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(12,327 products)
- Anthraquinones and derivatives(405 products)
- Benzimidazole and Imidazole Derivatives(10,433 products)
- Benzodiazepine Derivatives(335 products)
- Carbohydrates and glycoconjugates(5,014 products)
- Esters and Derivatives(42,245 products)
- Fatty Acids and Lypidic Derivatives(32,393 products)
- Flavonoids and Polyphenols(17,085 products)
- Free Radicals and Oxidant/Reducing Agents(213 products)
- Ketones and derivatives(2,401 products)
- Natural and semi-synthetic antibiotics(6,376 products)
- Nitriles and Cyano Derivatives(3,067 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,431 products)
- Organic Phosphates and Phosphonates(1,202 products)
- Organic Sulphonates and Sulphates(10,433 products)
- Organometallics(4,422 products)
- Others(6,291 products)
- Peptides and Proteins(3,143 products)
- Polymers and Derivatives(100 products)
- Purines and Pyrimidine Derivatives(8,948 products)
- Quinazoline and Quinoline Derivatives(65,924 products)
- Quinones and Derivatives(24,344 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(79,624 products)
- Steroids and Derivatives(4,973 products)
- Sulfonamides and Derivatives(2,592 products)
- Terpenoids and Derivatives(3,845 products)
- Thiazolidinediones and Thiopyrans(2,752 products)
- β-Adrenergic Compounds(230 products)
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Found 56931 products of "APIs for research and impurities"
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Posaconazole Impurity 35 Oxalate
Formula:C13H20N2O2·C2H2O4Color and Shape:White To Off-White SolidMolecular weight:236.32 90.03Iopamidol EP Impurity C
CAS:Formula:C16H20I3N3O7Color and Shape:White To Off-White SolidMolecular weight:747.06Ibuprofen EP Impurity L
CAS:Formula:C13H18O3Color and Shape:White To Off-White SolidMolecular weight:222.28Mesalazine (Mesalamine) EP Impurity N (5-Nitrosalicylic Acid)
CAS:Formula:C7H5NO5Color and Shape:Yellow SolidMolecular weight:183.12Prazosin HCl (Furazosin HCl, Terazosin EP Impurity K HCl)
CAS:Formula:C19H21N5O4·HClColor and Shape:White To Off-White SolidMolecular weight:383.41 36.46Scopolamine EP Impurity A (Norscopolamine, Norhyoscine)
CAS:Formula:C16H19NO4Color and Shape:White To Off-White SolidMolecular weight:289.33Felodipine EP Impurity C
CAS:Formula:C19H21Cl2NO4Color and Shape:White To Off-White SolidMolecular weight:398.28Milnacipran Impurity 1
CAS:Formula:C15H20ClNOColor and Shape:Pale Yellow LiquidMolecular weight:265.78Betaxolol hydrochloride
CAS:Formula:C18H29NO3·HClPurity:(Titration) ≥ 98.5% (dried basis)Color and Shape:White powderMolecular weight:343.89Vilanterol Impurity 3 Triphenylacetate
CAS:Formula:C23H31Cl2NO5·C20H16O2Color and Shape:White To Off-White SolidMolecular weight:472.41 288.35Abiraterone Dimer Impurity (Prasteronyl Abiraterone)
CAS:Formula:C43H57NO2Color and Shape:White To Off-White SolidMolecular weight:619.93Solifenacin Impurity 3
CAS:Formula:C22H19NO2Color and Shape:Colorless Semi-SoldMolecular weight:329.40Gliclazide EP Impurity E
Formula:C15H19N3O3SColor and Shape:White To Off-White SolidMolecular weight:321.40Diltiazem EP Impurity F-d4 HCl (Desacetyl Diltiazem-d4 HCl)
CAS:Formula:C20H20D4N2O3S·HClColor and Shape:White To Off-White SolidMolecular weight:376.51 36.46Lamotrigine Impurity 15
CAS:Formula:C23H11Cl6N5O2Color and Shape:White To Off-White SolidMolecular weight:602.07Sparfloxacin
CAS:Formula:C19H22F2N4O3Purity:≥ 98.0% (dried basis)Color and Shape:White to light-yellow powderMolecular weight:392.4Nebivolol hydrochloride
CAS:Formula:C22H25F2NO4·HClPurity:≥ 98.0% (anhydrous basis)Color and Shape:White to off-white crystalline powderMolecular weight:441.90Aciclovir (Acyclovir) EP Impurity M
CAS:Formula:C12H15N5O5Color and Shape:Off-White SolidMolecular weight:309.28Riboflavin Sodium Phosphate EP Impurity B (Rbofliavin-3’,5’-Diphosphate)
CAS:Formula:C17H22N4O12P2Molecular weight:536.33Abiraterone Epoxide Impurity 20 (Mixture of α and β-Epoxy Abiraterone Acetate)
CAS:Formula:C26H33NO3Color and Shape:White To Off-White SolidMolecular weight:407.55Dimethindene
CAS:Formula:C20H24N2Purity:≥ 98.0%Color and Shape:White to pale beige solidMolecular weight:292.42Penehyclidine Impurity 10 ((S,R)-Penehyclidine)
CAS:Formula:C20H29NO2Color and Shape:Off-White SolidMolecular weight:315.46Dolutegravir Impurity 8
CAS:Formula:C20H19F2N3O5Color and Shape:White To Off-White SolidMolecular weight:419.38Atracurium Impurity 30 Besylate
CAS:Formula:C28H40NO6·C6H5O3SColor and Shape:White To Off-White SolidMolecular weight:486.63 157.16Tenofovir
CAS:Formula:C9H14N5O4PPurity:≥ 98.0% (anhydrous)Color and Shape:White to off-white powderMolecular weight:287.21Difluprednate Impurity 10
Formula:C19H22F2O3Color and Shape:White To Off-White SolidMolecular weight:336.38Atorvastatin Impurity 84 Sodium Salt
Formula:C26H29FNO4·NaColor and Shape:Pale Green SolidMolecular weight:438.52 22.99Zolmitriptan EP Impurity C (Zolmitriptan USP Related Compound F)
CAS:Formula:C38H53N7O4Color and Shape:Yellow SolidMolecular weight:671.89Tofacitinib Impurity 61
CAS:Formula:C16H22N6O2Color and Shape:White To Off-White SolidMolecular weight:330.39Piracetam Impurity 1
CAS:Formula:C7H12N2O2Color and Shape:White To Off-White SolidMolecular weight:156.19Cladribine EP Impurity B
CAS:Formula:C11H15N5O4Color and Shape:White To Off-White SolidMolecular weight:281.27Clonidine EP Impurity A
CAS:Formula:C5H8N2O2Color and Shape:White To Off-White SolidMolecular weight:128.13Amlodipine
CAS:Formula:C20H25ClN2O5Purity:≥ 98.0%Color and Shape:White to off-white powderMolecular weight:408.88Saflufenacil Impurity 3
CAS:Formula:C17H17ClF4N4O5SColor and Shape:White To Off-White SolidMolecular weight:500.85Minoxidil Impurity 9
CAS:Formula:C9H12N4Color and Shape:White To Off-White SolidMolecular weight:176.22Melphalan EP Impurity A (Dihydroxy Melphalan)
CAS:Formula:C13H20N2O4Color and Shape:White To Off-White SolidMolecular weight:268.31Silodosin Impurity 2 DiHCl (Silodosin 7-Carbonitrile DiHCl)
CAS:Formula:C25H30F3N3O3·2HClColor and Shape:Brown SolidMolecular weight:477.53 2*36.46Bazedoxifene Impurity 2
CAS:Formula:C30H34N2O3Color and Shape:Pale Yellow SolidMolecular weight:470.61rac-Sitagliptin Impurity 8 DiHCl
Formula:C15H17F2N5O·2HClColor and Shape:White To Off-White SolidMolecular weight:321.33 2*36.46Minoxidil sulfate salt
CAS:Formula:C9H15N5O4SPurity:≥ 98.0% (anhydrous basis)Color and Shape:White to off-white powderMolecular weight:289.31Ezetimibe Impurity 75 (Tetrahydro-pyran-2-one)
Formula:C24H21F2NO3Color and Shape:Off-White SolidMolecular weight:409.43rac-Atomoxetine EP Impurity C HCl (Atomoxetine USP Related Compound C)
CAS:Formula:C17H21NO·HClColor and Shape:White To Off-White SolidMolecular weight:255.36 36.46Venlafaxine EP Impurity B HCl
CAS:Formula:C14H21NO3·HClColor and Shape:White To Off-White SolidMolecular weight:251.33 36.46Febuxostat Impurity 7
Formula:C16H18N2O4SColor and Shape:White To Off-White SolidMolecular weight:334.39Ampicillin trihydrate, USP grade
CAS:Formula:C16H19N3O4S·3H2OPurity:900 - 1050 μg/mg (C16H19N3O4S, dried basis)Color and Shape:White to off-white powderMolecular weight:403.45Semaglutide Impurity 1 Tetratrifluoroacetate ((Trp25-Hydroxybenzyl)-Semaglutide Tetratrifluoroacetate)
Formula:C194H297N45O60·4C2HF3O2Molecular weight:4219.77 4*114.02Clethodim Impurity 21 Chloride
CAS:Formula:C9H16ClN4·ClColor and Shape:White To Off-White SolidMolecular weight:215.70 35.45Rivaroxaban Impurity 26
CAS:Formula:C23H21Cl2N3O5S2Color and Shape:White To Off-White SolidMolecular weight:554.46Aprotinin
CAS:Formula:C284H432N84O79S7Purity:≥ 5400KIU/mg (dried basis)Color and Shape:White, off-white or pale yellow crystalline powderMolecular weight:6511.52Policresulen Impurity 9 Ammonium Salt
CAS:Formula:C7H6ClO4S·H4NColor and Shape:White To Off-White SolidMolecular weight:221.63 18.04Cetirizine EP Impurity F
CAS:Formula:C21H26N2O3Color and Shape:White To Off-White SolidMolecular weight:354.45Prothioconazole Impurity 8 (Mixture of Diastereomers)
CAS:Formula:C14H15Cl2N3O2Color and Shape:White To Off-White SolidMolecular weight:328.19Latanoprost EP Impurity G (Latanoprost Methyl Ester)
CAS:Formula:C24H36O5Color and Shape:Colourless LiquidMolecular weight:404.55Triclosan, USP grade
CAS:Formula:C12H7Cl3O2Purity:≤ 0.1%Color and Shape:White crystalline powder or crystalsMolecular weight:289.55Vardenafil Impurity 2
CAS:Formula:C23H30N6O6SColor and Shape:White To Off-White SolidMolecular weight:518.59Ribavirin Impurity 16 (6-Acetylaminopurine)
CAS:Formula:C7H7N5OColor and Shape:White To Off-White SolidMolecular weight:177.17Norethindrone (Norethisterone Acetate EP Impurity A, Levonorgestrel EP Impurity U)
CAS:Formula:C20H26O2Color and Shape:White To Off-White SolidMolecular weight:298.43Pitavastatin Impurity 3 (PP-3)
Formula:C20H16FNColor and Shape:White To Off-White SolidMolecular weight:289.36Dolutegravir Impurity 16
CAS:Formula:C20H19F2N3O5Color and Shape:White To Off-White SolidMolecular weight:419.38Ciprofloxacin, 98%
CAS:Formula:C17H18FN3O3Purity:≥ 98.0%Color and Shape:White to off-white powderMolecular weight:331.30Norethindrone Impurity 25 (10-β Hydroxy Norethindrone)
CAS:Formula:C20H26O3Color and Shape:White To Off-White SolidMolecular weight:314.43Rivaroxaban EP Impurity F
CAS:Formula:C5H3ClO2SColor and Shape:Off-White To Pale Yellow SolidMolecular weight:162.59Ibuprofen Impurity 15 (Ibuprofen Sorbitol Ester) (Mixture of Diastereomers)
Formula:C19H30O7Color and Shape:White To Off-White SolidMolecular weight:370.44Arbutin
CAS:Formula:C12H16O7Purity:≥ 99.0%Color and Shape:White or almost white crystalline powderMolecular weight:272.26Ubiquinone 10 (Coenzyme Q2)
CAS:Formula:C19H26O4Purity:≥ 90.0%Color and Shape:Dark orange to red liquidMolecular weight:318.41Formoterol Impurity 5
CAS:Formula:C19H24N2O3Color and Shape:White To Off-White SolidMolecular weight:328.41Nicotine EP Impurity E-d3 (Nicotine-1'-Oxide-d3) (Mixture of Diastereomers)
CAS:Formula:C10H11D3N2OColor and Shape:Pale Yellow SolidMolecular weight:181.25Glycopyrronium Bromide EP Impurity I Bromide (RS-Isomer) (Glycopyrrolate USP Related Compound I (RS-Isomer))
Formula:C19H27ClNO3·BrColor and Shape:White To Off-White SolidMolecular weight:352.88 79.90Icatibant acetate
CAS:Formula:C61H93N19O15SPurity:(HPLC) ≥ 95.0%Color and Shape:White to almost white powderMolecular weight:1364.57Beclometasone (Beclomethasone) Dipropionate EP Impurity O
CAS:Formula:C28H36Cl2O6Color and Shape:White To Off-White SolidMolecular weight:539.49Chlorphenamine EP Impurity D Maleate
CAS:Formula:C17H18ClN3·C4H4O4Color and Shape:Pale Red SolidMolecular weight:299.80 116.07Acitretin EP Impurity A (Acitretin USP Related Compound A, 13-cis-Acitretin)
CAS:Formula:C21H26O3Color and Shape:Yellow SolidMolecular weight:326.43rac-Mirabegron Impurity 40
Formula:C23H26N4O3SColor and Shape:White To Off-White SolidMolecular weight:438.55Dorzolamide EP Impurity D HCl (Dorzolamide USP Related Compound D)
CAS:Formula:C8H12N2O4S3·HClColor and Shape:White To Off-White SolidMolecular weight:296.37 36.46Beclometasone (Beclomethasone) Dipropionate-d6 (Betamethasone Dipropionate EP Impurity E-d6)
CAS:Formula:C28H31D6ClO7Color and Shape:White To Off-White SolidMolecular weight:527.08Bacitracin EP Impurity A Tritrifluoroacetate
CAS:Formula:C64H99N17O16S·3C2HF3O2Molecular weight:1394.66 3*114.02Fluorouracil EP Impurity E (Fluorouracil USP Related Compound E)
CAS:Formula:C4H3ClN2O2Color and Shape:White To Off-White SolidMolecular weight:146.53Prasugrel Impurity 27-d4 (Mixture of Diastereomers)
CAS:Formula:C18H16D4FNO3SColor and Shape:White To Off-White SolidMolecular weight:353.44Modafinil EP Impurity A (Modafinil Acid)
CAS:Formula:C15H14O3SColor and Shape:White To Off-White SolidMolecular weight:274.33Dapagliflozin Impurity 2
CAS:Formula:C15H14BrClOColor and Shape:White To Off-White SolidMolecular weight:325.63Amorolfine EP Impurity A (Amorolfine N-Oxide)
CAS:Formula:C21H35NO2Color and Shape:White To Off-White SolidMolecular weight:333.52Tirofiban Impurity 21 Sodium Salt
CAS:Formula:C4H9O3S·NaColor and Shape:White To Off-White SolidMolecular weight:137.18 22.99Papaverine EP Impurity D (Papaveraldine)
CAS:Formula:C20H19NO5Color and Shape:Pale Yellow SolidMolecular weight:353.37Visomitin Impurity 2
CAS:Formula:C22H22OP·BrColor and Shape:White To Off-White SolidMolecular weight:333.39 79.90Lifitegrast Impurity 5
CAS:Formula:C19H13Cl2NO4Color and Shape:Pale Yellow SolidMolecular weight:390.22Galantamine EP Impurity C (Dihydro Galantamine)
CAS:Formula:C17H23NO3Color and Shape:White To Off-White SolidMolecular weight:289.38Geldanamycin
CAS:Formula:C29H40N2O9Purity:≥ 98.0%Color and Shape:Yellow to orange powderMolecular weight:560.64Gestodene EP Impurity A (δ-6-Gestodene)
Formula:C21H24O2Color and Shape:Off-White To Pale Yellow SolidMolecular weight:308.42Loperamide hydrochloride
CAS:Formula:C29H33ClN2O2·HClPurity:≥ 98.0% (dried basis)Color and Shape:White to almost white powderMolecular weight:513.51Beclometasone (Beclomethasone) Dipropionate EP Impurity H (Beclomethasone Dipropionate USP Related Compound H, Beclomethasone-17-Monopropionate)
CAS:Formula:C25H33ClO6Color and Shape:White To Off-White SolidMolecular weight:464.98Ganirelix Impurity 9 Tritrifluoroacetate
Formula:C83H118ClN19O14·3C2HF3O2Molecular weight:1641.43 3*114.02Atorvastatin Impurity 34
CAS:Formula:C33H33FN2O5Color and Shape:Pale Yellow SolidMolecular weight:556.63Amoxicillin EP Impurity G (Amoxicillin USP Related Compound G)
CAS:Formula:C24H26N4O7SColor and Shape:White To Off-White SolidMolecular weight:514.55Bortezomib Impurity 49
Formula:C19H24N4O3Color and Shape:White To Off-White SolidMolecular weight:356.43Prasugrel α-Hydroxy Impurity
CAS:Formula:C11H11FO2Color and Shape:Pale Yellow LiquidMolecular weight:194.21Hydroxychloroquine Impurity 21 TetraHCl
CAS:Formula:C25H26Cl2N4O·4HClColor and Shape:White To Off-White SolidMolecular weight:469.41 4*36.46Dobutamine Impurity 5
CAS:Formula:C17H21NO4SColor and Shape:White To Off-White SolidMolecular weight:335.42Tamsulosin Impurity 17 HCl
Formula:C28H36N2O6S·HClColor and Shape:White To Off-White SolidMolecular weight:528.67 36.46Ampicillin EP Impurity D Disodium Salt (Mixture of Diastereomers)
CAS:Formula:C16H19N3O5S·2NaColor and Shape:Off-White SolidMolecular weight:365.41 2*22.99Folinic Acid EP Impurity B (Mixture of Diastereomers)
CAS:Formula:C21H23N7O8Color and Shape:Yellow SolidMolecular weight:501.46Calcipotriol EP Impurity C (Calcipotriene USP Related Compound C, (5E)-Calcipotriene)
CAS:Formula:C27H40O3Color and Shape:White To Off-White SolidMolecular weight:412.61Edoxaban Impurity 3 (1R,2S,5R) Oxalate
Formula:C14H27N3O3·C2H2O4Color and Shape:White To Off-White SolidMolecular weight:285.39 90.04Quetiapine EP Impurity G (Quetiapine USP Related Compound G)
CAS:Formula:C13H9NOSColor and Shape:Off-White SolidMolecular weight:227.28Foscarnet sodium
CAS:Formula:CNa3O5PPurity:≥ 98.0%Color and Shape:White to off-white crystalline powderMolecular weight:191.95Doxorubicinone (Doxorubicin EP Impurity D, Epirubicin EP Impurity A)
CAS:Formula:C21H18O9Color and Shape:Red SolidMolecular weight:414.37Chitin
CAS:Formula:C8H13NO5nColor and Shape:White to tan, orange or pink powderMolecular weight:[203.19]nCefathiamidine Impurity 1
CAS:Formula:C12H13BrN2O6SColor and Shape:White To Off-White SolidMolecular weight:393.22Apixaban Open Chain Acid Impurity
CAS:Formula:C25H27N5O5Color and Shape:Pale Yellow SolidMolecular weight:477.52Neostigmine Impurity 8 Metilsulfate
CAS:Formula:C10H16NO·CH3O4SColor and Shape:White To Off-White SolidMolecular weight:166.24 111.09Octreotide Impurity 1 Ditrifluoroacetate
CAS:Formula:C45H58N10O8S2·2C2HF3O2Color and Shape:White To Off-White SolidMolecular weight:931.15 2 114.02Penehyclidine Impurity 6 (Mixture of Diastereomers)
Formula:C33H45NO3Color and Shape:White To Off-White SolidMolecular weight:503.73rac-Paroxetine EP Impurity I (Mixture of Diastereomers)
CAS:Formula:C12H16FNOColor and Shape:White To Off-White SolidMolecular weight:209.26Dapoxetine Impurity 16
CAS:Formula:C19H16OColor and Shape:White To Off-White SolidMolecular weight:260.34Medetomidine Impurity 53
CAS:Formula:C13H14N2OColor and Shape:White To Off-White SolidMolecular weight:214.27Doxofylline Impurity 14
Formula:C12H18N4O5Color and Shape:White To Off-White SolidMolecular weight:298.30Fexofenadine EP Impurity F HCl (Mixture of Diastereomers)
CAS:Formula:C31H37NO4·HClColor and Shape:White To Off-White SolidMolecular weight:487.64 36.46Bisoprolol Impurity 4
CAS:Formula:C10H10O3Color and Shape:White To Off-White SolidMolecular weight:178.19Edoxaban Impurity 6 (1S,3R,4S)
CAS:Formula:C22H25ClN6O5SColor and Shape:White To Off-White SolidMolecular weight:520.99Roxithromycin EP Impurity C (Erythromycin A 9-Oxime (E-Isomer))
CAS:Formula:C37H68N2O13Color and Shape:White To Off-White SolidMolecular weight:748.95Progesterone EP Impurity D
CAS:Formula:C23H34O3Color and Shape:White To Off-White SolidMolecular weight:358.522-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:199.99
