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(12,268 products)
- Anthraquinones and derivatives(405 products)
- Benzimidazole and Imidazole Derivatives(10,354 products)
- Benzodiazepine Derivatives(333 products)
- Carbohydrates and glycoconjugates(5,010 products)
- Esters and Derivatives(42,025 products)
- Fatty Acids and Lypidic Derivatives(32,211 products)
- Flavonoids and Polyphenols(16,999 products)
- Free Radicals and Oxidant/Reducing Agents(213 products)
- Ketones and derivatives(2,393 products)
- Natural and semi-synthetic antibiotics(6,347 products)
- Nitriles and Cyano Derivatives(3,042 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,421 products)
- Organic Phosphates and Phosphonates(1,201 products)
- Organic Sulphonates and Sulphates(10,393 products)
- Organometallics(4,400 products)
- Others(6,275 products)
- Peptides and Proteins(3,117 products)
- Polymers and Derivatives(99 products)
- Purines and Pyrimidine Derivatives(8,897 products)
- Quinazoline and Quinoline Derivatives(65,576 products)
- Quinones and Derivatives(24,205 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(79,376 products)
- Steroids and Derivatives(4,948 products)
- Sulfonamides and Derivatives(2,589 products)
- Terpenoids and Derivatives(3,837 products)
- Thiazolidinediones and Thiopyrans(2,733 products)
- β-Adrenergic Compounds(230 products)
Show 21 more subcategories
Found 56677 products of "APIs for research and impurities"
Sort by
Purity (%)
0
100
|
0
|
50
|
90
|
95
|
100
2-Bromo-2-nitro-1,3-propanediol
CAS:Formula:C3H6BrNO4Purity:98.0 - 102.0 % (anhydrous basis)Color and Shape:White to faint yellow crystalline powderMolecular weight:199.99Nimesulide EP Impurity E
CAS:Formula:C14H15NO5S2Color and Shape:White To Off-White SolidMolecular weight:341.41Phenytoin EP Impurity A (Dimenhydrinate EP Impurity J)
CAS:Formula:C13H10OColor and Shape:White To Off-White SolidMolecular weight:182.22Dapagliflozin Impurity 23
CAS:Formula:C21H23ClO7Color and Shape:White To Off-White SolidMolecular weight:422.86Bilastine Impurity 14 DiHCl
CAS:Formula:C24H29N3O2·2HClColor and Shape:Off-White SolidMolecular weight:391.52 2*36.46Lacosamide
CAS:Formula:C13H18N2O3Purity:(HPLC) ≥ 98.0%Color and Shape:White to off-white powderMolecular weight:250.29Oxytocin EP Impurity B Ditrifluoroacetate (Oxytocin Antiparallel Dimer Ditrifluoroacetate)
CAS:Formula:C86H132N24O24S4·2C2HF3O2Molecular weight:2014.39 2*114.02Racecadotril EP Impurity D (Mixture of Diastereomers)
CAS:Formula:C24H28N2O6S2Color and Shape:White To Off-White SolidMolecular weight:504.62Efavirenz Impurity 9
CAS:Formula:C16H15ClF3NO3Color and Shape:White To Off-White SolidMolecular weight:361.75Guaiacol glyceryl ether
CAS:Formula:C10H14O4Purity:(Titration) 98.0 - 102.0 % (dried substance)Color and Shape:White to off-white powderMolecular weight:198.22Otilonium Bromide Impurity 3
CAS:Formula:C14H23N2O2·BrColor and Shape:White To Off-White SolidMolecular weight:251.35 79.90Cinchocaine EP Impurity C
CAS:Formula:C16H21N3O2Color and Shape:White To Off-White SolidMolecular weight:287.36Morinidazole Impurity 6
Formula:C10H16N4O4Color and Shape:White To Off-White SolidMolecular weight:256.26Meloxicam Impurity 4 (CDBC96SE)
CAS:Formula:C8H9NO4SColor and Shape:White To Off-White SolidMolecular weight:215.22Chitosan, low molecular weight
CAS:Formula:(C6H11NO4)nColor and Shape:Off-white to light brown or yellow powderMolecular weight:~50,000Carbidopa EP Impurity F (Carbidopa Ethyl Ester)
CAS:Formula:C12H18N2O4Color and Shape:Off-White SolidMolecular weight:254.29Sacubitril Impurity 19
CAS:Formula:C22H23NO4Color and Shape:White To Off-White SolidMolecular weight:365.43Nateglinide EP Impurity B (Nateglinide USP Related Compound B, ent-Nateglinide)
CAS:Formula:C19H27NO3Molecular weight:317.43Paclitaxel EP Impurity K (7-O-(Triethylsilyl) Paclitaxel)
CAS:Formula:C53H65NO14SiColor and Shape:White To Off-White SolidMolecular weight:968.18Pargeverine Impurity 2
CAS:Formula:C18H16O3Color and Shape:White To Off-White SolidMolecular weight:280.32Paroxetine EP Impurity H HCl
CAS:Formula:C19H22FNO·HClColor and Shape:White To Off-White SolidMolecular weight:299.39 36.46Trazodone EP Impurity D HCl (Trazodone Hydrochloride BP Impurity D HCl, Trazodone USP Related Compound D)
CAS:Formula:C19H22BrN5O·HClColor and Shape:White To Off-White SolidMolecular weight:416.32 36.46Gefitinib Impurity 23
Formula:C16H20ClN3O4Color and Shape:White To Off-White SolidMolecular weight:353.80Captopril EP Impurity L
Formula:C19H30N2O6S2Color and Shape:White To Off-White SolidMolecular weight:446.58Procaine hydrochloride
CAS:Formula:C13H20N2O2·HClPurity:98.5 - 101.5 % (dried basis)Color and Shape:White crystalline powder or colourless crystalsMolecular weight:272.78Protirelin EP Impurity B
CAS:Formula:C16H22N6O4Color and Shape:White To Off-White SolidMolecular weight:362.39Diclofenac EP Impurity D
CAS:Formula:C14H11BrClNO2Color and Shape:Pale Yellow SolidMolecular weight:340.60Indomethacin Impurity 13
Formula:C22H22ClNO5Color and Shape:White To Off-White SolidMolecular weight:415.87Paliperidone Impurity 13
CAS:Formula:C11H16N2O3Color and Shape:Pale Yellow SolidMolecular weight:224.265'-Xanthylic Acid Disodium Salt
CAS:Formula:C10H11N4O9P·2NaColor and Shape:White To Off-White SolidMolecular weight:362.19 2*22.99Metoclopramide EP Impurity F HCl
CAS:Formula:C13H20ClN3O2·HClColor and Shape:Pale Yellow SolidMolecular weight:285.78 36.46Allopregnanolone
CAS:Formula:C21H34O2Purity:≥ 98.0%Color and Shape:White to light-yellow crystalline powderMolecular weight:318.49Macamide Impurity 11 (N-Benzyl-5-Oxo-6E,8E-Octadecadienamide)
CAS:Formula:C25H37NO2Color and Shape:White To Off-White SolidMolecular weight:383.58Emtricitabine
CAS:Formula:C8H10FN3O3SPurity:≥ 98.0%Color and Shape:White to off-white crystalline powderMolecular weight:247.25Ropinirole EP Impurity B HCl
CAS:Formula:C16H24N2O·HClColor and Shape:Off-White SolidMolecular weight:260.38 36.46Zafirlukast
CAS:Formula:C31H33N3O6SPurity:≥ 98.5%Color and Shape:Off-white to pink or light yellow/brown powderMolecular weight:575.68Fasudil Impurity 19
CAS:Formula:C9H7NO3SColor and Shape:White To Off-White SolidMolecular weight:209.22Carboxyamidotriazole Impurity 1
CAS:Formula:C14H9Cl3O2Color and Shape:White To Off-White SolidMolecular weight:315.57Epigallocatechin gallate
CAS:Formula:C22H18O11Purity:≥ 98.0%Color and Shape:White to off-white or faint red powderMolecular weight:458.40Bisoprolol Impurity 1
CAS:Formula:C15H23NO5Color and Shape:White To Off-White SolidMolecular weight:297.35Benazepril EP Impurity A HCl (Benazepril USP Related Compound A, ent-Benazepril HCl)
CAS:Formula:C24H28N2O5·HClMolecular weight:424.50 36.46Pemetrexed Impurity 18 Sodium Salt
CAS:Formula:C21H22N5O6·NaColor and Shape:Pale Yellow SolidMolecular weight:440.44 22.99Lansoprazole EP Impurity F (Rabeprazole EP Impurity H, Rabeprazole USP Related Compound F)
CAS:Formula:C14H12ClN3OSColor and Shape:White To Off-White SolidMolecular weight:305.78Mefenamic acid
CAS:Formula:C15H15NO2Purity:≥ 98.0%Color and Shape:White to off-white powderMolecular weight:214.29Amoxicillin EP Impurity C (Amoxicillin Diketopiperazines)
CAS:Formula:C16H19N3O5SColor and Shape:White To Off-White SolidMolecular weight:365.40Labetalol Impurity 3
CAS:Formula:C8H7NO3Color and Shape:White To Off-White SolidMolecular weight:165.15Nalidixic acid sodium salt
CAS:Formula:C12H11N2NaO3Purity:(Titration) ≥ 98.0% (dried basis)Color and Shape:White, off-white or light-yellow powderMolecular weight:254.22Fenofibrate EP Impurity B (Fenofibrate USP Related Compound B, Fenofibric Acid)
CAS:Formula:C17H15ClO4Color and Shape:White To Off-White SolidMolecular weight:318.75Lycopene
CAS:Formula:C40H56Purity:≥ 90.0% (dried basis)Color and Shape:Red to dark brown powderMolecular weight:536.87Tofacitinib Impurity 4 DiHCl
Formula:C14H22N2O·2HClColor and Shape:Off-White SolidMolecular weight:234.34 2 36.46Benzbromarone Impurity 7 (6-Hydroxy Benzbromarone)
CAS:Formula:C17H12Br2O4Color and Shape:Yellow SolidMolecular weight:440.09Lomefloxacin Impurity 10
Formula:C12H7F2NO3Color and Shape:White To Off-White SolidMolecular weight:251.19Tamoxifen
CAS:Formula:C26H29NOPurity:≥ 99.0%Color and Shape:White to off-white crystalline powderMolecular weight:371.52Moxifloxacin Impurity 4 DiHCl
CAS:Formula:C14H20N2·2HClColor and Shape:Pale Red SolidMolecular weight:216.33 2 36.46Dapoxetine Impurity 5 (Mixture of Z and E Isomers)
Formula:C30H31NOColor and Shape:Yellow LiquidMolecular weight:421.59Carglumic Acid Impurity 6
Formula:C7H11N3O6Color and Shape:White To Off-White SolidMolecular weight:233.18Nevirapine
CAS:Formula:C15H14N4OPurity:98.0 - 102.0 % (dried basis)Color and Shape:White to off-white crystalline powderMolecular weight:266.30Mupirocin Impurity 1
CAS:Formula:C27H48O7Color and Shape:White To Off-White SolidMolecular weight:484.67Naphazoline Impurity 3 DiHCl
CAS:Formula:C5H14N4S·2HClColor and Shape:White To Off-White SolidMolecular weight:162.26 2 36.46Tirofiban Impurity 61
Formula:C20H32N2O5SColor and Shape:White To Off-White SolidMolecular weight:412.55Loxapine Impurity 3-d8 Iodide
Formula:C19H13D8ClN3O·IColor and Shape:Off-White SolidMolecular weight:350.90 126.91Iloperidone Impurity 24
Formula:C12H15FN2OColor and Shape:White To Off-White SolidMolecular weight:222.26Nefazodone Impurity 2 HCl
CAS:Formula:C13H17ClN2·HClColor and Shape:White To Off-White SolidMolecular weight:236.74 36.46Orphenadrine EP Impurity E HCl (Orphenadrine USP Related Compound E HCl)
CAS:Formula:C18H23NOHClColor and Shape:Off-White SolidMolecular weight:269.39 36.46Prucalopride Impurity 5
CAS:Formula:C20H28ClN3O4Color and Shape:White To Off-White SolidMolecular weight:409.91Apalutamide Impurity 4
CAS:Formula:C20H17F4N5O2Color and Shape:Off-White SolidMolecular weight:435.38Faropenem Impurity 4 Sodium Salt
CAS:Formula:C12H14NO6S·NaColor and Shape:White To Off-White SolidMolecular weight:300.31 22.99Betamethasone Impurity 61
CAS:Formula:C21H27FO4Color and Shape:White To Off-White SolidMolecular weight:362.44Praziquantel EP Impurity C (Praziquantel USP Related Compound C)
CAS:Formula:C19H22N2O4Color and Shape:White To Off-White SolidMolecular weight:342.40Ceftobiprole medocaril
CAS:Formula:C20H22N8O6S2Purity:≥ 98.0%Color and Shape:White to off-white powderMolecular weight:534.57Ribavirin Impurity 1
CAS:Formula:C4H5N3O2Color and Shape:White To Off-White SolidMolecular weight:127.10N-Desmethylclozapine
CAS:Formula:C17H17ClN4Purity:≥ 97.0%Color and Shape:Yellow powderMolecular weight:312.80Empagliflozin Impurity 11
Formula:C17H16BrIO2Color and Shape:White To Off-White SolidMolecular weight:459.12Bumetanide EP Impurity A (Bumetanide USP Related Compound B)
CAS:Formula:C13H10N2O7SColor and Shape:Yellow SolidMolecular weight:338.29Fingolimod Impurity 34
Formula:C22H33NO5Color and Shape:White To Off-White SolidMolecular weight:391.51Bisacodyl EP Impurity E
CAS:Formula:C22H19NO4Color and Shape:White To Off-White SolidMolecular weight:361.40Eplerenone EP Impurity D
CAS:Formula:C23H28O6Color and Shape:White To Off-White SolidMolecular weight:400.47Sugammadex Impurity 52
CAS:Formula:C73H114O48S8Color and Shape:White To Off-White SolidMolecular weight:2016.15Ethacrynic Acid Impurity 2
CAS:Formula:C26H24Cl4O8Color and Shape:White To Off-White SolidMolecular weight:606.27Pioglitazone Impurity 3
CAS:Formula:C34H35N3O4SColor and Shape:White To Off-White SolidMolecular weight:581.73Naphazoline EP Impurity A-d4
CAS:Formula:C14H12D4N2OColor and Shape:Off-White SolidMolecular weight:232.32Empagliflozin Impurity 57
CAS:Formula:C23H27ClO7Color and Shape:Off-White SolidMolecular weight:450.91Fluticasone Propionate EP Impurity D (Fluticasone Propionate USP Related Compound D)
CAS:Formula:C25H32F2O5SColor and Shape:White To Off-White SolidMolecular weight:482.58Pyridoxamine dihydrochloride
CAS:Formula:C8H12N2O2·2HClPurity:≥ 98.0%Color and Shape:White to off-white powderMolecular weight:241.12Betamethasone Impurity 40
CAS:Formula:C23H31FO7SColor and Shape:White To Off-White SolidMolecular weight:470.55Budesonide Impurity 2
CAS:Formula:C19H24O4Color and Shape:White To Off-White SolidMolecular weight:316.40Tamsulosin hydrochloride
CAS:Formula:C20H28N2O5S·HClPurity:98.0 - 101.5 % (dried basis)Color and Shape:White or almost white crystalline powderMolecular weight:444.97Lenalidomide Impurity 1
CAS:Formula:C13H15N3O4Color and Shape:Pale Yellow SolidMolecular weight:277.28Fingolimod EP Impurity E HCl
CAS:Formula:C35H57NO2·HClColor and Shape:White To Off-White SolidMolecular weight:523.85 36.46Isavuconazole Impurity 7 Chloride DiHCl (Mixture of Diastereomers)
Formula:C35H35F2N8O5S·Cl·2HClColor and Shape:White To Off-White SolidMolecular weight:717.77 35.45 2*36.46Iguratimod Impurity 8 HCl
CAS:Formula:C16H18N2O5S·HClColor and Shape:White To Off-White SolidMolecular weight:350.40 36.46Icatibant Impurity 8 Tetratrifluoroacetate
Formula:C59H89N19O13S·4C2HF3O2Color and Shape:Off-White SolidMolecular weight:1304.54 4*114.02Budesonide Impurity 12
CAS:Formula:C23H28O6Color and Shape:White To Off-White SolidMolecular weight:400.47Theophylline EP Impurity C (Theophylline USP Related Compound C, Theophylline-Ethylenediamine EP Impurity C, Caffeine EP Impurity B)
CAS:Formula:C7H10N4O3Color and Shape:White To Off-White SolidMolecular weight:198.18Omeprazole Impurity 70
CAS:Formula:C16H17N3O2SColor and Shape:White To Off-White SolidMolecular weight:315.39Deoxycholic Acid (Chenodeoxycholic Acid EP Impurity E, Ursodeoxycholic Acid EP Impurity E)
CAS:Formula:C24H40O4Molecular weight:392.58Bacitracin EP Impurity G Ditrifluoroacetate
CAS:Formula:C65H96N16O17S·2C2HF3O2Molecular weight:1405.64 2*114.02Difluprednate Impurity 7-d5 (Difluprednate Hydroxy Impurity-d5, 21-Desacetyl Difluprednate-d5)
CAS:Formula:C25H27D5F2O6Color and Shape:White To Off-White SolidMolecular weight:471.55Captopril EP Impurity A (Captopril Disulfide)
CAS:Formula:C18H28N2O6S2Color and Shape:White To Off-White SolidMolecular weight:432.55Alprostadil (Prostaglandin E1) EP Impurity J
CAS:Formula:C23H40O5Color and Shape:Colourless LiquidMolecular weight:396.57Cefixime EP Impurity B (E-isomer) Trifluoroacetate
Formula:C15H17N5O6S2·C2HF3O2Molecular weight:427.45 114.02Posaconazole Impurity 13 (POS-H)
Formula:C37H40F2N8O6Color and Shape:White To Off-White SolidMolecular weight:730.77Mesalazine (Mesalamine) EP Impurity F
CAS:Formula:C7H7NO3Color and Shape:Grey SolidMolecular weight:153.14Dasatinib
CAS:Formula:C22H26ClN7O2SH2OPurity:≥ 98.0%Color and Shape:White to off-white powderMolecular weight:506.02Amlexanox
CAS:Formula:C16H14N2O4Purity:≥ 99.0%Color and Shape:White to off-white powderMolecular weight:298.29Levonorgestrel EP Impurity N
CAS:Formula:C19H26O2Color and Shape:White To Off-White SolidMolecular weight:286.42Lomefloxacin Impurity 8 HCl
CAS:Formula:C15H18FN3O3·HClColor and Shape:White To Off-White SolidMolecular weight:307.33 36.46Emtricitabine Impurity 16 Disodium Salt
CAS:Formula:C18H22FN8O7PS·2NaColor and Shape:White To Off-White SolidMolecular weight:544.46 2*22.99Fosfomycin tromethamine
CAS:Formula:C7H18NO7PPurity:(HPLC) 98.0 - 102.0 % (anhydrous substance)Color and Shape:White or almost white powderMolecular weight:259.19Solifenacin EP Impurity H
CAS:Formula:C23H26N2O2Color and Shape:Pale Yellow SolidMolecular weight:362.47Theophylline (Dimenhydrinate EP Impurity A, Diprophylline EP Impurity B)
CAS:Formula:C7H8N4O2Color and Shape:White To Off-White SolidMolecular weight:180.17Metamizole EP Impurity B (Ampyrone)
CAS:Formula:C11H13N3OColor and Shape:Pale Yellow SolidMolecular weight:203.25Foscarnet Sodium EP Impurity A
CAS:Formula:C3H5O5P·2NaColor and Shape:White To Off-White SolidMolecular weight:152.04 2*22.99N-Nitroso Iminostilbene-d4 (N-Nitroso Carbamazepine EP Impurity D-d4, N-Nitroso Carbamazepine USP Related Compound B-d4, N-Nitroso Dibenzazepine-d4)
Formula:C14H6D4N2OMolecular weight:226.27Strontium Ranelate impurity F
Formula:C10H8N2O4S·SrColor and Shape:Off-White SolidMolecular weight:252.25 87.62rac-Anatabine (rac-Nicotine EP Impurity A, Nicotine USP Related Compound A)
CAS:Formula:C10H12N2Molecular weight:160.22Lincomycin hydrochloride
CAS:Formula:C18H34N2O6S·HCl·xH2OPurity:90.0 - 102.0 % (C18H35ClN2O6S, anhydrous basis)Color and Shape:White or almost white crystalline powderMolecular weight:443.00 (anhydrous)Cimetidine EP Impurity B
CAS:Formula:C10H15N5OSColor and Shape:White To Off-White SolidMolecular weight:253.32Racecadotril EP Impurity H (Mixture of Diastereomers)
CAS:Formula:C38H40N2O6S2Color and Shape:White To Off-White SolidMolecular weight:684.87Temozolomide EP Impurity B (Temozolomide Acid)
CAS:Formula:C6H5N5O3Color and Shape:Off-White SolidMolecular weight:195.14Nizatidine Impurity A
CAS:Formula:C4H9N3O2Color and Shape:White To Off-White SolidMolecular weight:131.14Gefitinib Impurity 50
CAS:Formula:C12H12Cl2N2O2Color and Shape:White To Off-White SolidMolecular weight:287.14Isotretinoin
CAS:Formula:C20H28O2Purity:97.5 - 102.5 % (dried basis)Color and Shape:Off-white, pale yellow, yellow-orange or orange crystalline powderMolecular weight:300.44Cangrelor Impurity 5
CAS:Formula:C13H16F3N5O4SColor and Shape:White To Off-White SolidMolecular weight:395.36Lansoprazole EP Impurity B (Lansoprazole USP Related Compound A, Lansoprazole Sulfone)
CAS:Formula:C16H14F3N3O3SColor and Shape:White To Off-White SolidMolecular weight:385.36Varenicline Impurity 1
CAS:Formula:C13H11F3N2O3Color and Shape:Pale Yellow SolidMolecular weight:300.24
