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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2(1H)-Pyridinone, 5-bromo-3-chloro-
CAS:Formula:C5H3BrClNOPurity:98%Color and Shape:SolidMolecular weight:208.44041H-Imidazol-2-amine, N-(2-bromo-6-fluorophenyl)-4,5-dihydro-, monohydrochloride
CAS:Formula:C9H10BrClFN3Purity:98%Color and Shape:SolidMolecular weight:294.5512Butanedioic acid,mono[(2R)-3,4-dihydro-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-yl] ester
CAS:Formula:C33H54O5Purity:98%Color and Shape:SolidMolecular weight:530.77895-((Z)-(5-Fluoro-2-oxoindolin-3-ylidene)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxylic acid
CAS:Formula:C16H13FN2O3Purity:98%Color and Shape:SolidMolecular weight:300.2844Fexofenadine hydrochloride
CAS:Formula:C32H39NO4HClPurity:≥ 98.5%Color and Shape:White to off-white powderMolecular weight:538.12Tadalafil Impurity 23
CAS:Formula:C22H20ClN3O4Color and Shape:Pale Yellow SolidMolecular weight:425.87Lercanidipine EP Impurity D HCl
CAS:Formula:C37H43N3O6·HClColor and Shape:Pale Yellow SolidMolecular weight:625.77 36.46Rilpivirine
CAS:Formula:C22H18N6Purity:≥ 98.0%Color and Shape:White to beige or light yellow powderMolecular weight:366.42Labetalol Impurity 1
CAS:Formula:C23H22N2O3Color and Shape:White To Off-White SolidMolecular weight:374.44Efinaconazole Impurity 31 (Mixture of Diastereomers)
CAS:Formula:C12H21NO4Color and Shape:Pale Yellow OilMolecular weight:243.30Piperazine Impurity 9 DiHCl
Formula:C14H27N3·2HClColor and Shape:White To Off-White SolidMolecular weight:237.39 2*36.46N-Nitroso Terbinafine EP Impurity A (N-Nitroso Terbinafine USP Related Compound A (Free Form))
CAS:Formula:C12H12N2OMolecular weight:200.24Norfloxacin, USP grade
CAS:Formula:C16H18FN3O3Purity:≤ 0.5%Color and Shape:White to off-white or pale yellow powderMolecular weight:319.33rac-Efavirenz Impurity 22 (rac-Efavirenz benzoylaminoalcohol)
CAS:Formula:C21H17ClF3NO3Color and Shape:White To Off-White SolidMolecular weight:423.82Beclometasone (Beclomethasone) Dipropionate EP Impurity N
CAS:Formula:C28H36BrClO7Molecular weight:599.94Rivaroxaban EP Impurity H (Rivaroxaban USP Related Compound H)
CAS:Formula:C19H17Cl2N3O5SColor and Shape:Grey To Pale Brown SolidMolecular weight:470.32Modafinil, EP, USP grade
CAS:Formula:C15H15NO2SColor and Shape:White crystalline powderMolecular weight:273.35Ketoconazole Impurity 19
CAS:Formula:C26H29ClN4O4Color and Shape:White To Off-White SolidMolecular weight:496.99Fluticasone Furoate EP Impurity G
CAS:Formula:C27H29ClF2O6SColor and Shape:White To Off-White SolidMolecular weight:555.03Bortezomib Impurity 2 (S,R-Isomer)
CAS:Formula:C19H24N4O3Color and Shape:White To Off-White SolidMolecular weight:356.43Penehyclidine Impurity 15
CAS:Formula:C7H13NOColor and Shape:White To Off-White SolidMolecular weight:127.19Rivastigmine Hydrogen Tartrate EP Impurity F HCl
CAS:Formula:C11H17NO·HClColor and Shape:Pale Yellow SolidMolecular weight:179.26 36.46Betaxolol EP Impurity D
CAS:Formula:C12H16O2Color and Shape:Colorless Clear OilMolecular weight:192.26Nicorandil EP Impurity C Nitrate
CAS:Formula:C8H10N2O2·HNO3Color and Shape:White To Off-White SolidMolecular weight:166.18 63.01Vilazodone hydrochloride
CAS:Formula:C26H27N5O2·HClPurity:≥ 99.0%Color and Shape:White powderMolecular weight:477.98Metoprolol succinate, USP grade
CAS:Formula:C30H50N2O6·C4H6O4Purity:98.0 - 102.0 % (dried basis)Color and Shape:White to off-white powderMolecular weight:652.82Morinidazole Impurity 1
CAS:Formula:C11H18N4O5Color and Shape:Pale Yellow SolidMolecular weight:286.29Theophylline Impurity 19 (Mixture of Z and E Isomers)
CAS:Formula:C8H12O4Color and Shape:Colorless LiquidMolecular weight:172.18Dipyridamole EP Impurity G
CAS:Formula:C16H20Cl2N6Color and Shape:Pale Yellow SolidMolecular weight:367.28Lenvatinib Impurity 12 HCl
CAS:Formula:C24H18ClN3O5·HClColor and Shape:Off-White SolidMolecular weight:463.87 36.46Benzbromarone EP Impurity B
CAS:Formula:C17H11Br3O3Color and Shape:White To Off-White SolidMolecular weight:502.98Omeprazole, EP grade
CAS:Formula:C17H19N3O3SPurity:99.0 - 101.0 % (dried substance)Color and Shape:White or almost white powderMolecular weight:345.42Cetirizine 3-Chloro Impurity
CAS:Formula:C21H25ClN2O3Color and Shape:White To Off-White SolidMolecular weight:388.89Mezlocillin Impurity 2 (Mixture of Diastereomers)
Formula:C20H27N5O7S2Color and Shape:White To Off-White SolidMolecular weight:513.58Dofetilide Impurity 7
CAS:Formula:C18H25N3O3SColor and Shape:White To Off-White SolidMolecular weight:363.48Policresulen Impurity 8 Diammonium Salt
CAS:Formula:C7H6O7S2·2NH4Color and Shape:White To Off-White SolidMolecular weight:266.25 2*18.04Corticosterone Impurity 2
CAS:Formula:C20H28O4Color and Shape:White To Off-White SolidMolecular weight:332.44Oxaliplatin EP Impurity D
CAS:Formula:C8H14N2O4PtColor and Shape:White To Off-White SolidMolecular weight:397.29Umeclidinium Bromide Impurity 8
Formula:C19H28NO3·BrColor and Shape:White To Off-White SolidMolecular weight:318.44 79.90Argatroban Impurity 51 Acetate
CAS:Formula:C23H32N6O5S·C2H4O2Color and Shape:White To Off-White SolidMolecular weight:504.61 60.05Diclofenac, free acid
CAS:Formula:C14H11Cl2NO2Purity:≥ 98.0% (dried basis)Color and Shape:White to off-white or pale yellow-beige powderMolecular weight:296.15Fluvastatin sodium salt
CAS:Formula:C24H25FNO4·Na·xH2OPurity:98.0 - 102.0 % (anhydrous basis)Color and Shape:Off-white to pale yellow or light yellow-orange powderMolecular weight:433.45 (anhydrous)Scopolamine
CAS:Formula:C17H21NO4Purity:≥ 98.0%Color and Shape:Colourless to pale-yellow, viscous liquidMolecular weight:303.35Potassium iodide, BP, Ph. Eur. grade
CAS:Formula:KIPurity:≥ 99.0%Color and Shape:White crystalline powder or crystalsMolecular weight:166.01Dicycloverine EP Impurity B HCl
CAS:Formula:C19H33NO2·HClColor and Shape:White To Off-White SolidMolecular weight:307.48 36.46Brimonidine EP Impurity G HCl
CAS:Formula:C11H12BrN5O·HClColor and Shape:Pale Yellow SolidMolecular weight:310.15 36.46Glipizide EP Impurity C
CAS:Formula:C18H27N3O5SColor and Shape:White To Off-White SolidMolecular weight:397.49Pregabalin Impurity 7 D-Tartrate
CAS:Formula:C12H26N2O·C4H6O6Color and Shape:White To Off-White SolidMolecular weight:214.35 150.09Propidium iodide
CAS:Formula:C27H34I2N4Purity:(NMR) ≥ 94%Color and Shape:Red powderMolecular weight:668.39Beclometasone (Beclomethasone) Dipropionate EP Impurity V (Beclomethasone 9,11-Epoxide-21-Propionate)
CAS:Formula:C25H32O6Color and Shape:White To Off-White SolidMolecular weight:428.53Cefadroxil Impurity 5
Formula:C24H24N4O7SColor and Shape:White To Off-White SolidMolecular weight:512.54Lisinopril EP Impurity I
CAS:Formula:C31H41N3O7Color and Shape:White To Off-White SolidMolecular weight:567.68Sodium Gualenate Impurity 2 Sodium Salt
Formula:C15H15O4S·NaColor and Shape:Red SolidMolecular weight:291.34 22.99Noscapine Impurity 7 Sodium Salt (Noscapinic Acid Sodium Salt)
CAS:Formula:C22H24NO8·NaColor and Shape:White To Off-White SolidMolecular weight:430.44 22.99Ganciclovir EP Impurity I (Ganciclovir Dipropionate)
CAS:Formula:C15H21N5O6Color and Shape:White To Off-White SolidMolecular weight:367.36Chlorambucil EP Impurity A
CAS:Formula:C14H20ClNO3Color and Shape:White To Off-White SolidMolecular weight:285.77Besifloxacin Impurity 1
Formula:C19H21ClFN3O3·HClColor and Shape:Pale Yellow SolidMolecular weight:393.85 36.46Ketoconazole Impurity 15
CAS:Formula:C23H25BrCl2N2O4Color and Shape:White To Off-White SolidMolecular weight:544.27Carteolol HCl EP Impurity A
CAS:Formula:C9H11NO2Color and Shape:Off-White SolidMolecular weight:165.19Montelukast EP Impurity G (cis-Montelukast)
CAS:Formula:C35H36ClNO3SColor and Shape:Off-White SolidMolecular weight:586.19Azithromycin Impurity 2
Formula:C38H70N2O14Color and Shape:White To Off-White SolidMolecular weight:778.98Bortezomib Impurity 2 (Mixture of (1S,2R)-Isomer and (1R,2R)-Isomer)
Formula:C19H24N4O3Color and Shape:White To Off-White SolidMolecular weight:356.43Meropenem EP Impurity A Sodium Salt
CAS:Formula:C17H26N3O6S·NaColor and Shape:Yellow SolidMolecular weight:400.47 22.99Piracetam
CAS:Formula:C6H10N2O2Purity:98.0 - 102.0 % (dried basis)Color and Shape:White or almost white powderMolecular weight:142.16Fluorouracil EP Impurity A (Fluorouracil USP Related Compound A)
CAS:Formula:C4H4N2O3Molecular weight:128.09Metamizole EP Impurity C
CAS:Formula:C12H15N3OColor and Shape:Pale Yellow SolidMolecular weight:217.27L-Penicillamine
CAS:Formula:C5H11NO2SPurity:≥ 98.0%Color and Shape:White or almost white powderMolecular weight:149.21Carfilzomib Impurity 22
CAS:Formula:C40H57N5O7Color and Shape:Pale Yellow SolidMolecular weight:719.92Saxagliptin Impurity 8 (N-Formyl Saxagliptin)
Formula:C19H25N3O3Color and Shape:White To Off-White SolidMolecular weight:343.43Octreotide EP Impurity H Trifluoroacetate
CAS:Formula:C51H68N10O11S2·C2HF3O2Color and Shape:White To Off-White SolidMolecular weight:1061.30 114.02Valganciclovir Impurity 6 (Mixture of Diastereomers)
Formula:C18H26N6O10Color and Shape:White To Off-White SolidMolecular weight:486.44Pioglitazone
CAS:Formula:C19H20N2O3SPurity:≥ 98%Color and Shape:White to off-white powder or solidMolecular weight:356.44Mitoxantrone EP Impurity D HCl
CAS:Formula:C22H26N4O6·HClColor and Shape:Dark Blue SolidMolecular weight:442.47 36.46Cabazitaxel Impurity 15
CAS:Formula:C22H25NO6Color and Shape:White To Off-White SolidMolecular weight:399.44Enfuvirtide acetate
CAS:Formula:C204H301N51O64·C2H4O2Purity:(HPLC) ≥ 95.0%Color and Shape:White to off-white solidMolecular weight:4551.93Sacubitril Impurity 34
CAS:Formula:C20H23NO3Color and Shape:White To Off-White SolidMolecular weight:325.41Buserelin EP Impurity G Ditrifluoroacetate
Formula:C65H93N17O14·2C2HF3O2Molecular weight:1336.56 2*114.02Rabeprazole EP Impurity A (Rabeprazole Sulfone)
CAS:Formula:C18H21N3O4SColor and Shape:White To Off-White SolidMolecular weight:375.44Bisphenol A Impurity 10
CAS:Formula:C15H16O3Color and Shape:White To Off-White SolidMolecular weight:244.29Betamethasone dipropionate, micronised, USP grade
CAS:Formula:C28H37FO7Purity:≤ 1.0%Color and Shape:White or almost white powderMolecular weight:504.59Allopurinol
CAS:Formula:C5H5N4OPurity:(Titration) ≥ 98.0%Color and Shape:White to off-white powderMolecular weight:136.11Entecavir Impurity 22 (Mixture of Diastereomers)
Formula:C15H19N5O5Color and Shape:Pale Yellow SolidMolecular weight:349.35Progesterone EP Impurity E
CAS:Formula:C23H34O3Color and Shape:White To Off-White SolidMolecular weight:358.52Cefoperazone Impurity 19
CAS:Formula:C15H17N3O6Color and Shape:White To Off-White SolidMolecular weight:335.32Orphenadrine Impurity 6-d3 HCl
Formula:C33H34D3NO2·HClColor and Shape:Off-White SolidMolecular weight:482.68 36.46Ticagrelor EP Impurity C
CAS:Formula:C25H30F2N6O5SColor and Shape:White To Off-White SolidMolecular weight:564.62Piroxicam
CAS:Formula:C15H13N3O4SPurity:98.0 - 102.0 %Color and Shape:White to light-green powderMolecular weight:331.35Flupentixol Impurity 1
CAS:Formula:C17H13F3OSColor and Shape:White To Off-White SolidMolecular weight:322.35Amisulpride Impurity 1
Formula:C20H24N2O9S2Color and Shape:White To Off-White SolidMolecular weight:500.54Quetiapine Impurity 2 DiHCl (Quetiapine O-Ethanol Impurity DiHCl)
CAS:Formula:C23H29N3O3S·2HClColor and Shape:White To Off-White SolidMolecular weight:427.56 2*36.46Tizanidine EP Impurity C
CAS:Formula:C16H14Cl2N10O2Color and Shape:Yellow SolidMolecular weight:481.38Ramosetron Impurity 13
CAS:Formula:C9H9NColor and Shape:White To Off-White SolidMolecular weight:131.18Cefotetan Impurity 3
CAS:Formula:C24H24N6O3S3Color and Shape:Pale Yellow SolidMolecular weight:540.68Sulindac EP Impurity B-d3 (Sulindac USP Related Compound B-d3, Sulindac Sulfone-d3)
CAS:Formula:C20H14D3FO4SColor and Shape:Yellow SolidMolecular weight:375.43Argatroban Impurity 11
Formula:C23H35N5O6SColor and Shape:White To Off-White SolidMolecular weight:509.62Estriol EP Impurity F
CAS:Formula:C18H24O3Color and Shape:White To Off-White SolidMolecular weight:288.39Brexpiprazole Impurity 17
CAS:Formula:C28H34N4S2Color and Shape:White To Off-White SolidMolecular weight:490.74Amoxicillin EP Impurity A (Sulbactam EP Impurity B, Piperacillin EP Impurity H, Amoxicillin USP Related Compound A)
CAS:Formula:C8H12N2O3SColor and Shape:White To Off-White SolidMolecular weight:216.26Famciclovir Impurity 15
CAS:Formula:C14H18ClN5O4Color and Shape:White To Off-White SolidMolecular weight:355.78Ornidazole Impurity 5
CAS:Formula:C7H9N3O3Color and Shape:White To Off-White SolidMolecular weight:183.17Ezetimibe Impurity 28
CAS:Formula:C31H27F2NO3Color and Shape:White To Off-White SolidMolecular weight:499.56Citalopram Impurity 26 Chloride HCl
CAS:Formula:C40H41F2N4O·Cl·HClMolecular weight:631.79 35.45 36.46Metoprolol EP Impurity A
CAS:Formula:C14H23NO3Color and Shape:White To Off-White SolidMolecular weight:253.34Quetiapine Impurity 15 (2-Aminodiphenyl Sulfide)
CAS:Formula:C12H11NSColor and Shape:White To Off-White SolidMolecular weight:201.29Bisoprolol EP Impurity L (Metoprolol EP Impurity C, Metoprolol USP Related Compound C (Free Form))
CAS:Formula:C13H19NO3Color and Shape:White To Off-White SolidMolecular weight:237.30Policresulen Impurity 1
CAS:Formula:C15H16O2Color and Shape:White To Off-White SolidMolecular weight:228.29Fenticonazole EP Impurity C Nitrate
CAS:Formula:C24H20Cl2N2O3S·HNO3Color and Shape:White To Off-White SolidMolecular weight:487.40 63.01Trospium EP Impurity A (Trospium Chloride USP Related Compound A)
CAS:Formula:C14H12O3Molecular weight:228.25Lanthionine Impurity 1
Formula:C10H16N2O6SColor and Shape:White To Off-White SolidMolecular weight:292.31Montelukast Impurity 5
CAS:Formula:C28H24ClNO3Color and Shape:Pale Yellow SolidMolecular weight:457.95Cysteamine Impurity 2
CAS:Formula:C4H9NOSColor and Shape:White To Off-White SolidMolecular weight:119.18Zolpidem Impurity 2
CAS:Formula:C14H14N2OColor and Shape:White To Off-White SolidMolecular weight:226.28Lansoprazole Impurity 38
CAS:Formula:C14H13N3OSColor and Shape:Pale Yellow SolidMolecular weight:271.34Balsalazide Impurity 62
CAS:Formula:C20H21N3O6Color and Shape:Yellow Brown SolidMolecular weight:399.40Levetiracetam EP Impurity G HCl (Levetiracetam USP Related Compound B)
CAS:Formula:C4H10N2O·HClColor and Shape:White To Off-White SolidMolecular weight:102.14 36.46Etodolac EP Impurity E (8-Propyl Etodolac)
CAS:Formula:C18H23NO3Color and Shape:White To Off-White SolidMolecular weight:301.39Irinotecan EP Impurity F (7-Ethyl Camptothecin)
CAS:Formula:C22H20N2O4Color and Shape:Yellow SolidMolecular weight:376.41Rivastigmine EP Impurity A L-Tartrate (Rivastigmine USP Related Compound C L-Tartrate, NAP226-90 L-Tartrate)
CAS:Formula:C10H15NO·C4H6O6Molecular weight:165.24 150.09Ibuprofen Impurity 18 (4-Isobutylstyrene)
CAS:Formula:C12H16Color and Shape:Colorless Clear LiquidMolecular weight:160.26Tinidazole Impurity 2 (2-(Ethylthio)ethanol)
CAS:Formula:C4H10OSColor and Shape:Pale Yellow LiquidMolecular weight:106.18Permethrin EP Impurity C (3-Phenoxybenzyl Alcohol)
CAS:Formula:C13H12O2Color and Shape:Colorless LiquidMolecular weight:200.24Urapidil Impurity 6 HCl
CAS:Formula:C11H16N2O·HClColor and Shape:White To Off-White SolidMolecular weight:192.26 36.46Moxifloxacin Impurity 83 DiHCl
CAS:Formula:C7H14N2·2HClColor and Shape:White To Off-White SolidMolecular weight:126.20 2*36.46Tirofiban Cyclohexyl Impurity
Formula:C22H42N2O5SColor and Shape:Off-White SolidMolecular weight:446.65Icatibant Impurity 9 Tetratrifluoroacetate
Formula:C61H91N19O14S·4C2HF3O2Molecular weight:1346.58 4*114.02Nadolol EP Impurity G (Nadolol USP Related Compound G)
CAS:Formula:C17H27NO2Color and Shape:White To Off-White SolidMolecular weight:277.41Methotrexate EP Impurity K (Folinic Acid EP Impurity A)
CAS:Formula:C12H14N2O5Color and Shape:Light Brown SolidMolecular weight:266.25Salicylic Acid Impurity 12 (Dimethyl Sulfate)
CAS:Formula:C2H6O4SColor and Shape:Colorless LiquidMolecular weight:126.13Cefditoren Impurity 15
CAS:Formula:C19H18N6O5S3Color and Shape:Off-White SolidMolecular weight:506.57Fulvestrant EP Impurity D (Fulvestrant Sterol Dimer) (Mixture of Diastereomers)
CAS:Formula:C45H64O4Color and Shape:Off-White SolidMolecular weight:669.00Ephedrine Impurity 14 HCl
Formula:C16H19NO2·HClColor and Shape:White To Off-White SolidMolecular weight:257.33 36.46Irbesartan Impurity 15 Sodium Salt
CAS:Formula:C14H10N7·NaColor and Shape:White To Off-White SolidMolecular weight:276.28 22.99Azelastine Impurity 2 HCl
Formula:C23H24ClN3O·HClColor and Shape:Pale Yellow SolidMolecular weight:393.92 36.46Lamivudine Impurity 3
Formula:C18H27N3O4SColor and Shape:White To Off-White SolidMolecular weight:381.49Sumatriptan EP Impurity A (Sumatriptan Succinate USP Related Compound A (Free Form))
CAS:Formula:C27H37N5O2SColor and Shape:Off-White SolidMolecular weight:495.69Gemfibrozil
CAS:Formula:C15H22O3Purity:≥ 98.0% (anhydrous basis)Color and Shape:White crystalline powderMolecular weight:250.33Methotrexate Impurity 2 Trifluoroacetate
CAS:Formula:C21H27N9O3·C2HF3O2Color and Shape:Orange SolidMolecular weight:453.51 114.02
![Butanedioic acid,mono[(2R)-3,4-dihydro-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H…](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2FIN%2Fthumb-webp%2FDA00I8BP.webp&w=3840&q=75)
