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(3,428 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(24,237 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(79,468 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 56796 products of "APIs for research and impurities"
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Prucalopride Dimer Impurity
Formula:C26H30Cl2N4O5Color and Shape:White To Off-White SolidMolecular weight:549.45Diatrizoic acid dihydrate, USP grade
CAS:Formula:C11H9I3N2O4·2H2OPurity:98.0 - 102.0 % (anhydrous basis)Color and Shape:White to off-white powderMolecular weight:649.94Posaconazole Impurity 46
CAS:Formula:C36H40F2N8O5Color and Shape:White To Off-White SolidMolecular weight:702.76Edoxaban Impurity 13 (1R,2S,5S)
CAS:Formula:C21H30ClN5O5Color and Shape:White To Off-White SolidMolecular weight:467.95Moxifloxacin Impurity 18
CAS:Formula:C14H13FN2O4Color and Shape:Off-White SolidMolecular weight:292.276-Aminopenicillanic acid
CAS:Formula:C8H12N2O3SPurity:97.0 - 103.0 %Color and Shape:White to off-white powderMolecular weight:216.26Carvedilol EP Impurity D
CAS:Formula:C39H39N3O6Color and Shape:White To Off-White SolidMolecular weight:645.76Acetaminophen Impurity 1
CAS:Formula:C16H16N2O3Color and Shape:White To Off-White SolidMolecular weight:284.32Glycopyrronium Bromide EP Impurity I Bromide (Glycopyrrolate USP Related Compound I)
Formula:C19H27ClNO3·BrColor and Shape:White To Off-White SolidMolecular weight:352.88 79.90Clopidogrel EP Impurity F HCl
CAS:Formula:C15H16ClNO2S·HClColor and Shape:White To Off-White SolidMolecular weight:309.81 36.46Doxorubicin HCl (Daunorubicin EP Impurity D HCl, Epirubicin EP Impurity C HCl)
CAS:Formula:C27H29NO11·HClColor and Shape:Red SolidMolecular weight:543.53 36.46Etodolac EP Impurity C (Etodolac USP Related Compound A)
CAS:Formula:C16H19NO3Color and Shape:Off-White SolidMolecular weight:273.33Thioctic Acid Impurity 20 (Mixture of Isomers)
Formula:C8H14O3S2Color and Shape:Colorless Sticky OilMolecular weight:222.32Vilanterol Impurity 29
CAS:Formula:C13H15NO4Color and Shape:White To Off-White SolidMolecular weight:249.27Carbamazepine Impurity 5
CAS:Formula:C14H11Cl2NColor and Shape:White To Off-White SolidMolecular weight:264.15Linezolid Impurity 23 HCl
CAS:Formula:C5H10ClNO2·HClColor and Shape:White To Off-White SolidMolecular weight:151.59 36.46Cephradine
CAS:Formula:C16H19N3O4S·H2OPurity:≥ 95.0% (anhydrous basis)Color and Shape:White or off-white powderMolecular weight:349.40 (anhydrous)Lenvatinib Impurity 13
CAS:Formula:C11H10N2O3Color and Shape:White To Off-White SolidMolecular weight:218.21Loxapine Impurity 2-d8
CAS:Formula:C30H14D8Cl2N4O2Color and Shape:Yellow SolidMolecular weight:549.48Empagliflozin Impurity 53
CAS:Formula:C23H27ClO7Color and Shape:White To Off-White SolidMolecular weight:450.91Ibuprofen
CAS:Formula:C13H18O2Purity:98.0 - 102.0 % (dried basis)Color and Shape:White to almost white powderMolecular weight:206.29Sulfadimethoxine EP Impurity E
CAS:Formula:C6H8N2O2SColor and Shape:White To Off-White SolidMolecular weight:172.20Zopiclone Impurity 1
CAS:Formula:C17H18N6O3Color and Shape:White To Off-White SolidMolecular weight:354.37Lidocaine EP Impurity A HCl (Bupivacaine EP Impurity F HCl, Ropivacaine EP Impurity H HCl, Ropivacaine USP Related Compound A)
CAS:Formula:C8H11N·HClMolecular weight:121.18 36.46Atomoxetine EP Impurity G DiHCl (Mixture of Diastereomers)
CAS:Formula:C27H34N2O2·2HClColor and Shape:White To Off-White SolidMolecular weight:418.58 2*36.46Tadalafil Impurity 40 HCl
Formula:C23H23N3O5·HClColor and Shape:White To Off-White SolidMolecular weight:421.45 36.46Febuxostat Impurity 26
CAS:Formula:C16H17NO5SColor and Shape:White To Off-White SolidMolecular weight:335.37Nifuratel Impurity 39 (5-Nitrofuraldazine)
CAS:Formula:C10H6N4O6Color and Shape:Orange SolidMolecular weight:278.18Desipramine hydrochloride
CAS:Formula:C18H22N2·HClPurity:≥ 97.0%Color and Shape:White to off-white powderMolecular weight:302.84Furosemide Impurity 10
CAS:Formula:C12H12N2O6SColor and Shape:White To Off-White SolidMolecular weight:312.30Tetracaine
CAS:Formula:C15H24N2O2Purity:98.0 - 102.0 % (dried basis)Color and Shape:White, off-white or pale yellow crystalline powderMolecular weight:264.36Palonosetron EP Impurity D HCl (Palonosetron USP Related Compound E)
CAS:Formula:C19H22N2O·HClColor and Shape:White To Off-White SolidMolecular weight:294.40 36.46Tropicamide EP Impurity B (Tropicamide USP Related Compound B)
CAS:Formula:C17H18N2OColor and Shape:Orange OilMolecular weight:266.34Sofosbuvir Impurity 42
Formula:C16H27FN3O9PColor and Shape:White To Off-White SolidMolecular weight:455.37Ticagrelor Impurity 42 (Mixture of Diastereomers)
Formula:C23H28F2N6O5SColor and Shape:White To Off-White SolidMolecular weight:538.57Progesterone EP Impurity C (20(R)-Hydroxy Progesterone)
CAS:Formula:C21H32O2Color and Shape:White To Off-White SolidMolecular weight:316.49Sodium Gualenate Impurity 2 Sodium Salt
Formula:C15H15O4S·NaColor and Shape:Red SolidMolecular weight:291.34 22.99Gatifloxacin Impurity 3 HCl (Desethylene Gatifloxacin HCl)
CAS:Formula:C17H20FN3O4·HClColor and Shape:Off-White SolidMolecular weight:349.37 36.46Vitamin B12
CAS:Formula:C63H88CoN14O14PPurity:96.0 - 102.0 % (anhydrous)Color and Shape:Dark red crystalline powderMolecular weight:1355.38Solifenacin EP Impurity B
CAS:Formula:C19H21NO2Color and Shape:Colorless LiquidMolecular weight:295.38Abacavir EP Impurity F
CAS:Formula:C18H26N6OColor and Shape:White To Off-White SolidMolecular weight:342.45Nitrofurantoin
CAS:Formula:C8H6N4O5Purity:≥ 98.0% (anhydrous basis)Color and Shape:Yellow crystalline powderMolecular weight:238.16Lamivudine EP Impurity H
CAS:Formula:C8H11N3O4SColor and Shape:White To Off-White SolidMolecular weight:245.25Cyclophosphamide Impurity 2 HCl
CAS:Formula:C9H22ClN2O4P·HClColor and Shape:Colorless Semi-SolidMolecular weight:288.71 36.46Itraconazole Impurity 9
Formula:C35H39Cl2N8O3·2IColor and Shape:White To Off-White SolidMolecular weight:2*690.66 2*126.90Rivaroxaban Impurity 48
CAS:Formula:C18H20ClN3O4SColor and Shape:White To Off-White SolidMolecular weight:409.89Olmesartan
CAS:Formula:C29H30N6O6Purity:(HPLC) ≥ 98.0%Color and Shape:White to off-white powderMolecular weight:558.59Glycopyrronium Bromide EP Impurity L (Glycopyrrolate USP Related Compound L)
CAS:Formula:C14H18O3Color and Shape:Colorless LiquidMolecular weight:234.30Aprepitant Impurity 1 HCl
CAS:Formula:C20H18F7NO2·HClColor and Shape:White To Off-White SolidMolecular weight:437.36 36.46Tigecycline hydrate
CAS:Formula:C29H39N5O8·xH2OPurity:≥ 99.0% (anhydrous)Color and Shape:Almost white to yellow, orange or brown crystalline powderMolecular weight:585.65 (anhydrous)Etoricoxib Impurity 26
CAS:Formula:C18H16N2O2SColor and Shape:White To Off-White Semi-SolidMolecular weight:324.40Lorazepam Impurity 9 (Mixture of Lorazepam Impurity 6 and Lorazepam Impurity 7)
Formula:C18H14Cl2N2O3Molecular weight:377.22Brexpiprazole Impurity 12
CAS:Formula:C22H20N2O4Color and Shape:White To Off-White SolidMolecular weight:376.41Indirubin
CAS:Formula:C16H10N2O2Purity:≥ 97.0%Color and Shape:Red to purple powderMolecular weight:262.26Leuprorelin (Leuprolide) EP Impurity C Ditrifluoroacetate
CAS:Formula:C59H84N16O12·2C2HF3O2Color and Shape:White To Off-White SolidMolecular weight:1209.42 2*114.02Phenoxymethylpenicillin EP Impurity F
CAS:Formula:C15H20N2O4SColor and Shape:White To Off-White SolidMolecular weight:324.40Cabazitaxel Impurity 37
CAS:Formula:C31H40O10Color and Shape:White To Off-White SolidMolecular weight:572.65Caffeine Impurity 1 Ammonium Salt
CAS:Formula:C8H11N4O3·NH4Color and Shape:White To Off-White SolidMolecular weight:211.20 18.04Lornoxicam Impurity 13
Formula:C6H6ClNO4S2Color and Shape:White To Off-White SolidMolecular weight:255.69Albendazole EP Impurity H
CAS:Formula:C15H19N3O3SColor and Shape:White To Off-White SolidMolecular weight:321.40Furosemide Impurity 7 Sodium Salt
Formula:C17H15N2O4·NaColor and Shape:White To Off-White SolidMolecular weight:311.32 22.99Tiotropium Bromide EP Impurity A-d6
CAS:Formula:C10H2D6O3S2Color and Shape:Off-White SolidMolecular weight:246.33Glycopyrronium Bromide EP Impurity K
CAS:Formula:C13H16O2Color and Shape:Off-White SolidMolecular weight:204.27Bepotastine N-Oxide Impurity
Formula:C21H25ClN2O4Color and Shape:White To Off-White SolidMolecular weight:404.89Progesterone Impurity 18 (Progesterone 1-Dehydro-4P Impurity)
CAS:Formula:C22H30O2Color and Shape:White To Off-White SolidMolecular weight:326.48Tirofiban Impurity 49
CAS:Formula:C14H21NO5SColor and Shape:White To Off-White SolidMolecular weight:315.38Tirofiban Impurity 45 HCl
CAS:Formula:C10H13NO2·HClColor and Shape:White To Off-White SolidMolecular weight:179.22 36.46Oseltamivir Impurity 61
CAS:Formula:C16H26N4O4Color and Shape:White To Off-White SolidMolecular weight:338.41Metamizole EP Impurity C HCl
CAS:Formula:C12H15N3O·HClColor and Shape:Off-White SolidMolecular weight:217.27 36.46Cobicistat Impurity 2 TriHCl
CAS:Formula:C31H41N5O4S·3HClColor and Shape:White To Off-White SolidMolecular weight:579.77 3*36.46Mirtazapine EP Impurity E
CAS:Formula:C17H21N3Color and Shape:White To Off-White SolidMolecular weight:267.38Atazanavir Impurity 6 (4R,5S-Diasteroisomer of DIBOC)
CAS:Formula:C32H42N4O5Color and Shape:White To Off-White SolidMolecular weight:562.72Quinagolide Impurity 1 HCl (29-89)
Formula:C18H24Cl2N2O2·HClColor and Shape:White To Off-White SolidMolecular weight:371.31 36.46Methylprednisolone Impurity 10
CAS:Formula:C22H30O5Color and Shape:White To Off-White SolidMolecular weight:374.48Paclitaxel Side Chain Impurity
CAS:Formula:C18H19NO4Color and Shape:Off-White SolidMolecular weight:313.36Oxytetracycline dihydrate
CAS:Formula:C22H24N2O9·2H2OPurity:95.0 - 102.0 % (anhydrous basis)Color and Shape:Yellow crystalline powderMolecular weight:496.46Ranitidine EP Impurity A (Ranitidine USP Related Compound B)
CAS:Formula:C22H35N5O4S2Color and Shape:Pale Yellow SolidMolecular weight:497.67Pidotimod Impurity 34
Formula:C18H24N4O8S2Color and Shape:White To Off-White SolidMolecular weight:488.53Tetracaine EP Impurity C (Tetracaine USP Related Compound C)
CAS:Formula:C12H17NO2Color and Shape:White To Off-White SolidMolecular weight:207.27Flavoxate EP Impurity A-d5 (Flavoxate USP Related Compound A-d5)
CAS:Formula:C17H7D5O4Color and Shape:White To Off-White SolidMolecular weight:285.31Aciclovir (Acyclovir) EP Impurity P
CAS:Formula:C7H9N5O2Color and Shape:Pale Yellow SolidMolecular weight:195.18Fluralaner Impurity 2
CAS:Formula:C18H12Cl2F3NO3Color and Shape:White To Off-White SolidMolecular weight:418.19Dapagliflozin Impurity 32
CAS:Formula:C23H27ClO7Color and Shape:White To Off-White SolidMolecular weight:450.91Atorvastatin EP Impurity H-d5 (Atorvastatin USP Related Compound H-d5, Atorvastatin Lactone-d5)
CAS:Formula:C33H28D5FN2O4Color and Shape:White To Off-White SolidMolecular weight:545.67Liothyronine EP Impurity B
CAS:Formula:C9H9I2NO3Color and Shape:Off-White SolidMolecular weight:432.98Trimetazidine EP Impurity C
CAS:Formula:C10H12O4Color and Shape:White To Off-White SolidMolecular weight:196.20Octreotide Impurity 32 Trifluoroacetate
Formula:C57H80N10O11S2·C2HF3O2Color and Shape:White To Off-White SolidMolecular weight:1145.45 114.02Levocarnitine EP Impurity B
CAS:Formula:C10H16O4Color and Shape:White To Off-White SolidMolecular weight:200.23Loratadine EP Impurity C
CAS:Formula:C22H22Cl2N2O2Color and Shape:White To Off-White SolidMolecular weight:417.33Donepezil Dehydrodeoxy Impurity
CAS:Formula:C24H29NO2Color and Shape:White To Off-White SolidMolecular weight:363.50Olmesartan Impurity 21
CAS:Formula:C33H25ClN4Color and Shape:White To Off-White SolidMolecular weight:513.04Xylometazoline EP Impurity B
CAS:Formula:C13H19ClColor and Shape:Colourless OilMolecular weight:210.75Mirtazapine EP Impurity F (Mirtazapine USP Related Compound D, 10-Oxo Mirtazapine)
CAS:Formula:C17H17N3OColor and Shape:Yellow SolidMolecular weight:279.34Chlorhexidine EP Impurity B DiHCl
CAS:Formula:C16H26ClN9O·2HClColor and Shape:White To Off-White SolidMolecular weight:395.90 2*36.46Mirabegron Impurity 5
CAS:Formula:C10H10N4O3S2Color and Shape:White To Off-White SolidMolecular weight:298.34Amrinone
CAS:Formula:C10H9N3OPurity:98.0 - 102.0 % (anhydrous basis)Color and Shape:Pale yellow or yellow-tan crystalline powderMolecular weight:187.20Ramipril EP Impurity D (Ramipril USP Related Compound D, Ramipril Diketopiperazine)
CAS:Formula:C23H30N2O4Color and Shape:White To Off-White SolidMolecular weight:398.50rac-Amoxicillin EP Impurity H (rac-Amoxicillin USP Related Compound H)
CAS:Formula:C13H17NO4Color and Shape:White To Off-White SolidMolecular weight:251.28Rebamipide 2-Chloro Impurity
CAS:Formula:C19H15ClN2O4Color and Shape:White To Off-White SolidMolecular weight:370.79Oxybutynin Impurity 6 HCl (Mixture of Diastereomers)
Formula:C38H49NO6·HClMolecular weight:615.82 36.46Carbamazepine EP Impurity C (N-Carbamoyl Carbamazepine)
CAS:Formula:C16H13N3O2Color and Shape:White To Off-White SolidMolecular weight:279.30Fluticasone Propionate EP Impurity I
CAS:Formula:C48H58F4O10S3Color and Shape:White To Off-White SolidMolecular weight:967.16Brinzolamide Impurity 11
CAS:Formula:C10H14N2O5S3Color and Shape:White To Off-White SolidMolecular weight:338.41Fesoterodine Impurity 19
CAS:Formula:C30H43NO4Color and Shape:Pale Yellow LiquidMolecular weight:481.68Zopiclone Impurity 2
CAS:Formula:C11H5ClN4O2Color and Shape:White To Off-White SolidMolecular weight:260.64Phenylephrine Impurity 31 (Mixture of Diastereomers)
CAS:Formula:C13H17NO6Color and Shape:White To Off-White SolidMolecular weight:283.28Cefalexin (Cephalexin) EP Impurity E (Cefradine EP Impurity G, Cefadroxil EP Impurity H)
CAS:Formula:C13H18N2O4SColor and Shape:White To Off-White SolidMolecular weight:298.36Fexofenadine Impurity 4
Formula:C14H20O4Color and Shape:White To Off-White SolidMolecular weight:252.31Atorvastatin EP Impurity D1 (Atorvastatin USP Related Compound D)
CAS:Formula:C26H22FNO4Color and Shape:White To Off-White SolidMolecular weight:431.46Ref: 4Z-A-138
5mgTo inquire10mg1,092.00€20mg2,703.00€25mg1,942.00€30mg3,557.00€50mg3,034.00€100mgTo inquireRasagiline Impurity 3 HCl
CAS:Formula:C12H14ClN·HClColor and Shape:Off-White To Pale Yellow SolidMolecular weight:207.71 36.46Iohexol
CAS:Formula:C19H26I3N3O9Purity:98.0 - 102.0 % (anhydrous basis)Color and Shape:White to off-white powderMolecular weight:821.14Ezetimibe Impurity 76
CAS:Formula:C20H20FNO4Color and Shape:White To Off-White SolidMolecular weight:357.39rac-Hesperetin-13C-d3 (rac-Diosmin EP Impurity G-13C-d3)
CAS:Formula:C1513CH11D3O6Color and Shape:Pale Yellow SolidMolecular weight:306.29Pregabalin Impurity 94
CAS:Formula:C9H17NO3Color and Shape:White To Off-White SolidMolecular weight:187.24Spironolactone
CAS:Formula:C24H32O4SPurity:(HPLC) ≥ 97.0%Color and Shape:White to off-white powderMolecular weight:416.58Toltrazuril Impurity 1 HCl
CAS:Formula:C14H12F3NOS·HClColor and Shape:White To Off-White SolidMolecular weight:299.31 36.46Prednisolone Acetate EP Impurity C (Prednisolone Diacetate)
CAS:Formula:C25H32O7Color and Shape:White To Off-White SolidMolecular weight:444.52Bortezomib Impurity 1 (R,S-Isomer)
Formula:C57H69B3N12O9Color and Shape:White To Off-White SolidMolecular weight:1098.68Ibuprofen EP Impurity G (Mixture of cis and trans Isomers)
CAS:Formula:C26H32O4Color and Shape:White To Off-White SolidMolecular weight:408.54Floxuridine
CAS:Formula:C9H11FN2O5Purity:(HPLC) ≥ 98.0%Color and Shape:White to off-white powderMolecular weight:246.20Losartan EP Impurity M
CAS:Formula:C44H44Cl2N12OColor and Shape:White To Off-White SolidMolecular weight:827.82Riociguat Impurity 13 Lithium Salt
CAS:Formula:C19H14FN8O·LiColor and Shape:White To Off-White SolidMolecular weight:389.37 6.94Bortezomib Impurity 36
CAS:Formula:C14H13N3O3Color and Shape:White To Off-White SolidMolecular weight:271.28Promethazine EP Impurity B HCl (Promethazine USP Related Compound B, Isopromethazine HCl)
CAS:Formula:C17H20N2S·HClColor and Shape:Gray SolidMolecular weight:284.42 36.46Picosulfate Impurity 14
CAS:Formula:C11H9NOColor and Shape:White To Off-White SolidMolecular weight:171.20Azilsartan Impurity 1
CAS:Formula:C25H21N3O3Color and Shape:White To Off-White SolidMolecular weight:411.46Prucalopride Impurity 26
Formula:C18H26BrN3O3Color and Shape:White To Off-White SolidMolecular weight:412.33Orlistat Impurity 20 (Mixture of Diastereomers)
Formula:C29H53NO5Color and Shape:White To Off-White SolidMolecular weight:495.75Doxofylline Impurity 10
CAS:Formula:C11H14N4O4Color and Shape:White To Off-White SolidMolecular weight:266.26Montelukast Impurity 4
CAS:Formula:C28H24ClNO3Color and Shape:Pale Yellow SolidMolecular weight:457.95Deferasirox Impurity 21
CAS:Formula:C14H8ClNO2Color and Shape:White To Off-White SolidMolecular weight:257.67Levothyroxine Impurity 18
Formula:C25H19I6NO6Color and Shape:Pale Brown SolidMolecular weight:1190.85Fexofenadine Impurity 5
CAS:Formula:C32H39NO3Color and Shape:White To Off-White SolidMolecular weight:485.67Prilocaine EP Impurity B (Prilocaine USP Related Compound A (Free Form))
CAS:Formula:C7H9NMolecular weight:106.15
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