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.

20
- 50
- 100
- 200

products per page. 6617 products on this category.

Product data	Purity	Price range	Estimated delivery
1,8-Dihydroxyanthraquinone REF: TR-D450150CAS: 117-10-2	- - -	94.00 €~112.00 €	Mon 28 Oct 24
2-[4-(2-Methylpropenyl)phenyl]propionic Acid REF: TR-M325929CAS: 75625-99-9	- - -	264.00 €~949.00 €	Mon 28 Oct 24
Triethyl Phosphate-d15 REF: TR-T776952CAS: 135942-11-9	- - -	236.00 €~754.00 €	Mon 28 Oct 24
Defluoro Levofloxacin REF: TR-D229020CAS: 117620-85-6	- - -	271.00 €~1,877.00 €	Mon 28 Oct 24
3-Amino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone(Clonazepam Impurity) REF: TR-A603590CAS: 55198-89-5	- - -	222.00 €~1,527.00 €	Mon 28 Oct 24
2-Methylbenzophenone REF: TR-M289795CAS: 131-58-8	- - -	89.00 €	Mon 28 Oct 24
8-Amino-7-oxopelargonic Acid Hydrochloride REF: TR-A618750CAS: 177408-65-0	- - -	109.00 €~176.00 €	Mon 28 Oct 24
Hemiacetorphan REF: TR-H235105CAS: 124735-06-4	- - -	296.00 €~1,984.00 €	Mon 28 Oct 24
5-Methoxy-N,N-diisopropyltryptamine Hydrochloride REF: TR-M262470CAS: 2426-63-3	- - -	121.00 €~828.00 €	Mon 28 Oct 24
Pseudohydromorphone REF: TR-P839560CAS: 2139240-60-9	- - -	330.00 €~2,170.00 €	Mon 28 Oct 24
6,7-Dihydrocanrenone REF: TR-D448720CAS: 976-70-5	- - -	308.00 €~1,989.00 €	Mon 28 Oct 24
Benzoyl Ecgonine-d3 REF: TR-B208127CAS: 115732-68-8	- - -	269.00 €~1,761.00 €	Mon 28 Oct 24
Enalaprilat-d5 Sodium Salt (Contains up to 10% inorganics) REF: TR-E555377CAS: 1356922-29-6	- - -	353.00 €~2,342.00 €	Mon 28 Oct 24
[6R-[6a,7b(R*)]]-7-[(Aminophenylacetyl)amino]-3-methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic Acid REF: TR-A622260CAS: 67308-21-8	- - -	357.00 €~2,429.00 €	Mon 28 Oct 24
6-Chloro-3-(propan-2-yl)-1,2,3,4-tetrahydropyrimidine-2,4-dione REF: TR-B428180CAS: 887581-47-7	- - -	135.00 €~986.00 €	Mon 28 Oct 24
Oripavine REF: TR-O675000CAS: 467-04-9	- - -	123.00 €~707.00 €	Mon 28 Oct 24
10-Deacetyl-1,7,10,13-tetramethyl Baccatin III REF: TR-D198220	>90%	283.00 €~1,936.00 €	Mon 28 Oct 24
2-[[(Guanidino)(imino)methyl]sulfanyl]ethanesulfonic Acid REF: TR-G835250CAS: 1391053-66-9	- - -	102.00 €~2,084.00 €	Mon 28 Oct 24
D-Glucose 6-Phosphate-13C6 Sodium Salt Hydrate REF: TR-G596808CAS: 3671-99-6	- - -	96.00 €~478.00 €	Mon 28 Oct 24
2-[[3-[2-(Dimethylamino)ethyl]-1H-indol-5-yl]methyl] Sumatriptan REF: TR-D446670CAS: 545338-89-4	- - -	225.00 €~3,242.00 €	Mon 28 Oct 24

+ info

1,8-Dihydroxyanthraquinone

CAS:117-10-2

Applications Used as a stimulant laxative, though due to its carcinogenic properties, is not widely …

Formula:

C₁₄H₈O₄

Color and Shape:

Dark Orange

Molecular weight:

240.21

Ref: TR-D450150

1g		94.00 €
10g		97.00 €
100g		112.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

2-[4-(2-Methylpropenyl)phenyl]propionic Acid

+ info

2-[4-(2-Methylpropenyl)phenyl]propionic Acid

CAS:75625-99-9

Applications 2-[4-(2-Methylpropenyl)phenyl]propionic Acid is a byproduct of Ibuprofen (I140000(P)), which is an anti-inflammatory drug. References …

Formula:

C₁₃H₁₆O₂

Color and Shape:

Light Yellow

Molecular weight:

204.26

Ref: TR-M325929

50mg		264.00 €
100mg		447.00 €
250mg		949.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

+ info

Triethyl Phosphate-d15

Controlled Product

CAS:135942-11-9

Applications Isotope labelled Triethyl Phosphate is a useful synthetic intermediate. It was used in the …

Formula:

C₆D₁₅O₄P

Color and Shape:

Colourless

Molecular weight:

197.25

Ref: TR-T776952

50mg		236.00 €
100mg		381.00 €
250mg		754.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

+ info

Defluoro Levofloxacin

CAS:117620-85-6

Impurity Levofloxacin USP Related Compound F Applications Nonfluorinated analog of Levofloxacin (L360000). Levofloxacin USP Related …

Formula:

C₁₈H₂₁N₃O₄

Color and Shape:

Off-White

Molecular weight:

343.38

Ref: TR-D229020

1mg		271.00 €
5mg		1,185.00 €
10mg		1,877.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

3-Amino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone(Clonazepam Impurity)

+ info

3-Amino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone(Clonazepam Impurity)

CAS:55198-89-5

Impurity Clonazepam EP Impurity B Applications 3-Amino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone (Clonazepam EP Impurity B) is an impurity of …

Formula:

C₁₅H₁₀ClN₃O₃

Color and Shape:

Yellow Brown

Molecular weight:

315.71

Ref: TR-A603590

10mg		222.00 €
100mg		1,527.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

+ info

2-Methylbenzophenone

CAS:131-58-8

Formula:

C₁₄H₁₂O

Color and Shape:

Colourless

Molecular weight:

196.24

Ref: TR-M289795

1g 89.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

8-Amino-7-oxopelargonic Acid Hydrochloride

+ info

8-Amino-7-oxopelargonic Acid Hydrochloride

Controlled Product

CAS:177408-65-0

Applications An intermediate in the synthesis of biotin. Pimeloyl-CoA is transformed into AOP in the …

Formula:

C₉H₁₇NO₃·ClH

Color and Shape:

Neat

Molecular weight:

223.70

Ref: TR-A618750

5mg		109.00 €
10mg		176.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

Hemiacetorphan

Controlled Product

CAS:124735-06-4

Applications Hemiacetorphan is an impurity of Racecadotril (R070600), which is antidiarrheal, enkephalinase inhibitor, and also …

Formula:

C₁₄H₁₇NO₄S

Color and Shape:

Neat

Molecular weight:

295.35

Ref: TR-H235105

25mg		296.00 €
250mg		1,984.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

5-Methoxy-N,N-diisopropyltryptamine Hydrochloride

+ info

5-Methoxy-N,N-diisopropyltryptamine Hydrochloride

Controlled Product

CAS:2426-63-3

Applications A psychoactive tryptamine analog.Controlled substance (hallucinogen). References Meatherall, R., et al.: J. Anal. Toxicol., …

Formula:

C₁₇H₂₆N₂O·HCl

Color and Shape:

Neat

Molecular weight:

310.86

Ref: TR-M262470

5mg		121.00 €
25mg		311.00 €
100mg		828.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

+ info

Pseudohydromorphone

Controlled Product

CAS:2139240-60-9

Applications Pseudohydromorphone is the dimerized impurity of Hydromorphone (H714650), an analgesic agent prepared from the …

Formula:

C₃₄H₃₆N₂O₆

Color and Shape:

Neat

Molecular weight:

568.66

Ref: TR-P839560

1mg		330.00 €
10mg		2,170.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

+ info

6,7-Dihydrocanrenone

Controlled Product

CAS:976-70-5

Formula:

C₂₂H₃₀O₃

Color and Shape:

Neat

Molecular weight:

342.47

Ref: TR-D448720

10mg		308.00 €
100mg		1,989.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

+ info

Benzoyl Ecgonine-d3

Controlled Product

CAS:115732-68-8

Applications A labelled metabolite of Cocaine. Controlled substance. Not a dangerous good if item is …

Formula:

C₁₆H₃H₁₆NO₄

Color and Shape:

Neat

Molecular weight:

292.34

Ref: TR-B208127

1mg		269.00 €
10mg		1,761.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

Enalaprilat-d5 Sodium Salt (Contains up to 10% inorganics)

+ info

Enalaprilat-d5 Sodium Salt (Contains up to 10% inorganics)

Controlled Product

CAS:1356922-29-6

Stability Hygroscopic Applications Labelled active metabolite of Enalapril. A nonsulfhydryl dipeptide angiotensin converting enzyme (ACE) …

Formula:

C₁₈H₁₈D₅N₂NaO₅

Color and Shape:

Off-White

Molecular weight:

375.41

Ref: TR-E555377

1mg		353.00 €
10mg		2,342.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

[6R-[6a,7b(R*)]]-7-[(Aminophenylacetyl)amino]-3-methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2…

+ info

[6R-[6a,7b(R*)]]-7-[(Aminophenylacetyl)amino]-3-methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic Acid

Controlled Product

CAS:67308-21-8

Stability Light Sensitive Applications [6R-[6α,7β(R*)]]-7-[(Aminophenylacetyl)amino]-3-methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic Acid is an impurity of Cefaclor (C235250), an second-generation cephalosporin …

Formula:

C₁₆H₁₇N₃O₄S

Color and Shape:

Neat

Molecular weight:

347.39

Ref: TR-A622260

1mg		357.00 €
10mg		2,429.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

6-Chloro-3-(propan-2-yl)-1,2,3,4-tetrahydropyrimidine-2,4-dione

Controlled Product

CAS:887581-47-7

Formula:

C₇H₉ClN₂O₂

Color and Shape:

Neat

Ref: TR-B428180

50mg		135.00 €
250mg		482.00 €
500mg		986.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

Oripavine

Controlled Product

CAS:467-04-9

Applications The major metabolite of Thebaine. Oripavine possesses an analgesic potency comparable to Morphine; it …

Formula:

C₁₈H₁₉NO₃

Color and Shape:

Off-White

Molecular weight:

297.35

Ref: TR-O675000

5mg		123.00 €
25mg		330.00 €
100mg		707.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

10-Deacetyl-1,7,10,13-tetramethyl Baccatin III

+ info

10-Deacetyl-1,7,10,13-tetramethyl Baccatin III

Controlled Product

Applications 10-Deacetyl-1,7,10,13-tetramethyl baccatin III is a derivative of 10-deacetyl baccatin III (D198250).

Formula:

C₃₃H₄₄O₁₀

Purity:

>90%

Color and Shape:

Neat

Molecular weight:

600.7

Ref: TR-D198220

1mg		283.00 €
5mg		1,215.00 €
10mg		1,936.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

2-[[(Guanidino)(imino)methyl]sulfanyl]ethanesulfonic Acid

+ info

2-[[(Guanidino)(imino)methyl]sulfanyl]ethanesulfonic Acid

Controlled Product

CAS:1391053-66-9

Impurity Mesna EP Impurity B Applications 2-[[(Guanidino)(imino)methyl]sulfanyl]ethanesulfonic Acid (Mesna EP Impurity B) is an impurity …

Formula:

C₄H₁₀N₄O₃S₂

Color and Shape:

Neat

Molecular weight:

226.28

Ref: TR-G835250

50mg		102.00 €
250mg		192.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

D-Glucose 6-Phosphate-13C6 Sodium Salt Hydrate

+ info

D-Glucose 6-Phosphate-13C6 Sodium Salt Hydrate

CAS:3671-99-6

Formula:

C₆H₁₂NaO₉P•xH₂O

Color and Shape:

Neat

Molecular weight:

288.07

Ref: TR-G596808

1mg		96.00 €
5mg		324.00 €
10mg		478.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info

2-[[3-[2-(Dimethylamino)ethyl]-1H-indol-5-yl]methyl] Sumatriptan

+ info

2-[[3-[2-(Dimethylamino)ethyl]-1H-indol-5-yl]methyl] Sumatriptan

Controlled Product

CAS:545338-89-4

Impurity Sumatriptan EP Impurity A Stability Light Sensitive Applications 2-[[3-[2-(dimethylamino)ethyl]-1H-indol-5-yl]methyl] Sumatriptan Succinate (Sumatriptan EP Impurity …

Formula:

C₂₇H₃₇N₅O₂S

Color and Shape:

Off White Solid

Molecular weight:

495.68

Ref: TR-D446670

25mg		1,608.00 €
100mg		3,242.00 €
2500µg		225.00 €

Estimated delivery in United States, on Monday 28 Oct 2024

+ info