Product correctly added to cart.

  1. Home
  2. Chemical Compounds
  3. Reference Standards (CRS)
  4. Pharmaceutical Standards
  5. Active Pharmaceutical Ingredients (API) for research
  6. Active pharmaceutical ingredient (API) impurities for research
No image
No image

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.

Read more
Sort by

See more categories

This search does not contain any category.

  • 20
    • 50
    • 100
    • 200

products per page. 4290 products on this category.

BrandProduct dataPurityPrice rangeEstimated delivery
TRC logo
5'-Hydroxyphenyl Carvedilol-d5
REF: TR-H949126CAS: 1189704-21-9 		- - -373.00 €~2,499.00 €Tue 14 Jan 25
TRC logo
Mixture of N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole Sulfide and N’-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole Sulfide
REF: TR-M262315CAS: 1346600-29-0 		- - -259.00 €~1,751.00 €Tue 14 Jan 25
TRC logo
(2'R)-2'-Deoxy-2'-fluoro-2'-methyl-uridine 5'-Triphosphate Triethylammonium Salt
REF: TR-D235370CAS: 1015073-42-3 		- - -511.00 €~4,167.00 €Tue 14 Jan 25
TRC logo
4-(1-Hydroxy-1-methylethyl)-2-propyl-1H-imidazole-5-carboxylic Acid Ethyl Ester
REF: TR-H946900CAS: 144689-93-0 		- - -194.00 €~792.00 €Tue 14 Jan 25
TRC logo
1,6-Pyrenediamine
REF: TR-P989305CAS: 14923-84-3 		- - -83.00 €Tue 14 Jan 25
TRC logo
6,10-Dihydroxy Buspirone
REF: TR-D452260CAS: 658701-59-8 		- - -244.00 €~1,632.00 €Tue 14 Jan 25
TRC logo
(R)-Phenylephrine-L-tartaramide (>90%)
REF: TR-P320683		>90%315.00 €~2,039.00 €Tue 14 Jan 25
TRC logo
14-Bromo, 13-Deoxo, 13,13-Dimethoxy Daunorubicin Hydrobromide (>85%)
REF: TR-A630405CAS: 148218-14-8 		>85%319.00 €~2,109.00 €Tue 14 Jan 25
TRC logo
Desthiazolylmethyloxycarbonyl Ritonavir
REF: TR-D297430CAS: 176655-55-3 		>85%325.00 €~2,136.00 €Tue 14 Jan 25
TRC logo
N-Propiononitrile Hydroxychloroquine
REF: TR-P788610CAS: 1606176-76-4 		- - -5,432.00 €Tue 14 Jan 25
TRC logo
11Alpha,17Alpha,21-Trihydroxy-16Alpha-methyl-1,4-pregnadiene-3,20-dione
REF: TR-T795365CAS: 78761-59-8 		- - -574.00 €~4,673.00 €Tue 14 Jan 25
TRC logo
Oxacillin Penillic Acid Disodium Salt, 80% (Mixture of Diastereomers)
REF: TR-O758495CAS: 37699-31-3 		- - -261.00 €~1,753.00 €Tue 14 Jan 25
TRC logo
3-Amino-2-chloro-propenal
REF: TR-A604190CAS: 221615-73-2 		- - -350.00 €~2,386.00 €Tue 14 Jan 25
TRC logo
5-Ethyl-5-phenyl-2-(1-phenylpropyl)dihydropyrimidine-4,6(1H,5H)-dione (Mixture of Diastereomers)
REF: TR-E925460CAS: 1189504-46-8 		- - -1,529.00 €Tue 14 Jan 25
TRC logo
4-Oxo-(9-cis,13-cis)-Retinoic Acid
REF: TR-O870350CAS: 1391062-39-7 		- - -338.00 €~2,548.00 €Tue 14 Jan 25
TRC logo
Delta2-Cefotetan
REF: TR-C242965CAS: 1332499-75-8 		- - -5,214.00 €Tue 14 Jan 25
TRC logo
3-Amino-2,4-xylenol
REF: TR-A632430CAS: 100445-96-3 		- - -265.00 €~1,756.00 €Tue 14 Jan 25
TRC logo
Defluoro Paroxetine Hydrochloride
REF: TR-D229035CAS: 1322626-23-2 		- - -255.00 €~1,696.00 €Tue 14 Jan 25
TRC logo
(2R,4S)-Ethyl 5-([1,1'-biphenyl]-4-yl)-4-(4-ethoxy-4-oxobutanamido)-2-methylpentanoate
REF: TR-E900104CAS: 2216747-18-9 		- - -1,589.00 €Tue 14 Jan 25
TRC logo
Streptidine Dihydrochloride
REF: TR-S687405CAS: 85-17-6 		- - -316.00 €~2,050.00 €Tue 14 Jan 25
discount label
5'-Hydroxyphenyl Carvedilol-d5
TRC logo
+ info

5'-Hydroxyphenyl Carvedilol-d5

Controlled Product
CAS:1189704-21-9
Applications A Labelled metabolite of Carvedilol which is a multiple-action, neurohormonal antagonist that is used …
Formula:
C24H21D5N2O5
Color and Shape:
Neat
Molecular weight:
427.5

Ref: TR-H949126

1mg373.00 €
10mg2,499.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
Mixture of N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole Sulfide and N’-(4-Methoxy-3,5-d…
TRC logo
+ info

Mixture of N-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole Sulfide and N’-(4-Methoxy-3,5-dimethyl-2-pyridinyl)methyl Omeprazole Sulfide

Controlled Product
CAS:1346600-29-0
Applications Omeprazole (O635000) impurity.
Formula:
C26H30N4O3S
Color and Shape:
Neat
Molecular weight:
957.213

Ref: TR-M262315

10mg259.00 €
100mg1,751.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
(2'R)-2'-Deoxy-2'-fluoro-2'-methyl-uridine 5'-Triphosphate Triethylammonium Salt
TRC logo
+ info

(2'R)-2'-Deoxy-2'-fluoro-2'-methyl-uridine 5'-Triphosphate Triethylammonium Salt

Controlled Product
CAS:1015073-42-3
Stability Hygroscopic Applications (2'R)​-2'-​Deoxy-​2'-​fluoro-​2'-​methyl-uridine 5'-​Triphosphate Tetrasodium Salt is an impurity of Sofosbuvir (P839640) which is …
Formula:
C28H61FN5O14P3
Color and Shape:
Off White Solid
Molecular weight:
803.73

Ref: TR-D235370

5mg4,167.00 €
500µg511.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
4-(1-Hydroxy-1-methylethyl)-2-propyl-1H-imidazole-5-carboxylic Acid Ethyl Ester
TRC logo
+ info

4-(1-Hydroxy-1-methylethyl)-2-propyl-1H-imidazole-5-carboxylic Acid Ethyl Ester

Controlled Product
CAS:144689-93-0
Impurity Olmesartan Imidazole Ethyl Ester Impurity Applications An Olmesartan (O550000) intermediate. References Sakamoto, F., et …
Formula:
C12H20N2O3
Color and Shape:
Neat
Molecular weight:
240.30

Ref: TR-H946900

1g194.00 €
10g792.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
1,6-Pyrenediamine
TRC logo
+ info

1,6-Pyrenediamine

Controlled Product
CAS:14923-84-3
Formula:
C16H12N2
Color and Shape:
Neat
Molecular weight:
232.28

Ref: TR-P989305

10mg83.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
6,10-Dihydroxy Buspirone
TRC logo
+ info

6,10-Dihydroxy Buspirone

Controlled Product
CAS:658701-59-8
Applications 6,10-Dihydroxy Buspirone is an Impurity formed during the preparation of Buspirone metabolites. Also, it …
Formula:
C21H31N5O4
Color and Shape:
Neat
Molecular weight:
417.5

Ref: TR-D452260

1mg244.00 €
10mg1,632.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
(R)-Phenylephrine-L-tartaramide (>90%)
TRC logo
+ info

(R)-Phenylephrine-L-tartaramide (>90%)

Controlled Product
Applications (R)-Phenylephrine-L-tartaramide is an impurity found in medications containing (R)-Phenylephrine (P320640), which is an α-Adrenergic …
Formula:
C13H17NO7
Purity:
>90%
Color and Shape:
Neat
Molecular weight:
299.28

Ref: TR-P320683

1mg315.00 €
10mg2,039.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
14-Bromo, 13-Deoxo, 13,13-Dimethoxy Daunorubicin Hydrobromide (>85%)
TRC logo
+ info

14-Bromo, 13-Deoxo, 13,13-Dimethoxy Daunorubicin Hydrobromide (>85%)

Controlled Product
CAS:148218-14-8
Applications (8S,10S)-10-[(3-Amino-2,3,6-trideoxy-α-L-lyxo-hexopyranosyl)oxy]-8-(2-bromo-1,1-dimethoxyethyl)-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-5,12-naphthacenedione, is the metabolite of Doxorubicin (D558000), which is a neoplasm inhibitor,and an antineoplastic. …
Formula:
C29H34BrNO11·BrH
Purity:
>85%
Color and Shape:
Neat
Molecular weight:
733.40

Ref: TR-A630405

10mg319.00 €
100mg2,109.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
Desthiazolylmethyloxycarbonyl Ritonavir
TRC logo
+ info

Desthiazolylmethyloxycarbonyl Ritonavir

Controlled Product
CAS:176655-55-3
Formula:
C32H45N5O3S
Purity:
>85%
Color and Shape:
Neat
Molecular weight:
579.80

Ref: TR-D297430

5mg325.00 €
50mg2,136.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
N-Propiononitrile Hydroxychloroquine
TRC logo
+ info

N-Propiononitrile Hydroxychloroquine

Controlled Product
CAS:1606176-76-4
Formula:
C21H29ClN4O
Color and Shape:
Neat
Molecular weight:
388.93

Ref: TR-P788610

100mg5,432.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
11Alpha,17Alpha,21-Trihydroxy-16Alpha-methyl-1,4-pregnadiene-3,20-dione
TRC logo
+ info

11Alpha,17Alpha,21-Trihydroxy-16Alpha-methyl-1,4-pregnadiene-3,20-dione

Controlled Product
CAS:78761-59-8
Applications 11α,17α,21-Trihydroxy-16α-methyl-1,4-pregnadiene-3,20-dione is a 3-Keto-Δ1(2)-Δ4(5) steroid that can be synthesized from Dexamethasone 9,11-Epoxide (D298795).
Formula:
C22H30O5
Color and Shape:
Neat
Molecular weight:
374.47

Ref: TR-T795365

5mg4,673.00 €
500µg574.00 €
2500µg2,408.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
Oxacillin Penillic Acid Disodium Salt, 80% (Mixture of Diastereomers)
TRC logo
+ info

Oxacillin Penillic Acid Disodium Salt, 80% (Mixture of Diastereomers)

CAS:37699-31-3
Applications Oxacillin Penillic Acid Disodium Salt, is a derivative (impurity) of Oxacillin which is used …
Formula:
C19H17N3O5SNa
Color and Shape:
Neat
Molecular weight:
445.40

Ref: TR-O758495

1mg261.00 €
10mg1,753.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
3-Amino-2-chloro-propenal
TRC logo
+ info

3-Amino-2-chloro-propenal

Controlled Product
CAS:221615-73-2
Stability Hygroscopic Applications 3-Amino-2-chloro-propenal is a chemical reagent in the synthesis of a COX-2 specific …
Formula:
C3H4ClNO
Color and Shape:
Neat
Molecular weight:
105.52

Ref: TR-A604190

10mg350.00 €
100mg2,386.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
5-Ethyl-5-phenyl-2-(1-phenylpropyl)dihydropyrimidine-4,6(1H,5H)-dione (Mixture of Diastereomers)
TRC logo
+ info

5-Ethyl-5-phenyl-2-(1-phenylpropyl)dihydropyrimidine-4,6(1H,5H)-dione (Mixture of Diastereomers)

Controlled Product
CAS:1189504-46-8
Impurity Primidone EP Impurity F Applications An impurity arising in the synthesis of Primidone. References …
Formula:
C21H24N2O2
Color and Shape:
Neat
Molecular weight:
336.43

Ref: TR-E925460

10mg1,529.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
4-Oxo-(9-cis,13-cis)-Retinoic Acid
TRC logo
+ info

4-Oxo-(9-cis,13-cis)-Retinoic Acid

Controlled Product
CAS:1391062-39-7
Stability Light Sensitive, Temperature Sensitive Applications An oxo analogue of 9-cis,13-cis-Retinoic Acid (R245015): a major …
Formula:
C20H26O3
Color and Shape:
Neat
Molecular weight:
314.42

Ref: TR-O870350

5mg2,548.00 €
500µg338.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
Delta2-Cefotetan
TRC logo
+ info

Delta2-Cefotetan

Controlled Product
CAS:1332499-75-8
Applications The Δ2-isomer of Cefotean (C242970). It is useful as intermediate in the preparation of …
Formula:
C17H17N7O8S4
Color and Shape:
Neat
Molecular weight:
575.62

Ref: TR-C242965

10mg5,214.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
3-Amino-2,4-xylenol
TRC logo
+ info

3-Amino-2,4-xylenol

Controlled Product
CAS:100445-96-3
Applications Lidocaine (L397800) metabolite. Not a dangerous good if item is equal to or less …
Formula:
C8H11NO
Color and Shape:
Neat
Molecular weight:
137.18

Ref: TR-A632430

10mg265.00 €
100mg1,756.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
Defluoro Paroxetine Hydrochloride
TRC logo
+ info

Defluoro Paroxetine Hydrochloride

Controlled Product
CAS:1322626-23-2
Formula:
C19H22ClNO3
Color and Shape:
Neat
Molecular weight:
347.84

Ref: TR-D229035

10mg255.00 €
100mg1,696.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
(2R,4S)-Ethyl 5-([1,1'-biphenyl]-4-yl)-4-(4-ethoxy-4-oxobutanamido)-2-methylpentanoate
TRC logo
+ info

(2R,4S)-Ethyl 5-([1,1'-biphenyl]-4-yl)-4-(4-ethoxy-4-oxobutanamido)-2-methylpentanoate

Controlled Product
CAS:2216747-18-9
Applications (2R,4S)-Ethyl 5-([1,1'-biphenyl]-4-yl)-4-(4-ethoxy-4-oxobutanamido)-2-methylpentanoate is an impurity compound of Valsartan (V095750). Valsartan is a nonpeptide angiotensin …
Formula:
C26H33NO5
Color and Shape:
Neat
Molecular weight:
439.54

Ref: TR-E900104

250mg1,589.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
discount label
Streptidine Dihydrochloride
TRC logo
+ info

Streptidine Dihydrochloride

Controlled Product
CAS:85-17-6
Stability Hygroscopic Applications Streptidine is a metabolite derivative of Streptomycin (S687500), an antibiotic (antimycobacterial) drug, …
Formula:
C8H20Cl2N6O4
Color and Shape:
Neat
Molecular weight:
335.19

Ref: TR-S687405

10mg316.00 €
100mg2,050.00 €
Estimated delivery in United States, on Tuesday 14 Jan 2025
+ info
Welcome to CymitQuimica!We use cookies to enhance your visit. We do not include advertising.

Please see our Cookies Policy for more details or adjust your preferences in "Settings".