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(12,241 products)
- Anthraquinones and derivatives(401 products)
- Benzimidazole and Imidazole Derivatives(10,345 products)
- Benzodiazepine Derivatives(332 products)
- Carbohydrates and glycoconjugates(5,006 products)
- Esters and Derivatives(42,023 products)
- Fatty Acids and Lypidic Derivatives(32,187 products)
- Flavonoids and Polyphenols(16,990 products)
- Free Radicals and Oxidant/Reducing Agents(213 products)
- Ketones and derivatives(2,393 products)
- Natural and semi-synthetic antibiotics(6,335 products)
- Nitriles and Cyano Derivatives(3,042 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,413 products)
- Organic Phosphates and Phosphonates(1,191 products)
- Organic Sulphonates and Sulphates(10,370 products)
- Organometallics(4,396 products)
- Others(6,270 products)
- Peptides and Proteins(3,116 products)
- Polymers and Derivatives(99 products)
- Purines and Pyrimidine Derivatives(8,888 products)
- Quinazoline and Quinoline Derivatives(65,495 products)
- Quinones and Derivatives(24,191 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(79,238 products)
- Steroids and Derivatives(4,949 products)
- Sulfonamides and Derivatives(2,584 products)
- Terpenoids and Derivatives(3,835 products)
- Thiazolidinediones and Thiopyrans(2,733 products)
- β-Adrenergic Compounds(228 products)
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Found 56511 products of "APIs for research and impurities"
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Cefazedone Impurity 17
CAS:Formula:C12H14N2O6SColor and Shape:White To Off-White SolidMolecular weight:314.31Mupirocin Impurity 1
CAS:Formula:C27H48O7Color and Shape:White To Off-White SolidMolecular weight:484.67Cyclophosphamide Impurity 22
Formula:C9H22ClN2O4PColor and Shape:White To Off-White SolidMolecular weight:288.71Dabigatran Etexilate Impurity 1
CAS:Formula:C35H43N7O5Color and Shape:White To Off-White SolidMolecular weight:641.77Cinnarizine EP Impurity B
CAS:Formula:C26H28N2Color and Shape:White To Off-White SolidMolecular weight:368.53Levonorgestrel EP Impurity N
CAS:Formula:C19H26O2Color and Shape:White To Off-White SolidMolecular weight:286.42Emtricitabine Impurity 16 Disodium Salt
CAS:Formula:C18H22FN8O7PS·2NaColor and Shape:White To Off-White SolidMolecular weight:544.46 2*22.99Indomethacin (Indometacin) EP Impurity J (Indomethacin Diamide)
CAS:Formula:C33H27Cl2N3O5Color and Shape:Off-White SolidMolecular weight:616.50Everolimus Ring-Opening Impurity (Mixture of Isomers)
CAS:Formula:C53H83NO14Color and Shape:White To Off-White SolidMolecular weight:958.25Nilotinib Impurity 6
CAS:Formula:C28H22F3N7OColor and Shape:White To Off-White SolidMolecular weight:529.53Tulathromycin A
CAS:Formula:C41H79N3O12Purity:≥ 95.0%Color and Shape:White to off-white powderMolecular weight:806.08Saccharin Impurity 3
Formula:C13H18N2O5SColor and Shape:White To Off-White SolidMolecular weight:314.36Tetrabenazine Impurity 39 (2S, 3S, 11bS)
CAS:Formula:C19H29NO3Color and Shape:White To Off-White SolidMolecular weight:319.45Famotidine EP Impurity C HCl (Famotidine USP Related Compound C)
CAS:Formula:C8H14N6O3S3·HClColor and Shape:White To Off-White SolidMolecular weight:338.42 36.46Rifabutin EP Impurity B (3-Amino Rifamycin S)
CAS:Formula:C37H46N2O12Color and Shape:Brown SolidMolecular weight:710.78Dobutamine EP Impurity C HCl (Dobutamine USP Related Compound C)
CAS:Formula:C21H29NO3·HClColor and Shape:White To Off-White SolidMolecular weight:343.47 36.46Sulfacetamide EP Impurity C
CAS:Formula:C10H12N2O4SColor and Shape:White To Off-White SolidMolecular weight:256.28Midostaurin Impurity 2
CAS:Formula:C35H30N4O5Color and Shape:Pale Yellow SolidMolecular weight:586.65Dabigatran Impurity 82
CAS:Formula:C27H28N6O4Color and Shape:White To Off-White SolidMolecular weight:500.56Chlorambucil, EP grade
CAS:Formula:C14H19Cl2NO2Purity:≤ 0.1% (HPLC)Color and Shape:White or almost white crystalline powderMolecular weight:304.21Glycerol Impurity 9
CAS:Formula:C3H7NO4Color and Shape:White To Off-White SolidMolecular weight:121.09Ezetimibe Impurity 21
Formula:C45H58F2N2O5Si2Color and Shape:White To Off-White SolidMolecular weight:801.13cis-Atovaquone-d4 (Atovaquone EP Impurity B-d4)
CAS:Formula:C22H15ClO3D4Color and Shape:Yellow SolidMolecular weight:370.87Citalopram EP Impurity D HBr (Citalopram USP Related Compound D HBr, N-Desmethyl Citalopram HBr)
CAS:Formula:C19H19FN2O·HBrColor and Shape:White To Off-White SolidMolecular weight:310.37 80.91Lodoxamide Impurity 2-d10
CAS:Formula:C6HD10NO3Color and Shape:White To Off-White SolidMolecular weight:155.22Octreotide Impurity 4 tris-Trifluoroacetate
Formula:C49H68N10O10S2·3C2HF3O2Color and Shape:White To Off-White SolidMolecular weight:1021.28 3 114.02Carbamazepine
CAS:Formula:C15H12N2OPurity:≥ 97.0%Color and Shape:White to off-white powderMolecular weight:236.27Tetrabenazine Impurity 37
CAS:Formula:C19H27NO3Color and Shape:White To Off-White SolidMolecular weight:317.43Carbamazepine EP Impurity F
CAS:Formula:C15H10ClNOColor and Shape:Off-White SolidMolecular weight:255.70Permethrin EP Impurity E (3-Phenoxy Benzylchloride)
CAS:Formula:C13H11ClOColor and Shape:Colorless LiquidMolecular weight:218.68Lapatinib Impurity 11
Formula:C55H43Cl2F2N7O6SColor and Shape:Off-White SolidMolecular weight:1038.95Cefaclor
CAS:Formula:C15H14ClN3O4S·xH2OPurity:95.0 - 102.0 % (dried basis)Color and Shape:White to light-yellow powderMolecular weight:367.81Lorcaserin Impurity 5 HCl
CAS:Formula:C11H15Cl2N·HClColor and Shape:White To Off-White SolidMolecular weight:232.15 36.46Doxorubicin hydrochloride, USP grade
CAS:Formula:C27H29NO11·HClPurity:≥ 98.0% (anhydrous, solvent-free)Color and Shape:Orange-red to red crystalline powderMolecular weight:579.99Harmine
CAS:Formula:C13H12N2OPurity:97.5 - 102.5 %Color and Shape:White to off-white crystalline powderMolecular weight:212.25Ketamine EP Impurity B (Esketamine EP Impurity B)
CAS:Formula:C12H13ClO2Color and Shape:White To Off-White SolidMolecular weight:224.68Omeprazole Impurity 48
CAS:Formula:C8H8N2O4SColor and Shape:White To Off-White SolidMolecular weight:228.22Felodipine EP Impurity A N-Oxide (Felodipine USP Related Compound A N-Oxide)
Formula:C18H17Cl2NO5Molecular weight:398.24Itopride Impurity 15
CAS:Formula:C17H19NO4Color and Shape:White To Off-White SolidMolecular weight:301.34Norepinephrine Impurity 31 Sodium Salt
CAS:Formula:C9H10NO6S·NaColor and Shape:Brown SolidMolecular weight:260.25 22.99Pregabalin Impurity PD0310886
Formula:C14H25NO6Color and Shape:White To Off-White SolidMolecular weight:303.36Cefotaxime EP Impurity A (Cefetamet)
CAS:Formula:C14H15N5O5S2Color and Shape:White To Off-White SolidMolecular weight:397.42Ramelteon Impurity 21
CAS:Formula:C13H14O3Color and Shape:White To Off-White SolidMolecular weight:218.25Benzydamine EP Impurity E HCl
CAS:Formula:C19H23N3O·HClColor and Shape:White To Off-White SolidMolecular weight:309.41 36.46Edoxaban Impurity 12 (1R,2R,4S)
CAS:Formula:C24H30ClN7O4SColor and Shape:White To Off-White SolidMolecular weight:548.06Clozapine EP Impurity A
CAS:Formula:C13H9ClN2OColor and Shape:Dark Purple SolidMolecular weight:244.68Chenodeoxycholic acid
CAS:Formula:C24H40O4Purity:≥ 98.0%Color and Shape:White to off-white powderMolecular weight:392.57Cholesterol Impurity 4
Formula:C55H90O3Color and Shape:White To Off-White SolidMolecular weight:799.32Methylcobalamin Impurity 6
CAS:Formula:C14H18N2O4Color and Shape:White To Off-White SolidMolecular weight:278.31Hydroxychloroquine Sulfate EP Impurity F HCl
CAS:Formula:C14H15ClN2·HClColor and Shape:Off-White SolidMolecular weight:246.74 36.46Bromopride Impurity 2
CAS:Formula:C16H24BrN3O3Color and Shape:White To Off-White SolidMolecular weight:386.29Iopromide EP Impurity C (Mixture of Diastereomers)
CAS:Formula:C17H22I3N3O8Color and Shape:White To Off-White SolidMolecular weight:777.09Bumetanide EP Impurity D
CAS:Formula:C21H28N2O5SColor and Shape:White To Off-White SolidMolecular weight:420.52Ketoprofen Impurity 19
CAS:Formula:C11H12O5Color and Shape:Colourless Semi-SolidMolecular weight:224.21Quetiapine EP Impurity V DiHCl
Formula:C21H25N3O2·2HClColor and Shape:Off-White SolidMolecular weight:351.45 2 36.46Lesinurad Impurity 28
CAS:Formula:C15H12BrN3SColor and Shape:White To Off-White SolidMolecular weight:346.25Tetracycline HCl (Oxytetracycline EP Impurity B HCl)
CAS:Formula:C22H24N2O8·HClColor and Shape:Pale Yellow SolidMolecular weight:444.45 36.46Chloramphenicol EP Impurity A
CAS:Formula:C9H12N2O4Color and Shape:Off-White SolidMolecular weight:212.21Vonoprazan Impurity 30
CAS:Formula:C5H5NO3SColor and Shape:White To Off-White SolidMolecular weight:159.16Propofol EP Impurity P
CAS:Formula:C16H24O3Color and Shape:White To Off-White SolidMolecular weight:264.37Adefovir
CAS:Formula:C8H12N5O4PPurity:≥ 98.5%Color and Shape:White to off-white powderMolecular weight:273.19Clobazam EP Impurity E (Clobazam USP Related Compound E)
CAS:Formula:C15H15ClN2OColor and Shape:White To Off-White SolidMolecular weight:274.75Citalopram Ring-Opening Impurity Oxalate (Citalopram Alkene Impurity Oxalate) (Mixture of Z and E Isomers)
CAS:Formula:C20H21FN2O·C2H2O4Color and Shape:White To Off-White SolidMolecular weight:324.40 90.04Basic Butylated Methacrylate Copolymer EP Impurity A (Butyl Methacrylate)
CAS:Formula:C8H14O2Color and Shape:Colorless LiquidMolecular weight:142.20Indomethacin Impurity 19
CAS:Formula:C29H34ClNO4Color and Shape:White To Off-White SolidMolecular weight:496.04Candesartan cilexetil
CAS:Formula:C33H34N6O6Purity:≥ 98.0%Color and Shape:White to off-white or beige powderMolecular weight:610.66Kanamycin monosulfate salt, EP
CAS:Formula:C18H36N4O11·H2SO4·H2OPurity:≥ 750IU/mg (anhydrous)Color and Shape:White to off-white crystalline powderMolecular weight:600.6Trimethoprim lactate salt
CAS:Formula:C14H18N4O3·C3H6O3Purity:≥ 98.0% (dried basis)Color and Shape:White or almost white powderMolecular weight:380.40Aprepitant Impurity 18
Formula:C12H7F9O2Color and Shape:White To Off-White SolidMolecular weight:354.17rac-Carbidopa EP Impurity C (Carbidopa USP Related Compound A)
CAS:Formula:C11H16N2O4Molecular weight:240.26Dicloxacillin Sodium EP Impurity A HCl (Mixture of Diastereomers)
Formula:C19H19Cl2N3O6S·HClColor and Shape:White To Off-White SolidMolecular weight:488.34 36.46Albendazole EP Impurity C (Albendazole Sulfone)
CAS:Formula:C12H15N3O4SColor and Shape:Pale Yellow SolidMolecular weight:297.33Posaconazole Impurity 65
CAS:Formula:C19H19F2IO2Color and Shape:Colorless LiquidMolecular weight:444.26Diltiazem Impurity 3 (N-Desmethyl Desacetyl Diltiazem)
CAS:Formula:C19H22N2O3SColor and Shape:White To Off-White SolidMolecular weight:358.46Dimenhydrinate
CAS:Formula:C17H21NO·C7H7ClN4O2Color and Shape:White to off-white powderMolecular weight:469.96Aztreonam Impurity 3
Formula:C19H31N9O10S2Color and Shape:White To Off-White SolidMolecular weight:609.63D-Penicillamine
CAS:Formula:C5H11NO2SPurity:98.0 - 101.0 % (dried basis)Color and Shape:White to off-white powderMolecular weight:149.21rac-Selegiline EP Impurity D-d5 HCl (rac-Selegiline USP Related Compound D-d5, rac-N-Desmethyl Selegiline-d5 HCl)
CAS:Formula:C12H10D5N·HClColor and Shape:White To Off-White SolidMolecular weight:178.29 36.46Paroxetine EP Impurity C (N-Benzyl Paroxetine)
CAS:Formula:C26H26FNO3Color and Shape:White To Off-White SolidMolecular weight:419.50Phenylbutazone EP Impurity A (Bumadizone)
CAS:Formula:C19H22N2O3Color and Shape:White To Off-White SolidMolecular weight:326.40Medroxyprogesterone Acetate EP Impurity A
CAS:Formula:C24H34O5Color and Shape:White To Off-White SolidMolecular weight:402.53Regorafenib EP Impurity A (Regorafenib USP Related Compound A)
CAS:Formula:C13H12FN3O2Color and Shape:Pale Brown SolidMolecular weight:261.26Ketoconazole Impurity 17
CAS:Formula:C21H20Cl2N2O5SColor and Shape:Colorless Sticky OilMolecular weight:483.36Pramipexole Impurity 48
CAS:Formula:C10H15N3O2Color and Shape:White To Off-White SolidMolecular weight:209.25Simvastatin ammonium salt
CAS:Formula:C25H41NO5Purity:≥ 95.0%Color and Shape:White to light yellow, beige or light brown powderMolecular weight:435.60Linezolid Impurity 8 HCl
CAS:Formula:C13H18ClFN2O2·HClColor and Shape:White To Off-White SolidMolecular weight:288.75 36.46Primaquine Impurity 1 Phosphate
Formula:C15H21N3O·H3O4PColor and Shape:Yellow SolidMolecular weight:259.35 97.99Daptomycin Impurity 1 Ditrifluoroacetate
Formula:C72H103N17O27·2C2HF3O2Molecular weight:1638.71 2*114.02Triclabendazole EP Impurity A (Triclabendazole S-Oxide)
CAS:Formula:C14H9Cl3N2O2SColor and Shape:Off-White SolidMolecular weight:375.65Minodronic Acid Impurity 2-d4
CAS:Formula:C9H8N2O7P2D4Color and Shape:Off-White SolidMolecular weight:326.18Labetalol EP Impurity D HCl
CAS:Formula:C9H12N2O3·HClColor and Shape:White To Off-White SolidMolecular weight:196.21 36.46Halobetasol Propionate Impurity 4
CAS:Formula:C26H34F2O8SColor and Shape:White To Off-White SolidMolecular weight:544.61Nimodipine Impurity 7
CAS:Formula:C20H22N2O7Color and Shape:White To Off-White SolidMolecular weight:402.40Terbutaline EP Impurity B Hemisulphate
CAS:Formula:C13H19NO3·5H2SO4Color and Shape:Off-White SolidMolecular weight:237.30 0.5*98.07Risperidone Impurity 7
Formula:C25H27FN4O4Color and Shape:White To Off-White SolidMolecular weight:466.51Dextrorphan-d3 D-Tartrate (Dextromethorphan EP Impurity B-d3 D-Tartrate)
CAS:Formula:C17H20D3NO·C4H6O6Color and Shape:White To Off-White SolidMolecular weight:260.40 150.09Ropinirole Impurity 5 (Mixture of Diastereomers)
CAS:Formula:C33H48N4O2Color and Shape:White To Off-White SolidMolecular weight:532.77Adrenaline EP Impurity E HCl
CAS:Formula:C16H17NO3·HClColor and Shape:White To Off-White SolidMolecular weight:271.32 36.46O-Desmethyl Venlafaxine Cyclic Impurity
CAS:Formula:C16H23NO2Color and Shape:White To Off-White SolidMolecular weight:261.37Lovastatin, EP grade
CAS:Formula:C24H36O5Purity:97.0 - 102.0 % (dried substance)Color and Shape:White or almost white crystalline powderMolecular weight:404.56Galantamine EP Impurity D (Anhydro Galantamine)
CAS:Formula:C17H19NO2Color and Shape:White To Off-White SolidMolecular weight:269.34Penicillin G sodium salt, USP grade
CAS:Formula:C16H17N2NaO4SPurity:96.0 - 102.0 %Color and Shape:White or almost white crystalline powderMolecular weight:356.37Ezetimibe Impurity 8
CAS:Formula:C20H18FNO4Color and Shape:White To Off-White SolidMolecular weight:355.37Terlipressin EP Impurity C Ditrifluoroacetate (Des-(1-3)-Terlipressin Ditrifluoroacetate)
CAS:Formula:C46H65N13O12S2·2C2HF3O2Molecular weight:1056.23 2*114.02Lansoprazole EP Impurity C (Lansoprazole USP Related Compound B (Free Form), Lansoprazole Sulfide)
CAS:Formula:C16H14F3N3OSColor and Shape:White To Off-White Solid SolidMolecular weight:353.36Sitagliptin Impurity 44
CAS:Formula:C6H5F3N4OColor and Shape:White To Off-White SolidMolecular weight:206.13Voriconazole Impurity 15
CAS:Formula:C6H5Br2FN2Color and Shape:Pale Yellow LiquidMolecular weight:283.93Bortezomib Impurity 2 (RR-Isomer)
Formula:C19H24N4O3Color and Shape:White To Off-White SolidMolecular weight:356.43Azithromycin EP Impurity A (Azathramycin, Desmethyl Azithromycin)
CAS:Formula:C37H70N2O12Color and Shape:White To Off-White SolidMolecular weight:734.97Rebamipide Impurity 7
Formula:C19H14BrClN2O4Color and Shape:White To Off-White SolidMolecular weight:449.69Triclosan, USP grade
CAS:Formula:C12H7Cl3O2Purity:≤ 0.1%Color and Shape:White crystalline powder or crystalsMolecular weight:289.55Calcipotriol EP Impurity C (Calcipotriene USP Related Compound C, (5E)-Calcipotriene)
CAS:Formula:C27H40O3Color and Shape:White To Off-White SolidMolecular weight:412.61Atorvastatin EP Impurity N (Atorvastatin tert-Butyl Ester)
CAS:Formula:C37H43FN2O5Color and Shape:White To Off-White SolidMolecular weight:614.76Levofloxacin Impurity 7
CAS:Formula:C15H14FNO5Color and Shape:White To Off-White Solid SolidMolecular weight:307.28Venlafaxine EP Impurity H
CAS:Formula:C24H33NO3Color and Shape:White To Off-White SolidMolecular weight:383.53Salicylic Acid Impurity 16
Formula:C10H12O6SColor and Shape:White To Off-White SolidMolecular weight:260.26Lorazepam EP Impurity A (Lorazepam USP Related Compound B)
CAS:Formula:C13H9Cl2NOMolecular weight:266.12Quinapril EP Impurity G HCl
CAS:Formula:C25H30N2O5·HClColor and Shape:White To Off-White SolidMolecular weight:438.53 36.46
