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(12,348 products)
- Anthraquinones and derivatives(405 products)
- Benzimidazole and Imidazole Derivatives(10,463 products)
- Benzodiazepine Derivatives(335 products)
- Carbohydrates and glycoconjugates(5,048 products)
- Esters and Derivatives(42,305 products)
- Fatty Acids and Lypidic Derivatives(32,454 products)
- Flavonoids and Polyphenols(17,098 products)
- Free Radicals and Oxidant/Reducing Agents(214 products)
- Ketones and derivatives(2,402 products)
- Natural and semi-synthetic antibiotics(6,398 products)
- Nitriles and Cyano Derivatives(3,070 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,486 products)
- Organic Phosphates and Phosphonates(1,202 products)
- Organic Sulphonates and Sulphates(10,447 products)
- Organometallics(4,424 products)
- Others(6,322 products)
- Peptides and Proteins(3,151 products)
- Polymers and Derivatives(100 products)
- Purines and Pyrimidine Derivatives(8,957 products)
- Quinazoline and Quinoline Derivatives(66,131 products)
- Quinones and Derivatives(24,376 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(80,360 products)
- Steroids and Derivatives(4,975 products)
- Sulfonamides and Derivatives(2,606 products)
- Terpenoids and Derivatives(3,858 products)
- Thiazolidinediones and Thiopyrans(2,755 products)
- β-Adrenergic Compounds(231 products)
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Found 57677 products of "APIs for research and impurities"
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Cefotaxime EP Impurity B
CAS:Formula:C14H15N5O6S2Color and Shape:Pale Yellow SolidMolecular weight:413.42Trilostane Impurity 4 (Mixture of Tautomeric Isomers)
CAS:Formula:C20H27NO2Color and Shape:White To Off-White SolidMolecular weight:313.44Fluocinolone Acetonide EP Impurity B (Fluocinolone Acetonide-20-Carboxylic Acid)
CAS:Formula:C23H28F2O6Color and Shape:Pale Yellow SolidMolecular weight:438.47Rolipram
CAS:Formula:C16H21NO3Purity:≥ 97.0%Color and Shape:White to yellow powderMolecular weight:275.34Haloperidol EP Impurity D (Haloperidol USP Related Compound A)
CAS:Formula:C32H36Cl2N2O3Color and Shape:White To Off-White SolidMolecular weight:567.55Pinaverium Bromide Impurity 1
Formula:C35H51Br2NO7Color and Shape:Yellow LiquidMolecular weight:757.61Empagliflozin Impurity 50 (Mixture of Diastereomers)
CAS:Formula:C23H27ClO7Color and Shape:White To Off-White SolidMolecular weight:450.91Calcitonin Impurity 33 Pentatrifluoroacetate
Formula:C146H241N43O47S2·5C2HF3O2Molecular weight:3414.91 5*114.02Bromfenac Impurity 32 Sodium Salt
CAS:Formula:C15H11ClNO3·NaColor and Shape:Yellow SolidMolecular weight:288.71 22.99Fingolimod Impurity 30 DiHCl
Formula:C24H44N2O4·2HClColor and Shape:White To Off-White SolidMolecular weight:424.63 2 36.46Dapagliflozin Impurity 55
CAS:Formula:C7H3BrCl2OColor and Shape:White To Off-White SolidMolecular weight:253.90Glipizide Impurity 21 (Ethyl Chloroformate)
CAS:Formula:C3H5ClO2Color and Shape:Colorless LiquidMolecular weight:108.52Ranitidine EP Impurity C (Ranitidine S-Oxide)
CAS:Formula:C13H22N4O4SColor and Shape:White To Off-White SolidMolecular weight:330.40Lomefloxacin Impurity 2 HCl
Formula:C17H20FN3O4·HClColor and Shape:White To Off-White SolidMolecular weight:349.36 36.46Naproxen EP Impurity A (O-Desmethyl Naproxen)
CAS:Formula:C13H12O3Color and Shape:White To Off-White SolidMolecular weight:216.24Rivaroxaban Impurity 97
CAS:Formula:C17H16ClN3O4SColor and Shape:White To Off-White SolidMolecular weight:393.84Fosfomycin Trometamol EP Impurity A Disodium Salt
CAS:Formula:C3H7O5P·2NaColor and Shape:White To Off-White SolidMolecular weight:154.06 2*22.99Imatinib Impurity 49 (Imatinib Piperazine N1-Oxide)
CAS:Formula:C29H31N7O2Color and Shape:White To Off-White SolidMolecular weight:509.61Tirofiban Impurity 66 TriHCl
Formula:C40H64N4O6S·3HClColor and Shape:Colorless Crystalline SolidMolecular weight:729.03 3*36.46Gabapentin EP Impurity E (Gabapentin USP Related Compound E)
CAS:Formula:C9H14O4Molecular weight:186.21Leuprorelin (Leuprolide) EP Impurity A Ditrifluoroacetate
CAS:Formula:C59H84N16O12·2C2HF3O2Color and Shape:White To Off-White SolidMolecular weight:1209.42 2*114.02Oseltamivir EP Impurity D
CAS:Formula:C11H13NO4Color and Shape:Off-White SolidMolecular weight:223.23Piperacillin Impurity 4
Formula:C41H48N8O10S2Color and Shape:White To Off-White SolidMolecular weight:877.00Avanafil Impurity 13 HCl
CAS:Formula:C5H11N3·HClColor and Shape:Brown SolidMolecular weight:113.16 36.46Galantamine EP Impurity A ((-)-Narwedine, Galantaminone)
CAS:Formula:C17H19NO3Color and Shape:Off-White SolidMolecular weight:285.34Lomefloxacin Impurity 3
CAS:Formula:C16H19F2N3OColor and Shape:White To Off-White SolidMolecular weight:307.34Rivaroxaban Impurity 111
CAS:Formula:C13H17ClN2O3Color and Shape:White To Off-White SolidMolecular weight:284.74Ulipristal Impurity 1
Formula:C30H37NO4Color and Shape:White To Off-White SolidMolecular weight:475.63Cabazitaxel Impurity 40
CAS:Formula:C53H63NO15Color and Shape:White To Off-White SolidMolecular weight:954.08Lopinavir EP Impurity G
CAS:Formula:C30H36N2O4Color and Shape:White To Off-White SolidMolecular weight:488.63Baclofen Impurity 4
CAS:Formula:C11H9ClO3Color and Shape:White To Off-White SolidMolecular weight:224.64Ebastine EP Impurity F (cis-Ebastine N-Oxide)
CAS:Formula:C32H39NO3Color and Shape:White To Off-White SolidMolecular weight:485.67Progesterone Impurity 10 (3β, 20S)-Pregn-5-ene-3,17,20-triol Sulfate)
CAS:Formula:C21H34O6SColor and Shape:White To Off-White SolidMolecular weight:414.57Rocuronium Bromide Impurity 2
CAS:Formula:C19H28OColor and Shape:Off-White SolidMolecular weight:272.43Ascorbic Acid EP Impurity H
CAS:Formula:C7H8O7Color and Shape:Pale Brown SolidMolecular weight:204.13Doxepin Impurity 2 HCl
Formula:C33H31NO2·HClColor and Shape:White To Off-White SolidMolecular weight:473.62 36.46Sorafenib EP Impurity G
CAS:Formula:C10H9ClF3NO2Color and Shape:White To Off-White SolidMolecular weight:267.63Docetaxel Impurity 34
CAS:Formula:C15H21NO5Color and Shape:White To Off-White SolidMolecular weight:295.34Gentamicin sulfate
CAS:Formula:C60H127N15O26SColor and Shape:White to off-white powderMolecular weight:575.67Ambroxol Impurity 9 HCl
Formula:C13H19BrN2O·HClColor and Shape:White To Off-White SolidMolecular weight:299.21 36.46Cyproterone Acetate EP Impurity B
Formula:C25H32O5Color and Shape:Pale Yellow SolidMolecular weight:412.53Sitagliptin Tablets EP Impurity FP-C
CAS:Formula:C16H12F6N4OColor and Shape:White To Off-White SolidMolecular weight:390.29rac-Selegiline EP Impurity D HCl (rac-Selegiline USP Related Compound D, rac-N-Desmethyl Selegiline HCl)
CAS:Formula:C12H15N·HClColor and Shape:White To Off-White SolidMolecular weight:173.26 36.46Linaclotide Impurity 1 Trifluoroacetate
CAS:Formula:C59H78N14O22S6·C2HF3O2Molecular weight:1527.71 114.02Indapamide Impurity 2
CAS:Formula:C7H7ClN2O3SColor and Shape:White To Off-White SolidMolecular weight:234.65Lodoxamide Impurity 1-d5
CAS:Formula:C4H4D5NO2Color and Shape:White To Off-White SolidMolecular weight:108.15Cyantraniliprole Impurity 2
CAS:Formula:C19H16BrClN6O3Color and Shape:White To Off-White SolidMolecular weight:491.73Tretinoin EP Impurity C (Isotretinoin EP Impurity C, 11,13-di-cis-Retinoic Acid)
CAS:Formula:C20H28O2Color and Shape:Yellow SolidMolecular weight:300.44Progesterone EP Impurity I (Mixture of Diastereomers)
CAS:Formula:C22H32O2Color and Shape:White To Off-White SolidMolecular weight:328.50Benazepril EP Impurity B (1R,3S-Isomer) (Benazepril USP Related Compound B (Free Form))
CAS:Formula:C24H28N2O5Molecular weight:424.50Racecadotril EP Impurity H (Mixture of Diastereomers)
CAS:Formula:C38H40N2O6S2Color and Shape:White To Off-White SolidMolecular weight:684.87Sacubitril Impurity 11 HCl
CAS:Formula:C18H21NO2·HClColor and Shape:White To Off-White SolidMolecular weight:283.37 36.46Irinotecan EP Impurity E (Irinotecan USP Related Compound B, (S)-7-Ethyl-10-Hydroxy Camptothecin)
CAS:Formula:C22H20N2O5Color and Shape:Pale Yellow SolidMolecular weight:392.41Carteolol HCl EP Impurity C
CAS:Formula:C12H13NO3Color and Shape:White To Off-White SolidMolecular weight:219.24Chlortalidone (Chlorthalidone) EP Impurity C
CAS:Formula:C16H14ClNO5SColor and Shape:White To Off-White SolidMolecular weight:367.80Penicillin G sodium salt, USP grade
CAS:Formula:C16H17N2NaO4SPurity:96.0 - 102.0 %Color and Shape:White or almost white crystalline powderMolecular weight:356.37Sarafloxacin hydrochloride
CAS:Formula:C20H17F2N3O3·HCl·xH2OPurity:≥ 98.0%Color and Shape:White to light-yellow crystalline powderMolecular weight:421.83 (anhydrous)Diclofenac Impurity 33
Formula:C14H9Cl4NOColor and Shape:White To Off-White SolidMolecular weight:349.03Lomefloxacin Impurity 6 HCl
CAS:Formula:C16H17F2N3O3·HClColor and Shape:Pale Yellow SolidMolecular weight:337.33 36.46Sodium Fusidate EP Impurity O Sodium Salt
CAS:Formula:C29H45O5·NaColor and Shape:White To Off-White SolidMolecular weight:473.68 22.99Mycophenolic Acid Impurity 1 (Mycophenolic Acid Dimer)
Formula:C34H38O11Color and Shape:White To Off-White SolidMolecular weight:622.67Doxorubicin EP Impurity B HBr
CAS:Formula:C29H34BrNO11·HBrColor and Shape:Red SolidMolecular weight:652.50 80.91Anastrozole Impurity 4
CAS:Formula:C17H21N3O4Color and Shape:White To Off-White SolidMolecular weight:331.37Aprepitant Impurity 11 HCl
CAS:Formula:C20H18F7NO2·HClColor and Shape:White To Off-White SolidMolecular weight:437.36 36.46Dipyridamole EP Impurity A (Dipyridamole USP Related Compound A)
CAS:Formula:C25H40N8O2Color and Shape:Yellow SolidMolecular weight:484.65Cholesterol EP Impurity B (Desmosterol)
CAS:Formula:C27H44OColor and Shape:White To Off-White SolidMolecular weight:384.65Dimetindene EP Impurity F HCl
CAS:Formula:C17H25N·HClColor and Shape:Pale Yellow SolidMolecular weight:C17H25N. HClDomperidone EP Impurity B
CAS:Formula:C13H14ClN3O2Color and Shape:White To Off-White SolidMolecular weight:279.73Cyclophosphamide Impurity 3 DiHCl
CAS:Formula:C7H19N2O5P·2HClColor and Shape:Pale Brown OilMolecular weight:242.21 2*36.46Vildagliptin Impurity 7 (Mixture of Diastereomers)
CAS:Formula:C10H14N2O2Color and Shape:White To Off-White SolidMolecular weight:194.23Terbinafine EP Impurity A HCl (Terbinafine USP Related Compound A)
CAS:Formula:C12H13N·HClColor and Shape:White To Off-White SolidMolecular weight:171.24 36.46Isotretinoin, USP grade
CAS:Formula:C20H28O2Purity:98.0 - 102.0 % (dried basis)Color and Shape:Off-white to yellow crystalline powderMolecular weight:300.44Omeprazole Impurity 2
CAS:Formula:C16H15N3O4Color and Shape:White To Off-White SolidMolecular weight:313.31Levonorgestrel EP Impurity W
CAS:Formula:C21H24O2Color and Shape:Off-White SolidMolecular weight:308.42Ramelteon Impurity 9
CAS:Formula:C14H16O3Color and Shape:White To Off-White SolidMolecular weight:232.28Iopromide EP Impurity H
CAS:Formula:C14H15I3N2O7Color and Shape:White To Off-White SolidMolecular weight:703.99Glipizide Impurity 19
CAS:Formula:C8H11NO3SColor and Shape:White To Off-White SolidMolecular weight:201.24Rimonabant hydrochloride
CAS:Formula:C22H21Cl3N4O·HClPurity:≥ 97.0% (dried basis)Color and Shape:White to off-white crystalline powderMolecular weight:500.25Rocuronium Bromide Impurity 3
CAS:Formula:C19H28OColor and Shape:White To Off-White SolidMolecular weight:272.43Pentoxifylline EP Impurity J
CAS:Formula:C26H34N8O5Color and Shape:White To Off-White SolidMolecular weight:538.61Cisatracurium Besilate EP Impurity R Dioxalate
CAS:Formula:C51H66N2O12·2C2H2O4Color and Shape:White To Off-White SolidMolecular weight:899.09 2*90.03Pregabalin Impurity 37 D-Tartrate
CAS:Formula:C10H22N2O·C4H6O6Color and Shape:White To Off-White SolidMolecular weight:186.30 150.09Piperacillin sodium salt
CAS:Formula:C23H26N5NaO7SPurity:≤ 1.0%Color and Shape:White to off-white powderMolecular weight:539.54Pimonidazole hydrochloride
CAS:Formula:C11H18N4O3·HClPurity:≥ 99.0%Color and Shape:White to off-white powderMolecular weight:290.75Piroxicam EP Impurity J (Meloxicam EP Impurity E)
CAS:Formula:C11H11NO5SColor and Shape:White To Off-White SolidMolecular weight:269.27Esomeprazole Impurity 13
CAS:Formula:C16H16ClN3OSColor and Shape:Off-White SolidMolecular weight:333.83Pranlukast hydrate
CAS:Formula:C27H23N5O4·xH2OPurity:(HPLC) ≥ 99.0%Color and Shape:White powder or crystalsMolecular weight:481.50 (anhydrous)Chlorhexidine digluconate, 20% in water
CAS:Formula:C22H30Cl2N102C6H12O7Purity:18.5 - 21.5 %Color and Shape:Clear, colourless to light-yellow liquidMolecular weight:897.76Bendamustine Impurity 32
CAS:Formula:C19H27Cl2N3O2Color and Shape:White To Off-White SolidMolecular weight:400.35Fluoxetine Impurity 3 HCl
Formula:C17H18F3NO·HClColor and Shape:White To Off-White SolidMolecular weight:309.33 36.46Vernakalant Impurity 7 ((3R,1'R,2'S)-Isomer)
CAS:Formula:C20H31NO4Color and Shape:White To Off-White SolidMolecular weight:349.47(R)-Levetiracetam EP Impurity A
CAS:Formula:C8H13NO3Color and Shape:White To Off-White SolidMolecular weight:171.20Dofetilide
CAS:Formula:C19H27N3O5S2Purity:(HPLC) ≥ 98.0%Color and Shape:White to off-white powderMolecular weight:441.56Hydroxychloroquine Impurity 4
Formula:C25H26Cl2N4OColor and Shape:White To Off-White SolidMolecular weight:469.41Isosorbide-13C6 Dinitrate EP Impurity B (Isosorbide-13C6 2-Mononitrate) (Diluted with Lactose)
CAS:Formula:C6H9NO6Molecular weight:197.09Atropine EP Impurity A HCl (Hyoscyamine EP Impurity G HCl, Apoatropine HCl)
CAS:Formula:C17H21NO2·HClMolecular weight:271.36 36.46N-Nitroso-N-Desmethyl Tetracycline (N-Nitroso-N-Desmethyl Oxytetracycline EP Impurity B)
Formula:C21H21N3O9Molecular weight:459.41Doxylamine EP Impurity A DiHCl
CAS:Formula:C17H22N2O·2HClColor and Shape:Pale Yellow SolidMolecular weight:270.38 2*36.46Bortezomib Impurity 1 (S,S-Isomer)
Formula:C57H69B3N12O9Color and Shape:White To Off-White SolidMolecular weight:1098.68Carbinoxamine Impurity A
CAS:Formula:C12H10ClNOColor and Shape:White To Off-White SolidMolecular weight:219.67Hydroxychloroquine EP Impurity A (Hydroxychloroquine N-Oxide)
CAS:Formula:C18H26ClN3O2Color and Shape:White To Off-White SolidMolecular weight:351.88Cimetidine EP Impurity H
CAS:Formula:C10H18N8S2Color and Shape:White To Off-White SolidMolecular weight:314.43Loteprednol Impurity 8
CAS:Formula:C24H29ClO7Color and Shape:White To Off-White SolidMolecular weight:464.94Teicoplanin
CAS:Purity:≥ 900μg/mg (dried basis)Color and Shape:White to light-yellow crystalline powderMolecular weight:-Chlorambucil EP Impurity B
CAS:Formula:C12H16ClNO2Color and Shape:White To Off-White SolidMolecular weight:241.72Efinaconazole Impurity 36
CAS:Formula:C18H22F2N4OColor and Shape:Pale Yellow SolidMolecular weight:348.40Tryptamine Impurity 1 HCl
CAS:Formula:C13H18N2O·HClColor and Shape:Pale Brown SolidMolecular weight:218.30 36.46Rebamipide 3-Chloro Impurity
CAS:Formula:C19H15ClN2O4Color and Shape:White To Off-White SolidMolecular weight:370.79Salbutamol Impurity 15
Formula:C10H9ClO4Color and Shape:White To Off-White SolidMolecular weight:228.63Albendazole Impurity 1 DiHCl
CAS:Formula:C9H14N2S·2HClColor and Shape:Pale Pink SolidMolecular weight:182.29 2*36.46Exemestane EP Impurity B (Exemestane USP Related Compound B) (Mixture of Diastereomers)
CAS:Formula:C20H26O3Color and Shape:White To Off-White SolidMolecular weight:314.43Betulin
CAS:Formula:C30H50O2Purity:≥ 98.0%Color and Shape:White to off-white powderMolecular weight:442.72Hydrochlorothiazide EP Impurity C
CAS:Formula:C15H16Cl2N6O8S4Color and Shape:White To Off-White SolidMolecular weight:607.47Sulfasalazine EP Impurity C
CAS:Formula:C18H14N4O3Color and Shape:Orange SolidMolecular weight:334.34Budesonide Impurity 24
CAS:Formula:C21H28O5Color and Shape:White To Off-White SolidMolecular weight:360.45Moxifloxacin Impurity 5
CAS:Formula:C17H18FNO5Color and Shape:White To Off-White SolidMolecular weight:335.33Pazopanib
CAS:Formula:C21H23N7O2SPurity:≥ 98.0% (dried basis)Color and Shape:Off-white to light-yellow or beige powderMolecular weight:437.52Tizanidine EP Impurity E (Tizanidine USP Related Compound A)
CAS:Formula:C6H4ClN3SColor and Shape:Yellow SolidMolecular weight:185.63Phentolamine mesylate
CAS:Formula:C17H19N3O·CH3SO3HPurity:≥ 98.0%Color and Shape:White to off-white crystalline powderMolecular weight:377.46Clomiphene Impurity 8 Citrate (Mixture of Z and E Isomers)
Formula:C33H34ClNO·C6H8O7Molecular weight:496.09 192.12Modafinil Impurity 3
CAS:Formula:C14H14SColor and Shape:White To Off-White Solid (Low M P )Molecular weight:214.33Istradefylline Impurity 7
CAS:Formula:C20H24N4O4Color and Shape:Pale Yellow SolidMolecular weight:384.44Gabexate mesylate
CAS:Formula:C16H23N3O4·CH4O3SPurity:(HPLC) ≥ 98.0%Color and Shape:White to off-white crystalline powderMolecular weight:417.48Sulbactam Impurity 1 (6-α-Bromopenicllanic Acid)
CAS:Formula:C8H10BrNO3SColor and Shape:Yellow LiquidMolecular weight:280.14Closantel EP Impurity H
CAS:Formula:C23H17Cl2I2NO4Color and Shape:White To Off-White SolidMolecular weight:696.10Argatroban Impurity 51 Acetate
CAS:Formula:C23H32N6O5S·C2H4O2Color and Shape:White To Off-White SolidMolecular weight:504.61 60.05Amikacin EP Impurity F
CAS:Formula:C26H50N6O15Color and Shape:White To Off-White SolidMolecular weight:686.71Azilsartan Impurity 47
CAS:Formula:C23H19N3O4Color and Shape:White To Off-White SolidMolecular weight:401.43Lycorine
CAS:Formula:C16H17NO4Purity:≥ 98.0%Color and Shape:White to light-yellow powderMolecular weight:287.31Aripiprazole EP Impurity E-d8 (Aripiprazole USP Related Compound G-d8, Dehydro Aripiprazole-d8)
CAS:Formula:C23H17D8Cl2N3O2Color and Shape:White To Off-White SolidMolecular weight:454.42
