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(12,278 products)
- Anthraquinones and derivatives(405 products)
- Benzimidazole and Imidazole Derivatives(10,376 products)
- Benzodiazepine Derivatives(333 products)
- Carbohydrates and glycoconjugates(5,013 products)
- Esters and Derivatives(42,045 products)
- Fatty Acids and Lypidic Derivatives(32,246 products)
- Flavonoids and Polyphenols(17,012 products)
- Free Radicals and Oxidant/Reducing Agents(213 products)
- Ketones and derivatives(2,394 products)
- Natural and semi-synthetic antibiotics(6,363 products)
- Nitriles and Cyano Derivatives(3,045 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,427 products)
- Organic Phosphates and Phosphonates(1,201 products)
- Organic Sulphonates and Sulphates(10,406 products)
- Organometallics(4,401 products)
- Others(6,279 products)
- Peptides and Proteins(3,128 products)
- Polymers and Derivatives(99 products)
- Purines and Pyrimidine Derivatives(8,901 products)
- Quinazoline and Quinoline Derivatives(65,630 products)
- Quinones and Derivatives(24,237 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(79,464 products)
- Steroids and Derivatives(4,964 products)
- Sulfonamides and Derivatives(2,592 products)
- Terpenoids and Derivatives(3,839 products)
- Thiazolidinediones and Thiopyrans(2,733 products)
- β-Adrenergic Compounds(230 products)
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Found 56790 products of "APIs for research and impurities"
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Valproic Acid EP Impurity C (Valproic Acid USP Related Compound B)
CAS:Formula:C8H16O2Color and Shape:Colorless LiquidMolecular weight:144.21Dexamethasone EP Impurity C
CAS:Formula:C22H31FO5Color and Shape:White To Off-White SolidMolecular weight:394.49Varenicline Impurity 11 DiHCl
CAS:Formula:C12H13N3·2HClColor and Shape:Off-White SolidMolecular weight:199.26 2*36.46Naproxen EP Impurity A (O-Desmethyl Naproxen)
CAS:Formula:C13H12O3Color and Shape:White To Off-White SolidMolecular weight:216.24Atomoxetine EP Impurity G DiHCl (Mixture of Diastereomers)
CAS:Formula:C27H34N2O2·2HClColor and Shape:White To Off-White SolidMolecular weight:418.58 2*36.46Enalapril EP Impurity I (Clotrimazole EP Impurity D, Bifonazole EP Impurity C, Ondansetron EP Impurity E, Sildenafil EP Impurity E, Zoledronic Acid EP Impurity C)
CAS:Formula:C3H4N2Color and Shape:White To Off-White SolidMolecular weight:68.08Olmesartan Medoxomil Impurity 9 HCl
Formula:C11H18N2O2·HClColor and Shape:White To Off-White SolidMolecular weight:210.28 36.46Adrenaline EP Impurity E HCl
CAS:Formula:C16H17NO3·HClColor and Shape:White To Off-White SolidMolecular weight:271.32 36.46Hydralazine-d4 HCl (Dihydralazine EP Impurity C-d4 HCl)
CAS:Formula:C8H4D4N4·HClColor and Shape:Off-White SolidMolecular weight:164.20 36.46Hydralazine HCl (Dihydralazine EP Impurity C HCl)
CAS:Formula:C8H8N4·HClColor and Shape:White To Off-White SolidMolecular weight:160.18 36.46Ropinirole Impurity 5 (Mixture of Diastereomers)
CAS:Formula:C33H48N4O2Color and Shape:White To Off-White SolidMolecular weight:532.77Escitalopram EP Impurity M
CAS:Formula:C20H22FNO3Color and Shape:White To Off-White SolidMolecular weight:343.40Brimonidine Tartrate Impurity 8
CAS:Formula:C15H12BrN5O3Color and Shape:White To Off-White SolidMolecular weight:390.20Ticagrelor Impurity 76
Formula:C27H32F2N6O9SColor and Shape:White To Off-White SolidMolecular weight:654.64Cinitapride Impurity 1 HCl
CAS:Formula:C14H20N4O4·HClColor and Shape:Yellow SolidMolecular weight:308.34 36.46Ceftriaxone EP Impurity E
CAS:Formula:C12H13N5O5S2Color and Shape:White To Off-White SolidMolecular weight:371.39Pyridoxine Impurity 2
CAS:Formula:C16H20N2O5Color and Shape:White To Off-White SolidMolecular weight:320.35Didanosine EP Impurity F
CAS:Formula:C10H10N4O3Color and Shape:White To Off-White SolidMolecular weight:234.22Entecavir Impurity 6 (ent-Entecavir-di-O-benzyl Ether)
CAS:Formula:C26H27N5O3Color and Shape:White To Off-White SolidMolecular weight:457.53Beclometasone (Beclomethasone) Dipropionate EP Impurity F
CAS:Formula:C28H36BrClO7Color and Shape:White To Off-White SolidMolecular weight:599.94Nisoldipine Impurity 3 (Dehydronitrosonisoldipine)
CAS:Formula:C20H22N2O5Color and Shape:Pale Blue SolidMolecular weight:370.41Levocarnitine Impurity 2 Chloride
CAS:Formula:C7H14NO2·ClColor and Shape:White To Off-White SolidMolecular weight:144.19 35.45Losartan EP Impurity H
CAS:Formula:C41H37ClN6OColor and Shape:White To Off-White SolidMolecular weight:665.24Tirofiban Impurity 4 Potassium Salt
Formula:C22H35N2O6S·KColor and Shape:White To Off-White SolidMolecular weight:455.60 39.10Formoterol Impurity 25
Formula:C33H36N2O4Color and Shape:White To Off-White SolidMolecular weight:524.66Uridine Impurity 1
CAS:Formula:C9H10N2O5Color and Shape:White To Off-White SolidMolecular weight:226.19Ampicillin EP Impurity I
CAS:Formula:C24H26N4O5SColor and Shape:White To Off-White SolidMolecular weight:482.56Epinephrine Impurity 1 Sodium Salt
CAS:Formula:C9H12NO6S·NaColor and Shape:Off-White SolidMolecular weight:262.26 22.99Noradrenaline EP Impurity D HCl
CAS:Formula:C9H13NO3·HClColor and Shape:Off-White SolidMolecular weight:183.21 36.46Carbidopa EP Impurity D
CAS:Formula:C17H24N2O4Color and Shape:White To Off-White SolidMolecular weight:320.39Brimonidine EP Impurity F
CAS:Formula:C11H8BrN5Color and Shape:Brown-Yellow SolidMolecular weight:290.12Phenylephrine Impurity 22
CAS:Formula:C8H8Cl2O2Color and Shape:White To Off-White SolidMolecular weight:207.05Abacavir EP Impurity B
CAS:Formula:C18H21ClN10OColor and Shape:Pale Pink SolidMolecular weight:428.89Tigecycline Impurity 9 Ditrifluoroacetate (Tigecycline Quinone Analog Ditrifluoroacetate)
CAS:Formula:C26H32N4O8·2C2HF3O2Molecular weight:528.57 2*114.02Prednisolone Impurity 11 (Mixture of Z and E Isomers)
CAS:Formula:C25H34N6O6Color and Shape:White To Off-White SolidMolecular weight:514.58Tolterodine EP Impurity A
CAS:Formula:C17H20O2Color and Shape:White To Off-White SolidMolecular weight:256.35Thonzonium bromide
CAS:Formula:C32H55N4OBrPurity:≥ 98.0%Color and Shape:White powderMolecular weight:591.71Fluticasone Impurity 1
CAS:Formula:C25H32F2O6Color and Shape:White To Off-White SolidMolecular weight:466.52Salbutamol EP Impurity K HCl
CAS:Formula:C13H18ClNO3·HClColor and Shape:White To Off-White SolidMolecular weight:271.74 36.46Thalidomide
CAS:Formula:C13H10N2O4Purity:≤ 0.1%Color and Shape:White to off-white powderMolecular weight:258.23Lidocaine EP Impurity D-d6 HCl
CAS:Formula:C12H12N2OD6·HClColor and Shape:White To Off-White SolidMolecular weight:212.33 36.46Ketotifen fumarate
CAS:Formula:C19H19NOS·C4H4O4Purity:≥ 98%Color and Shape:White to off-white powderMolecular weight:425.50Ambrisentan Vinyloxy Impurity
CAS:Formula:C20H18N2OColor and Shape:White To Off-White SolidMolecular weight:302.38Almotriptan Impurity 1
CAS:Formula:C17H25N3O3SColor and Shape:White To Off-White SolidMolecular weight:351.47Desonide Impurity 7
CAS:Formula:C24H31BrO6Color and Shape:White To Off-White SolidMolecular weight:495.41Bendamustine Impurity 5 (Bendamustine Desmethyl Impurity)
CAS:Formula:C15H19Cl2N3O2Color and Shape:White To Off-White SolidMolecular weight:344.24Propyphenazone EP Impurity B
Formula:C14H18N2OColor and Shape:Pale Yellow LiquidMolecular weight:230.31Enalaprilat EP Impurity B (RSS Isomer)
CAS:Formula:C18H24N2O5Color and Shape:White To Off-White SolidMolecular weight:348.40Ketoprofen EP Impurity K (Mixture of Isomers)
CAS:Formula:C19H20O3Color and Shape:Colorless Semi-SolidMolecular weight:296.37Docetaxel Impurity 5
CAS:Formula:C46H55NO16Color and Shape:White To Off-White SolidMolecular weight:877.94Zopiclone Impurity 25
CAS:Formula:C18H11ClN4O4Color and Shape:White To Off-White SolidMolecular weight:382.76Meropenem trihydrate, USP grade
CAS:Formula:C17H25N3O5S·3H2OPurity:≤ 0.1% (anhydrous basis)Color and Shape:White, off-white or faint beige crystalline powderMolecular weight:437.51Vanillin
CAS:Formula:C8H8O3Purity:≥ 99%Color and Shape:White, off-white or light-yellow crystalline powderMolecular weight:152.15Iopamidol EP Impurity B (Desmethyl Iopamidol)
CAS:Formula:C16H20I3N3O8Color and Shape:Off-White SolidMolecular weight:763.06Dextrorphan-d3 D-Tartrate (Dextromethorphan EP Impurity B-d3 D-Tartrate)
CAS:Formula:C17H20D3NO·C4H6O6Color and Shape:White To Off-White SolidMolecular weight:260.40 150.09Rifampicin EP Impurity A (Rifampicin Quinone)
CAS:Formula:C43H56N4O12Color and Shape:Dark Purple SolidMolecular weight:820.94Epinephrine Impurity 78 HCl
CAS:Formula:C9H11NO3·HClColor and Shape:Yellow SolidMolecular weight:181.19 36.46Risperidone Impurity 7
Formula:C25H27FN4O4Color and Shape:White To Off-White SolidMolecular weight:466.51Doxepin EP Impurity B (Doxepin USP Related Compound B)
CAS:Formula:C19H23NO2Color and Shape:White To Off-White SolidMolecular weight:297.40Azilsartan Impurity 19
CAS:Formula:C27H24N4O5Color and Shape:White To Off-White SolidMolecular weight:484.51Moxifloxacin Impurity 16
CAS:Formula:C16H16FNO5Color and Shape:White To Off-White SolidMolecular weight:321.30Misoprostol, free acid
CAS:Formula:C21H36O5Purity:≥ 97.0%Color and Shape:Colourless to light yellow liquidMolecular weight:368.51Dihydropenicillin F Potassium Salt (Benzylpenicillin Potassium EP Impurity H Potassium Salt (Benzylpenicillin (Benzathine) EP Impurity I Potassium Salt, Benzylpenicillin (Procaine) EP Impurity H Potassium Salt, Benzylpenicillin Sodium EP Impurity H Potassium Salt)
CAS:Formula:C14H21N2O4S·KColor and Shape:White To Off-White SolidMolecular weight:313.40 39.10Dipyridamole EP Impurity C (Dipyridamole USP Related Compound C)
CAS:Formula:C20H30ClN7O2Color and Shape:Pale Yellow SolidMolecular weight:435.96(S)-Timolol EP Impurity C Maleate ((S)-Timolol USP Related Compound C)
CAS:Formula:C19H31N7O4S2·C4H4O4Color and Shape:White To Off-White SolidMolecular weight:485.63 116.07Fluticasone Propionate EP Impurity G (Fluticasone Dimer Impurity)
CAS:Formula:C43H51F5O8SColor and Shape:White To Off-White SolidMolecular weight:822.93Eplerenone Impurity 8 Sodium Salt
Formula:C24H33O7·NaColor and Shape:White To Off-White SolidMolecular weight:433.53 22.99Dexamethasone (Betamethasone EP Impurity A, Dexamethasone Acetate EP Impurity A, Dexamethasone Sodium Phosphate EP Impurity A)
CAS:Formula:C22H29FO5Color and Shape:White To Off-White SolidMolecular weight:392.47Thiamine EP Impurity B Chloride HCl (2-Nor Thiamine Chloride HCl)
CAS:Formula:C11H15N4OS·Cl·HClColor and Shape:Pale Yellow SolidMolecular weight:251.33 35.45 36.46Sofosbuvir Impurity 19
CAS:Formula:C22H29FN3O9PColor and Shape:White To Off-White SolidMolecular weight:529.46Nicardipine EP Impurity B DiHCl (Nicardipine USP Related Compound D)
CAS:Formula:C35H40N4O6·2HClColor and Shape:Yellow SolidMolecular weight:612.73 2*36.46Ivermectin EP Impurity D
CAS:Formula:C48H72O15Color and Shape:White To Off-White SolidMolecular weight:889.09Phenytoin EP Impurity B (Diphenylethanedione)
CAS:Formula:C14H10O2Color and Shape:Yellow SolidMolecular weight:210.23Flecainide acetate salt
CAS:Formula:C17H20F6N2O3·C2H4O2Purity:98.0 - 101.0 % (dried basis)Color and Shape:White to slightly off-white crystalline powderMolecular weight:474.40Thiamine hydrochloride, Ph. Eur. grade
CAS:Formula:C12H17ClN4OS·HClPurity:≤ 0.1%Color and Shape:White or almost white, crystalline powder or colourless crystalsMolecular weight:337.28Lacidipine
CAS:Formula:C26H33NO6Purity:(HPLC) 97.5 - 102.0 %Color and Shape:White to pale yellow crystalline powderMolecular weight:455.54Racecadotril EP Impurity G
CAS:Formula:C19H21NO3SColor and Shape:White To Off-White SolidMolecular weight:343.44Anastrozole Impurity 10
CAS:Formula:C11H10N2Color and Shape:White To Off-White SolidMolecular weight:170.22Carbocisteine Impurity 7
Formula:C10H16N2O7S2Color and Shape:White To Off-White SolidMolecular weight:340.37Gemcitabine EP Impurity C-13C-15N2
CAS:Formula:C813CH10F215N2O5Color and Shape:White To Off-White SolidMolecular weight:267.16Metformin EP Impurity A (Metformin USP Related Compound A, Cyanoguanidine)
CAS:Formula:C2H4N4Color and Shape:White To Off-White SolidMolecular weight:84.08Atazanavir Impurity 8
CAS:Formula:C36H50N6O5Color and Shape:White To Off-White SolidMolecular weight:646.84Medetomidine Impurity 51 (N3-Benzyl Medetomidine)
CAS:Formula:C20H22N2Color and Shape:Colorless LiquidMolecular weight:290.41Mebendazole EP Impurity D
CAS:Formula:C17H15N3O3Color and Shape:Pale Yellow SolidMolecular weight:309.33Bortezomib Impurity 41
CAS:Formula:C14H14N4O2Color and Shape:White To Off-White SolidMolecular weight:270.29Imidafenacin Impurity 3
CAS:Formula:C18H18N2O4Color and Shape:White To Off-White SolidMolecular weight:326.35Febuxostat Impurity 78
CAS:Formula:C20H25NO5SColor and Shape:White To Off-White SolidMolecular weight:391.48Clenbuterol EP Impurity F
CAS:Formula:C12H18BrClN2OColor and Shape:White To Off-White SolidMolecular weight:321.64Tedizolid Impurity 38
CAS:Formula:C10H9BrFNO3Color and Shape:White To Off-White SolidMolecular weight:290.09Terbutaline Impurity 10
CAS:Formula:C22H20O3Color and Shape:White To Off-White SolidMolecular weight:332.40Sofosbuvir Impurity 34 Disodium Salt (GS-606965 Disodium Salt)
CAS:Formula:C10H12FN2O8P·2NaMolecular weight:338.19 2*22.99Oxomemazine Impurity 3 HCl
CAS:Formula:C6H14ClN·HClColor and Shape:White To Off-White SolidMolecular weight:135.64 36.46Fosinopril EP Impurity A-d7 (Fosinopril USP Related Compound A-d7, Fosinoprilat-d7)
CAS:Formula:C23H27D7NO5PColor and Shape:White To Off-White SolidMolecular weight:442.54Parecoxib Impurity 46 (Mixture of Diastereomers)
Formula:C18H20N2O4SColor and Shape:Pale Yellow SolidMolecular weight:360.43Medetomidine Impurity 26 HCl
Formula:C13H16N2·HClColor and Shape:White To Off-White SolidMolecular weight:200.29 36.46Febuxostat Impurity 35
CAS:Formula:C12H9NO4SColor and Shape:White To Off-White SolidMolecular weight:263.27Loratadine EP Impurity A
CAS:Formula:C22H25ClN2O3Color and Shape:Pale Yellow SolidMolecular weight:400.90Chitosan (100 - 300 cps); low molecular weight
CAS:Formula:C6H11NO4nPurity:≥ 90.0%Color and Shape:White to light-tan powderMolecular weight:890,000 (avg.)Lesinurad Impurity 4
CAS:Formula:C17H14BrN3O2SColor and Shape:White To Off-White SolidMolecular weight:404.29Diazinon Impurity 1
CAS:Formula:C8H12N2OColor and Shape:White To Off-White SolidMolecular weight:152.20Ezetimibe Desfluoro Chloro Impurity
CAS:Formula:C24H21ClFNO3Color and Shape:White To Off-White SolidMolecular weight:425.89Mevastatin
CAS:Formula:C23H34O5Purity:≤ 0.5%Color and Shape:White to light-yellow crystalline powderMolecular weight:390.52Pravastatin sodium salt
CAS:Formula:C23H35O7Na·xH2OPurity:97.0 - 102.0 % (anhydrous substance)Color and Shape:White to light-yellow crystalline powderMolecular weight:446.51Linagliptin Impurity 90 HCl
CAS:Formula:C15H20N6O2·HClColor and Shape:White To Off-White SolidMolecular weight:316.37 36.46Levetiracetam Impurity 7
CAS:Formula:C8H17N3O2Color and Shape:White To Off-White SolidMolecular weight:187.24Faropenem Impurity 32
CAS:Formula:C21H35NO6SSiColor and Shape:Colorless LiquidMolecular weight:457.66Lopinavir EP Impurity E
CAS:Formula:C28H34N2O3Color and Shape:Pale Yellow SolidMolecular weight:446.59Rasagiline Impurity 17
CAS:Formula:C12H13NOColor and Shape:White To Off-White SolidMolecular weight:187.24Tofacitinib Impurity 9
CAS:Formula:C20H25N5Color and Shape:White To Off-White SolidMolecular weight:335.46Fingolimod Impurity 48
CAS:Formula:C19H31NO3Color and Shape:White To Off-White SolidMolecular weight:321.46Tigecycline Impurity 12 Hemisulfate
CAS:Formula:C23H26N4O9·5H2O4SColor and Shape:Orange SolidMolecular weight:502.49 0.5*98.08Sulbactam Impurity 2 Sodium Salt (Penicillanic Acid Sodium Salt)
CAS:Formula:C8H10NO3S·NaColor and Shape:White To Off-White SolidMolecular weight:200.24 22.99Sucralose EP Impurity H (Mixture of Isomers)
CAS:Formula:C6H10Cl2O4Color and Shape:Colorless OilMolecular weight:217.04Minoxidil Impurity 6
CAS:Formula:C4H6N4OColor and Shape:White To Off-White SolidMolecular weight:126.12Bromocriptine EP Impurity B
CAS:Formula:C32H41N5O5Color and Shape:Off-White SolidMolecular weight:575.71Cefotaxime Impurity 4
CAS:Formula:C16H16N5O7S2Color and Shape:White To Off-White SolidMolecular weight:455.46Dutasteride EP Impurity A
CAS:Formula:C19H27NO3Color and Shape:Off-White SolidMolecular weight:317.43Moxifloxacin EP Impurity G (ent-Moxifloxacin)
CAS:Formula:C21H24FN3O4Color and Shape:Yellow SolidMolecular weight:401.44Ephedrine Hydrochloride EP Impurity A
CAS:Controlled ProductFormula:C9H10O2Color and Shape:Pale Yellow LiquidMolecular weight:150.18cis-Permethrin EP Impurity G
CAS:Formula:C21H19ClO3Color and Shape:Colorless LiquidMolecular weight:354.83Leflunomide Impurity 3
CAS:Formula:C12H9F3N2O2Color and Shape:White To Off-White SolidMolecular weight:270.21Flurbiprofen Impurity 3
CAS:Formula:C15H14O3Color and Shape:White To Off-White SolidMolecular weight:242.27Lesinurad Impurity 1
CAS:Formula:C17H15N3O2SColor and Shape:White To Off-White SolidMolecular weight:325.39Terbutaline EP Impurity B Hemisulphate
CAS:Formula:C13H19NO3·5H2SO4Color and Shape:Off-White SolidMolecular weight:237.30 0.5*98.07Caffeic acid
CAS:Formula:C9H8O4Purity:≥ 98.5% (anhydrous basis)Color and Shape:Yellow to yellow-brown crystalline powderMolecular weight:180.16Ketoconazole Impurity 1
CAS:Formula:C12H14N2O2Color and Shape:White To Off-White SolidMolecular weight:218.26Tinidazole
CAS:Formula:C8H13N3O4SPurity:(Titration) ≥ 98.0% (dried basis)Color and Shape:White to faint yellow or faint beige powder or crystalsMolecular weight:247.27Solifenacin Impurity 9
Formula:C19H17N3OColor and Shape:White To Off-White SolidMolecular weight:303.37Promethazine EP Impurity C HCl
CAS:Formula:C16H18N2S·HClColor and Shape:White To Off-White SolidMolecular weight:270.39 36.46Abiraterone Impurity 50 (Prasterone Triflate)
CAS:Formula:C20H27F3O4SColor and Shape:White To Off-White SolidMolecular weight:420.49Isotretinoin EP Impurity F (11-cis-Retinoic Acid)
CAS:Formula:C20H28O2Color and Shape:Yellow SolidMolecular weight:300.44Granisetron Impurity 2 (Mixture of Z and E Isomers)
CAS:Formula:C10H11N3O3Color and Shape:Pale Yellow SolidMolecular weight:221.22Abiraterone Impurity 49 (Pregnenolone-16-ene Acetate)
CAS:Formula:C23H32O3Color and Shape:Pale Yellow SolidMolecular weight:356.51Salbutamol EP Impurity E
CAS:Formula:C20H27NO3Color and Shape:White To Off-White SolidMolecular weight:329.44Abiraterone Impurity 53 (Pregnenolone-16-ene Acetate 21-Triflate)
Formula:C24H31F3O6SColor and Shape:White To Off-White SolidMolecular weight:504.56Abiraterone Impurity 51 (Pregnenolone-16-ene Acetate Oxime)
CAS:Formula:C23H33NO3Color and Shape:White To Off-White SolidMolecular weight:371.52Hippuric acid
CAS:Formula:C9H9NO3Purity:98.0 - 101.0 %Color and Shape:White to off-white crystalline powderMolecular weight:179.18Sorafenib
CAS:Formula:C21H16ClF3N4O3Purity:≥ 95.0%Color and Shape:White, off-white or light-yellow solidMolecular weight:464.83

