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(10,375 products)
- Benzodiazepine Derivatives(333 products)
- Carbohydrates and glycoconjugates(5,012 products)
- Esters and Derivatives(42,045 products)
- Fatty Acids and Lypidic Derivatives(32,245 products)
- Flavonoids and Polyphenols(17,011 products)
- Free Radicals and Oxidant/Reducing Agents(213 products)
- Ketones and derivatives(2,394 products)
- Natural and semi-synthetic antibiotics(6,363 products)
- Nitriles and Cyano Derivatives(3,045 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,427 products)
- Organic Phosphates and Phosphonates(1,201 products)
- Organic Sulphonates and Sulphates(10,405 products)
- Organometallics(4,401 products)
- Others(6,278 products)
- Peptides and Proteins(3,127 products)
- Polymers and Derivatives(99 products)
- Purines and Pyrimidine Derivatives(8,901 products)
- Quinazoline and Quinoline Derivatives(65,624 products)
- Quinones and Derivatives(24,235 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(79,450 products)
- Steroids and Derivatives(4,962 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 56771 products of "APIs for research and impurities"
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Ref: 4Z-L-4241
Discontinued productRef: 4Z-P-7154
Discontinued productRef: 4Z-E-2067
Discontinued productRef: 4Z-L-44138
Discontinued productDiacerein EP Impurity E (4-Acetyl Rhein)
CAS:Formula:C17H10O7Color and Shape:Orange SolidMolecular weight:326.26Ref: 4Z-R-2810
Discontinued productRef: 4Z-T-109044
Discontinued productRef: 4Z-PC-155027
Discontinued productRef: 4Z-P-7155
Discontinued productRef: 4Z-P-0420
Discontinued productRef: 4Z-L-3223
Discontinued productRef: 4Z-V-051111
Discontinued productRef: 4Z-C-273007
Discontinued productRef: 4Z-P-206016
Discontinued productRef: 4Z-M-113015
Discontinued productRef: 4Z-B-2750
Discontinued productRef: 4Z-N-0512
Discontinued productRef: 4Z-B-065058
Discontinued productRef: 4Z-B-065076
Discontinued productRef: 4Z-T-153013
Discontinued productRef: 4Z-S-082062
Discontinued productRef: 4Z-C-163020
Discontinued productRef: 4Z-I-088029
Discontinued productRef: 4Z-L-102047
Discontinued productRef: 4Z-C-150042
Discontinued productRef: 4Z-I-061059
Discontinued productRef: 4Z-O-11139
Discontinued productRef: 4Z-I-124040
Discontinued productRef: 4Z-B-065167
Discontinued productRef: 4Z-T-1015
Discontinued productRef: 4Z-C-104012
Discontinued productRef: 4Z-V-043111
Discontinued productRef: 4Z-I-4017
Discontinued productRef: 4Z-G-2447
Discontinued productRef: 4Z-S-088018
Discontinued productRef: 4Z-M-7616
Discontinued productRef: 4Z-C-126025
Discontinued productRef: 4Z-C-106032
Discontinued productRef: 4Z-T-0336
Discontinued productRef: 4Z-B-1659
Discontinued productRef: 4Z-PM-127002
Discontinued productRef: 4Z-A-2654
Discontinued productRef: 4Z-C-115016
Discontinued productRef: 4Z-E-068011
Discontinued productRef: 4Z-A-4219
Discontinued productRef: 4Z-B-065127
Discontinued productRef: 4Z-R-3311
Discontinued productRef: 4Z-L-0365
Discontinued productRef: 4Z-D-3416
Discontinued productRef: 4Z-Z-039162
Discontinued productRef: 4Z-E-153009
Discontinued productRef: 4Z-T-3950
Discontinued productRef: 4Z-G-057007
Discontinued productRef: 4Z-A-144021
Discontinued productRef: 4Z-T-3948
Discontinued productThiocolchicoside EP Impurity H (10-Demethoxy Colchicoside)
Formula:C26H31NO10Color and Shape:Yellow SolidMolecular weight:517.53Ref: 4Z-C-1525
Discontinued productRef: 4Z-M-125012
Discontinued productRef: 4Z-B-096009
Discontinued productRef: 4Z-C-126010
Discontinued productDapagliflozin Impurity 109
CAS:Formula:C43H50Cl2O13Color and Shape:White To Off-White SolidMolecular weight:845.76Ref: 4Z-D-62119
Discontinued productRef: 4Z-T-02218
Discontinued productRef: 4Z-E-1022
Discontinued productRef: 4Z-I-069007
Discontinued productRef: 4Z-T-8860
Discontinued productRef: 4Z-D-7767
Discontinued productRef: 4Z-T-3911
Discontinued productRef: 4Z-F-3039
Discontinued productRef: 4Z-F-7125
Discontinued productRef: 4Z-N-070019
Discontinued productRef: 4Z-A-2323
Discontinued productRef: 4Z-T-10150
Discontinued productRef: 4Z-F-0524
Discontinued productRef: 4Z-C-163030
Discontinued productRef: 4Z-PD-122020
Discontinued productRef: 4Z-L-4236
Discontinued productRef: 4Z-T-298012
Discontinued productRef: 4Z-P-11133
Discontinued productRef: 4Z-P-188034
Discontinued productRef: 4Z-C-8523
Discontinued productRef: 4Z-C-107013
Discontinued productRef: 4Z-G-067059
Discontinued productRef: 4Z-G-1622
Discontinued productRef: 4Z-F-1941
Discontinued productRef: 4Z-V-1913
Discontinued productN-Acetyl-L-cysteine 100 µg/mL in Acetonitrile
CAS:Formula:C5H9NO3SColor and Shape:Single SolutionMolecular weight:163.19Ref: 4Z-L-3254
Discontinued productRef: 4Z-L-144002
Discontinued productRef: 4Z-P-0454
Discontinued productRef: 4Z-R-289
Discontinued productRef: 4Z-T-3330
Discontinued productRef: 4Z-P-0453
Discontinued productRef: 4Z-E-104013
Discontinued productRef: 4Z-L-3255
Discontinued productRef: 4Z-P-0262
Discontinued productRef: 4Z-Z-062005
Discontinued productRef: 4Z-H-042014
Discontinued productRef: 4Z-L-3258
Discontinued productRef: 4Z-A-1452
Discontinued productRef: 4Z-I-058004
Discontinued productRef: 4Z-PG-194006
Discontinued productRef: 4Z-L-3248
Discontinued productRef: 4Z-E-104012
Discontinued productRef: 4Z-L-3256
Discontinued productRef: 4Z-L-3216
Discontinued productRef: 4Z-PC-322007
Discontinued productRef: 4Z-L-3246
Discontinued productRef: 4Z-T-6425
Discontinued productRef: 4Z-B-192094
Discontinued productRef: 4Z-E-5866
Discontinued productRef: 4Z-P-178063
Discontinued productRef: 4Z-L-3247
Discontinued productRef: 4Z-F-084014
Discontinued productRef: 4Z-L-3257
Discontinued productRef: 4Z-O-103015
Discontinued productRef: 4Z-P-2855
Discontinued productRef: 4Z-C-429003
Discontinued productRef: 4Z-P-2853
Discontinued productN-Nitroso Methylphenidate EP Impurity A-d5 (Mixture of Diastereomers) (N-Nitroso Methylphenidate USP Related Compound A-d5 (Free Form), N-Nitroso Ritalinic Acid-d5)
Formula:C13H11D5N2O3Molecular weight:253.31Ref: 4Z-M-137032
Discontinued productRef: 4Z-R-080038
Discontinued productRef: 4Z-C-0344
Discontinued productRef: 4Z-L-3249
Discontinued productRef: 4Z-S-3520
Discontinued productRef: 4Z-P-0455
Discontinued productRef: 4Z-T-02197
Discontinued productRef: 4Z-P-7313
Discontinued productRef: 4Z-P-0253
Discontinued productRef: 4Z-C-451001
Discontinued productRef: 4Z-A-123005
Discontinued productRef: 4Z-PS-189063
Discontinued productRef: 4Z-L-3217
Discontinued productGemcitabine EP Impurity A (Cytosine, Lamivudine EP Impurity E)
CAS:Formula:C4H5N3OMolecular weight:111.10Ref: 4Z-G-2614
Discontinued productRef: 4Z-P-0252
Discontinued productRef: 4Z-C-404001
Discontinued productMethylphenidate EP Impurity A-d5 (Mixture of Diastereomers) (Methylphenidate USP Related Compound A-d5 (Free Form), Ritalinic Acid-d5)
Formula:C13H12D5NO2Molecular weight:224.31Ref: 4Z-M-137031
Discontinued productRef: 4Z-L-3218
Discontinued productRef: 4Z-T-02199
Discontinued productRef: 4Z-D-3253
Discontinued productSultamicillin EP Impurity C (Ampicillin, Piperacillin EP Impurity A)
CAS:Formula:C16H19N3O4SMolecular weight:349.41Ref: 4Z-S-081002
Discontinued productRef: 4Z-C-1825
Discontinued productRef: 4Z-L-3250
Discontinued productN-Nitroso Benzylpenicillin Potassium EP Impurity E (N-Nitroso Benzylpenicillin (Benzathine), Benzylpenicillin Sodium EP Impurity E, N-Nitroso Benzylpenicillin (Procaine) EP Impurity B) (Mixture of Diastereomers)
Formula:C16H19N3O6SMolecular weight:381.40Ref: 4Z-P-0463
Discontinued productRef: 4Z-L-3244
Discontinued productRef: 4Z-H-042013
Discontinued productRef: 4Z-T-02198
Discontinued productAflatoxin B1 8,9-Epoxide
CAS:Controlled ProductFormula:C17H12O7Purity:>80%Color and Shape:NeatMolecular weight:328.27Decitabine impurity 14
CAS:<p>Decitabine impurity 14 is an impurity of decitabine. It is a stable, natural product that has been synthesized for use as an analytical standard and pharmacopoeia reference material. Decitabine impurity 14 is a white crystalline powder with a melting point of about 152°C. It is soluble in water, ethanol and ether. The chemical name for this compound is 2-amino-4,6-dihydroxypyrimidine-5-carbonitrile hydrochloride.</p>Formula:C5H11NO3Purity:Min. 95%Molecular weight:133.15 g/molCetirizine N-Oxide
CAS:<p>Cetirizine metabolite</p>Formula:C21H25ClN2O4Purity:Min. 95%Color and Shape:PowderMolecular weight:404.89 g/molRef: 3D-IC158493
Discontinued productGuaifenesin EP impurity C
CAS:<p>This is a metabolite of guaifenesin, and it is an impurity in the EP guaifenesin. It can be custom synthesized for research and development purposes. The purity of this product is high, and it can be used as an analytical standard or a drug product.</p>Formula:C20H26O7Purity:Min. 95 Area-%Color and Shape:Colorless Clear LiquidMolecular weight:378.42 g/molRef: 3D-IG176324
Discontinued product15-O-Demethyl Tacrolimus
CAS:<p>Tacrolimus is a macrolide that is used as an immunosuppressive drug. It has been shown to bind to the FK-binding protein, which in turn inhibits calcineurin. This prevents the release of IL-2, TNF-α and other cytokines. The immunosuppressive effects of tacrolimus have been evaluated using analytical methods such as coefficients, affinity, and monitoring techniques such as immunoassays and agglutination. These techniques are used to evaluate the plasma concentration of tacrolimus. Tacrolimus also binds to proteins in the blood samples and can be detected by turbidimetric or electrochemiluminescence immunoassay reagents.</p>Formula:C43H67NO12Purity:Min. 95%Molecular weight:789.99 g/molBezafibrate 1-o-β-glucuronide
CAS:<p>Bezafibrate is a drug product that is used in the treatment of hyperlipidemia. It is an impurity standard for bezafibrate 1-o-β-glucuronide, which can be used as an analytical standard for HPLC analysis. Bezafibrate 1-o-β-glucuronide can also be used to evaluate the metabolism of bezafibrate through animal studies.</p>Formula:C25H28ClNO10Purity:Min. 95%Molecular weight:537.94 g/molRef: 3D-XCA15677
Discontinued product10-{3-[4-(2-Chloro-ethyl)-piperazin-1-yl]-propyl}-2-trifluoromethyl-10H-phenothiazine
CAS:<p>10-{3-[4-(2-Chloro-ethyl)-piperazin-1-yl]-propyl}-2-trifluoromethyl-10H-phenothiazine is a nonselective, competitive antagonist of glutamate and quinpirole. It has been shown to block the glutamate receptors in the brain and reduce dopamine release. 10-[3-[4-(2-Chloro-ethyl)-piperazin-1-yl]-propyl]-2-trifluoromethylphenothiazine has a high affinity for the ryanodine receptor, which is found in the sarcoplasmic reticulum of striatal neurons. This drug also binds to calmodulin with high affinity, which may account for its ability to inhibit covalent adducts of dopamine to proteins. 10-[3-[4-(2-Chloro-ethyl)-piperazin-1-yl</p>Formula:C22H26Cl2F3N3SPurity:Min. 95%Molecular weight:492.4 g/molRef: 3D-DAA89278
Discontinued product3',5'-Di-O-p-chlorobenzoyl-2-deoxy-5-azacytosine
CAS:<p>3',5'-Di-O-p-chlorobenzoyl-2-deoxy-5-azacytosine is a drug product that is an impurity in the synthesis of 5'-azacytosine. The chemical name for 3',5'-Di-O-p-chlorobenzoyl-2-deoxy-5-azacytosine is 3,3'-di(O,O'-dichlorobenzyl)-2,5'-dideoxycytidine. It has a molecular weight of 302.7 g/mol and a melting point of 130°C. This chemical compound has been shown to be metabolized by human liver microsomes to a number of metabolites, including 2-, 3-, and 4-(hydroxymethyl)uracil and 4-(aminomethyl)uracil. 3',5'-Di-O-p-chlorobenzoyl -2 deoxy</p>Formula:C22H18Cl2N4O6Purity:Min. 95%Molecular weight:505.31 g/molRef: 3D-ID74823
Discontinued product2-[3,5-Bis(2-hydroxyphenyl)-1H-1,2,4-triazol-1-yl]benzoic acid
CAS:<p>Please enquire for more information about 2-[3,5-Bis(2-hydroxyphenyl)-1H-1,2,4-triazol-1-yl]benzoic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C21H15N3O4Purity:Min. 95%Molecular weight:373.4 g/molRef: 3D-BIA53078
Discontinued productRosuvastatin EP Impurity C sodium
CAS:<p>Please enquire for more information about Rosuvastatin EP Impurity C sodium including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C22H26FN3O6S•NaPurity:Min. 95%Molecular weight:502.51 g/molRef: 3D-IR183844
Discontinued productAcrolein-d4
CAS:<p>Please enquire for more information about Acrolein-d4 including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C3H4OPurity:Min. 95%Molecular weight:60.09 g/molRef: 3D-IBA98405
Discontinued product2-(Hydroxymethyl)-4-methyl sunitinib
CAS:<p>Please enquire for more information about 2-(Hydroxymethyl)-4-methyl sunitinib including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C22H27FN4O3Purity:Min. 95%Molecular weight:414.5 g/molRef: 3D-CVD53390
Discontinued product5-Bromo-4-chloro-N-cyclopentylpyrimidin-2-amine
CAS:<p>5-Bromo-4-chloro-N-cyclopentylpyrimidin-2-amine is a chemical compound that is used in various industries. It is commonly used as an intermediate or starting material for the synthesis of other compounds. This compound may contain impurities such as sulfadiazine, glutamate, fatty acids, basic proteins, methanol, acetyltransferase, chemokines, chamomile extract, cellulose, biomass, industrial products, epidermal growth factors, xylose, and growth factors. Please note that this compound is not intended for human consumption and should be handled with care.</p>Formula:C9H11BrClN3Purity:Min. 95%Molecular weight:276.56 g/molRef: 3D-YXC40428
Discontinued product2-Desmethylene-2-chloromethyl ethacrynic acid
CAS:<p>Please enquire for more information about 2-Desmethylene-2-chloromethyl ethacrynic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C13H13Cl3O4Purity:Min. 95%Molecular weight:339.6 g/molRef: 3D-CBA92918
Discontinued productPirtenidine
CAS:<p>Pirtenidine is a potent and selective kinase inhibitor that has been shown to inhibit the activity of cyclin-dependent kinases. It has demonstrated promising results in preclinical studies as an anticancer agent, inducing apoptosis in cancer cells. Pirtenidine is an analog of protein kinase inhibitors, which have been used to treat various types of tumors. It has been found to be effective against human cancer cell lines and has shown significant tumor growth inhibition in animal models. Pirtenidine has also been reported to be a potent urine inhibitor of Chinese hamster ovary cells, making it a promising candidate for the treatment of urinary tract cancers.</p>Formula:C21H38N2Purity:Min. 95%Molecular weight:318.5 g/molRef: 3D-DEA92327
Discontinued productN-Desmethyl trimeprazine
CAS:<p>N-Desmethyl trimeprazine is a synthetic compound, which is an impurity of the drug product. It is not active and does not possess any biological activity. It is a metabolite of the parent drug, Trimeprazine. N-Desmethyl trimeprazine has been studied for its pharmacological properties and metabolism in the body, but no conclusive results have been found. The chemical structure and purity of N-Desmethyl trimeprazine are not listed in the USP or BP. This compound can be custom synthesized on request.</p>Formula:C17H20N2SPurity:Min. 95%Molecular weight:284.40 g/molRef: 3D-XAA73204
Discontinued productS(-)-BZM
CAS:<p>S(-)-BZM is a potent kinase inhibitor that has been shown to induce apoptosis in cancer cells. It is an analog of the natural product staurosporine and has been isolated from human urine. S(-)-BZM inhibits the activity of several kinases, including protein kinase C and cyclin-dependent kinases, which are involved in cell cycle regulation and tumor growth. This drug has been tested on various cancer cell lines, including leukemia, and has demonstrated significant antitumor activity. S(-)-BZM is a promising medicinal agent for the treatment of cancer and other diseases characterized by abnormal cell proliferation.</p>Formula:C15H22N2O3Purity:Min. 95%Molecular weight:278.35 g/molRef: 3D-JDA22604
Discontinued product4-[(3-Chlorophenyl)sulfonyl]benzenamine
CAS:<p>Please enquire for more information about 4-[(3-Chlorophenyl)sulfonyl]benzenamine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C12H10ClNO2SPurity:Min. 95%Molecular weight:267.73 g/molRef: 3D-QDA30926
Discontinued productFonofos
CAS:<p>Fonofos is a potent inhibitor that has been shown to induce apoptosis in Chinese hamster ovary cells. It is also known to inhibit chitin kinase, a protein that plays an important role in the biosynthesis of chitin, which is essential for the formation of cell walls in fungi and insects. Fonofos has medicinal properties and has been studied as a potential anticancer agent due to its ability to inhibit tumor growth. In vitro studies have shown that Fonofos can inhibit the growth of human cancer cells by inhibiting heparin-binding proteins. Additionally, it has been found to have inhibitory effects on several other enzymes involved in cancer development and progression. Although not approved for use in humans, Fonofos may hold promise as a therapeutic agent for the treatment of certain cancers.</p>Formula:C10H15OPS2Purity:Min. 95%Molecular weight:246.3 g/molRef: 3D-AAA94422
Discontinued product(S)-Phenylephrine hydrochloride
CAS:<p>(S)-Phenylephrine hydrochloride is a chiral sulfate salt of phenylephrine that is used as a bronchodilator. It has been shown to inhibit cell growth in the presence of sulfate and has been studied for its effects on the respiratory cycle. The compound was also investigated for possible use in treating liver cancer and showed promising results. Chromatograms of hepg2 cells, human liver cells, and liquid chromatography lysates revealed the presence of salbutamol, which is a metabolite of (S)-phenylephrine hydrochloride.</p>Formula:C9H14ClNO2Purity:Min. 95%Molecular weight:203.67 g/molDesethanol emedastine dihydrochloride
CAS:<p>Please enquire for more information about Desethanol emedastine dihydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Formula:C15H20N4Purity:Min. 95%Molecular weight:256.35 g/molRef: 3D-FFA26314
Discontinued productXanthoxin
CAS:<p>Xanthoxin is a medicinal compound with potent anticancer properties. It has been shown to induce apoptosis, or programmed cell death, in cancer cells. Xanthoxin has been tested in various cancer cell lines, including Chinese and human cells, and has demonstrated strong inhibitory effects on the tumor cycle. This compound works by inhibiting kinases and other proteins involved in cancer cell growth and proliferation. Xanthoxin is also known to be an inhibitor of certain urinary proteins that are associated with cancer progression. Overall, Xanthoxin shows great potential as a natural product for the development of novel anticancer therapies.</p>Formula:C15H22O3Purity:Min. 95%Molecular weight:250.33 g/molRef: 3D-IAA06607
Discontinued productD-Pemetrexed Hydrate
CAS:<p>Pemetrexed is an antifolate drug that is used to treat cancer. It is a prodrug of pemetrexed disodium, which is converted to pemetrexed in the body by esterases. Pemetrexed is metabolized to its active form, D-pemetrexed, which inhibits DNA synthesis and the growth of cells by inhibiting thymidylate synthase. D-Pemetrexed hydrate is a high purity, pharmacopoeia grade impurity standard for use in research and development or as a custom synthesis. It has been shown to inhibit the growth of certain types of cancer cells and can be used in combination with other treatments such as chemotherapy or radiation therapy.</p>Formula:C20H23N5O7Purity:Min. 95%Molecular weight:445.43 g/molRef: 3D-MMB37010
Discontinued productBenquinox
CAS:<p>Benquinox is a potent inhibitor of protein kinases that has shown promise in the treatment of cancer. It works by blocking the activity of certain kinases that are involved in cell growth and division, leading to apoptosis (programmed cell death) in cancer cells. Benquinox is an analog of donepezil, a drug used to treat Alzheimer's disease. Studies have shown that Benquinox inhibits tumor growth and induces apoptosis in human cancer cell lines. It has also been found to be effective against urinary tract tumors in Chinese patients. As an anticancer agent, Benquinox is being investigated for its potential use as a targeted therapy for various types of cancer. Its ability to inhibit kinases makes it a promising candidate for combination therapies with other kinase inhibitors.</p>Formula:C13H11N3O2Purity:Min. 95%Color and Shape:PowderMolecular weight:241.24 g/molRef: 3D-AAA49573
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