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. 6775 products on this category.

Product data	Purity	Price range	Estimated delivery
De(diethylaminomethyldiiodo) Amiodarone REF: TR-D228420CAS: 83790-87-8	- - -	320.00 €~2,079.00 €	Fri 25 Oct 24
m-Hydroxyhippuric Acid-13C2, 15N REF: TR-H943127CAS: 1637-75-8	- - -	335.00 €~2,141.00 €	Fri 25 Oct 24
Pasireotide TFA Salt REF: TR-P211010CAS: 396091-73-9	- - -	954.00 €~3,165.00 €	Fri 25 Oct 24
Oxalic Acid-(1,2-13C2) REF: TR-O845123CAS: 62654-02-8	- - -	177.00 €~373.00 €	Fri 25 Oct 24
2-Hydroxyethanephosphonic Acid-d4 REF: TR-H939652CAS: 22987-21-9	- - -	335.00 €~2,209.00 €	Fri 25 Oct 24
7-[(Hydroxy-2-thienyl-3-thienylacetyl)oxy]-9,9-dimethyl-3-Oxa-9-azoniatricyclo[3.3.1.02,4]nonane Bromide REF: TR-H962025CAS: 136431-94-2	- - -	324.00 €~2,136.00 €	Fri 25 Oct 24
2,3,4-Trimethoxybenzyl Alcohol REF: TR-T795690CAS: 71989-96-3	- - -	140.00 €~1,548.00 €	Fri 25 Oct 24
Dibenzazepine-10,11-dione REF: TR-D422620CAS: 19579-83-0	- - -	316.00 €~2,114.00 €	Fri 25 Oct 24
Hydroxy Torsemide-d7 REF: TR-H969982CAS: 1329613-35-5	- - -	244.00 €~1,632.00 €	Fri 25 Oct 24
Hydroxy Vardenafil REF: TR-H995300CAS: 224785-98-2	- - -	292.00 €~1,895.00 €	Fri 25 Oct 24
(R,S)-N-Nitroso Anatabine-2,4,5,6-d4 REF: TR-N524752CAS: 1020719-69-0	- - -	410.00 €~2,679.00 €	Fri 25 Oct 24
N1-Ethylcarbamoyl Cabergoline REF: TR-E900925CAS: 126554-50-5	- - -	236.00 €~1,592.00 €	Fri 25 Oct 24
4-O-[2-Hydroxy-2-[4-hydroxy-3-(hydroxymethyl)phenyl]ethyl] Salmeterol REF: TR-H943080CAS: 1391052-04-2	- - -	340.00 €~2,267.00 €	Fri 25 Oct 24
17β-Hydroxy Exemestane-d3 REF: TR-H942342CAS: 122370-91-6	- - -	264.00 €~1,756.00 €	Fri 25 Oct 24
Delmadinone Acetate REF: TR-D230665CAS: 13698-49-2	- - -	319.00 €~2,074.00 €	Fri 25 Oct 24
(R)-9-[2-(Diethylphosphonomethoxy)propyl] Adenine REF: TR-D444750CAS: 180587-75-1	- - -	237.00 €~1,019.00 €	Fri 25 Oct 24
Diclofenac Amide REF: TR-D436440CAS: 15362-40-0	- - -	176.00 €~728.00 €	Fri 25 Oct 24
7b-Hydroxy Dehydro Epiandrosterone REF: TR-H825206CAS: 2487-48-1	- - -	293.00 €~1,922.00 €	Fri 25 Oct 24
Diethylene Glycol REF: TR-D444285CAS: 111-46-6	- - -	98.00 €~183.00 €	Fri 25 Oct 24
Levamfetamine-d3 Hydrochloride REF: TR-A634242CAS: 41820-21-7 63427-75-8	- - -	260.00 €~1,754.00 €	Fri 25 Oct 24

+ info

De(diethylaminomethyldiiodo) Amiodarone

CAS:83790-87-8

Formula:

C₂₀H₂₀O₃

Color and Shape:

Yellow

Molecular weight:

308.37

Ref: TR-D228420

1g		2,079.00 €
100mg		320.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

+ info

+ info

m-Hydroxyhippuric Acid-13C2, 15N

CAS:1637-75-8

Applications m-Hydroxyhippuric Acid-13C2, 15N is labelled m-Hydroxyhippuric Acid (H943125) which is a metabolite of caffeic …

Formula:

C₇₁₃C₂H₉₁₅NO₄

Color and Shape:

White To Off-White

Molecular weight:

198.15

Ref: TR-H943127

1mg		335.00 €
10mg		2,141.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

+ info

+ info

Pasireotide TFA Salt

Controlled Product

CAS:396091-73-9

Applications Pasireotide can be used in biological study of long-term treatment of Cushing's disease with …

Formula:

C₅₈H₆₆N₁₀O₉·XC₂HF₃O₂

Color and Shape:

Neat

Molecular weight:

1047.21

Ref: TR-P211010

1mg		954.00 €
5mg		3,165.00 €
2500µg		1,690.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

+ info

+ info

Oxalic Acid-(1,2-13C2)

CAS:62654-02-8

Applications Oxalic Acid-(1,2-13C2) is the labelled analog of Oxalic Acid (O845120) which is an impurity …

Formula:

C₂H₂O₄

Color and Shape:

White To Off-White

Molecular weight:

92.02

Ref: TR-O845123

5mg		177.00 €
10mg		236.00 €
25mg		373.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

+ info

+ info

2-Hydroxyethanephosphonic Acid-d4

Controlled Product

CAS:22987-21-9

Applications 2-Hydroxyethanephosphonic acid is an substrate used in the study of 2-hydroxyethylphosphonate dioxygenase reaction mechanism. …

Formula:

C₂H₃D₄O₄P

Color and Shape:

Light Yellow

Molecular weight:

130.07

Ref: TR-H939652

25mg		2,209.00 €
2500µg		335.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

+ info

7-[(Hydroxy-2-thienyl-3-thienylacetyl)oxy]-9,9-dimethyl-3-Oxa-9-azoniatricyclo[3.3.1.02,4]nonane B…

+ info

7-[(Hydroxy-2-thienyl-3-thienylacetyl)oxy]-9,9-dimethyl-3-Oxa-9-azoniatricyclo[3.3.1.02,4]nonane Bromide

Controlled Product

CAS:136431-94-2

Applications 7-[(Hydroxy-2-thienyl-3-thienylacetyl)oxy]-9,9-dimethyl-3-Oxa-9-azoniatricyclo[3.3.1.02,4]nonane Bromide is an impurity in the synthesis of Tiotropium Bromide (T444850), a muscarinic …

Formula:

C₁₉H₂₂BrNO₄S₂

Color and Shape:

Neat

Molecular weight:

472.42

Ref: TR-H962025

5mg		324.00 €
50mg		2,136.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

+ info

+ info

2,3,4-Trimethoxybenzyl Alcohol

Controlled Product

CAS:71989-96-3

Impurity Trimetazidine EP impurity D Applications 2,3,4-Trimethoxybenzyl Alcohol is a trimethoxylated aromatic alcohol. 2,3,4-Trimethoxybenzyl Alcohol …

Formula:

C₁₀H₁₄O₄

Color and Shape:

Colourless To Light Yellow

Molecular weight:

198.22

Ref: TR-T795690

5g		140.00 €
10g		233.00 €
100g		1,548.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

+ info

+ info

Dibenzazepine-10,11-dione

Controlled Product

CAS:19579-83-0

Applications Dibenzazepine-10,11-dione is an impurity of Oxcarbazepine (O869250). Dibenzazepine-10,11-dione is used as a reagent in …

Formula:

C₁₄H₉NO₂

Color and Shape:

Neat

Molecular weight:

223.23

Ref: TR-D422620

10mg		316.00 €
100mg		2,114.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

+ info

+ info

Hydroxy Torsemide-d7

Controlled Product

CAS:1329613-35-5

Applications A labelled metabolite of Torsemide (T548750). References Besenfelder, E., et al.: J. Pharm. Biomed. …

Formula:

C₁₆H₁₃D₇N₄O₄S

Color and Shape:

White To Off-White

Molecular weight:

371.46

Ref: TR-H969982

1mg		244.00 €
10mg		1,632.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

+ info

+ info

Hydroxy Vardenafil

Controlled Product

CAS:224785-98-2

Applications Vardenafil (V098001) derivative as PDE 5 inhibitor. References Golankiewicz, B., et al.: J. Med. …

Formula:

C₂₃H₃₂N₆O₅S

Color and Shape:

Neat

Molecular weight:

504.60

Ref: TR-H995300

25mg		1,895.00 €
2500µg		292.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

+ info

+ info

(R,S)-N-Nitroso Anatabine-2,4,5,6-d4

Controlled Product

CAS:1020719-69-0

Formula:

C₁₀H₄H₇N₃O

Color and Shape:

Light Yellow

Molecular weight:

193.24

Ref: TR-N524752

5mg		2,679.00 €
500µg		410.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

+ info

+ info

N1-Ethylcarbamoyl Cabergoline

CAS:126554-50-5

Formula:

C₂₉H₄₂N₆O₃

Color and Shape:

Off White Solid

Molecular weight:

522.68

Ref: TR-E900925

1mg		236.00 €
10mg		1,592.00 €

Estimated delivery in United States, on Friday 25 Oct 2024

+ info

4-O-[2-Hydroxy-2-[4-hydroxy-3-(hydroxymethyl)phenyl]ethyl] Salmeterol

+ info

4-O-[2-Hydroxy-2-[4-hydroxy-3-(hydroxymethyl)phenyl]ethyl] Salmeterol

Controlled Product

CAS:1391052-04-2

Impurity Salmeterol EP Impurity D Stability Very Hygroscopic Applications 4-O-[2-Hydroxy-2-[4-hydroxy-3-(hydroxymethyl)phenyl]ethyl] Salmeterol (Salmeterol EP Impurity D) …

Formula:

C₃₄H₄₇NO₇

Color and Shape:

Neat

Molecular weight:

581.74