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"
- Alkaloids
- Aminoacids and derivatives
- Anthraquinones and derivatives
- Benzimidazole and Imidazole Derivatives
- Benzodiazepine Derivatives
- Carbohydrates and glycoconjugates
- Esters and Derivatives
- Fatty Acids and Lypidic Derivatives
- Flavonoids and Polyphenols
- Free Radicals and Oxidant/Reducing Agents
- Ketones and derivatives
- Natural and semi-synthetic antibiotics
- Nitriles and Cyano Derivatives
- Nitrosamines and Derivatives
- Nucleosides and Nucleotides
- Organic Phosphates and Phosphonates
- Organic Sulphonates and Sulphates
- Organometallics
- Others
- Peptides and Proteins
- Polymers and Derivatives
- Purines and Pyrimidine Derivatives
- Quinazoline and Quinoline Derivatives
- Quinones and Derivatives
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)
- Steroids and Derivatives
- Sulfonamides and Derivatives
- Terpenoids and Derivatives
- Thiazolidinediones and Thiopyrans
- β-Adrenergic Compounds
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Products of "APIs for research and impurities"
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Pregabalin Impurity 26
CAS:Formula:C8H13NO2Color and Shape:Colorless Semi-SolidMolecular weight:155.20Fluvoxamine EP Impurity A Maleate
CAS:Formula:C14H19F3N2O·C4H4O4Color and Shape:White To Off-White SolidMolecular weight:288.31 116.072-Butenoic acid, 4-hydroxy-, (2E)-
CAS:Formula:C4H6O3Purity:95%Color and Shape:SolidMolecular weight:102.0886N-(4-Aminobenzoyl)-β-alanine
CAS:Formula:C10H12N2O3Purity:98%Color and Shape:SolidMolecular weight:208.21388000000005Daidzein
CAS:Formula:C15H10O4Purity:≥ 98.0%Color and Shape:White to off-white crystalline powderMolecular weight:254.24Norepinephrine Impurity 10 HCl
CAS:Formula:C2H6N2O·HClColor and Shape:White To Off-White SolidMolecular weight:74.08 36.46Prucalopride Hydroxy Impurity
CAS:Formula:C18H26ClN3O4Color and Shape:White To Off-White SolidMolecular weight:383.88N2-Methyl alfuzosin-D7 hydrochloride
CAS:N2-Methyl alfuzosin-D7 is a drug product that belongs to the group of alfuzosin, which is a selective inhibitor of the enzyme phosphodiesterase type 5 (PDE5) and is used for the treatment of benign prostatic hyperplasia. It has been designed to reduce the risk of adverse effects associated with other PDE5 inhibitors, such as erectile dysfunction and urinary retention. N2-Methyl alfuzosin-D7 has been shown to be effective in animal studies and in vitro experiments. However, its metabolism remains unknown.Formula:C19H21D7ClN5O4Purity:Min. 95%Molecular weight:432.95 g/molGlycine,(2R,3R)-2-[(dichloroacetyl)amino]-3-hydroxy-3-[4-(methylsulfonyl)phenyl]propyl ester, monohydrochloride
CAS:Formula:C14H19Cl3N2O6SPurity:98%Color and Shape:SolidMolecular weight:449.734459999999961,1-Bis-(methylthio)-2-nitroethene
CAS:1,1-Bis-(methylthio)-2-nitroethene is a versatile molecule that can be used as an imine. It is synthesized by reacting trifluoromethanesulfonic acid with the amine in the presence of a base. The imine product has been shown to bind to amines and is therefore a potential drug candidate for prostate cancer cells. 1,1-Bis-(methylthio)-2-nitroethene reacts with triflic acid to produce an intramolecular hydrogen bond, leading to its efficient synthesis. The resulting compound then undergoes reactions that are characterized by nmr spectra and profiles. This functional group is inhibitory against prostate cancer cell lines at high concentrations, although it has no effect on other cell lines.Formula:C4H7NO2S2Purity:Min. 95%Molecular weight:165.24 g/mol5-Chloro-6-nitrobenzo[c][1,2,5]thiadiazole
CAS:Formula:C6H2ClN3O2SPurity:≥95%Color and Shape:SolidMolecular weight:215.617Montelukast impurity I
CAS:Montelukast impurity I is an impurity found in the drug product, Montelukast. It is a natural substance and is produced as a result of metabolism studies. The chemical name for this impurity is 3-hydroxy-4-(2-methylpropyl)-5-(4-methoxyphenyl)pentanoic acid. This impurity can be used as an analytical standard and can be synthesized for use in pharmacopoeia. This compound has not been shown to have any therapeutic effects on humans or animals. This impurity has been shown to cause nausea, vomiting, and diarrhea in some patients.Formula:C35H36ClNO4SPurity:Min. 95%Molecular weight:602.18 g/molCarbamic acid, N-6-quinolinyl-, 2,5-dioxo-1-pyrrolidinyl ester
CAS:Formula:C14H11N3O4Purity:95%Color and Shape:SolidMolecular weight:285.25482,6-Dichloro-4-8-di(piperidin-1-yl) pyrimido[5,4-d] pyrimidine (DDH)
CAS:Formula:C16H20Cl2N6Purity:97%Color and Shape:SolidMolecular weight:367.2761999999999Mirtazapine EP Impurity A (Mirtazapine N-Oxide) (Mixture of Diastereomers)
CAS:Formula:C17H19N3OColor and Shape:White To Off-White SolidMolecular weight:281.365,6-Orthoquinone Primaquine-d6 Hydrobromide (~85%)
CAS:Controlled ProductFormula:C14H11D6N3O2•x(HBr)Purity:~85%Color and Shape:NeatMolecular weight:265.3480912-((4-Nitrophenyl)amino)-2-oxoacetic acid
CAS:Formula:C8H6N2O5Purity:98%Color and Shape:SolidMolecular weight:210.1436Vilanterol Impurity 12 Triphenylacetate
CAS:Formula:C26H37Cl2NO5·C20H16O2Color and Shape:White To Off-White SolidMolecular weight:514.49 288.35Vardenafil EP Impurity B
CAS:Formula:C17H20N4O5SColor and Shape:White To Off-White SolidMolecular weight:392.43N1,N2-Bis[2-(diethylamino)ethyl]ethanediamide
CAS:Please enquire for more information about N1,N2-Bis[2-(diethylamino)ethyl]ethanediamide including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C14H30N4O2Purity:Min. 95%Molecular weight:286.41 g/mol[5-[(Dimethylamino)methyl]furan-2-yl]methanethiol, oxalate
CAS:5-[(Dimethylamino)methyl]furan-2-yl]methanethiol, oxalate is a chemical compound with the molecular formula of C4H8O2S. It is a colorless to pale yellow liquid that is soluble in water and ethanol. This product is used as an impurity standard for HPLC analysis of drugs and as a synthetic intermediate in the drug development process. 5-[(Dimethylamino)methyl]furan-2-yl]methanethiol, oxalate can be synthesized from furfuryl alcohol and methylamine under mild conditions. The purity of this product can be determined by HPLC analysis or GCMS analysis.Formula:C8H13NOS·C2H2O4Purity:Min. 95%Molecular weight:261.3 g/mol1,2-Dichloro-3-methylbenzene
CAS:Formula:C7H6Cl2Purity:98%Color and Shape:LiquidMolecular weight:161.0285Hydrocortisone 17-valerate 21-acetate
CAS:Controlled ProductPlease enquire for more information about Hydrocortisone 17-valerate 21-acetate including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C28H40O7Purity:Min. 95%Molecular weight:488.6 g/molD-Glucopyranose, 2-(acetylamino)-2-deoxy-, 1,3,4,6-tetraacetate
CAS:Formula:C16H23NO10Purity:95%Color and Shape:SolidMolecular weight:389.3545Tirofiban hydrochloride monohydrate
CAS:Formula:C22H39ClN2O6SPurity:98%Color and Shape:SolidMolecular weight:495.07296-Hydroxy-2-phenylchroman-4-one
CAS:Formula:C15H12O3Purity:97%Color and Shape:SolidMolecular weight:240.2544-Chloro-2-hydrazinylbenzoic acid methyl ester
CAS:Please enquire for more information about 4-Chloro-2-hydrazinylbenzoic acid methyl ester including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C8H9ClN2O2Purity:Min. 95%Molecular weight:200.62 g/mol((3aR,4R,6R,6aR)-6-((E)-4-(Hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl isobutyrate
CAS:Formula:C16H23N3O7Purity:99%Color and Shape:SolidMolecular weight:369.3697Cefalexin EP Impurity F Trifluoroacetate (Cephalexin USP Related Compound F Trifluoroacetate)
CAS:Formula:C16H17N3O4S·C2HF3O2Color and Shape:White To Off-White SolidMolecular weight:347.39 114.02Allopurinol impurity E
CAS:This product is a synthetic impurity of Allopurinol. It is a cyclization reaction product of dimethylhydrazine and allopurinol in the presence of an organic solvent such as DMF.Formula:C7H9N3O3Purity:Min. 95%Molecular weight:183.16 g/molLoxapine Impurity 3-d8 Iodide
Formula:C19H13D8ClN3O·IColor and Shape:Off-White SolidMolecular weight:350.90 126.91Solanesol 35-(Bistrideuteromethyl)
CAS:Controlled ProductFormula:C45H68D6OColor and Shape:NeatMolecular weight:637.11Butobarbital
CAS:Controlled ProductApplications Butobarbital is a barbiturate derivative that is used as a hypnotic agent with sedative and anticonvulsant properties. Butobarbital is a Controlled Substance. References Sitsen, J.M.A. et al.: Pharmac. Week., 109, 1 (1974); Adams, R.G.: Psychopharmacologia, 40, 185 (1974);Formula:C10H16N2O3Color and Shape:White SolidMolecular weight:212.25Roxithromycin EP Impurity F
CAS:Formula:C40H74N2O15Color and Shape:White To Off-White SolidMolecular weight:823.03Tulobuterol Impurity 2
CAS:Formula:C8H8BrClOColor and Shape:White To Off-White SolidMolecular weight:235.511H-Pyrazole-5-carboxylic acid, 1-methyl-4-nitro-3-propyl-
CAS:Formula:C8H11N3O4Purity:%Color and Shape:SolidMolecular weight:213.1906Morazone
CAS:Controlled ProductApplications Morazone is a non-steroidal anti-inflammatory drug (NSAID). Morazone has analgesic activity and is metabolized into Phenmetrazibe (P314500). Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package References Mrongovius, R. et al.: Eur. J. Med. Chem., 19, 161 (1984); Neugebauer, M.: J. Pharmac. Biomed. Anal., 2, 53 (1984); Cui, J.F. et al.: Yaoz. Xueb., 25, 632 (1990);Formula:C23H27N3O2Color and Shape:NeatMolecular weight:377.48Cyclohexanecarboxylic acid, 3-amino-, (1S-cis)- (9CI)
CAS:Formula:C7H13NO2Purity:98%Color and Shape:SolidMolecular weight:143.1836Rizatriptan benzoate
CAS:Formula:C15H19N5·C7H6O2Purity:≤ 0.5%Color and Shape:White or almost white powderMolecular weight:391.47Estriol trisulfate-ammonium salt
CAS:Please enquire for more information about Estriol trisulfate-ammonium salt including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C18H24O12S3Purity:Min. 95%Molecular weight:528.6 g/mol3-(3-(Trifluoromethl)phenyl-N-(R)-1-(naphthalen-1-yl)ethyl)prop-2-en-1-amine
CAS:3-(3-(Trifluoromethl)phenyl-N-(R)-1-(naphthalen-1-yl)ethyl)prop-2-en-1-amine is a synthetic compound, which is not found in nature. It is an API impurity and a metabolite of the drug product. It can be synthesized in high purity and with a custom synthesis. 3-(3-(Trifluoromethl)phenyl-N-(R)-1-(naphthalen-1-yl)ethyl)prop-2-en-1-amine has been found to be involved in metabolism studies and research and development, as well as analytical purposes. This compound can also serve as an impurity standard for HPLC analysis.Formula:C22H20F3N·HClPurity:Min. 95%Color and Shape:White To Off-White SolidMolecular weight:391.86 g/molCefoperazone EP Impurity F
CAS:Formula:C25H27N9O8S2Color and Shape:White To Off-White SolidMolecular weight:645.67Lopinavir EP Impurity O
Formula:C46H62N6O7Color and Shape:White To Off-White SolidMolecular weight:811.04Cefdinir impurity H
Cefdinir impurity H is a metabolite of the drug cefdinir. It is an impurity in the drug product that was discovered during research and development of cefdinir. Cefdinir impurity H has a CAS number, which indicates that it is a drug product. It also has high purity and can be used for analytical purposes or as a metabolism study standard. Metabolism studies have been conducted on this compound to determine its pharmacological effects. This metabolite is not natural, but synthetic and may be considered a niche compound due to its limited use in research and development.br> This impurity may be found in the form of an HPLC standard and can be used for developing new drugs against bacterial infections such as tuberculosis, which are caused by Mycobacterium tuberculosis.br>br>Formula:C14H15N5O6S2Purity:Min. 95%Molecular weight:413.43 g/molHarmol
CAS:Formula:C12H10N2OPurity:(Titration) ≥ 98.0%Color and Shape:Light yellow to yellow-orange or green crystalline powderMolecular weight:198.229-[[2-(acetyloxy)-1-(hydroxymethyl)ethoxy]methyl]-2-amino-1,9-dihydro-6h-purin-6-one
CAS:Formula:C11H15N5O5Purity:97%Color and Shape:SolidMolecular weight:297.2673Spiro[9,4-(epoxypentadeca[1,11,13]trienimino)-2H-furo[2',3':7,8]naphth[1,2-d]imidazole-2,4'-piperidine]-5,10,26(3H,9H)-trione,16-(acetyloxy)-6,18,20-trihydroxy-14-methoxy-7,9,15,17,19,21,25-heptamethyl-1'-(2-methylpropyl)-,[9S-(9R*,12E,14R*,15S*,16R*,17S*,18S*,19S*,20R*,21R*,22E,24Z)]-
CAS:Formula:C46H62N4O11Purity:97%Color and Shape:SolidMolecular weight:847.0047Felodipine EP Impurity A N-Oxide (Felodipine USP Related Compound A N-Oxide)
Formula:C18H17Cl2NO5Molecular weight:398.24Diclomezin
CAS:Please enquire for more information about Diclomezin including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C11H8Cl2N2OPurity:Min. 95%Molecular weight:255.1 g/molMometasone Furoate EP Impurity O
CAS:Formula:C24H31ClO6Color and Shape:White To Off-White SolidMolecular weight:450.961H-Pyrrolizin-1-one, 5-benzoyl-2,3-dihydro-
CAS:Formula:C14H11NO2Purity:95%Color and Shape:SolidMolecular weight:225.2426Lornoxicam-d4
CAS:Controlled ProductApplications Labelled Lornoxicam. Cyclooxygenase inhibitor; structurally similar to tenoxicam. Anti-inflammatory; analgesic. Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package References Ankier, S.I., et al.: Postgrad. Med. J., 64, 752 (1988), Tricerri, M., et al.: Chem. Phys. Lipids, 71, 61 (1994), Santos, N., et al.: Biochemistry, 37, 8674 (1998), Pellicano, A., et al.: Infect. Immun., 75, 1738 (2007),Formula:C132H4H6ClN3O4S2Color and Shape:NeatMolecular weight:375.84Benzene, 1-bromo-4-[(1-methylethoxy)methyl]-
CAS:Formula:C10H13BrOPurity:95%Color and Shape:LiquidMolecular weight:229.1136(1R,4S)-1,7,7-Trimethylbicyclo[2.2.1]heptane-2,3-dione
CAS:Formula:C10H14O2Purity:96%Color and Shape:SolidMolecular weight:166.217Althiazide
CAS:Applications Diuretic and antihypertensive. References Twagirumukiza, M., et al.: Trop. Med. Int. Health, 15, 350 (2010), Gohil, V., et al.: Nat. Biotechnol., 28, 249 (2010), Peters, R., et al.: Anal. Bioanal. Chem., 396, 2583 (2010),Formula:C11H14ClN3O4S3Color and Shape:NeatMolecular weight:383.893-Hydroxy-4-nitrobenzoic acid
CAS:Formula:C7H5NO5Purity:98%Color and Shape:SolidMolecular weight:183.1183Nitecapone
CAS:Controlled ProductApplications Inhibitor for the treatment of Parkinson's disease. Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package References Biggs, S., et al.: Eur. J. Pharmacol., 299, 83 (1996), Mannisto, P., et al.: Pharmacol. Rev., 51(4), 593 (1999), Fisher, A., et al.: Neuroscience, 95(1), 97 (2000),Formula:C12H11NO6Color and Shape:NeatMolecular weight:265.221-Propanone, 1-(2,4-difluorophenyl)-2-[(tetrahydro-2H-pyran-2-yl)oxy]-, (2R)-
CAS:Formula:C14H16F2O3Purity:97%Color and Shape:LiquidMolecular weight:270.2718Des(methylpiperazinyl) imatinib dimer piperazinium chloride
CAS:Please enquire for more information about Des(methylpiperazinyl) imatinib dimer piperazinium chloride including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C53H51N12O2Purity:Min. 95%Molecular weight:888 g/molAztreonam Impurity 18 DiHCl
Formula:C15H23N5O6S·2HClColor and Shape:White To Off-White SolidMolecular weight:401.44 2*36.46Etoricoxib Impurity 29
CAS:Formula:C8H9NO2Color and Shape:White To Off-White SolidMolecular weight:151.172-Amino-3-(4-hydroxy-3-methoxyphenyl)propanoic acid hydrochloride
CAS:Formula:C10H14ClNO4Purity:98%Color and Shape:SolidMolecular weight:247.67546000000002Nitromifene citrate
CAS:Nitromifene citrate is a nonsteroidal drug that inhibits the enzyme fatty acid synthase, thereby preventing the production of prostaglandins. It has been shown to inhibit tumor growth in mice and to be effective against autoimmune diseases, such as rheumatoid arthritis and multiple sclerosis. Nitromifene citrate also binds to neurokinin-1 receptor and inhibits tissue culture granulosa cells. This drug has been shown to have clinical significance in the treatment of breast cancer. Nitromifene citrate is metabolized by the liver and is taken up into the brain where it can affect brain functions, such as emotional behavior or memory. Nitromifene citrate is synthesized by cultured cells in vitro and has been used for research purposes in vivo.Formula:C33H36N2O11Purity:Min. 95%Molecular weight:636.6 g/mol1,1-Bis(p-isobutylphenyl)ethane
CAS:1,1-Bis(p-isobutylphenyl)ethane is an acid catalyst that can be used in the synthesis of alkyl esters. It is unreactive at high temperatures and can be reused many times. 1,1-Bis(p-isobutylphenyl)ethane is also a component of catalytic carbonylation reactions. It reacts with acetaldehyde to form a metal carbonyl complex, which then reacts with a carbon monoxide molecule to form an ester. Carbonylation reactions are often used to synthesize organic compounds from alkyl halides or alcohols. Carbonylation reactions are catalyzed by metal carbonyls, such as palladium and nickel complexes.Formula:C22H30Purity:Min. 95%Molecular weight:294.47 g/molCalcifediol EP Impurity D
CAS:Formula:C27H44O2Color and Shape:White To Off-White SolidMolecular weight:400.655H-Benzo[b]carbazole-3-carbonitrile, 9-ethyl-6,11-dihydro-6,6-dimethyl-8-[4-(4-morpholinyl)-1-piperidinyl]-11-oxo-
CAS:Formula:C30H34N4O2Purity:98%Color and Shape:SolidMolecular weight:482.6166Azilsartan Impurity 57
Formula:C17H17N5O3Color and Shape:White To Off-White SolidMolecular weight:339.362-Butyl-3-(3,5-Diiodo-4-hydroxy benzoyl) benzofuran
CAS:Formula:C19H16I2O3Purity:98%Color and Shape:SolidMolecular weight:546.1375Dexamethasone EP Impurity F
CAS:Formula:C22H29FO4Color and Shape:White To Off-White SolidMolecular weight:376.47Propafenone EP/BP/USP Impurity C
CAS:Formula:C18H18O3Color and Shape:White To Off-White SolidMolecular weight:282.34Flupentixol Impurity 1
CAS:Formula:C17H13F3OSColor and Shape:White To Off-White SolidMolecular weight:322.35Remdesivir Impurity 8
Formula:C30H39N6O8PColor and Shape:White To Off-White SolidMolecular weight:642.65Mezlocillin impurity III
CAS:Please enquire for more information about Mezlocillin impurity III including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C13H15N3O6SPurity:Min. 95%Molecular weight:341.34 g/molDantrolene sodium salt
CAS:Formula:C14H9N4NaO5·xH2OPurity:≥ 98.0% (anhydrous basis)Color and Shape:Orange to dark orange crystalline powderMolecular weight:336.23 (anhydrous)Ref: 4Z-M-1612
Discontinued product
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