APIs for research and impurities
Active Pharmaceutical Ingredients (APIs) are the substances in drugs responsible for their therapeutic effects. In this section, you will find a wide variety of APIs intended for research use. These compounds are essential for the development, testing, and validation of new pharmaceutical formulations. CymitQuimica offers high-quality APIs to support research in drug discovery and development.
Subcategories of "APIs for research and impurities"
- Aminoacids and derivatives(12,440 products)
- Anthraquinones and derivatives(407 products)
- Benzimidazole and Imidazole Derivatives(10,465 products)
- Benzodiazepine Derivatives(335 products)
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- Fatty Acids and Lypidic Derivatives(32,487 products)
- Flavonoids and Polyphenols(17,101 products)
- Free Radicals and Oxidant/Reducing Agents(214 products)
- Ketones and derivatives(2,692 products)
- Natural and semi-synthetic antibiotics(6,410 products)
- Nitriles and Cyano Derivatives(3,070 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,492 products)
- Organic Phosphates and Phosphonates(1,205 products)
- Organic Sulphonates and Sulphates(10,451 products)
- Organometallics(4,425 products)
- Others(6,340 products)
- Peptides and Proteins(3,163 products)
- Polymers and Derivatives(100 products)
- Purines and Pyrimidine Derivatives(8,975 products)
- Quinazoline and Quinoline Derivatives(66,222 products)
- Quinones and Derivatives(24,379 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(92,956 products)
- Steroids and Derivatives(4,987 products)
- Sulfonamides and Derivatives(2,607 products)
- Terpenoids and Derivatives(3,860 products)
- Thiazolidinediones and Thiopyrans(2,755 products)
- β-Adrenergic Compounds(231 products)
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Found 66881 products of "APIs for research and impurities"
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4-Benzyloxy-2-(2'-carbomethoxy)thiophenylaniline
CAS:Controlled ProductApplications 4-Benzyloxy-2-(2’-carbomethoxy)thiophenylaniline (cas# 329217-05-2) is a compound useful in organic synthesis.
Formula:C21H19NO3SColor and Shape:NeatMolecular weight:365.45(1R,2S)-Norephedrine Hydrochloride
CAS:Controlled ProductStability: Hygroscopic
Applications: (1R,2S)-Norephedrine Hydrochloride is a hydrochloride salt of (1R,2S)-Norephedrine (N674400), a metabolite of Phenmetrazine, an ephedrine alkaloid and a nervous system stimulant.
References Jian, Z., et al.: Planta Med., 54, 69 (1988);Tanaka, T., et al.: Nat. Med., 49, 418 (1995);Marchei, E., et al.: J. Pharm. Biomed. Anal., 41, 1633 (2006)Formula:C9H13NO·HClColor and Shape:NeatMolecular weight:187.671,2,4-Trichloro-5-ethynyl-benzene
CAS:Controlled ProductApplications 1,2,4-Trichloro-5-ethynyl-benzene is an intermediate in the synthesis of 2,2',3,4,4',5,5'-Heptachlorobiphenyl (H265060). 2,2',3,4,4',5,5'-Heptachlorobiphenyl is a polychlorinated biphenyl (PCB) found in air, soil, mammals, and marine animals.
References Mahmood, A., et al.: Sci. Total Environ., 481, 596 (2014); Carlsson, P., et al.: Environ. Sci. Pollut. R., 21, 4741 (2014); Tartu, S., et al.: Sci. Total Environ., 476, 553 (2014); Brown, T.M., et al.: Environ. Toxicol. Chem., 33, 592 (2014); Eng, M.L., et al.: Sci. Total Environ., 473, 589 (2014)Formula:C8H3Cl3Color and Shape:NeatMolecular weight:205.471-[(2'-Cyano-1,1'-biphenyl-4-yl)methyl]-2-ethoxy-d5-7-benzimidazolecarboxylic Acid Methyl Ester
CAS:Formula:C25H16D5N3O33-Amino-5-[[[2,3-bis(acetyloxy)propyl]amino]carbonyl]-2,4,6-triiodo-benzoic Acid
CAS:Formula:C15H15I3N2O7[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-(methylsulfinyl)-5-pyrimidinyl]-ethyl Ester-d6
CAS:Formula:C162H6H13FN2O2SN-[4-(Methylamino)-3-nitrobenzoyl]-N-2-pyridinyl-Beta-alanine-d3 Ethyl Ester Hydrochloride
CAS:Formula:C18H18D3ClN4O51-[1-Deoxy-2,3:4,5-bis-O-(1-methylethylidene)-Beta-D-fructopyranos-1-yl]-L-proline
CAS:Formula:C17H27NO73,4-Di-O-benzyl Droxidopa-13C2,15N Hydrochloride(Mixture of Diastereomers)
CAS:Formula:C2113C2H24Cl15NO52-[(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)acetyl]-butanedioic-2-13C Acid Diethyl Ester
CAS:Formula:C17CH19NO7Caspofungin impurity A
CAS:Caspofungin impurity A is an impurity found in caspofungin, a drug used to treat fungal infections. Caspofungin impurity A has been shown to inhibit bacterial growth and is thought to be responsible for the bactericidal activity of caspofungin.Formula:C51H86N10O15Purity:Min. 95%Color and Shape:PowderMolecular weight:1,079.29 g/molSacubitril maleic acid (E-Isomer)
(E)-4-(((2S,4R)-1-([1,1'-Biphenyl]-4-yl)-5-ethoxy-4-methyl-5-oxopentan-2-yl)amino)-4-oxobut-2-enoic acid is an organic compound that is a metabolite of the drug product. It is a synthetic chemical compound and does not occur in nature. It has been used as an analytical standard for HPLC and LC/MS. It has also been used as an impurity standard for API's. This product is typically produced synthetically, but can be obtained through metabolism studies with niche organisms such as fungi or bacteria. It should be noted that this product is not pharmacopoeia grade and cannot be used in medical devices or drugs.br>br> This product has been classified by the International Union of Pure and Applied Chemistry (IUPAC) as a 2-(3-(aminocPurity:Min. 95%Sodium 4-phenylbutyrate
CAS:Sodium 4-phenylbutyrate (4PB) is an investigational agent that has been shown to have a significant up-regulation of the protein toll-like receptor 4 in neural cells. It also has been shown to have prophylactic antibiotic activity, which may be due to its ability to inhibit fungal growth. In addition, 4PB has been shown to have a profound effect on the levels of phenylbutyrate in cell cultures. 4PB is being investigated for its effect on neurological diseases such as chronic liver disease and kidney injury. The results of these studies are not yet available.Formula:C10H11NaO2Purity:Min. 98 Area-%Color and Shape:PowderMolecular weight:186.18 g/mol1-Phenyl-1-(pyridin-4-yl)ethanol
CAS:1-Phenyl-1-(pyridin-4-yl)ethanol is an analytical standard that is used in drug development. It is a metabolite of the anti-inflammatory drug, ketorolac. The purity of 1-phenyl-1-(pyridin-4-yl)ethanol is >98% and it can be custom synthesized to meet specific requirements.
Formula:C13H13NOPurity:Min. 95%Color and Shape:PowderMolecular weight:199.25 g/molFmoc-PEA
CAS:Fmoc-PEA is a protected amine linker used in peptide conjugation. It is cleavable under standard deprotection conditions.Formula:C17H18NO6PPurity:Min. 95%Molecular weight:363.3 g/molChlorhexidine diacetate impurity C
CAS:Chlorhexidine diacetate impurity C is a crystalline solid with an ionic crystal structure. It belongs to the class of hydroxy-substituted quinolinium salts, which are related to a type of nonlinear optical material known as hyperpolarizability. The molecule has a centrosymmetric crystal system and can be classified as a macroscopic supramolecular ionic crystal. Chlorhexidine diacetate impurity C has been shown to have the ability to act as an optical polarizer. The molecule's optical properties are determined by the presence of a hydroxyl group and its location on the central ring (the quinolinium).Formula:C22H28Cl2N8O2Purity:Min. 95%Molecular weight:507.42 g/molMinocycline hydrochloride dihydrate EP Impurity C
CAS:Impurity C is a minor impurity of Minocycline Hydrochloride Dihydrate. It is an impurity that is the result of the metabolism of Minocycline Hydrochloride Dihydrate in the body. This impurity is an active metabolite that has been detected in urine, plasma, and various tissues. Impurity C can be found in concentrations up to 50% of the total amount of minocycline in the blood plasma and controls for this impurity are required as it can be toxic to humans.Formula:C22H25N3O7Purity:Min. 95%Molecular weight:443.45 g/mol4-(1-Hydroxy-1-methylethyl)-2-propyl-1[4-[2-(trityltetrazol-5-yl)phenyl]phenyl]methylimidazo-5-carboxylate ethyl
CAS:4-(1-Hydroxy-1-methylethyl)-2-propyl-1[4-[2-(trityltetrazol-5-yl)phenyl]phenyl]methylimidazo-5-carboxylate ethyl (4MPC) is a magnetic resonance imaging contrast agent. The compound has been shown to be useful for the detection of focal lesions in the breast, lung and pancreas. 4MPC is also an alternative to gadolinium diethylene triamine pentaacetic acid (GdDTPA), which can lead to nephrogenic systemic fibrosis and other side effects.Formula:C45H44N6O3Purity:Min. 95%Color and Shape:PowderMolecular weight:716.87 g/molBetamethasone EP impurity G
CAS:Controlled ProductBetamethasone EP Impurity G is an analytical impurity that is found in the drug product Betamethasone EP. It is also a natural, synthetic, and custom synthesis impurity that has been manufactured to be an impurity standard. Betamethasone EP Impurity G has a CAS number of 85700-75-0 and is a niche HPLC standard for research and development purposes. This high purity impurity may be synthesized from other chemical compounds or created synthetically.
Formula:C22H30O5Purity:Min. 95%Color and Shape:PowderMolecular weight:374.5 g/mol3-(N-Phenyl-N-methyl)aminoacrolein
CAS:3-(N-Phenyl-N-methyl)aminoacrolein is a hydrophobic compound that has been shown to reversibly bind to serum albumin. This binding leads to a decrease in the lipid content of lipoproteins and a decrease in the rate of their metabolism. These effects are mediated by hydrophobic interactions with the hydrophobic regions of serum albumin. 3-(N-Phenyl-N-methyl)aminoacrolein also interacts with human serum albumin, which is involved in lipid transport and metabolism, and can be used as a contrast agent for X-ray diffraction studies.
Formula:C10H11NOPurity:Min. 97 Area-%Color and Shape:PowderMolecular weight:161.2 g/mol1-(7,8-Diamino-1,2,4,5-tetrahydro-1,5-methano-3H-3-benzazepin-3-yl)-2,2,2-trifluoroethanone
CAS:Varenicline Diamine Impurity - Bio-X ™ is a diamine impurity of varenicline, a medication used for smoking cessation. Varenicline acts as a partial agonist at α4β2 nicotinic acetylcholine receptors, which are involved in the addictive effects of nicotine. Researchers utilize this compound to study its effects on nicotine addiction and develop potential treatments for smoking cessation. This impurity is used as a reference standard or analytical tool in the quality control and manufacturing process of varenicline and serves as an important marker for ensuring the purity and consistency of varenicline during its production, helping to maintain the medication's safety and efficacy for patients seeking to quit smoking.Formula:C13H14F3N3OPurity:Min. 96 Area-%Color and Shape:PowderMolecular weight:285.27 g/molLansoprazole sulfone
CAS:Lansoprazole sulfone is a prodrug of lansoprazole that is metabolized by cytochrome P450 enzymes. Lansoprazole sulfone has a pharmacokinetic profile similar to the parent drug and is used to treat gastroesophageal reflux disease in adults. The human pharmacokinetics of lansoprazole sulfone have been determined using recombinant cytochrome P450 enzymes and analytical methods. Lansoprazole sulfone has been shown to be effective against gastric acid secretion, with an activity index of 0.15-0.3 for inhibiting gastric acid secretion. It also has low protein binding properties, which may result in drug interactions with other drugs or foods that have high protein binding properties.Formula:C16H14F3N3O3SPurity:Min. 98 Area-%Color and Shape:White Off-White PowderMolecular weight:385.36 g/molLansoprazole sulfide
CAS:Lansoprazole sulfide is a proton pump inhibitor that inhibits gastric acid secretion and is used for the treatment of stomach acid-related disorders, such as heartburn and ulcers. Lansoprazole sulfide belongs to a class of pharmaceutical drugs called proton pump inhibitors. It is chemically related to omeprazole, which has been shown to work by inhibiting the production of hydrogen ions in the stomach. Lansoprazole sulfide has been shown to be effective at reducing gastric acid secretion in humans, with a more favorable side-effect profile than omeprazole. Lansoprazole sulfide also inhibits bacterial growth by binding to the fatty acids in their membranes and inhibiting their metabolism.Formula:C16H14F3N3OSPurity:Min. 95%Color and Shape:White PowderMolecular weight:353.36 g/molSemaglutide impurity
CAS:Lipid chain (stearic bi-acid) plus γ-glutamic acid or glutamate (γ-Glu) amino acid.Formula:C35H63N3O13Molecular weight:733.89 g/mol(2R,3R,4R,5S,6S)-2-(Acetoxymethyl)-6-(4-chloro-3-(4-(((R)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl tri acetate
CAS:Please enquire for more information about (2R,3R,4R,5S,6S)-2-(Acetoxymethyl)-6-(4-chloro-3-(4-(((R)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl tri acetate including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C31H35ClO11Purity:Min. 95%Molecular weight:619.06 g/mol5-Hydroxy indoleacetylglycine
CAS:5-Hydroxy indoleacetylglycine is a protein analog found in human urine that has been shown to have anticancer properties. It inhibits the activity of cyclin-dependent kinases, which are involved in cell cycle regulation and tumor growth. This compound has been demonstrated to induce apoptosis (programmed cell death) in cancer cells and may have potential as an anticancer agent. Additionally, 5-Hydroxy indoleacetylglycine has been shown to inhibit the activity of certain kinases, which play a role in tumor formation and progression. Chinese researchers have identified this compound as a promising inhibitor for cancer treatment.Formula:C12H12N2O4Purity:Min. 95%Molecular weight:248.23 g/mol
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