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(12,327 products)
- Anthraquinones and derivatives(405 products)
- Benzimidazole and Imidazole Derivatives(10,435 products)
- Benzodiazepine Derivatives(335 products)
- Carbohydrates and glycoconjugates(5,014 products)
- Esters and Derivatives(42,245 products)
- Fatty Acids and Lypidic Derivatives(32,393 products)
- Flavonoids and Polyphenols(17,085 products)
- Free Radicals and Oxidant/Reducing Agents(213 products)
- Ketones and derivatives(2,401 products)
- Natural and semi-synthetic antibiotics(6,376 products)
- Nitriles and Cyano Derivatives(3,067 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,431 products)
- Organic Phosphates and Phosphonates(1,202 products)
- Organic Sulphonates and Sulphates(10,433 products)
- Organometallics(4,422 products)
- Others(6,292 products)
- Peptides and Proteins(3,151 products)
- Polymers and Derivatives(100 products)
- Purines and Pyrimidine Derivatives(8,948 products)
- Quinazoline and Quinoline Derivatives(65,941 products)
- Quinones and Derivatives(24,347 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(79,650 products)
- Steroids and Derivatives(4,974 products)
- Sulfonamides and Derivatives(2,593 products)
- Terpenoids and Derivatives(3,845 products)
- Thiazolidinediones and Thiopyrans(2,752 products)
- β-Adrenergic Compounds(230 products)
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Found 56960 products of "APIs for research and impurities"
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Ribavirin Impurity 53 (D-Ribose) (Mixture of Diastereomers)
CAS:Formula:C5H10O5Molecular weight:150.13Emtricitabine Impurity 11
CAS:Formula:C10H20OColor and Shape:Pale Yellow LiquidMolecular weight:156.27Biperiden EP Impurity B
CAS:Formula:C21H29NOColor and Shape:White To Off-White SolidMolecular weight:311.47Aztreonam Impurity 17
CAS:Formula:C17H25N5O8S2Color and Shape:White To Off-White SolidMolecular weight:491.53Isavuconazole Impurity 1 HCl
Formula:C35H35F2N8O5S·Cl·HClColor and Shape:Off-White SolidMolecular weight:717.78 35.45 36.46Azilsartan Impurity 24
Formula:C53H38N8O12Color and Shape:White To Off-White SolidMolecular weight:978.93Zolpidem Impurity 22
CAS:Formula:C17H17N3OColor and Shape:White To Off-White SolidMolecular weight:279.34Oxymetazoline EP Impurity E
CAS:Formula:C14H19NOColor and Shape:White To Off-White SolidMolecular weight:217.31Anagrelide Impurity 2 HCl
Formula:C11H11Cl3N2O4·HClColor and Shape:Off-White SolidMolecular weight:341.57 36.46Lacosamide Impurity 14
Formula:C24H30N4O6Color and Shape:White To Off-White SolidMolecular weight:470.53Hexadecanoic Acid Impurity 1
CAS:Formula:C17H34OColor and Shape:Pale Yellow LiquidMolecular weight:254.46Dorzolamide EP Impurity A HCl (Dorzolamide USP Related Compound A, ent-Dorzolamide HCl)
CAS:Formula:C10H16N2O4S3·HClColor and Shape:White To Off-White SolidMolecular weight:324.43 36.46Policresulen Impurity 5 Ammonium Salt (m-Cresol-4-Sulfonic Acid Ammonium Salt)
CAS:Formula:C7H7O4S·NH4Color and Shape:White To Off-White SolidMolecular weight:187.19 18.04Quetiapine EP Impurity I (Quetiapine Hydroxy Impurity)
CAS:Formula:C19H21N3OSColor and Shape:Pale Yellow SolidMolecular weight:339.46Imatinib Impurity 14
Formula:C21H23N5OColor and Shape:White To Off-White SolidMolecular weight:361.45Beclometasone (Beclomethasone) Dipropionate EP Impurity E
CAS:Formula:C28H36Cl2O7Color and Shape:White To Off-White SolidMolecular weight:555.49Emtricitabine Dimer Impurity
Formula:C17H20F2N6O6S2Color and Shape:White To Off-White SolidMolecular weight:506.50Losartan Impurity 19
CAS:Formula:C44H42Cl2N12Color and Shape:White To Off-White SolidMolecular weight:809.80Thioridazine hydrochloride
CAS:Formula:C21H26N2S2·HClPurity:≥ 98.0%Color and Shape:White to off-white powder or crystalsMolecular weight:407.03Valganciclovir Impurity 3
CAS:Formula:C35H43N7O10Color and Shape:Off-White SolidMolecular weight:721.77Lurasidone Impurity 30
CAS:Formula:C28H36N4O2SColor and Shape:White To Off-White SolidMolecular weight:492.68Gemcitabine EP Impurity B HCl (Gemcitabine α-Isomer HCl)
CAS:Formula:C9H11F2N3O4·HClColor and Shape:White To Off-White SolidMolecular weight:263.20 36.46rac-Montelukast EP Impurity F (rac-Montelukast Methyl Ketone)
CAS:Formula:C34H32ClNO3SColor and Shape:Yellow SolidMolecular weight:570.14Emedastine EP Impurity A
CAS:Formula:C11H14N2O2Color and Shape:White To Off-White SolidMolecular weight:206.25Fluconazole Impurity 23
CAS:Formula:C11H10F2IN3OColor and Shape:White To Off-White SolidMolecular weight:365.12Ticlopidine EP Impurity K
CAS:Formula:C24H24Cl2N2SColor and Shape:White To Off-White SolidMolecular weight:443.43Glutathione EP Impurity D Trifluoroacetate
CAS:Formula:C8H14N2O5S·C2HF3O2Color and Shape:White To Off-White SolidMolecular weight:250.06 114.02Nelfinavir mesylate
CAS:Formula:C32H45N3O4S·CH3SO3HPurity:(HPLC) ≥ 97.0%Color and Shape:White to off-white crystalline powder or solidMolecular weight:663.89Glycopyrronium Bromide EP Impurity O (Glycopyrrolate USP Related Compound A)
CAS:Formula:C8H5NO6Molecular weight:211.13Repaglinide EP Impurity A
CAS:Formula:C11H12O5Color and Shape:White To Off-White SolidMolecular weight:224.22Dapagliflozin Impurity 21
Formula:C29H33ClO10Color and Shape:White To Off-White SolidMolecular weight:577.02Flunixin meglumine
CAS:Formula:C14H11F3N2O2·C7H17NO5Purity:≥ 98.0%Color and Shape:White to off-white powderMolecular weight:491.46Tedizolid Impurity 22
CAS:Formula:C16H14FN6O6PColor and Shape:Pale Yellow SolidMolecular weight:436.30Cefadroxil EP Impurity B (Cefadroxil USP Related Compound B, Cephalexin (Cephalexin) EP Impurity B, Cefradine EP Impurity A, 7-ADCA)
CAS:Formula:C8H10N2O3SColor and Shape:White To Off-White SolidMolecular weight:214.24Milbemycin oxime
CAS:Formula:C63H88N2O14Purity:(anhydrous basis) A3 ≤ 20.0%Color and Shape:White powderMolecular weight:1097.38Sulfasalazine EP Impurity E Disodium Salt
CAS:Formula:C29H20N6O7S2·2NaMolecular weight:628.65 2*22.99Fudosteine Impurity 15 DiHCl
CAS:Formula:C9H18N2O4S2·2HClColor and Shape:White To Off-White SolidMolecular weight:282.37 2*36.46Clomiphene Impurity 1
CAS:Formula:C26H31NO2Color and Shape:White To Off-White SolidMolecular weight:389.54Omeprazole EP Impurity B
CAS:Formula:C16H17N3O2SColor and Shape:White To Off-White SolidMolecular weight:315.39Carbidopa EP Impurity H (R-Isomer)
CAS:Formula:C11H16N2O4Color and Shape:White To Off-White SolidMolecular weight:240.26Itopride Impurity 8
CAS:Formula:C11H14N2OColor and Shape:White To Off-White SolidMolecular weight:190.25Tavaborole Impurity 16
CAS:Formula:C9H8BrFO2Color and Shape:White To Off-White SolidMolecular weight:247.06Revefenacin Impurity 16 Ditrifluoroacetate
Formula:C22H33N3O4·2C2HF3O2Molecular weight:403.53 2*114.02Teneligliptin Impurity 3
Formula:C20H28N6OSColor and Shape:White To Off-White SolidMolecular weight:400.55Pantoprazole Impurity 29
CAS:Formula:C8H11NO3Color and Shape:Pale Yellow SolidMolecular weight:169.18Amisulpride EP Impurity D
CAS:Formula:C16H25N3O4SColor and Shape:White To Off-White SolidMolecular weight:355.46Hydrocortisone acetate
CAS:Formula:C23H32O6Purity:≤ 1.0%Color and Shape:White to almost white crystalline powderMolecular weight:404.51Sofosbuvir Impurity 41
CAS:Formula:C16H25FN3O9PColor and Shape:White To Off-White SolidMolecular weight:453.36Sultopride hydrochloride
CAS:Formula:C17H27ClN2O4SPurity:≥ 97%Color and Shape:White to off-white solid or powderMolecular weight:390.93Iopromide Impurity 12
CAS:Formula:C22H26I3N3O10Color and Shape:White To Off-White SolidMolecular weight:873.17Idebenone
CAS:Formula:C19H30O5Purity:≥ 98.0% (dried basis)Color and Shape:Yellow to orange powderMolecular weight:338.44Azelastine Impurity 4 HCl
CAS:Formula:C22H24ClN3O·HClColor and Shape:Pale Yellow SolidMolecular weight:381.90 36.46Pelubiprofen Impurity 2-13C2-d6
Formula:C2413C2H20D6O5Color and Shape:Yellow SolidMolecular weight:426.51Rivaroxaban Impurity 23
CAS:Formula:C16H19N3O6Color and Shape:White To Off-White SolidMolecular weight:349.34Eplerenone EP Impurity A
CAS:Formula:C23H28O5Color and Shape:Pale Yellow SolidMolecular weight:384.47Capecitabine Impurity 13
CAS:Formula:C11H16O7Color and Shape:White To Off-White SolidMolecular weight:260.24Tobramycin
CAS:Formula:C18H37N5O9Purity:≥ 900μg/mg (anhydrous basis)Color and Shape:White or almost white powderMolecular weight:467.5Nifedipine EP Impurity A (Dehydro Nifedipine)
CAS:Formula:C17H16N2O6Color and Shape:Pale Yellow SolidMolecular weight:344.32Posaconazole Impurity 12 (POS-G)
Formula:C37H40F2N8O5Color and Shape:White To Off-White SolidMolecular weight:714.77Sucralose Impurity 1
CAS:Formula:C12H17ClO8Color and Shape:White To Off-White SolidMolecular weight:324.71Alprazolam EP Impurity H
CAS:Formula:C34H27Cl2N7O2Color and Shape:White To Off-White SolidMolecular weight:636.54rac-Iopamidol EP Impurity J
CAS:Formula:C16H20I3N3O7Color and Shape:White To Off-White SolidMolecular weight:747.06Cefpodoxime Proxetil EP Impurity C
CAS:Formula:C21H27N5O9S2Color and Shape:Pale Brown SolidMolecular weight:557.59Medroxyprogesterone Acetate EP Impurity I
Formula:C22H32O3Color and Shape:White To Off-White SolidMolecular weight:344.50Sofosbuvir Impurity 2
CAS:Formula:C31H27N3O8Color and Shape:White To Off-White SolidMolecular weight:569.58Chloramphenicol palmitate
CAS:Formula:C27H42Cl2N2O6Purity:≥ 90%Color and Shape:White powderMolecular weight:561.54Parecoxib Impurity 19 (Desulfonamide)
CAS:Formula:C16H13NOColor and Shape:White To Off-White SolidMolecular weight:235.29Ivabradine Impurity 27 HCl
Formula:C27H37ClN2O5·HClColor and Shape:White To Off-White SolidMolecular weight:505.05 36.46Rabeprazole EP Impurity G
CAS:Formula:C15H15N3OSColor and Shape:White To Off-White SolidMolecular weight:285.37Ampicillin sodium salt
CAS:Formula:C16H18N3NaO4SPurity:≥ 845μg/mg (anhydrous basis)Color and Shape:White to off-white or pale yellow powderMolecular weight:371.39Efinaconazole Impurity 44
CAS:Formula:C12H13F2N3O2Color and Shape:White To Off-White SolidMolecular weight:269.25Terbinafine hydrochloride
CAS:Formula:C21H25N·HClPurity:99.0 - 101.0 % (dried basis)Color and Shape:White powderMolecular weight:327.89Verapamil EP Impurity A DiHCl
CAS:Formula:C25H38N2O4·2HClColor and Shape:White To Off-White SolidMolecular weight:430.59 2 36.46Etoricoxib Impurity 29
CAS:Formula:C8H9NO2Color and Shape:White To Off-White SolidMolecular weight:151.17Chlorzoxazone
CAS:Formula:C7H4ClNO2Purity:(Titration) ≥ 98.0%Color and Shape:White to off-white c=powder or crystalsMolecular weight:169.57Fluocinonide Impurity 2
CAS:Formula:C26H32F2O7Color and Shape:White To Off-White SolidMolecular weight:494.53Cabazitaxel Impurity 28
Formula:C32H42O10Color and Shape:White To Off-White SolidMolecular weight:586.68Amphotericin B
CAS:Formula:C47H73NO17Purity:≥ 750μg/mg (C47H73NO17, dried basis)Color and Shape:Yellow to dark yellow or orange powderMolecular weight:924.10Ornidazole Impurity 9
CAS:Formula:C6H8ClN3O3Color and Shape:White To Off-White SolidMolecular weight:205.60Tolazamide
CAS:Formula:C14H21N3O3SPurity:≥ 98.0% (dried basis)Color and Shape:White to off-white powderMolecular weight:311.40Difluprednate Impurity 6
CAS:Formula:C20H24F2O4Color and Shape:White To Off-White SolidMolecular weight:366.40Diazoxide
CAS:Formula:C8H7ClN2O2SPurity:≥ 98.0%Color and Shape:White to off-white powderMolecular weight:230.67Finasteride EP Impurity A
CAS:Formula:C23H38N2O2Color and Shape:White To Off-White SolidMolecular weight:374.57Fudosteine Impurity 14 DiHCl
Formula:C12H24N2O5S2·2HClColor and Shape:White To Off-White SolidMolecular weight:340.45 2*36.46Decitabine Impurity 1 (α-Isomer)
CAS:Formula:C6H12O4Color and Shape:Pale Yellow LiquidMolecular weight:148.16Propyphenazone EP Impurity A (Phenazone)
CAS:Formula:C11H12N3OColor and Shape:White To Off-White SolidMolecular weight:188.23Cangrelor Impurity 7 (Mixture of Diastereomers)
Formula:C16H22F3N5O5S2Color and Shape:White To Off-White SolidMolecular weight:485.50Reboxetine mesylate
CAS:Formula:C19H23NO3·CH3SO3HPurity:≥ 97.0%Color and Shape:White to off-white powderMolecular weight:409.50Exemestane
CAS:Formula:C20H24O2Purity:98.0 - 102.0 % (dried basis)Color and Shape:White or almost white crystalline powderMolecular weight:296.40Estradiol Valerate EP Impurity F (17-Butyrate Estradiol)
CAS:Formula:C22H30O3Color and Shape:White To Off-White SolidMolecular weight:342.48Sparfloxacin Impurity 4 Sodium Salt
CAS:Formula:C19H23F2N4O3·NaColor and Shape:Yellow SolidMolecular weight:393.42 22.99Cetrorelix Impurity 10 Ditrifluoroacetate
Formula:C72H94ClN17O15·2C2HF3O2Molecular weight:1473.10 2*114.02Bendamustine Impurity 14
Formula:C19H22N6O6Color and Shape:Green To Yellow SolidMolecular weight:430.42Nabumetone
CAS:Formula:C15H16O2Purity:≥ 98.0% (anhydrous basis)Color and Shape:White to almost white crystalline powderMolecular weight:228.29Isoconazole (Miconazole EP Impurity D)
CAS:Formula:C18H14Cl4N2OColor and Shape:White To Off-White SolidMolecular weight:416.12Argatroban Impurity 10
Formula:C23H32N6O6SColor and Shape:White To Off-White SolidMolecular weight:520.61Sumatriptan EP Impurity D (Sumatriptan N-Oxide)
CAS:Formula:C14H21N3O3SColor and Shape:White To Off-White SolidMolecular weight:311.40Allopurinol EP Impurity C
CAS:Formula:C6H6N6OColor and Shape:White To Off-White SolidMolecular weight:178.16Tramadol EP Impurity C HCl
CAS:Formula:C16H23NO·HClColor and Shape:Off-White SolidMolecular weight:245.37 36.46Valaciclovir EP Impurity D (Valacyclovir USP Related Compound D)
CAS:Formula:C15H24N6O4Molecular weight:352.40Cefepime EP Impurity B
CAS:Formula:C25H29N9O7S3Color and Shape:Pale Yellow SolidMolecular weight:663.76Irinotecan EP Impurity C
CAS:Formula:C35H42N4O6Color and Shape:Off-White SolidMolecular weight:614.74Lidocaine Impurity 3 DiHCl
Formula:C14H19N3·2HClColor and Shape:Pale Yellow SolidMolecular weight:229.33 2*36.46Bimatoprost Impurity 22
Formula:C14H26N2O2Color and Shape:White To Off-White SolidMolecular weight:254.37Phenylephrine EP Impurity A HCl
CAS:Formula:C8H11NO2·HClColor and Shape:Off-White SolidMolecular weight:153.18 36.46Clarithromycin EP Impurity H (Clarithromycin USP Impurity H)
CAS:Formula:C38H67NO14Color and Shape:White To Off-White SolidMolecular weight:761.95Desloratadine Impurity 1
CAS:Formula:C19H19ClN2Color and Shape:Off-White SolidMolecular weight:310.83Paracetamol (Acetaminophen) EP Impurity J (Acetaminophen USP Related Compound J)
CAS:Formula:C8H8ClNOColor and Shape:White To Off-White SolidMolecular weight:169.61Etomidate EP Impurity A ((R)-Isomer)
CAS:Formula:C12H12N2O2Color and Shape:White To Off-White SolidMolecular weight:216.24Solifenacin EP Impurity E (3-Quinuclidinol)
CAS:Formula:C7H13NOColor and Shape:Pale Yellow SolidMolecular weight:127.19Naproxen EP Impurity M
CAS:Formula:C11H10OColor and Shape:White To Off-White SolidMolecular weight:158.20Norethindrone Impurity 25 (10-β Hydroxy Norethindrone)
CAS:Formula:C20H26O3Color and Shape:White To Off-White SolidMolecular weight:314.43Sumatriptan EP Impurity E
CAS:Formula:C12H17N3O2SColor and Shape:Pale Yellow SolidMolecular weight:267.35Rivaroxaban Impurity 39
CAS:Formula:C11H9NO3Color and Shape:White To Off-White SolidMolecular weight:203.19Nadolol EP Impurity F
CAS:Formula:C17H23NO2Color and Shape:White To Off-White SolidMolecular weight:273.38Linezolid Impurity 28
CAS:Formula:C10H13FN2OColor and Shape:Purplish Red SolidMolecular weight:196.23Azaperone
CAS:Formula:C19H22FN3OPurity:≥ 98.0%Color and Shape:White to light yellow or pale beige powderMolecular weight:327.40Flupirtine Maleate Impurity F HCl
CAS:Formula:C18H21FN4O4·HClColor and Shape:Pale Purple SolidMolecular weight:376.39 36.46Ciprofibrate EP Impurity B
CAS:Formula:C9H8Cl2OColor and Shape:Light Grey SolidMolecular weight:203.06Idarubicin hydrochloride
CAS:Formula:C26H27NO9·HClPurity:≥ 98.0%Color and Shape:Orange powderMolecular weight:533.95Levofloxacin EP Impurity C (Levofloxacin N-Oxide)
CAS:Formula:C18H20FN3O5Color and Shape:Off-White SolidMolecular weight:377.37Deferasirox Impurity 21
CAS:Formula:C14H8ClNO2Color and Shape:White To Off-White SolidMolecular weight:257.67Melphalan EP Impurity A (R-Isomer) DiHCl (Dihydroxy Melphalan (R-Isomer) DiHCl)
CAS:Formula:C13H22Cl2N2O4·2HClColor and Shape:Off-White SolidMolecular weight:268.31 2*36.46Nicotinamide, 99%
CAS:Formula:C6H6N2OPurity:(Titration) ≥ 99.0%Color and Shape:White to almost white powder or crystalsMolecular weight:122.13Propofol EP Impurity E (Propofol USP Related Compound A)
CAS:Formula:C24H34O2Color and Shape:White To Off-White SolidMolecular weight:354.54Triclosan, USP grade
CAS:Formula:C12H7Cl3O2Purity:≤ 0.1%Color and Shape:White crystalline powder or crystalsMolecular weight:289.55Baclofen Impurity 5
Formula:C10H12ClNO3Color and Shape:White To Off-White SolidMolecular weight:229.66Carbimazole
CAS:Formula:C7H10N2O2SPurity:≥ 98.0%Color and Shape:White to almost white powder or crystalsMolecular weight:186.24Sitagliptin Impurity 28
CAS:Formula:C21H23F6N5O3Color and Shape:White To Off-White SolidMolecular weight:507.44Linezolid Impurity 60 HCl
CAS:Formula:C3H8ClNO·HClColor and Shape:White To Off-White SolidMolecular weight:109.55 36.46Penfluridol Impurity 2 HCl
Formula:C25H28ClF4NO2·HClColor and Shape:White To Off-White SolidMolecular weight:485.95 36.46
