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(6,364 products)
- Nitriles and Cyano Derivatives(3,045 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,429 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(3,129 products)
- Polymers and Derivatives(99 products)
- Purines and Pyrimidine Derivatives(8,902 products)
- Quinazoline and Quinoline Derivatives(65,630 products)
- Quinones and Derivatives(24,239 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(79,473 products)
- Steroids and Derivatives(4,967 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 56797 products of "APIs for research and impurities"
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Balsalazide Impurity 62
CAS:Formula:C20H21N3O6Color and Shape:Yellow Brown SolidMolecular weight:399.40Tirofiban Impurity 6
CAS:Formula:C17H27NO7S2Color and Shape:White To Off-White SolidMolecular weight:421.52Octreotide EP Impurity F Ditrifluoroacetate (Mixture of Isomers)
CAS:Formula:C51H68N10O11S2·2C2HF3O2Molecular weight:1061.28 2*114.02Levetiracetam EP Impurity G HCl (Levetiracetam USP Related Compound B)
CAS:Formula:C4H10N2O·HClColor and Shape:White To Off-White SolidMolecular weight:102.14 36.46Ranolazine Impurity 11
CAS:Formula:C24H33N3O4Color and Shape:White To Off-White SolidMolecular weight:427.55Tinidazole Impurity 5 HCl
Formula:C8H13N3O3S·HClColor and Shape:White To Off-White SolidMolecular weight:231.28 36.46Brivaracetam Impurity 6
CAS:Formula:C9H17BrO2Color and Shape:Pale Yellow LiquidMolecular weight:237.14Lurasidone Impurity 27 HCl
Formula:C28H34N4O2S·HClColor and Shape:White To Off-White SolidMolecular weight:490.67 36.46Irinotecan EP Impurity F (7-Ethyl Camptothecin)
CAS:Formula:C22H20N2O4Color and Shape:Yellow SolidMolecular weight:376.41Moxifloxacin Impurity 83 DiHCl
CAS:Formula:C7H14N2·2HClColor and Shape:White To Off-White SolidMolecular weight:126.20 2*36.46Linezolid Impurity 7 HCl
CAS:Formula:C15H22FN3O3·HClColor and Shape:Brown SolidMolecular weight:311.36 36.46Tirofiban Cyclohexyl Impurity
Formula:C22H42N2O5SColor and Shape:Off-White SolidMolecular weight:446.65Tirofiban Impurity 5 HCl
Formula:C13H19NO5·HClColor and Shape:Off-White SolidMolecular weight:301.36 36.46Vortioxetine Impurity 27 Trifluoroacetate
CAS:Formula:C18H20N2O2S·C2HF3O2Molecular weight:328.43 114.02Ropinirole Impurity 6
Formula:C33H48N4Color and Shape:White To Off-White SolidMolecular weight:500.78Cefditoren 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:669.00Triamcinolone Impurity 7
Formula:C23H29FO5Color and Shape:White To Off-White SolidMolecular weight:404.48Ephedrine Impurity 14 HCl
Formula:C16H19NO2·HClColor and Shape:White To Off-White SolidMolecular weight:257.33 36.46Tazobactam Acid Impurity 18
CAS:Formula:C21H20N4O3SColor and Shape:Colorless OilMolecular weight:408.48Sumatriptan EP Impurity A (Sumatriptan Succinate USP Related Compound A (Free Form))
CAS:Formula:C27H37N5O2SColor and Shape:Off-White SolidMolecular weight:495.69Famotidine EP Impurity G
CAS:Formula:C9H13N7S2Color and Shape:White To Off-White SolidMolecular weight:283.38Enalapril Impurity 8 (Enalaprilat SSR Isomer)
CAS:Formula:C18H24N2O5Color and Shape:White To Off-White SolidMolecular weight:348.40Amlodipine EP Impurity D Besylate (Amlodipine USP Related Compound A Besylate, Dehydro Amlodipine Besylate)
CAS:Formula:C20H23ClN2O5·C6H6O3SColor and Shape:Pale Yellow Semi-SolidMolecular weight:406.86 158.17Penciclovir Impurity 1
CAS:Formula:C10H14ClN5O2Color and Shape:White To Off-White SolidMolecular weight:271.71Penfluridol Impurity 13 HCl
Formula:C27H27F2N3·HClColor and Shape:Pale Yellow SolidMolecular weight:431.53 36.46Omeprazole EP Impurity E (Omeprazole N-Oxide)
CAS:Formula:C17H19N3O4SColor and Shape:White To Off-White SolidMolecular weight:361.42Donepezil Impurity 7 HCl
CAS:Formula:C24H29NO4·HClColor and Shape:White To Off-White SolidMolecular weight:395.50 36.46Sulpiride EP Impurity D
CAS:Formula:C8H9NO5SColor and Shape:White To Off-White SolidMolecular weight:231.22rel-Galantamine EP Impurity A ((±)-Narwedine, (±)-Galanthaminone)
CAS:Formula:C17H19NO3Color and Shape:Off-White SolidMolecular weight:285.34Iopamidol EP Impurity D
CAS:Formula:C14H15I3N2O7Color and Shape:White To Off-White SolidMolecular weight:703.99Mesalazine (Mesalamine) EP Impurity S
CAS:Formula:C14H12N2O5Color and Shape:Green SolidMolecular weight:288.26Emtricitabine Impurity 1
CAS:Formula:C8H9FN2O4SColor and Shape:Off-White SolidMolecular weight:248.23Glimepiride Impurity 7 (trans-Carboxylic Acid Glimepiride)
CAS:Formula:C24H32N4O7SColor and Shape:White To Off-White SolidMolecular weight:520.60p-Toluenesulfonic Acid Impurity 1 (Phenyl p-Tolyl Sulfone)
CAS:Formula:C13H12O2SMolecular weight:232.30Losartan EP Impurity G (Zidovudine EP Impurity D)
CAS:Formula:C19H16OColor and Shape:White To Off-White SolidMolecular weight:260.34Moxifloxacin Impurity 12
CAS:Formula:C15H14FNO5Color and Shape:Off-White SolidMolecular weight:307.28Phenylephrine EP Impurity C HCl (Phenylephrine USP Related Compound C)
CAS:Formula:C9H11NO2·HClColor and Shape:Green SolidMolecular weight:165.19 36.46Rabeprazole EP Impurity B (Rabeprazole Sulfide)
CAS:Formula:C18H21N3O2SColor and Shape:White To Off-White SolidMolecular weight:343.45Gemcitabine EP Impurity C
CAS:Formula:C9H10F2N2O5Color and Shape:White To Off-White SolidMolecular weight:264.18Rasagiline Impurity 6 HCl
CAS:Formula:C12H11NO·HClColor and Shape:White To Off-White SolidMolecular weight:185.23 36.46Albendazole EP Impurity C-d7 (Albendazole Sulfone-d7)
CAS:Formula:C12H8D7N3O4SColor and Shape:White To Off-White SolidMolecular weight:304.37Tadalafil EP Impurity A ((6R,12S)-Tadalafil)
CAS:Formula:C22H19N3O4Color and Shape:White To Off-White SolidMolecular weight:389.41Efinaconazole Impurity 5
Formula:C18H22F2N4OColor and Shape:White To Off-White SolidMolecular weight:348.40Calcipotriol, anhydrous
CAS:Formula:C27H40O3Purity:(HPLC) 95.5 - 102.0 %Color and Shape:White to off-white crystalline powderMolecular weight:412.6 (anhydrous)Fenofibrate Impurity 2
Formula:C20H21ClO4Color and Shape:White To Off-White SolidMolecular weight:360.83Oseltamivir Impurity 26
CAS:Formula:C9H12O4Color and Shape:White To Off-White SolidMolecular weight:184.19Sacubitril Impurity 40
CAS:Formula:C24H27NO5Color and Shape:White To Off-White SolidMolecular weight:409.48Limonin
CAS:Formula:C26H30O8Purity:≥ 95.0%Color and Shape:White or almost white powder or crystalsMolecular weight:470.51Carbidopa EP Impurity C (Carbidopa USP Related Compound A ((S)-Isomer))
CAS:Formula:C11H16N2O4Molecular weight:240.26Ruxolitinib Impurity 6
CAS:Formula:C17H20N6OColor and Shape:White To Off-White SolidMolecular weight:324.39Quetiapine EP Impurity F
CAS:Formula:C21H27N3O3SColor and Shape:Pale Brown Semi-SolidMolecular weight:401.53Flurbiprofen EP Impurity E
CAS:Formula:C13H9FO2Color and Shape:White To Off-White SolidMolecular weight:216.21Difluprednate Impurity 15
CAS:Formula:C21H24F2O4Color and Shape:White To Off-White SolidMolecular weight:378.42Piperazine Impurity 7
CAS:Formula:C14H26N2Color and Shape:White To Off-White SolidMolecular weight:222.38Glipizide EP Impurity G
CAS:Formula:C16H18N4O5SColor and Shape:White To Off-White SolidMolecular weight:378.41Fluticasone Furoate EP Impurity F
Formula:C29H34F2O7Color and Shape:White To Off-White SolidMolecular weight:532.58Mizolastine Impurity 12
CAS:Formula:C25H27FN6OColor and Shape:White To Off-White SolidMolecular weight:446.53Axitinib Impurity 4
CAS:Formula:C22H20N4OSColor and Shape:White To Off-White SolidMolecular weight:388.49Valsartan Impurity 7
CAS:Formula:C14H10BrNColor and Shape:White To Off-White SolidMolecular weight:272.15Itraconazole Impurity 6
CAS:Formula:C20H19Cl2N3O5SColor and Shape:White To Off-White SolidMolecular weight:484.35Ketoconazole Impurity 8
CAS:Formula:C14H14Cl2N2O3Color and Shape:White To Off-White SolidMolecular weight:329.18Rizatriptan EP Impurity D Chloride
Formula:C19H28N5·ClColor and Shape:Off-White SolidMolecular weight:326.47 35.45Fluconazole Impurity 1
CAS:Formula:C9H10F2O3Color and Shape:White To Off-White SolidMolecular weight:204.17Iguratimod Impurity 15 (Methanesulfonyl Chloride)
CAS:Formula:CH3ClO2SColor and Shape:Colorless LiquidMolecular weight:114.54Thioridazine EP Impurity C (Mixture of Diastereomers)
CAS:Formula:C21H26N2OS2Color and Shape:Yellow SolidMolecular weight:386.57Sulfacetamide
CAS:Formula:C8H10N2O3SPurity:≥ 98.0% (dried basis)Color and Shape:White to off-white powderMolecular weight:214.24Terbinafine EP Impurity A HCl (Terbinafine USP Related Compound A)
CAS:Formula:C12H13N·HClColor and Shape:White To Off-White SolidMolecular weight:171.24 36.46Abacavir
CAS:Formula:C14H18N6OPurity:≥ 98.0% (dried basis)Color and Shape:White to off-white powderMolecular weight:286.33Terbinafine hydrochloride, EP grade
CAS:Formula:C21H25N·HClPurity:≤ 0.1%Color and Shape:White or almost white powderMolecular weight:327.89Ezetimibe Impurity 8 Enantiomer
CAS:Formula:C20H18FNO4Color and Shape:White To Off-White SolidMolecular weight:355.37Lomefloxacin Impurity 6 HCl
CAS:Formula:C16H17F2N3O3·HClColor and Shape:Pale Yellow SolidMolecular weight:337.33 36.46Gabapentin
CAS:Formula:C9H17NO2Purity:≥ 99.0% (anhydrous basis)Color and Shape:White or almost white crystalline powderMolecular weight:171.24Amisulpride EP Impurity C
CAS:Formula:C15H22IN3O2Color and Shape:White To Off-White SolidMolecular weight:403.26Mefenacet Impurity 1 (2-Mercaptobenzothiazole)
CAS:Formula:C7H5NS2Color and Shape:Yellow SolidMolecular weight:167.24Sumanirole maleate
CAS:Formula:C15H17N3O5Purity:≥ 98.0%Color and Shape:White to beige powderMolecular weight:319.31Alantolactone
CAS:Formula:C15H20O2Purity:≥ 98.0%Color and Shape:White to off-white powderMolecular weight:232.32Ametryn Impurity 3 (GS 26831)
CAS:Formula:C4H7N5SColor and Shape:White To Off-White SolidMolecular weight:157.20Diosmin EP Impurity E (Linarin)
CAS:Formula:C28H32O14Color and Shape:Pale Yellow To Off-White SolidMolecular weight:592.55Palbociclib Impurity 51
Formula:C28H37N7O2Color and Shape:White To Off-White SolidMolecular weight:503.65Alfuzosin EP Impurity C
CAS:Formula:C19H27N5O4Color and Shape:White To Off-White SolidMolecular weight:389.46Darifenacin Impurity 10
CAS:Formula:C28H29NO3Color and Shape:White To Off-White SolidMolecular weight:427.53Cefpodoxime Proxetil EP Impurity A -d3 Sodium Salt (Cefpodoxime-d3 Acid Sodium Salt)
CAS:Formula:C15H13D3N5O6S2·NaColor and Shape:Pale Yellow SolidMolecular weight:429.47 22.99Omeprazole EP Impurity F and G Mixture
CAS:Formula:C16H13N3O2SColor and Shape:Reddish-Brown SolidMolecular weight:311.36Vonoprazan Impurity 11-d5 Fumarate
CAS:Formula:C33H22F2N5O4S2D5·C4H4O4Color and Shape:White To Off-White SolidMolecular weight:664.76 116.07Amlodipine EP Impurity H
CAS:Formula:C28H29ClN2O8Color and Shape:White To Off-White SolidMolecular weight:557.00Beclometasone (Beclomethasone) Dipropionate EP Impurity L
CAS:Formula:C28H39ClO7Color and Shape:White To Off-White SolidMolecular weight:523.06Sitagliptin Impurity 48
CAS:Formula:C18H17F6N5O2Color and Shape:White To Off-Whtie SolidMolecular weight:449.36Hesperetin
CAS:Formula:C16H14O6Purity:≥ 97.0%Color and Shape:White, off-white, beige or pale yellow-brown powderMolecular weight:302.30Pranoprofen Impurity 1
CAS:Formula:C14H11NO2Color and Shape:White To Off-White SolidMolecular weight:225.25Montelukast Impurity 4
CAS:Formula:C28H24ClNO3Color and Shape:Pale Yellow SolidMolecular weight:457.95Isothipendyl Impurity 1 HCl
CAS:Formula:C16H19N3S·HClColor and Shape:Yellow SolidMolecular weight:285.41 36.46Linalool
CAS:Formula:C10H18OPurity:≥ 97.0%Color and Shape:Clear, colourless liquidMolecular weight:154.25Medetomidine Impurity 65
Formula:C13H14N2OColor and Shape:White To Off-White SolidMolecular weight:214.27Thioctic Acid Impurity 28
CAS:Formula:C8H16O4Color and Shape:White To Off-White SolidMolecular weight:176.21Dicloxacillin Degradation Impurity (DCMICAA)
CAS:Formula:C13H10Cl2N2O4Color and Shape:White To Off-White SolidMolecular weight:329.13Cefditoren Impurity 2 (Cefditoren Open Ring) (Mixture of Diastereomers)
CAS:Formula:C25H30N6O8S3Molecular weight:638.73Allopurinol
CAS:Formula:C5H5N4OPurity:(Titration) ≥ 98.0%Color and Shape:White to off-white powderMolecular weight:136.11Minocycline hydrochloride
CAS:Formula:C23H27N3O7·HCl·xH2OPurity:≤ 1.2%Color and Shape:Yellow crystalline powderMolecular weight:493.94 (anhydrous)Levothyroxine EP Impurity F
CAS:Formula:C21H13I6NO5Color and Shape:White To Off-White SolidMolecular weight:1120.76Finasteride, USP grade
CAS:Formula:C23H36N2O2Purity:≤ 0.5%Color and Shape:White or almost white powderMolecular weight:372.54Arbidol Impurity 2
CAS:Formula:C22H26N2O3SColor and Shape:White To Off-White SolidMolecular weight:398.52Zopiclone Impurity 4 Sodium Salt
CAS:Formula:C6H3N2O3·NaColor and Shape:White To Off-White SolidMolecular weight:151.10 22.99Sildenafil Impurity 32
CAS:Formula:C24H32N6O4Color and Shape:White To Off-White SolidMolecular weight:468.56Busulfan
CAS:Formula:C6H14O6S2Purity:(Titration) 98.0 - 102.0 %Color and Shape:White to off-white powderMolecular weight:246.29Topiramate Impurity 1
CAS:Formula:C12H19N3O8SColor and Shape:White To Off-White SolidMolecular weight:365.36Frovatriptan Impurity 9
Formula:C14H16N2O2Color and Shape:Off-White To Pale Yellow SolidMolecular weight:244.30Ribostamycin sulfate salt
CAS:Formula:C17H34N4O10·xH2SO4Purity:≥ 660μg/mg (dried basis)Color and Shape:White to off-white powderMolecular weight:454.47 (non-salt)Tedizolid Impurity 11 Ditetrabutylammonium Salt
Formula:C17H15FN6O9P2·2C16H36NMolecular weight:528.29 2*242.47Milnacipran Impurity 2
CAS:Formula:C15H21NO2Color and Shape:White To Off-White SolidMolecular weight:247.34Dienogest EP Impurity G
CAS:Formula:C20H23NO2Color and Shape:White To Off-White SolidMolecular weight:309.41Capecitabine Impurity 8
Formula:C15H22FN3O6Color and Shape:White To Off-White SolidMolecular weight:359.35Neostigmine EP Impurity C (Neostigmine USP Related Compound C, Nor Neostigmine)
CAS:Formula:C11H16N2O2Color and Shape:Red LiquidMolecular weight:208.26Brexpiprazole Impurity 5 HCl
CAS:Formula:C12H14N2O·HClColor and Shape:White To Off-White SolidMolecular weight:202.26 36.46Metaproterenol hemisulfate salt
CAS:Formula:C11H17NO3H2SO4Purity:≥ 98.0%Color and Shape:White to off-white or pale-yellow powderMolecular weight:260.30Hyoscine Butylbromide EP Impurity E HCl
CAS:Formula:C20H27NO4·HClColor and Shape:White To Off-White SolidMolecular weight:345.44 36.46Pramiracetam
CAS:Formula:C15H27N3O9P2Purity:≥ 98.0%Color and Shape:White to almost white powder or crystalsMolecular weight:455.34Torasemide (Torsemide) Impurity 3
CAS:Formula:C16H20N4O3SColor and Shape:White To Off-White SolidMolecular weight:348.42Dabigatran Impurity 26
Formula:C25H24N6O4Color and Shape:White To Off-White SolidMolecular weight:472.51Empagliflozin Impurity 70
Formula:C17H14I2O3Color and Shape:White To Off-White SolidMolecular weight:520.10Verapamil EP Impurity O HCl
CAS:Formula:C27H38N2O4·HClColor and Shape:White To Off-White SolidMolecular weight:454.61 36.46Buspirone EP Impurity B
CAS:Formula:C12H19N4·ClColor and Shape:White To Off-White SolidMolecular weight:219.31 35.45Tirofiban Impurity 4 Sodium Salt
Formula:C22H35N2O6S·NaColor and Shape:White To Off-White SolidMolecular weight:455.60 22.99Lansoprazole N-Trifluoroethyl Impurity
CAS:Formula:C18H15F6N3O2SColor and Shape:White To Off-White SolidMolecular weight:451.39Alprostadil (Prostaglandin E1) EP Impurity G (Prostaglandin E2)
CAS:Formula:C20H32O5Color and Shape:White To Off-White SolidMolecular weight:352.47Metirosine Impurity 6 HCl
CAS:Formula:C10H13NO3·HClColor and Shape:White To Off-White SolidMolecular weight:195.22 36.46Potassium iodide, BP, Ph. Eur. grade
CAS:Formula:KIPurity:≥ 99.0%Color and Shape:White crystalline powder or crystalsMolecular weight:166.01Levofloxacin EP Impurity H (Levofloxacin USP Related Compound C)
CAS:Formula:C20H24FN3O4Color and Shape:White To Off-White SolidMolecular weight:389.43Pioglitazone
CAS:Formula:C19H20N2O3SPurity:≥ 98%Color and Shape:White to off-white powder or solidMolecular weight:356.44Dronedarone hydrochloride
CAS:Formula:C31H44N2O5S·HClPurity:(Titration) ≥ 98.0% (dried basis)Color and Shape:White to off-white powderMolecular weight:593.22Lanreotide Impurity 9 Ditrifluoroacetate
Formula:C54H69N11O10S2·2C2HF3O2Molecular weight:1096.33 2*114.02Lercanidipine EP Impurity D HCl
CAS:Formula:C37H43N3O6·HClColor and Shape:Pale Yellow SolidMolecular weight:625.77 36.46(R)-Levocetirizine EP Impurity H DiHCl ((R)-Cetirizine EP Impurity G DiHCl, (R)-Cetirizine USP Related Compound G)
CAS:Formula:C19H23ClN2O·2HClColor and Shape:White To Off-White SolidMolecular weight:330.86 2*36.46Piperazine Impurity 9 DiHCl
Formula:C14H27N3·2HClColor and Shape:White To Off-White SolidMolecular weight:237.39 2*36.46Efinaconazole Impurity 31 (Mixture of Diastereomers)
CAS:Formula:C12H21NO4Color and Shape:Pale Yellow OilMolecular weight:243.30Modafinil, EP, USP grade
CAS:Formula:C15H15NO2SColor and Shape:White crystalline powderMolecular weight:273.35Rivaroxaban EP Impurity H (Rivaroxaban USP Related Compound H)
CAS:Formula:C19H17Cl2N3O5SColor and Shape:Grey To Pale Brown SolidMolecular weight:470.32
