
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
Show 22 more subcategories
Products of "APIs for research and impurities"
Sort by
Dabigatran Impurity 75
CAS:Formula:C26H33N5O4Color and Shape:White To Off-White SolidMolecular weight:479.58Azilsartan Impurity 43
CAS:Formula:C23H16N4O5Color and Shape:White To Off-White SolidMolecular weight:428.40Valsartan Impurity 5
CAS:Formula:C19H21N5OColor and Shape:White To Off-White SolidMolecular weight:335.41Desogestrel EP Impurity C (Desogestrel USP Related Compound D)
CAS:Formula:C20H28OColor and Shape:White To Off-White SolidMolecular weight:284.44Sitagliptin monohydrochloride monohydrate
CAS:Please enquire for more information about Sitagliptin monohydrochloride monohydrate including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C16H18ClF6N5O2Purity:Min. 95%Color and Shape:PowderMolecular weight:461.79 g/molN-((3R,4R)-1-benzyl-4-Methylpiperidin-3-yl)-2-chloro-N-Methyl-7H-pyrrolo[2,3-d]pyriMidin-4-aMine
CAS:Formula:C20H24ClN5Purity:%Color and Shape:SolidMolecular weight:369.8910599999999Pregn-4-ene-7,21-dicarboxylic acid, 11,17-dihydroxy-3-oxo-, γ-lactone, methyl ester, (7α,11α,17α)-
CAS:Formula:C24H32O6Purity:97%Color and Shape:SolidMolecular weight:416.50728Lidocaine Impurity 6 HCl
CAS:Formula:C14H22N2O·HClColor and Shape:White To Off-White SolidMolecular weight:234.34 36.46N-[4-Amido-3-(trifluoromethyl)phenyl-3-[(4-fluorophenyl)sulphinyl]-2-hydroxy-2-methylpropanamide
CAS:This drug product is a custom synthesis, CAS No. 2200280-97-1, drug development, Metabolite, Synthetic, Impurity standard, Metabolism studies, API impurity, Natural (pharmacopoeia), analytical (HPLC standard), Research and Development (High purity). It is a metabolite of the drug N-[4-amido-3-(trifluoromethyl)phenyl-3-[(4-fluorophenyl)sulphinyl]-2-hydroxy-2-methylpropanamide. This compound has been shown to have high affinity for the dopamine receptor with an IC50 of 0.5 nM.Formula:C18H16F4N2O5SPurity:Min. 95 Area-%Color and Shape:White to off-white solid.Molecular weight:448.39 g/molItraconazole Impurity 9
Formula:C35H39Cl2N8O3·2IColor and Shape:White To Off-White SolidMolecular weight:2*690.66 2*126.90Doxazosin EP Impurity B HCl (Doxazosin USP Related Compound A)
CAS:Formula:C13H16N2O3·HClColor and Shape:White To Off-White SolidMolecular weight:248.28 36.46Bisoprolol EP Impurity N
CAS:Formula:C17H29NO4Color and Shape:Pale Yellow SolidMolecular weight:311.42Tinidazole Impurity 3
CAS:Formula:C8H13N3O2SColor and Shape:Pale Yellow LiquidMolecular weight:215.27Diampromide Hydrochloride
CAS:Controlled ProductApplications A ring-opened analog of Fentanyl (F274990). An opioid analgesic with potency similar to morphine. References Casy, A.F. et al.: J. Pharm. Pharmacol., 19, 17 (1967); Dosen-Micovic, L. et al.: Elec. Conf. Heterocyc. Chem., 157 (1998);Formula:C21H28N2O·ClHColor and Shape:NeatMolecular weight:360.925H-Benzo[5,6]cyclohepta[1,2-b]pyridine, 8-chloro-6,11-dihydro-11-(4-piperidinylidene)-
CAS:Formula:C19H19ClN2Purity:98%Color and Shape:SolidMolecular weight:310.82055999999994Carbamic acid, N-ethyl-N-methyl-, 3-[(1S)-1-(dimethylamino)ethyl]phenyl ester, (2R,3R)-2,3-dihydroxybutanedioate (1:1)
CAS:Formula:C18H28N2O8Purity:98%Color and Shape:SolidMolecular weight:400.4235Phenol, 4-[(7-chloro-4-quinolinyl)amino]-2-[(diethylamino)methyl]-
CAS:Formula:C20H22ClN3OPurity:%Color and Shape:SolidMolecular weight:355.8612Hydroxychloroquine Impurity 9
CAS:Formula:C36H50Cl2N6OColor and Shape:Pale Yellow SolidMolecular weight:653.74Digoxigenin
CAS:Applications A steroid used as a probe in the detection of different viruses. 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 Lin, L. et al., J. Virol. Methods, 171, 91 (2010); Finnegan, C.J. et al., J. Virol. Methods, 121, 223 (2004); Rubio, L. et al., J. Virol. Methods, 114, 105 (2003)Formula:C23H34O5Color and Shape:Light BrownMolecular weight:390.51Warfarin EP Impurity B (4-Hydroxy Coumarin)
CAS:Formula:C9H6O3Color and Shape:White To Off-White SolidMolecular weight:162.145-Hydroxy Lansoprazole Potassium Salt
CAS:Stability Hygroscopic Applications A metabolite of Lansoprazole, as gastric pump inhibitor. References Uno, T., et al.: J. Clin. Pharmacol., 45, 690 (2005), Saito, M., et al.: Brit. J. Clin. Pharmacol., 59, 302 (2005),Formula:C16H13F3N3O3S·KColor and Shape:NeatMolecular weight:423.452-[5-(Phenylcarbonyl)-2-thienyl]propanoic acid
CAS:Formula:C14H12O3SPurity:98%Color and Shape:SolidMolecular weight:260.3083N-Nitroso Sertraline Impurity 23 (Mixture of Diastereomers)
Formula:C17H16Cl2N2OMolecular weight:335.23Zm 306416 hydrochloride
CAS:Zm 306416 hydrochloride is a new synthetic compound with antimicrobial activities. It has been shown to be active against gram-positive bacteria, gram-negative bacteria, and fungi. Zm 306416 hydrochloride can also protect mice from carbon tetrachloride-induced liver damage by reducing serum bilirubin levels and inhibiting lipid peroxidation. This compound can also be used as a photocatalyst in organic synthesis.Formula:C16H14Cl2FN3O2Purity:Min. 95%Molecular weight:370.2 g/molrac-Rosuvastatin EP Impurity D-d6 (rac-Rosuvastatin Lactone-d6)
Formula:C22H20D6FN3O5SMolecular weight:469.57rac-Vigabatrin-13C,d2 (Major)
CAS:Controlled ProductStability Hygroscopic Applications Labelled Vigabatrin. A novel antiepileptic drug. Antidepressant; antipsychotic; anxiolytic. References Vajda, F., et al.: Clin. Neurosci., 7, 88 (2000), Beghi, E., et al.: Lancet. Neurol., 3, 618 (2004), Sagirli, O., et al.: J. Pharmaceut. Biomed., 42, 618 (2006),Formula:C513CH9D2NO2Color and Shape:White To Dark YellowMolecular weight:132.16Cloxacillin-13C4 Sodium Salt
CAS:Controlled ProductStability Hygroscopic Applications Labelled analogue of Cloxacillin, an antibiotic that belongs to the group of the isoxazolylpenicillins. Cloxacillin is used to treat infections caused by species of staphylococci that produce beta-lactamase due to its inhibitory effects on beta-lactamase binding. References Gibbs, D.L. et al.: Curr. Microbiol., 2, 239 (1979); Dmitrova, D. et al.: Farmat., 48, 28 (2001); Craven, N. et al.: Res. Vet. Sci., 29, 57 (1980);Formula:C15C4H17ClN3NaO5SColor and Shape:Off-WhiteMolecular weight:461.83Isosorbide Impurity 13 (Diluted with Lactose)
Formula:C7H11NO6Color and Shape:White To Off-White SolidMolecular weight:205.17Pentoxifylline EP Impurity H
CAS:Formula:C18H26N4O4Color and Shape:Off-White SolidMolecular weight:362.43Dienogest EP Impurity C (Diene Impurity)
CAS:Formula:C20H25NO2Color and Shape:White To Off-White SolidMolecular weight:311.43Solifenacin EP Impurity G Succinate
CAS:Formula:C23H26N2O2·C4H6O4Color and Shape:White To Off-White SolidMolecular weight:362.47 118.09Sertraline EP Impurity F
CAS:Formula:C16H12Cl2OColor and Shape:Off-White SolidMolecular weight:291.17Esomeprazole Impurity 7
CAS:Formula:C16H17N3O2Color and Shape:White To Off-White SolidMolecular weight:283.33Trazodone Impurity 29
Formula:C40H46Cl2N10O2Color and Shape:White To Off-White SolidMolecular weight:769.78N1-Nitroso Lacosamide EP Impurity F (N1-Nitroso Lacosamide USP Related Compound F)
Formula:C12H15N3O4Molecular weight:265.273-Amino-6-chloro-4-(4-pyridinyl)-2-quinolinone hydrazone
CAS:Please enquire for more information about 3-Amino-6-chloro-4-(4-pyridinyl)-2-quinolinone hydrazone including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C15H13ClN4Purity:Min. 95%Molecular weight:284.74 g/molCloxacillin EP Impurity B (Mixture of Diastereomers)
CAS:Formula:C18H20ClN3O4SColor and Shape:White To Off-White SolidMolecular weight:409.891H-Imidazole-5-methanol, 2-butyl-4-chloro-1-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-, potassium salt (1:1)
CAS:Formula:C22H23ClKN6OPurity:98%Color and Shape:SolidMolecular weight:462.0089Nebivolol Impurity 21 (Mixture of Diastereomers)
CAS:Formula:C11H11FO2Color and Shape:Colorless LiquidMolecular weight:194.21Salinomycin
CAS:Stability Hygroscopic Applications Salinomycin is a potassium ionophore antibiotic. Studies showed that Salinomycin can selectively kill breast cancer stem cells. 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 Garcia-Rubino, M. E., et al.: Anticancer Agents Med Chem. 16, 1230 (2016); Boesch, M., et al.: Stem Cells Transl Med 4, 1028 (2015)Formula:C42H70O11Color and Shape:White To Light YellowMolecular weight:751.00Sulpiride EP Impurity G
CAS:Formula:C14H21N3O4SColor and Shape:White To Off-White SolidMolecular weight:327.40Rubber Oligomer 3 (1,1,5,5-Tetramethyl-2-(1-methylethenyl)-3-(2,2,4-trimethylpentyl)-cyclohexane)
CAS:Cyclanes, cyclenes and cycloterpenes, excluding cyclohexaneFormula:C21H40Color and Shape:LiquidMolecular weight:292.3132,4(1H,3H)-Pyrimidinedione, 1-(2-deoxy-2-fluoro-β-L-arabinofuranosyl)-5-methyl-
CAS:Formula:C10H13FN2O5Purity:98%Color and Shape:SolidMolecular weight:260.219Benzeneacetic acid,4-[1-hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-a,a-dimethyl-
CAS:Formula:C32H39NO4Purity:95%Color and Shape:SolidMolecular weight:501.6564Lacosamide EP Impurity H (RR-Isomer)
Formula:C17H25N3O5Color and Shape:White To Off-White SolidMolecular weight:351.40trans-Ibuprofen EP Impurity G
Formula:C26H32O4Color and Shape:Pale Yellow SolidMolecular weight:408.54Calycosin
CAS:Controlled ProductApplications Calycosin is a known antioxidant that prevent redox imbalance in organisms. Also, it possesses anti-tumor, anti-inflammation and osteogenic properties; Useful as a therapeutic reagent for bone loss-associated diseases. 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 Lu, L., et al.: J. Biosci. Bioeng., 124, 1-7 (2017); Quan, G., et al.: Int. J. Mol. Sci., 16, 29496-29507 (2015)Formula:C16H12O5Color and Shape:NeatMolecular weight:284.26Mesalazine (Mesalamine) EP Impurity A (Paracetamol EP Impurity K)
CAS:Formula:C6H7NOColor and Shape:Gray SolidMolecular weight:109.13Aripiprazole EP Impurity E-d8 (Aripiprazole USP Related Compound G-d8, Dehydro Aripiprazole-d8)
CAS:Formula:C23H17D8Cl2N3O2Color and Shape:White To Off-White SolidMolecular weight:454.42Ceftizoxime
CAS:Formula:C13H13N5O5S2Purity:97%Color and Shape:SolidMolecular weight:383.402819999999962-CHLORO-5-IODO-3-METHYLPYRIDINE
CAS:Formula:C6H5ClINPurity:97%Color and Shape:SolidMolecular weight:253.4681Olmesartan Medoxomil Impurity 19
CAS:Formula:C30H32N6O6Color and Shape:White To Off-White SolidMolecular weight:572.62Cefazedone Impurity 20
CAS:Formula:C8H11N3O3SColor and Shape:Pale Yellow SolidMolecular weight:229.251,1-Cyclopropane-2,2,3,3-d4-dicarboxylic Acid
CAS:Controlled ProductApplications 1,1-Cyclopropane-2,2,3,3-d4-dicarboxylic Acid (CAS# 136503-99-6) is a useful isotopically labeled research compound.Formula:C5H2D4O4Color and Shape:NeatMolecular weight:134.12Cefixime Impurity (7-AVCA)
CAS:Formula:C9H10N2O3SColor and Shape:Off-White SolidMolecular weight:226.25Droxidopa Impurity 8
CAS:Formula:C10H13NO5Color and Shape:White To Off-White SolidMolecular weight:227.222-(4-Methanesulfonylphenyl)-1-pyridin-3-ylethanone
CAS:Please enquire for more information about 2-(4-Methanesulfonylphenyl)-1-pyridin-3-ylethanone including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C14H13NO3SPurity:Min. 95%Molecular weight:275.32 g/mol4-Iodo-1H-pyrazole-5-carboxylic acid
CAS:Formula:C4H3IN2O2Purity:95%Color and Shape:SolidMolecular weight:237.9833Sacubitril Impurity 9 HCl
CAS:Formula:C20H25NO2·HClColor and Shape:White To Off-White SolidMolecular weight:311.43 36.46Thioctic Acid Impurity 15
CAS:Formula:C10H18O2S2Color and Shape:Yellow Sticky OilMolecular weight:234.371H-Imidazole-5-carboxylic acid, 4-(1-hydroxy-1-methylethyl)-2-propyl-1-[[2'-[(triphenylmethyl)-1H(or 2H)-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-, ethyl ester (9CI)
CAS:Formula:C90H88N12O6Purity:97%Color and Shape:SolidMolecular weight:1433.7385Carnosol
CAS:Formula:C20H26O4Purity:(HPLC) ≥ 98.0%Color and Shape:White to off-white powderMolecular weight:330.42Rhein
CAS:Formula:C15H8O6Purity:≥ 98.0%Color and Shape:Yellow to orange powderMolecular weight:284.22Mitiglinide Impurity 4
Formula:C19H25NO3Color and Shape:White To Off-White SolidMolecular weight:315.41Desipramine-d3
CAS:Controlled ProductApplications Labelled tricyclic antidepressant that is a more potent inhibitor of the norepinephrine transporter than the serotonin transporter. References Klerman, G.L., et al.: Pharmacol. Rev., 17, 101 (1965), Checkley, S.A, et al.: Br. J. Psychiatry, 138. 248 (1981), Zhu, M.Y., et al.: J. Neurochem., 70, 1547 (1998), Okugawa, G., et al.: J. Neuroindocrinol., 11, 887 (1999), Torres, G.E., et al.: Nat. Rev. Neurosci., 4, 13 (2003),Formula:C182H3H20N3Color and Shape:NeatMolecular weight:284.412-Hydroxy desipramine-d3
CAS:2-Hydroxy desipramine-d3 is a drug product that is used for the analysis of the metabolism of desipramine in human and animal studies. It has been synthesized as an impurity standard for HPLC. This drug product has been synthesized by custom synthesis, and it is a Synthetic API that is used for Drug Development and Research and Development purposes. 2-Hydroxy desipramine-d3 has CAS No. 1189998-63-7, with a niche usage as an analytical standard in Metabolism Studies, Natural API impurity in Drug Product, Custom synthesis in Synthetic API, Impurity standard in HPLC standard, Pharmacopoeia in High purity.Formula:C18H19D3N2OPurity:Min. 95%Molecular weight:285.4 g/molTerbinafine EP Impurity A HCl (Terbinafine USP Related Compound A)
CAS:Formula:C12H13N·HClColor and Shape:White To Off-White SolidMolecular weight:171.24 36.46iso-Gemfibrozil
CAS:Please enquire for more information about iso-Gemfibrozil including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C15H22O3Purity:Min. 95%Molecular weight:250.33 g/mol4-Quinolinepropanoic acid, α-amino-1,2-dihydro-2-oxo-, hydrochloride (1:1)
CAS:Formula:C12H13ClN2O3Purity:98%Color and Shape:SolidMolecular weight:268.6962procainamide
CAS:Formula:C13H21N3OPurity:97%Color and Shape:LiquidMolecular weight:235.32533999999995Mometasone Furoate EP Impurity H (Icomethasone Furoate)
CAS:Formula:C27H31ClO7Color and Shape:White To Off-White SolidMolecular weight:502.99Tobramycin sulphate
CAS:Formula:(C18H37N5O9)2·5H2SO4Purity:635 - 740 μg/mgColor and Shape:White or off-white powderMolecular weight:1425.41