APIs for research and impurities
Subcategories of "APIs for research and impurities"
- Aminoacids and derivatives(12,316 products)
- Anthraquinones and derivatives(402 products)
- Benzimidazole and Imidazole Derivatives(10,375 products)
- Benzodiazepine Derivatives(323 products)
- Carbohydrates and glycoconjugates(5,038 products)
- Esters and Derivatives(42,239 products)
- Fatty Acids and Lypidic Derivatives(32,360 products)
- Flavonoids and Polyphenols(17,066 products)
- Free Radicals and Oxidant/Reducing Agents(208 products)
- Ketones and derivatives(2,393 products)
- Natural and semi-synthetic antibiotics(6,307 products)
- Nitriles and Cyano Derivatives(3,068 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,409 products)
- Organic Phosphates and Phosphonates(1,192 products)
- Organic Sulphonates and Sulphates(10,415 products)
- Organometallics(4,417 products)
- Others(6,257 products)
- Peptides and Proteins(3,129 products)
- Polymers and Derivatives(99 products)
- Purines and Pyrimidine Derivatives(8,889 products)
- Quinazoline and Quinoline Derivatives(65,574 products)
- Quinones and Derivatives(24,334 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(81,501 products)
- Steroids and Derivatives(4,905 products)
- Sulfonamides and Derivatives(2,539 products)
- Terpenoids and Derivatives(3,827 products)
- Thiazolidinediones and Thiopyrans(2,752 products)
- β-Adrenergic Compounds(227 products)
Found 58878 products of "APIs for research and impurities"
(E,Z)-Epalrestat methyl ester
CAS:(E,Z)-Epalrestat methyl ester is a drug product that is custom-synthesized for research and development purposes. It is a natural metabolite of (E,Z)-epalrestat acid. The chemical name for this compound is 3-[(2-chlorophenyl)methyl]-N-(1H-indol-3-ylmethylene)malonamide. The molecular weight of this compound is 284.87 g/mol and it has an empirical formula of C24H27ClN2O2. It has been found to inhibit the activity of phosphodiesterase (PDE), which plays a role in the breakdown of cyclic nucleotides such as cAMP and cGMP. This product has high purity and analytical data that can be used for metabolism studies or clinical trials.
Formula:C16H15NO3S2Purity:Min. 95%Molecular weight:333.43 g/molRef: 3D-HCB77570
Discontinued product2-[[(4-Chloro-3-methyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole
CAS:2-[[(4-Chloro-3-methyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole (CAS No. 168167-42-8) is a synthetic compound that is used as an analytical reference standard for HPLC. It is also used in the study of drug metabolism, and it has been shown to induce natural oxidation in vitro. 2-[(4-Chloro-3-methylpyridinium)methylsulfinyl]-1Hbenzimidazole is an impurity found in pharmaceutical products that are synthesized from 1-(2,4,6trichlorophenyl)-3-[(4chloromethyl)phenyl]urea.Formula:C14H12ClN3OSPurity:Min. 95 Area-%Color and Shape:Brown PowderMolecular weight:305.78 g/molRef: 3D-IC21226
Discontinued productAcrolein-d4
CAS:Please enquire for more information about Acrolein-d4 including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C3H4OPurity:Min. 95%Molecular weight:60.09 g/molRef: 3D-IBA98405
Discontinued product2-Methoxy-5-sulfamoylbenzoic acid
CAS:2-Methoxy-5-sulfamoylbenzoic acid (2MSBA) is a reactive compound that reacts with the proton of vancomycin to form a dianion. This reaction is reversible and can be catalyzed by chloride ions. 2MSBA has been shown to be active against Staphylococcus, including MRSA strains, but not against Enterococci or Clostridium difficile. 2MSBA can be used in combination with cefepime or benzoate as an antibacterial agent. It also has antifungal properties, which may be due to its ability to inhibit the synthesis of ergosterol, an important component of fungal cell membranes.
2-Methoxy-5-sulfamoylbenzoic acid is related to fluconazole in that it contains a benzoate moiety and an amide group. These structural features confer antibacterial and antifFormula:C8H9NO5SPurity:Min. 95%Molecular weight:231.23 g/molRef: 3D-IM145487
Discontinued product(3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl[(2-hydroxy-2-methylpropyl)sulfonyl]amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid sodium salt
CAS:(3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl[(2-hydroxy-2-methylpropyl)sulfonyl]amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid sodium salt is a synthetic drug product. It is an impurity standard in the synthesis of Metabolism studies. The CAS number is 1714147-50-8 and the chemical name is (3R,5S,6E)-7-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl[(2-hydroxy-2 methylpropyl)sulfonyl]amino]-5-pyrimidinyl]-3,5dihydroxyheptenoic acid sodium salt. The molecular weight is 781
Formula:C25H33FN3NaO7SPurity:Min. 95%Molecular weight:561.6 g/molRef: 3D-IF156830
Discontinued productDoxorubicin Impurity 15
CAS:Doxorubicin impurity 15 is a natural product that is used as an analytical reference standard in pharmacopoeia. It has been synthesized for use in drug development and research and development, and is available as a high-purity HPLC standard. Doxorubicin impurity 15 has a CAS number of 131086-18-5.
Formula:C31H38BrNO11Purity:Min. 95%Molecular weight:680.54 g/molRef: 3D-ID163220
Discontinued productAlpha-amino-4-octylbenzenebutanoic acid
CAS:Alpha-amino-4-octylbenzenebutanoic acid is an impurity standard for pharmacopoeia and drug development. It is a synthetic compound that has been shown to be a metabolite of the muscle relaxant succinylcholine. Alpha-amino-4-octylbenzenebutanoic acid is a high purity, custom synthesis material and can be used as a reference or calibration standard in analytical techniques such as HPLC.
Formula:C18H29NO2Purity:Min. 95%Molecular weight:291.40 g/molRef: 3D-WYA82019
Discontinued productLevofloxacin carboxylic acid
CAS:Levofloxacin is a synthetic molecule with an asymmetric carbon atom in its heterocycle. It is synthesized by reacting chloroform with 2-fluoro-5-nitrobenzaldehyde, which reacts further with sodium hydroxide and hydrochloric acid to form the levofloxacin carboxylic acid. Impurities can be found in the reaction product due to chlorine atoms that are formed during the synthesis. The amount of impurities present in the final product can be determined using a titration method or through HPLC analysis. Levofloxacin has been shown to be effective against methicillin-resistant Staphylococcus aureus (MRSA) and Clostridium perfringens, although is not active against acid-fast bacteria such as Mycobacterium tuberculosis or Mycobacterium avium complex.
Formula:C13H9F2NO4Purity:Min. 95%Color and Shape:PowderMolecular weight:281.21 g/molRef: 3D-IL24882
Discontinued productN-Formyl leurosine
CAS:N-Formyl leurosine is an inhibitor of fatty acid synthesis. It has been shown to inhibit the growth of solid tumours in mice and rats, but not in dogs. The mechanism by which N-formyl leurosine inhibits tumour growth is unknown. This compound is a formylating agent, which means that it can be used to form an aldehyde group from formaldehyde. This group has been implicated in the antitumour activity of N-formyl leurosine.
Formula:C46H54N4O10Purity:Min. 95%Molecular weight:822.94 g/molRef: 3D-IF23552
Discontinued productLysolecithin
CAS:Lysolecithin is an analog of the phospholipid lecithin that has been shown to have anticancer properties. It works by inhibiting kinases, which are enzymes that play a crucial role in cell signaling and regulation. Lysolecithin promotes apoptosis, or programmed cell death, in cancer cells, making it a promising medicinal agent for the treatment of tumors. Studies have also shown that lysolecithin can inhibit protein kinase activity in human urine and inhibit the growth of cancer cells in Chinese hamsters. This compound may prove to be a valuable tool in the development of kinase inhibitors for cancer therapy.
Formula:C24H50NO7PPurity:Min. 95%Molecular weight:495.6 g/molRef: 3D-PAA86327
Discontinued product6-Desmethyl-6-methylhydroxy etoricoxib N1-oxide
CAS:6-Desmethyl-6-methylhydroxy etoricoxib N1-oxide is a high purity drug product. It is an analytical standard used in the study of metabolism and in the development of drugs. This compound has been custom synthesized for use as an impurity standard for HPLC analysis of etoricoxib. 6DMHETO was synthesized to be used as a drug development research and development tool for the pharmaceutical industry, specifically for niche markets such as herbal supplements and dietary supplements.
Formula:C18H15ClN2O4SPurity:Min. 95%Molecular weight:390.80 g/molRef: 3D-VXA39408
Discontinued product6-o-Benzyl-4-dehydroxy-4-dimethylphenylsilyl entecavir
CAS:6-o-Benzyl-4-dehydroxy-4-dimethylphenylsilyl entecavir is a synthetic drug product with an API impurity. It's an analytical standard for the metabolite 6-o-benzylidene-4,6-didehydroentecavir (CAS 649761-24-0), which is a natural metabolite of entecavir. The impurity standard is used in research and development to study the drug product's metabolism and to ensure that it meets pharmacopeia standards.Formula:C27H31N5O2SiPurity:Min. 95%Molecular weight:485.7 g/molRef: 3D-ZAB76124
Discontinued productN-Desbispropyl-N-pentyl-2-methyl ropinirole
CAS:N-Desbispropyl-N-pentyl-2-methyl ropinirole is an analytical reference standard. This product is a high purity, drug development, and API impurity. It is a CAS No. 249622-60-4 and has a niche, drug product, and impurity standard. This item is for Research and Development, High purity, Drug development, API impurity, HPLC standard, CAS No. 249622-60-4, niche, drug product, Impurity standard, Metabolite, pharmacopoeia Custom synthesis of natural or synthetic origin.
Formula:C16H24N2OPurity:Min. 95%Molecular weight:260.37 g/molRef: 3D-ZJA62260
Discontinued producto-Desmethyl venlafaxine N-dimer
CAS:o-Desmethyl venlafaxine N-dimer is a metabolite of venlafaxine that has been identified in human plasma. It is a white to off-white crystalline powder with a melting point of about 175°C. The purity of the product is more than 98%. It is soluble in methanol and ethanol, but insoluble in water. The o-desmethyl venlafaxine N-dimer was developed as an analytical reference standard for use in HPLC analysis of venlafaxine and its metabolites and impurities.
Formula:C32H48N2O4Purity:Min. 95%Molecular weight:524.73 g/molRef: 3D-MXB54561
Discontinued productAlbendazole sulfone
CAS:Albendazole sulfone is a metabolite of the drug albendazole. It is used as an analytical standard to measure the concentration of albendazole in human plasma and urine samples. The concentration-time curve for albendazole sulfone can be determined using a nonlinear regression analysis, with the rate constant being calculated from the slope and intercept. This method has been shown to be accurate for predicting pharmacokinetic parameters in humans. Albendazole sulfone is also used as a probe in wastewater treatment studies, where it binds to colloidal gold particles that are used to visualize the removal of small particles by microorganisms.
Formula:C12H15N3O4SPurity:Min. 95 Area-%Color and Shape:PowderMolecular weight:297.33 g/molRef: 3D-IA17258
Discontinued productEsomeprazole Impurity Q
Esomeprazole Impurity Q is a drug product. It is an impurity standard of esomeprazole, CAS No. 131428-60-1, which is used in the development of drugs and as an analytical reagent. It is synthesized from natural materials and has a purity of 99%. The metabolite can be found in animal and human metabolism studies. Esomeprazole Impurity Q is used for niche purposes such as HPLC standards, analytical reagents, or pharmacopoeia reference substances.
Purity:Min. 95%(-)-Bornyl ferulate
CAS:Controlled Product(-)-Bornyl ferulate is a natural compound, specifically a type of ferulic acid ester, which is a secondary metabolite found in certain plants. Its source is primarily the essential oils and resins of various coniferous species, where it contributes to the plant's defense mechanisms. The mode of action of (-)-Bornyl ferulate involves its ability to scavenge free radicals, thus exhibiting antioxidant activity. It also modulates inflammatory pathways, suggesting possible anti-inflammatory effects.
Formula:C20H26O4Purity:Min. 95%Molecular weight:330.42 g/molRef: 3D-FCA51107
Discontinued product2-[[4-(2-Pyridylsulfamoyl)phenyl]azo]hydroxybenzene
CAS:2-[[4-(2-Pyridylsulfamoyl)phenyl]azo]hydroxybenzene is an impurity found in sulfasalazine. It is a metabolite that is formed by the P450 system in the liver. The metabolic process of 2-[[4-(2-Pyridylsulfamoyl)phenyl]azo]hydroxybenzene has been studied in detail and has been shown to be a major contributor to the pharmacokinetic profile of sulfasalazine. This substance also exhibits antimicrobial activity and inhibits the growth of bacteria, fungi, and viruses.
Formula:C17H14N4O3SPurity:Min. 95%Molecular weight:354.38 g/molRef: 3D-IP27340
Discontinued product4-Methanesulfonyloxybutanol
CAS:4-Methanesulfonyloxybutanol is a chemical substance with the molecular formula CH3SO2CH(CH2OH)CH2OH. It is used as an intermediate in the synthesis of 4-methanesulfonyloxybutanol, which is a potent inhibitor of busulfan-induced leukopenia and myelosuppression. This substance has been shown to be highly effective in preventing busulfan-induced side effects when administered intravenously. 4-Methanesulfonyloxybutanol is chemically synthesized by intramolecular alkylation of butanol, followed by hydrolysis. The reaction product can be detected using an ionization detector in conjunction with gas chromatography. This product is an alkylation agent that reacts with polypropylene to produce polypropylene glycols.
Formula:C5H12O4SPurity:Min. 95%Color and Shape:LiquidMolecular weight:168.21 g/molPirtenidine
CAS:Pirtenidine is a potent and selective kinase inhibitor that has been shown to inhibit the activity of cyclin-dependent kinases. It has demonstrated promising results in preclinical studies as an anticancer agent, inducing apoptosis in cancer cells. Pirtenidine is an analog of protein kinase inhibitors, which have been used to treat various types of tumors. It has been found to be effective against human cancer cell lines and has shown significant tumor growth inhibition in animal models. Pirtenidine has also been reported to be a potent urine inhibitor of Chinese hamster ovary cells, making it a promising candidate for the treatment of urinary tract cancers.
Formula:C21H38N2Purity:Min. 95%Molecular weight:318.5 g/molRef: 3D-DEA92327
Discontinued productN’-(4-Acetylaminophenyl)-N,N-dimethylacetamidine
CAS:N’-(4-Acetylaminophenyl)-N,N-dimethylacetamidine is a drug product that is used in the development of new drugs. It has high purity, analytical grade and natural origin. It is an impurity standard used in metabolite identification and research and development. The CAS number for this compound is 1358054-66-6.Formula:C12H17N3OPurity:Min. 95%Molecular weight:219.28 g/molRef: 3D-IEC05466
Discontinued product2-(4-Formylphenyl)propionic acid - Racemic
CAS:2-(4-Formylphenyl)propionic acid is a racemic mixture of 2-formylphenylacetic acid and 4-formylphenylacetic acid. This compound is used in the treatment of bacterial infections and inflammation. It is an organic solution that can be injected, administered orally, or applied topically. The 2-(4-formylphenyl)propionic acid has been shown to have anti-inflammatory properties, but also has side effects such as skin irritation when it is applied topically. This drug can also cause nausea, vomiting, and diarrhea when administered orally.
Formula:C10H10O3Purity:Min. 95%Color and Shape:White PowderMolecular weight:178.18 g/molRef: 3D-IF27430
Discontinued product1,4-Bis[(tetrahydro-2-furanyl)carbonyl]-piperazine
CAS:1,4-Bis[(tetrahydro-2-furanyl)carbonyl]-piperazine is a synthetic drug product. It is used as an analytical standard to help elucidate the metabolic pathway of drugs and their metabolites. This compound has been shown to be metabolized by various enzymes including CYP450, glutathione reductase, and esterases. It can also be synthesized from 1,4-dihydropyridine and 2-furancarboxaldehyde. The physical properties of 1,4-bis[(tetrahydro-2-furanyl)carbonyl]-piperazine are: white powder; mp 178°C; IR max 1710 cm−1 (CO); UV max 221 nm (EtOH). The impurities in this product are: 1-(2H)-Quinolinone (CAS No. 2467-94-1) which may have a maximum concentration
Formula:C14H22N2O4Purity:Min. 95%Molecular weight:282.34 g/mol(S)-3-((R)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid
CAS:(S)-3-((R)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid is a drug product of the drug development industry. It is a metabolite of 3-(1,2,4-triazol-1-ylmethyl)thiazolidine-4-carboxylic acid and has been used as an analytical standard for HPLC methods. The compound has been shown to be naturally occurring in humans. (S)-3-(1,2,4-Triazol-1ylmethyl)thiazolidine 4 carboxylic acid is also used as the impurity standard for the API 3-(1,2,4 triazol 1ylmethyl)thiazolidine 4 carboxylic acid.
Formula:C9H12N2O4SPurity:Min. 95%Molecular weight:244.27 g/molRef: 3D-IO145579
Discontinued productN-4,5[Acetylamino)methyl]desmopressin
N-4,5[Acetylamino)methyl]desmopressin is a synthetic drug product that is used as an analytical standard for the identification and quantitation of desmopressin in pharmaceutical preparations. It is also used as an impurity standard for HPLC analysis. This product has been synthesized using a custom synthesis process, and has been shown to be suitable for use in drug development and research and development. N-4,5[Acetylamino)methyl]desmopressin is also available as a high purity HPLC standard that meets pharmacopoeia requirements.
Purity:Min. 95%Regadenoson Impurity 28
CAS:Regadenoson Impurity 28 is an analytical standard and research and development impurity. It is a high-purity, synthetic, drug product impurity that can be used as a reference material for HPLC. This drug impurity is also available in a custom synthesis service. Regadenoson Impurity 28 is an API impurity that can be used in the development of drugs. It has been shown to have pharmacopoeia purity standards and niche applications. Regadenoson Impurity 28 is metabolized by cytochrome P450 enzymes to form active metabolites that are not active against the beta-1 adrenergic receptor in rat heart cells, but are active against the alpha 1 adrenergic receptor in rat vascular smooth muscle cells.
Formula:C10H14N6O3Purity:Min. 95%Molecular weight:266.26 g/molCPI 0610
CAS:CPI 0610 is a medicinal compound that acts as a potent inhibitor of protein phosphorylation. It has been shown to inhibit the cell cycle and promote apoptosis in Chinese hamster ovary cells. CPI 0610 is an effective inhibitor of kinase activity in cancer cells, leading to decreased tumor growth and increased survival rates. In preclinical studies, CPI 0610 has demonstrated efficacy against a wide range of cancers, including breast, prostate, and lung cancer. This inhibitor has also been shown to be effective in human cancer cell lines, making it a promising candidate for future cancer therapies.
Formula:C20H18ClN3O3Purity:Min. 95%Molecular weight:383.8 g/molRef: 3D-VYC72614
Discontinued productcis-Tadalafil
CAS:Cis-Tadalafil is a potent inhibitor of phosphodiesterase 5, which is used to treat erectile dysfunction (ED) and primary pulmonary hypertension (PPH). It works by increasing blood flow to the penis, allowing men with ED to achieve and maintain an erection. Cis-Tadalafil is also used to treat symptoms of prostatic hyperplasia (enlarged prostate) in men. This drug has been shown to be effective in treating PPH by reducing pulmonary arterial pressure and improving exercise capacity. Cis-Tadalafil belongs to the carboline class of drugs and is a phosphodiesterase 5 inhibitor that selectively inhibits cGMP-specific phosphodiesterase type 5 (PDE5). This drug has been shown to be highly effective in treating both ED and PPH with minimal side effects.
Formula:C22H19N3O4Purity:Min. 95%Color and Shape:White/Off-White SolidMolecular weight:389.4 g/mol
