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(12,335 products)
- Anthraquinones and derivatives(405 products)
- Benzimidazole and Imidazole Derivatives(10,451 products)
- Benzodiazepine Derivatives(334 products)
- Carbohydrates and glycoconjugates(5,048 products)
- Esters and Derivatives(42,251 products)
- Fatty Acids and Lypidic Derivatives(32,417 products)
- Flavonoids and Polyphenols(17,084 products)
- Free Radicals and Oxidant/Reducing Agents(213 products)
- Ketones and derivatives(2,402 products)
- Natural and semi-synthetic antibiotics(6,387 products)
- Nitriles and Cyano Derivatives(3,068 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,484 products)
- Organic Phosphates and Phosphonates(1,201 products)
- Organic Sulphonates and Sulphates(10,435 products)
- Organometallics(4,421 products)
- Others(6,307 products)
- Peptides and Proteins(3,148 products)
- Polymers and Derivatives(100 products)
- Purines and Pyrimidine Derivatives(8,948 products)
- Quinazoline and Quinoline Derivatives(66,044 products)
- Quinones and Derivatives(24,363 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(80,490 products)
- Steroids and Derivatives(4,958 products)
- Sulfonamides and Derivatives(2,600 products)
- Terpenoids and Derivatives(3,849 products)
- Thiazolidinediones and Thiopyrans(2,754 products)
- β-Adrenergic Compounds(231 products)
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Found 57768 products of "APIs for research and impurities"
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Policresulen Impurity 1
CAS:Formula:C15H16O2Color and Shape:White To Off-White SolidMolecular weight:228.29Trospium EP Impurity A (Trospium Chloride USP Related Compound A)
CAS:Formula:C14H12O3Molecular weight:228.25Zolpidem 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:271.34Loperamide EP Impurity F (Loperamide USP Related Compound F, trans-Loperamide N-Oxide)
CAS:Formula:C29H33ClN2O3Color and Shape:White To Off-White SolidMolecular weight:493.04Balsalazide Impurity 62
CAS:Formula:C20H21N3O6Color and Shape:Yellow Brown SolidMolecular weight:399.40Ruxolitinib Impurity 6
CAS:Formula:C17H20N6OColor and Shape:White To Off-White SolidMolecular weight:324.39Linagliptin Impurity 5
CAS:Formula:C25H28N8O2Color and Shape:Pale Yellow SolidMolecular weight:472.55Flurbiprofen EP Impurity E
CAS:Formula:C13H9FO2Color and Shape:White To Off-White SolidMolecular weight:216.21Fluconazole Impurity 1
CAS:Formula:C9H10F2O3Color and Shape:White To Off-White SolidMolecular weight:204.17Efinaconazole Impurity 5
Formula:C18H22F2N4OColor and Shape:White To Off-White SolidMolecular weight:348.40Moxifloxacin Impurity 83 DiHCl
CAS:Formula:C7H14N2·2HClColor and Shape:White To Off-White SolidMolecular weight:126.20 2*36.46Levetiracetam EP Impurity G HCl (Levetiracetam USP Related Compound B)
CAS:Formula:C4H10N2O·HClColor and Shape:White To Off-White SolidMolecular weight:102.14 36.46Irinotecan EP Impurity F (7-Ethyl Camptothecin)
CAS:Formula:C22H20N2O4Color and Shape:Yellow SolidMolecular weight:376.41Quetiapine EP Impurity F
CAS:Formula:C21H27N3O3SColor and Shape:Pale Brown Semi-SolidMolecular weight:401.53Piperazine Impurity 7
CAS:Formula:C14H26N2Color and Shape:White To Off-White SolidMolecular weight:222.38Tirofiban Cyclohexyl Impurity
Formula:C22H42N2O5SColor and Shape:Off-White SolidMolecular weight:446.65Glipizide 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:388.49Cefditoren 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 36.46Itraconazole Impurity 6
CAS:Formula:C20H19Cl2N3O5SColor and Shape:White To Off-White SolidMolecular weight:484.35Amlodipine EP Impurity D Besylate (Amlodipine USP Related Compound A Besylate, Dehydro Amlodipine Besylate)
CAS:Formula:C20H23ClN2O5·C6H6O3SColor and Shape:Pale Yellow Semi-SolidMolecular weight:406.86 158.17Sumatriptan EP Impurity A (Sumatriptan Succinate USP Related Compound A (Free Form))
CAS:Formula:C27H37N5O2SColor and Shape:Off-White SolidMolecular weight:495.69Gabapentin
CAS:Formula:C9H17NO2Purity:≥ 99.0% (anhydrous basis)Color and Shape:White or almost white crystalline powderMolecular weight:171.24Penfluridol Impurity 13 HCl
Formula:C27H27F2N3·HClColor and Shape:Pale Yellow SolidMolecular weight:431.53 36.46Cefpodoxime Proxetil EP Impurity A -d3 Sodium Salt (Cefpodoxime-d3 Acid Sodium Salt)
CAS:Formula:C15H13D3N5O6S2·NaColor and Shape:Pale Yellow SolidMolecular weight:429.46 22.99Omeprazole EP Impurity E (Omeprazole N-Oxide)
CAS:Formula:C17H19N3O4SColor and Shape:White To Off-White SolidMolecular weight:361.42Ametryn Impurity 3 (GS 26831)
CAS:Formula:C4H7N5SColor and Shape:White To Off-White SolidMolecular weight:157.20Milnacipran Impurity 2
CAS:Formula:C15H21NO2Color and Shape:White To Off-White SolidMolecular weight:247.34Palbociclib Impurity 51
Formula:C28H37N7O2Color and Shape:White To Off-White SolidMolecular weight:503.65Alantolactone
CAS:Formula:C15H20O2Purity:≥ 98.0%Color and Shape:White to off-white powderMolecular weight:232.32Isothipendyl Impurity 1 HCl
CAS:Formula:C16H19N3S·HClColor and Shape:Yellow SolidMolecular weight:285.41 36.46Omeprazole EP Impurity F and G Mixture
CAS:Formula:C16H13N3O2SColor and Shape:Reddish-Brown SolidMolecular weight:311.36Gemcitabine EP Impurity C
CAS:Formula:C9H10F2N2O5Color and Shape:White To Off-White SolidMolecular weight:264.18Amlodipine EP Impurity H
CAS:Formula:C28H29ClN2O8Color and Shape:White To Off-White SolidMolecular weight:557.00Zopiclone Impurity 4 Sodium Salt
CAS:Formula:C6H3N2O3·NaColor and Shape:White To Off-White SolidMolecular weight:151.10 22.99Rabeprazole EP Impurity B (Rabeprazole Sulfide)
CAS:Formula:C18H21N3O2SColor and Shape:White To Off-White SolidMolecular weight:343.45Tadalafil EP Impurity A ((6R,12S)-Tadalafil)
CAS:Formula:C22H19N3O4Color and Shape:White To Off-White SolidMolecular weight:389.41Albendazole Impurity 7 (Methyl Cyanocarbamate) Sodium Salt
CAS:Formula:C3H3N2O2·NaColor and Shape:White To Off-White SolidMolecular weight:99.07 22.99Albendazole EP Impurity C-d7 (Albendazole Sulfone-d7)
CAS:Formula:C12H8D7N3O4SColor and Shape:White To Off-White SolidMolecular weight:304.37Lenalidomide Impurity 7
CAS:Formula:C13H16N4O3Color and Shape:White To Off-White SolidMolecular weight:276.30Abacavir
CAS:Formula:C14H18N6OPurity:≥ 98.0% (dried basis)Color and Shape:White to off-white powderMolecular weight:286.33Triamcinolone Impurity 1
Formula:C29H39ClO7Color and Shape:White To Off-White SolidMolecular weight:535.07Citalopram hydrobromide
CAS:Formula:C20H21FN2O·HBrPurity:98.0 - 102.0 % (C20H21FN2O · HBr, anhydrous basis)Color and Shape:White to almost white powderMolecular weight:405.30Minocycline hydrochloride
CAS:Formula:C23H27N3O7·HCl·xH2OPurity:≤ 1.2%Color and Shape:Yellow crystalline powderMolecular weight:493.94 (anhydrous)Dicloxacillin Degradation Impurity (DCMICAA)
CAS:Formula:C13H10Cl2N2O4Color and Shape:White To Off-White SolidMolecular weight:329.13Carbidopa EP Impurity C (Carbidopa USP Related Compound A ((S)-Isomer))
CAS:Formula:C11H16N2O4Molecular weight:240.26Cefditoren Impurity 2 (Cefditoren Open Ring) (Mixture of Diastereomers)
CAS:Formula:C25H30N6O8S3Molecular weight:638.73Frovatriptan Impurity 9
CAS:Formula:C14H16N2O2Color and Shape:Off-White To Pale Yellow SolidMolecular weight:244.30Busulfan
CAS:Formula:C6H14O6S2Purity:(Titration) 98.0 - 102.0 %Color and Shape:White to off-white powderMolecular weight:246.29Difluprednate Impurity 15
CAS:Formula:C21H24F2O4Color and Shape:White To Off-White SolidMolecular weight:378.42Ribostamycin sulfate salt
CAS:Formula:C17H34N4O10·xH2SO4Purity:≥ 660μg/mg (dried basis)Color and Shape:White to off-white powderMolecular weight:454.47 (non-salt)Arbidol Impurity 2
CAS:Formula:C22H26N2O3SColor and Shape:White To Off-White SolidMolecular weight:398.52Tedizolid Impurity 11 Ditetrabutylammonium Salt
Formula:C17H15FN6O9P2·2C16H36NMolecular weight:528.29 2*242.47Plerixafor Impurity 7 DiHCl
Formula:C14H22F6N4O2·2HClColor and Shape:White To Off-White SolidMolecular weight:392.35 2*36.46Darifenacin Impurity 10
CAS:Formula:C28H29NO3Color and Shape:White To Off-White SolidMolecular weight:427.53Metaproterenol hemisulfate salt
CAS:Formula:C11H17NO3H2SO4Purity:≥ 98.0%Color and Shape:White to off-white or pale-yellow powderMolecular weight:260.30Valsartan Impurity 7
CAS:Formula:C14H10BrNColor and Shape:White To Off-White SolidMolecular weight:272.15Ketoconazole Impurity 8
CAS:Formula:C14H14Cl2N2O3Color and Shape:White To Off-White SolidMolecular weight:329.18Pramiracetam
CAS:Formula:C15H27N3O9P2Purity:≥ 98.0%Color and Shape:White to almost white powder or crystalsMolecular weight:455.34Dienogest EP Impurity G
CAS:Formula:C20H23NO2Color and Shape:White To Off-White SolidMolecular weight:309.41Alprostadil (Prostaglandin E1) EP Impurity G (Prostaglandin E2)
CAS:Formula:C20H32O5Color and Shape:White To Off-White SolidMolecular weight:352.47Sulfacetamide
CAS:Formula:C8H10N2O3SPurity:≥ 98.0% (dried basis)Color and Shape:White to off-white powderMolecular weight:214.24Levofloxacin EP Impurity H (Levofloxacin USP Related Compound C)
CAS:Formula:C20H24FN3O4Color and Shape:White To Off-White SolidMolecular weight:389.43Iguratimod 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:386.57Terbinafine EP Impurity A HCl (Terbinafine USP Related Compound A)
CAS:Formula:C12H13N·HClColor and Shape:White To Off-White SolidMolecular weight:171.24 36.46Dronedarone hydrochloride
CAS:Formula:C31H44N2O5S·HClPurity:(Titration) ≥ 98.0% (dried basis)Color and Shape:White to off-white powderMolecular weight:593.22Terbinafine hydrochloride, EP grade
CAS:Formula:C21H25N·HClPurity:≤ 0.1%Color and Shape:White or almost white powderMolecular weight:327.89Buspirone EP Impurity B
CAS:Formula:C12H19N4·ClColor and Shape:White To Off-White SolidMolecular weight:219.31 35.45Lomefloxacin Impurity 6 HCl
CAS:Formula:C16H17F2N3O3·HClColor and Shape:Pale Yellow SolidMolecular weight:337.33 36.46Ezetimibe Impurity 8 Enantiomer
CAS:Formula:C20H18FNO4Color and Shape:White To Off-White SolidMolecular weight:355.37Metirosine Impurity 6 HCl
CAS:Formula:C10H13NO3·HClColor and Shape:White To Off-White SolidMolecular weight:195.22 36.46Sumanirole maleate
CAS:Formula:C15H17N3O5Purity:≥ 98.0%Color and Shape:White to beige powderMolecular weight:319.31Amisulpride 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:167.24Potassium iodide, BP, Ph. Eur. grade
CAS:Formula:KIPurity:≥ 99.0%Color and Shape:White crystalline powder or crystalsMolecular weight:166.01Pioglitazone
CAS:Formula:C19H20N2O3SPurity:≥ 98%Color and Shape:White to off-white powder or solidMolecular weight:356.44Diosmin EP Impurity E (Linarin)
CAS:Formula:C28H32O14Color and Shape:Pale Yellow To Off-White SolidMolecular weight:592.55Alfuzosin EP Impurity C
CAS:Formula:C19H27N5O4Color and Shape:White To Off-White SolidMolecular weight:389.46Metoprolol succinate, USP grade
CAS:Formula:C30H50N2O6·C4H6O4Purity:98.0 - 102.0 % (dried basis)Color and Shape:White to off-white powderMolecular weight:652.82Tirofiban Impurity 4 Sodium Salt
Formula:C22H35N2O6S·NaColor and Shape:White To Off-White SolidMolecular weight:455.60 22.99Salbutamol hemisulphate salt
CAS:Formula:C13H21NO3(H2SO4)Purity:(HPLC) ≥ 98.0%Color and Shape:White to off-white crystalline powderMolecular weight:288.35Labetalol Impurity 1
CAS:Formula:C23H22N2O3Color and Shape:White To Off-White SolidMolecular weight:374.44Vonoprazan Impurity 11-d5 Fumarate
CAS:Formula:C33H22F2N5O4S2D5·C4H4O4Color and Shape:White To Off-White SolidMolecular weight:664.76 116.07Rilpivirine
CAS:Formula:C22H18N6Purity:≥ 98.0%Color and Shape:White to beige or light yellow powderMolecular weight:366.42Tedizolid Impurity 6
CAS:Formula:C17H16FN6O6PColor and Shape:Pale Yellow SolidMolecular weight:450.32Sitagliptin Impurity 48
CAS:Formula:C18H17F6N5O2Color and Shape:White To Off-Whtie SolidMolecular weight:449.36Rivaroxaban EP Impurity H (Rivaroxaban USP Related Compound H)
CAS:Formula:C19H17Cl2N3O5SColor and Shape:Grey To Pale Brown SolidMolecular weight:470.32Efinaconazole Impurity 31 (Mixture of Diastereomers)
CAS:Formula:C12H21NO4Color and Shape:Pale Yellow OilMolecular weight:243.30Beclometasone (Beclomethasone) Dipropionate EP Impurity L
CAS:Formula:C28H39ClO7Color and Shape:White To Off-White SolidMolecular weight:523.06N-Nitroso Terbinafine EP Impurity A (N-Nitroso Terbinafine USP Related Compound A (Free Form))
CAS:Formula:C12H12N2OMolecular weight:200.24Montelukast Impurity 4
CAS:Formula:C28H24ClNO3Color and Shape:Pale Yellow SolidMolecular weight:457.95Lercanidipine EP Impurity D HCl
CAS:Formula:C37H43N3O6·HClColor and Shape:Pale Yellow SolidMolecular weight:625.77 36.46Fluticasone Furoate EP Impurity G
CAS:Formula:C27H29ClF2O6SColor and Shape:White To Off-White SolidMolecular weight:555.03Thioctic Acid Impurity 28
CAS:Formula:C8H16O4Color and Shape:White To Off-White SolidMolecular weight:176.21Penehyclidine Impurity 15
CAS:Formula:C7H13NOColor and Shape:White To Off-White SolidMolecular weight:127.19Linalool
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:214.27Vilazodone hydrochloride
CAS:Formula:C26H27N5O2·HClPurity:≥ 99.0%Color and Shape:White powderMolecular weight:477.98Finasteride, USP grade
CAS:Formula:C23H36N2O2Purity:≤ 0.5%Color and Shape:White or almost white powderMolecular weight:372.54Atomoxetine Impurity 1 HCl
CAS:Formula:C18H23NO·HClColor and Shape:White To Off-White SolidMolecular weight:269.39 36.46Beclometasone (Beclomethasone) Dipropionate EP Impurity N
CAS:Formula:C28H36BrClO7Molecular weight:599.94Piperazine Impurity 9 DiHCl
Formula:C14H27N3·2HClColor and Shape:White To Off-White SolidMolecular weight:237.39 2*36.46Levothyroxine EP Impurity F
CAS:Formula:C21H13I6NO5Color and Shape:White To Off-White SolidMolecular weight:1120.76Sildenafil Impurity 32
CAS:Formula:C24H32N6O4Color and Shape:White To Off-White SolidMolecular weight:468.56Diclofenac, free acid
CAS:Formula:C14H11Cl2NO2Purity:≥ 98.0% (dried basis)Color and Shape:White to off-white or pale yellow-beige powderMolecular weight:296.15Policresulen Impurity 8 Diammonium Salt
CAS:Formula:C7H6O7S2·2NH4Color and Shape:White To Off-White SolidMolecular weight:266.25 2*18.04Topiramate Impurity 1
CAS:Formula:C12H19N3O8SColor and Shape:White To Off-White SolidMolecular weight:365.36Theophylline Impurity 19 (Mixture of Z and E Isomers)
CAS:Formula:C8H12O4Color and Shape:Colorless LiquidMolecular weight:172.18Omeprazole, EP grade
CAS:Formula:C17H19N3O3SPurity:99.0 - 101.0 % (dried substance)Color and Shape:White or almost white powderMolecular weight:345.42Dipyridamole EP Impurity G
CAS:Formula:C16H20Cl2N6Color and Shape:Pale Yellow SolidMolecular weight:367.28Betaxolol EP Impurity D
CAS:Formula:C12H16O2Color and Shape:Colorless Clear OilMolecular weight:192.26Lenvatinib Impurity 12 HCl
CAS:Formula:C24H18ClN3O5·HClColor and Shape:Off-White SolidMolecular weight:463.87 36.46Capecitabine Impurity 8
Formula:C15H22FN3O6Color and Shape:White To Off-White SolidMolecular weight:359.35Scopolamine
CAS:Formula:C17H21NO4Purity:≥ 98.0%Color and Shape:Colourless to pale-yellow, viscous liquidMolecular weight:303.35Modafinil, EP, USP grade
CAS:Formula:C15H15NO2SColor and Shape:White crystalline powderMolecular weight:273.35Neostigmine 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 36.46Hesperetin
CAS:Formula:C16H14O6Purity:≥ 97.0%Color and Shape:White, off-white, beige or pale yellow-brown powderMolecular weight:302.30Trifluoperazine Impurity 1 (4-Trifluoromethyl) Dimaleate
Formula:C21H24F3N3S·2C4H4O4Color and Shape:White To Off-White SolidMolecular weight:407.50 2*116.07Hyoscine Butylbromide EP Impurity E HCl
CAS:Formula:C20H27NO4·HClColor and Shape:White To Off-White SolidMolecular weight:345.44 36.46Piracetam
CAS:Formula:C6H10N2O2Purity:98.0 - 102.0 % (dried basis)Color and Shape:White or almost white powderMolecular weight:142.16Verapamil EP Impurity O HCl
CAS:Formula:C27H38N2O4·HClColor and Shape:White To Off-White SolidMolecular weight:454.61 36.46Lansoprazole N-Trifluoroethyl Impurity
CAS:Formula:C18H15F6N3O2SColor and Shape:White To Off-White SolidMolecular weight:451.39
