular weight:

446.37

Ref: TR-D229155

5mg		344.00 €
25mg		968.00 €
100mg		2,679.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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ent-Tadalafil

Controlled Product

CAS:629652-72-8

Impurity Tadalafil EP Impurity B Applications Tadalafil (T004500) analog. Tadalafil Impurity (6S,12aS) References Daugan, A., …

Formula:

C₂₂H₁₉N₃O₄

Color and Shape:

Neat

Molecular weight:

389.40

Ref: TR-T004505

5mg		454.00 €
10mg		841.00 €
25mg		1,650.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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21-Dehydro Dexamethasone Hydrate

CAS:2964-79-6

Formula:

C₂₂H₂₇FO₅·H₂O

Color and Shape:

White To Light Yellow

Molecular weight:

408.46

Ref: TR-D229390

25mg		101.00 €
50mg		177.00 €
100mg		236.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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cis-ent-Tadalafil

Controlled Product

CAS:171596-28-4

Impurity Tadalafil EP Impurity C Applications The (6S)-cis-enantiomer of Tadalafil (T004500). Tadalafil Impurity (6S,12aR) References …

Formula:

C₂₂H₁₉N₃O₄

Color and Shape:

White To Off-White

Molecular weight:

389.40

Ref: TR-T004530

5mg		502.00 €
10mg		1,004.00 €
25mg		1,824.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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21-Dehydro Flunisolide

Controlled Product

CAS:1188271-69-3

Applications 21-Dehydro Flunisolide is an impurity of the antiasthmatic drug Flunisolide (F500485). Not a dangerous …

Formula:

C₂₄H₂₉FO₆

Color and Shape:

Light Yellow

Molecular weight:

432.48

Ref: TR-D229430

10mg		197.00 €
100mg		1,449.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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Dehydro Amlodipine

Controlled Product

CAS:113994-41-5

Impurity Amlodipine Besylate EP Impurity D/USP Amlodipine Related Compound A Applications Dehydro Amlodipine (Amlodipine Besylate …

Formula:

C₂₀H₂₃ClN₂O₅

Color and Shape:

Colourless To Light Yellow

Molecular weight:

406.86

Ref: TR-D229215

10mg		353.00 €
100mg		2,251.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

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