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
Betamethasone Acid REF: TR-B327125CAS: 37926-75-3	- - -	315.00 €~2,041.00 €	Fri 13 Dec 24
Betamethasone 21-Valerate REF: TR-B327080CAS: 2240-28-0	- - -	270.00 €~1,759.00 €	Fri 13 Dec 24
16a-Butyloxyprednisolone(Budenoside Impurity) REF: TR-B693880CAS: 113930-13-5	- - -	308.00 €~2,019.00 €	Fri 13 Dec 24
rac Ketoprofen Amide REF: TR-K200825CAS: 59512-16-2	- - -	308.00 €~2,024.00 €	Fri 13 Dec 24
(S)-Isotimolol REF: TR-I918000CAS: 158636-96-5	- - -	361.00 €~2,464.00 €	Fri 13 Dec 24
Nor-Flunitrazepam REF: TR-N681050CAS: 2558-30-7	- - -	245.00 €~1,639.00 €	Fri 13 Dec 24
Dimethylaminomethylfurylmethylthioethyl Ranitidine REF: TR-D460980CAS: 72126-78-4	- - -	240.00 €~1,598.00 €	Fri 13 Dec 24
O-Acetyl Lacosamide REF: TR-A179900CAS: 1318777-54-6	- - -	367.00 €~2,464.00 €	Fri 13 Dec 24
Sulfitocobalamin Sodium Salt REF: TR-S699360CAS: 15671-27-9	- - -	405.00 €~2,720.00 €	Fri 13 Dec 24
N-Trityl Candesartan REF: TR-T887205CAS: 894806-43-0	- - -	255.00 €~1,710.00 €	Fri 13 Dec 24
rac Ketoroloc Tris Amide Impurity REF: TR-K235640CAS: 167105-80-8	- - -	180.00 €~1,401.00 €	Fri 13 Dec 24
1,1'-Sulfonylbis[2-(methylthio)ethane] REF: TR-S699475CAS: 137371-98-3	- - -	255.00 €~2,893.00 €	Fri 13 Dec 24
N-(2-Succinyl) Phenylephrine(Mixture of Diastereomers) ( >85%) REF: TR-S688850CAS: 915278-80-7	>85%	422.00 €~3,322.00 €	Fri 13 Dec 24
Desfluoro Fluvoxketone REF: TR-D289925CAS: 1391053-78-3	- - -	324.00 €~2,144.00 €	Fri 13 Dec 24
Desoxymetasone 21-Acetate REF: TR-D296985CAS: 1597-78-0	- - -	194.00 €~1,639.00 €	Fri 13 Dec 24
rac Benzyl Phenylephrine(Phenylephrine Impurity D) REF: TR-B288630CAS: 1159977-09-9	- - -	335.00 €~2,139.00 €	Fri 13 Dec 24
Thebainone REF: TR-T342500CAS: 467-98-1	- - -	219.00 €~1,576.00 €	Fri 13 Dec 24
Clobetasol Propionate Impurity E REF: TR-C583505	- - -	470.00 €~3,379.00 €	Fri 13 Dec 24
Thyroxine Ethyl Ester REF: TR-T425620CAS: 76353-71-4	- - -	315.00 €~2,115.00 €	Fri 13 Dec 24
Daidzein 4’-Sulfate Disodium Salt REF: TR-D103520CAS: 162935-26-4	- - -	268.00 €~1,783.00 €	Fri 13 Dec 24

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Betamethasone Acid

Controlled Product

CAS:37926-75-3

Applications Betamethasone Acid is a derivative of Betamethasone (B327000), a gluccocorticoid used as an anti-inflammatory …

Formula:

C₂₁H₂₇FO₅

Color and Shape:

Neat

Molecular weight:

378.43

Ref: TR-B327125

50mg		315.00 €
500mg		2,041.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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Betamethasone 21-Valerate

CAS:2240-28-0

Impurity Betamethasone Valerate EP Impurity E Applications Betamethasone 21-Valerate (Betamethasone Valerate EP Impurity E) is …

Formula:

C₂₇H₃₇FO₆

Color and Shape:

White

Molecular weight:

476.58

Ref: TR-B327080

25mg		270.00 €
250mg		1,759.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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16a-Butyloxyprednisolone(Budenoside Impurity)

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16a-Butyloxyprednisolone(Budenoside Impurity)

Controlled Product

CAS:113930-13-5

Impurity Budesonide EP Impurity I Applications 16α-Butyloxyprednisolone (Budesonide EP Impurity I) is an impurity of …

Formula:

C₂₅H₃₄O₇

Color and Shape:

Neat

Molecular weight:

446.53

Ref: TR-B693880

10mg		308.00 €
100mg		2,019.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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rac Ketoprofen Amide

Controlled Product

CAS:59512-16-2

Applications An amide of Ketoprofen (K200800) with anti-inflammatory properties. References Spickett, R.G.W. et al.: Eur. …

Formula:

C₁₆H₁₅NO₂

Color and Shape:

White

Molecular weight:

253.30

Ref: TR-K200825

250mg		308.00 €
2500mg		2,024.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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(S)-Isotimolol

Controlled Product

CAS:158636-96-5

Applications An isomer of the antiarrhythmic, antiglaucoma agent Timolol (T443700). References Marini, R.D. et al.: …

Formula:

C₁₃H₂₄N₄O₃S

Color and Shape:

White

Molecular weight:

316.42

Ref: TR-I918000

10mg		361.00 €
100mg		2,464.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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Nor-Flunitrazepam

Controlled Product

CAS:2558-30-7

Applications A metabolite of Flunitrazepam (F500700). References Asai, H., et al.: J. Pharmacol. Exp. Ther., …

Formula:

C₁₅H₁₀FN₃O₃

Color and Shape:

Yellow

Molecular weight:

299.26

Ref: TR-N681050

10mg		245.00 €
100mg		1,639.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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Dimethylaminomethylfurylmethylthioethyl Ranitidine

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Dimethylaminomethylfurylmethylthioethyl Ranitidine

Controlled Product

CAS:72126-78-4

Impurity Ranitidine EP impurity A Applications Dimethylaminomethylfurylmethylthioethyl Ranitidine (Ranitidine EP impurity A) is a Ranitidine …

Formula:

C₂₂H₃₅N₅O₄S₂

Color and Shape:

Neat

Molecular weight:

497.67

Ref: TR-D460980

10mg		240.00 €
100mg		1,598.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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O-Acetyl Lacosamide

Controlled Product

CAS:1318777-54-6

Stability Hygroscopic Applications O-Acetyl Lacosamide is an impurity of Lacosamide (L098500) which is a potent …

Formula:

C₁₄H₁₈N₂O₄

Color and Shape:

Neat

Molecular weight:

278.3037

Ref: TR-A179900

10mg		367.00 €
100mg		2,464.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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Sulfitocobalamin Sodium Salt

CAS:15671-27-9

Applications Sulfitocobalamin Sodium Salt is a useful synthetic intermediate in the synthesis of Hydroxocobalamin Acetate …

Formula:

C₆₂H₈₈CoN₁₃NaO₁₇PS

Color and Shape:

Neat

Molecular weight:

1432.4

Ref: TR-S699360

10mg		405.00 €
100mg		2,720.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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N-Trityl Candesartan

Controlled Product

CAS:894806-43-0

Applications Candesartan analog as angiotensin II antagonist. References Bakshi, M., et al.: J. Pharm. Biomed. …

Formula:

C₄₃H₃₄N₆O₃

Color and Shape:

Neat

Molecular weight:

682.77

Ref: TR-T887205

10mg		255.00 €
100mg		1,710.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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rac Ketoroloc Tris Amide Impurity

Controlled Product

CAS:167105-80-8

Impurity Ketorolac EP Impurity E; Ketorolac USP Related Compound A Applications rac Ketoroloc Tris Amide …

Formula:

C₁₉H₂₂N₂O₅

Color and Shape:

White

Molecular weight:

358.39

Ref: TR-K235640

1g		1,401.00 €
50mg		180.00 €
250mg		348.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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1,1'-Sulfonylbis[2-(methylthio)ethane]

Controlled Product

CAS:137371-98-3

Formula:

C₆H₁₄O₂S₃

Color and Shape:

Off-White To Light Yellow

Molecular weight:

214.37

Ref: TR-S699475

1g		2,893.00 €
50mg		255.00 €
250mg		907.00 €

Estimated delivery in United States, on Friday 13 Dec 2024

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N-(2-Succinyl) Phenylephrine(Mixture of Diastereomers) ( >85%)

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N-(2-Succinyl) Phenylephrine(Mixture of Diastereomers) ( >85%)

CAS:915278-80-7

Impurity N-(2-Succinyl) Phenylephrine Impurity Applications The major degradation product identified in Acetaminophen, Phenylephrine hydrochloride, and …

Formula:

C₁₃H₁₇NO₆

Purity:

>85%

Color and Shape:

Neat

Molecular weight:

283.28