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. 4604 products on this category.

BrandProduct dataPurityPrice rangeEstimated delivery
Biosynth logo
N-Formyl leurosine
REF: 3D-IF23552CAS: 54022-49-0 		Min. 95%To inquireMon 10 Feb 25
Biosynth logo
Amino albendazole
REF: 3D-IA17359CAS: 80983-36-4 		Min. 95%136.00 €~472.00 €Mon 10 Feb 25
Biosynth logo
(S,S)-IsoValganciclovir hydrochloride
REF: 3D-IV180935CAS: 1401562-13-7 		Min. 95%To inquireMon 10 Feb 25
Biosynth logo
Losartan isomer impurity, potassium salt
REF: 3D-IL24944CAS: 860644-28-6 		Min. 95%194.00 €~1,047.00 €Mon 10 Feb 25
Biosynth logo
Captopril EP Impurity N
REF: 3D-IC182781CAS: 65134-74-9 		Min. 95%To inquireMon 10 Feb 25
Biosynth logo
1-[1-(4-Methoxyphenyl)-2-[[2-(4-methoxyphenyl)ethyl]amino]ethyl]cyclohexanol
REF: 3D-IM63868CAS: 1329795-88-1 		Min. 95%189.00 €~1,084.00 €Mon 10 Feb 25
Biosynth logo
(5E)-Calcipotriene
REF: 3D-IC19633CAS: 113082-99-8 		Min. 95%740.00 €~5,507.00 €Mon 10 Feb 25
Biosynth logo
4-Chloro-4-methyl-5-methylene-1,3-dioxolan-2-one
REF: 3D-IC181300CAS: 95579-71-8 		Min. 95%To inquireMon 10 Feb 25
Biosynth logo
Hydrocortisone EP Impurity H
REF: 3D-IH178817		Min. 95%105.00 €~1,392.00 €Mon 10 Feb 25
Biosynth logo
[4-(4-Amino-6-hydroxy-7-methoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)-methanone
REF: 3D-IA63846CAS: 105356-89-6 		Min. 95%To inquireMon 10 Feb 25
Biosynth logo
Meropenem EP Impurity A
REF: 3D-IM178851		Min. 95%To inquireMon 10 Feb 25
Biosynth logo
(S)-3-((R)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid
REF: 3D-IO145579CAS: 162148-15-4 		Min. 95%To inquireMon 10 Feb 25
Biosynth logo
2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic acid
REF: 3D-IB18541CAS: 197010-25-6 		Min. 95%801.00 €~4,869.00 €Mon 10 Feb 25
Biosynth logo
2,12-Dihydro-1,3-dimethyl-8-methoxy-12-thioxobenzo [4,5] pyrido [1,2-c] imidazo [1,2-a] imidazol-2-one
REF: 3D-ID57924CAS: 125656-82-8 		Min. 95%To inquireMon 10 Feb 25
Biosynth logo
N-Methyl-N-(3-chloropropyl)homoveratrylamine
REF: 3D-IM145563CAS: 36770-74-8 		Min. 95%To inquireMon 10 Feb 25
Biosynth logo
Pravastatin 6-oxo Impurity
REF: 3D-IP158589CAS: 201423-59-8 		Min. 95%To inquireMon 10 Feb 25
Biosynth logo
(3R,5R)-Pitavastatin Calcium Salt
REF: 3D-IP145450CAS: 254452-96-5 		Min. 95%436.00 €~5,517.00 €Mon 10 Feb 25
Biosynth logo
Esomeprazole impurity 17
REF: 3D-IE158401		Min. 95%To inquireMon 10 Feb 25
Biosynth logo
m-Glimepiride impurity
REF: 3D-IM25123CAS: 791104-62-6 		Min. 95%711.00 €~7,141.00 €Mon 10 Feb 25
Biosynth logo
a-[3-[[2-(3,4-Dimethoxyphenyl)ethyl]methylamino]propyl]-3,4-dimethoxy-a-propyl-benzeneacetonitrile
REF: 3D-ID145564CAS: 959011-16-6 		Min. 95%To inquireMon 10 Feb 25
discount label
N-Formyl leurosine
Biosynth logo
+ info

N-Formyl leurosine

CAS:54022-49-0
N-Formyl leurosine is an inhibitor of fatty acid synthesis. It has been shown to inhibit …
Formula:
C46H54N4O10
Purity:
Min. 95%
Molecular weight:
822.94 g/mol

Ref: 3D-IF23552

1mgTo inquire
2mgTo inquire
5mgTo inquire
10mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
Amino albendazole
Biosynth logo
+ info

Amino albendazole

CAS:80983-36-4
Albendazole is a sulfoxide anthelmintic drug that is used to treat worm infections in livestock …
Formula:
C10H13N3S
Purity:
Min. 95%
Molecular weight:
207.3 g/mol

Ref: 3D-IA17359

1mg136.00 €
2mg138.00 €
5mg194.00 €
10mg310.00 €
25mg472.00 €
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
(S,S)-IsoValganciclovir hydrochloride
Biosynth logo
+ info

(S,S)-IsoValganciclovir hydrochloride

CAS:1401562-13-7
(S,S)-IsoValganciclovir hydrochloride is a drug product with a purity of 99.5% or greater that is …
Formula:
C14H23ClN6O5
Purity:
Min. 95%
Molecular weight:
390.82 g/mol

Ref: 3D-IV180935

10mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
Losartan isomer impurity, potassium salt
Biosynth logo
+ info

Losartan isomer impurity, potassium salt

CAS:860644-28-6
Losartan is an angiotensin II receptor antagonist. It is used in the treatment of hypertension …
Formula:
C22H22ClKN6O
Purity:
Min. 95%
Molecular weight:
461 g/mol

Ref: 3D-IL24944

1mg194.00 €
2mg310.00 €
5mg436.00 €
10mg582.00 €
25mg1,047.00 €
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
Captopril EP Impurity N
Biosynth logo
+ info

Captopril EP Impurity N

CAS:65134-74-9
Captopril EP Impurity N is a synthetic impurity found in Captopril EP, which is used …
Formula:
C8H14O4S2
Purity:
Min. 95%
Molecular weight:
238.33 g/mol

Ref: 3D-IC182781

1mgTo inquire
2mgTo inquire
5mgTo inquire
10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
1-[1-(4-Methoxyphenyl)-2-[[2-(4-methoxyphenyl)ethyl]amino]ethyl]cyclohexanol
Biosynth logo
+ info

1-[1-(4-Methoxyphenyl)-2-[[2-(4-methoxyphenyl)ethyl]amino]ethyl]cyclohexanol

CAS:1329795-88-1
1-[1-(4-Methoxyphenyl)-2-[[2-(4-methoxyphenyl)ethyl]amino]ethyl]cyclohexanol is a drug product that is used as a standard for HPLC. It is …
Formula:
C24H33NO3
Purity:
Min. 95%
Molecular weight:
383.52 g/mol

Ref: 3D-IM63868

1mg189.00 €
2mg307.00 €
5mg400.00 €
10mg640.00 €
25mg1,084.00 €
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
(5E)-Calcipotriene
Biosynth logo
+ info

(5E)-Calcipotriene

CAS:113082-99-8
(5E)-Calcipotriene is a synthetic, natural, and analytical chemical. It is a white to off-white powder …
Formula:
C27H40O3
Purity:
Min. 95%
Molecular weight:
412.6 g/mol

Ref: 3D-IC19633

1mg740.00 €
2mg1,044.00 €
5mg1,739.00 €
10mg3,014.00 €
25mg5,507.00 €
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
4-Chloro-4-methyl-5-methylene-1,3-dioxolan-2-one
Biosynth logo
+ info

4-Chloro-4-methyl-5-methylene-1,3-dioxolan-2-one

CAS:95579-71-8
4-Chloro-4-methyl-5-methylene-1,3-dioxolan-2-one is a synthetic metabolite that is used as an impurity standard for the drug …
Formula:
C5H5ClO3
Purity:
Min. 95%
Molecular weight:
148.54 g/mol

Ref: 3D-IC181300

250mgTo inquire
500mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
Hydrocortisone EP Impurity H
Biosynth logo
+ info

Hydrocortisone EP Impurity H

Hydrocortisone EP Impurity H is an analytical standard that is used as an impurity in …
Formula:
C21H30O6
Purity:
Min. 95%
Molecular weight:
378.46 g/mol

Ref: 3D-IH178817

1mg232.00 €
2mg364.00 €
5mg647.00 €
10mg986.00 €
25mg1,392.00 €
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
[4-(4-Amino-6-hydroxy-7-methoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)-methanone
Biosynth logo
+ info

[4-(4-Amino-6-hydroxy-7-methoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)-methanone

CAS:105356-89-6
4-(4-Amino-6-hydroxy-7-methoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)-methanone (CAS No. 105356-89-6) is a synthetic impurity standard used in the manufacture of various …
Formula:
C18H23N5O4
Purity:
Min. 95%
Molecular weight:
373.41 g/mol

Ref: 3D-IA63846

1mgTo inquire
5mgTo inquire
10mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
Meropenem EP Impurity A
Biosynth logo
+ info

Meropenem EP Impurity A

Meropenem EP Impurity A is a synthetic, high purity, drug product that is used as …
Formula:
C17H27N3O6S
Purity:
Min. 95%
Molecular weight:
401.48 g/mol

Ref: 3D-IM178851

1mgTo inquire
2mgTo inquire
5mgTo inquire
10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
(S)-3-((R)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid
Biosynth logo
+ info

(S)-3-((R)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid

CAS:162148-15-4
(S)-3-((R)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid is a drug product of the drug development industry. It is a metabolite …
Formula:
C9H12N2O4S
Purity:
Min. 95%
Molecular weight:
244.27 g/mol

Ref: 3D-IO145579

2mgTo inquire
5mgTo inquire
10mgTo inquire
25mgTo inquire
50mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic acid
Biosynth logo
+ info

2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic acid

CAS:197010-25-6
2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic acid is a synthetic compound that is being researched as a potential drug product. …
Formula:
C24H29NO5
Purity:
Min. 95%
Molecular weight:
411.49 g/mol

Ref: 3D-IB18541

1mg801.00 €
2mg1,160.00 €
5mg1,739.00 €
10mg2,667.00 €
25mg4,869.00 €
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
2,12-Dihydro-1,3-dimethyl-8-methoxy-12-thioxobenzo [4,5] pyrido [1,2-c] imidazo [1,2-a] imidazol-2…
Biosynth logo
+ info

2,12-Dihydro-1,3-dimethyl-8-methoxy-12-thioxobenzo [4,5] pyrido [1,2-c] imidazo [1,2-a] imidazol-2-one

CAS:125656-82-8
2,12-Dihydro-1,3-dimethyl-8-methoxy-12-thioxobenzo [4,5] pyrido [1,2-c] imidazo [1,2-a] imidazol-2-one is a metabolite of the drug 2-[2-(4,5,-dihydroimidazo[1,2a]imidazol -2(3H)-yl)ethoxy]-N-(methylsulfonyl)benzamide. …
Formula:
C16H13N3O2S
Purity:
Min. 95%
Molecular weight:
311.36 g/mol

Ref: 3D-ID57924

5mgTo inquire
10mgTo inquire
25mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
N-Methyl-N-(3-chloropropyl)homoveratrylamine
Biosynth logo
+ info

N-Methyl-N-(3-chloropropyl)homoveratrylamine

CAS:36770-74-8
N-Methyl-N-(3-chloropropyl)homoveratrylamine is a chlorinated alkylating agent that has been shown to accumulate in the myocardium. …
Formula:
C12H19NO2·HCl
Purity:
Min. 95%
Molecular weight:
245.75 g/mol

Ref: 3D-IM145563

25mgTo inquire
50mgTo inquire
100mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
Pravastatin 6-oxo Impurity
Biosynth logo
+ info

Pravastatin 6-oxo Impurity

CAS:201423-59-8
Pravastatin 6-oxo Impurity is an impurity of Pravastatin, a drug used in the treatment of …
Formula:
C23H34O7
Purity:
Min. 95%
Molecular weight:
422.51 g/mol

Ref: 3D-IP158589

1mgTo inquire
5mgTo inquire
10mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
(3R,5R)-Pitavastatin Calcium Salt
Biosynth logo
+ info

(3R,5R)-Pitavastatin Calcium Salt

CAS:254452-96-5
(3R,5R)-Pitavastatin Calcium Salt is a drug product that is used in the development of pharmaceuticals. …
Formula:
C25H24FNO4Ca
Purity:
Min. 95%
Color and Shape:
White/Off-White Solid
Molecular weight:
441.5 g/mol

Ref: 3D-IP145450

1mg436.00 €
2mg647.00 €
5mg1,044.00 €
10mg1,971.00 €
25mg3,478.00 €
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
Esomeprazole impurity 17
Biosynth logo
+ info

Esomeprazole impurity 17

Esomeprazole impurity 17 is a drug product that is an analytical standard. It is a …
Formula:
C26H30N4O5S
Purity:
Min. 95%
Molecular weight:
510.61 g/mol

Ref: 3D-IE158401

100mgTo inquire
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
m-Glimepiride impurity
Biosynth logo
+ info

m-Glimepiride impurity

CAS:791104-62-6
m-Glimepiride impurity is a chemical substance that belongs to the sulfonylurea family. It is used …
Formula:
C24H34N4O5S
Purity:
Min. 95%
Molecular weight:
490.62 g/mol

Ref: 3D-IM25123

1mg1,084.00 €
2mg2,041.00 €
5mg4,081.00 €
10mg7,141.00 €
500µg711.00 €
Estimated delivery in United States, on Monday 10 Feb 2025
+ info
discount label
a-[3-[[2-(3,4-Dimethoxyphenyl)ethyl]methylamino]propyl]-3,4-dimethoxy-a-propyl-benzeneacetonitrile
Biosynth logo
+ info

a-[3-[[2-(3,4-Dimethoxyphenyl)ethyl]methylamino]propyl]-3,4-dimethoxy-a-propyl-benzeneacetonitrile

CAS:959011-16-6
a-[3-[[2-(3,4-Dimethoxyphenyl)ethyl]methylamino]propyl]-3,4-dimethoxy-a-propyl-benzeneacetonitrile is a drug product that is custom synthesized and has been shown to have …
Formula:
C27H38N2O4
Purity:
Min. 95%
Molecular weight:
454.6 g/mol

Ref: 3D-ID145564

5gTo inquire
10gTo inquire
Estimated delivery in United States, on Monday 10 Feb 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".