APIs for research and impurities
Subcategories of "APIs for research and impurities"
- Aminoacids and derivatives(12,334 products)
- Anthraquinones and derivatives(404 products)
- Benzimidazole and Imidazole Derivatives(10,446 products)
- Benzodiazepine Derivatives(334 products)
- Carbohydrates and glycoconjugates(5,047 products)
- Esters and Derivatives(42,250 products)
- Fatty Acids and Lypidic Derivatives(32,413 products)
- Flavonoids and Polyphenols(17,083 products)
- Free Radicals and Oxidant/Reducing Agents(213 products)
- Ketones and derivatives(2,401 products)
- Natural and semi-synthetic antibiotics(6,382 products)
- Nitriles and Cyano Derivatives(3,068 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,480 products)
- Organic Phosphates and Phosphonates(1,201 products)
- Organic Sulphonates and Sulphates(10,433 products)
- Organometallics(4,421 products)
- Others(6,305 products)
- Peptides and Proteins(3,148 products)
- Polymers and Derivatives(100 products)
- Purines and Pyrimidine Derivatives(8,948 products)
- Quinazoline and Quinoline Derivatives(66,025 products)
- Quinones and Derivatives(24,362 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(80,543 products)
- Steroids and Derivatives(4,954 products)
- Sulfonamides and Derivatives(2,595 products)
- Terpenoids and Derivatives(3,848 products)
- Thiazolidinediones and Thiopyrans(2,753 products)
- β-Adrenergic Compounds(231 products)
Found 57821 products of "APIs for research and impurities"
Ref: 4Z-D-3253
Discontinued productAflatoxin B1 8,9-Epoxide
CAS:Controlled ProductFormula:C17H12O7Purity:>80%Color and Shape:NeatMolecular weight:328.272,2'-Azobis-(2-methylbutyronitrile)
CAS:Applications 2,2'-AZOBIS-(2-METHYLBUTYRONITRILE) (cas# 13472-08-7) is a useful research chemical.
Dangerous Goods Info This compound is forbidden to ship by air under IATA regulations.Formula:C10H16N4Color and Shape:White to Off-White SolidMolecular weight:192.27Olsalazine sodium impurity D
CAS:Olsalazine sodium impurity D is a natural substance that is present as an impurity in the drug Olsalazine sodium. It is used as an analytical standard for Olsalazine sodium and its metabolites, which are involved in drug development. The purity of this substance can be customized by our research and development team. This product has CAS number 93964-55-7 and is available at a reasonable price.
Formula:C14H9ClN2O5Purity:Min. 95%Color and Shape:PowderMolecular weight:320.68 g/molRef: 3D-IO63797
Discontinued productTerbinafine dimer impurity dihydrochloride
CAS:Terbinafine is an antifungal agent that belongs to the family of medicines. It is used to treat fungal infections of the skin, nails and scalp. Terbinafine can also be used to treat other types of fungal infections, such as tinea corporis (ringworm), tinea cruris (jock itch), tinea pedis (athlete's foot) and tinea capitis (scalp ringworm). Terbinafine dimer impurity dihydrochloride is a by-product of terbinafine hydrochloride that has been shown to have industrial applications as a dispersant or lubricant in industries such as papermaking.
Formula:C36H40N2·2HClPurity:Min. 95%Color and Shape:White Off-White PowderMolecular weight:573.64 g/molRef: 3D-ID28037
Discontinued productNaltrexone impurity E
CAS:Controlled ProductNaltrexone impurity E is an analytical standard that is used to calibrate high-performance liquid chromatography (HPLC) instruments. This substance is a natural metabolite of naltrexone, which is an opioid receptor antagonist, and has the chemical name of 4-hydroxy-3-methoxy-N-(5α,6β)-dimethyl-2-[(1R)-1-(3-methyloxetan-3-yl)piperidin-4-yl] benzeneacetamide. Naltrexone impurity E is a pharmacopoeia grade compound that can be used in the synthesis of drug products. Custom synthesis and natural or synthetic sources are available.
Formula:C24H29NO4Purity:Min. 95%Color and Shape:PowderMolecular weight:395.49 g/mol2-Carboxybenzoyl amlodipine
CAS:2-Carboxybenzoyl amlodipine is a metabolite of the antihypertensive drug amlodipine. It is a white crystalline solid that is soluble in water. 2-Carboxybenzoyl amlodipine can be used as an impurity standard for HPLC analyses, and as an analytical standard for the determination of amlodipine in human plasma.
Formula:C28H29ClN2O8Purity:Min. 95%Color and Shape:White to off-white solid.Molecular weight:556.99 g/molRef: 3D-IC19763
Discontinued productCetirizine propanediol ester impurity
Cetirizine is a drug product that is metabolized to cetirizine propanediol ester. This impurity has been identified in the drug and is not expected to cause any adverse effects in humans. Cetirizine propanediol ester can be synthesized and purified through high-purity, analytical, and natural methods. The pharmacopoeia defines cetirizine propanediol ester as a metabolite of cetirizine. It can also be used as an impurity standard for HPLC analysis.
Formula:C24H31ClN2O4Purity:Min. 95%Molecular weight:446.97 g/molSitagliptin keto amide impurity
CAS:Sitagliptin Keto Amide Impurity is a research and development impurity standard that has been shown to be an impurity in the drug product Sitagliptin. It is a synthetic, analytical impurity that has been shown to be present in the drug product at 0.1% of the total weight. This impurity is soluble in water and ethanol, but insoluble in ether, chloroform, benzene, and dichloromethane. The CAS number for this compound is 764667-65-4. Sitagliptin Keto Amide Impurity can be used as an analytical reference material or as a pharmacopoeia reference standard for HPLC analysis of sitagliptin keto amide and its metabolites.
Formula:C16H12F6N4O2Purity:Min. 95%Color and Shape:Slightly Yellow PowderMolecular weight:406.28 g/molRotigotine Impurity 7
CAS:Rotigotine Impurity 7 is an impurity that has been identified in the synthesis of rotigotine. Rotigotine Impurity 7 is a synthetic compound with a CAS number of 1229620-82-9. It is intended for use as an analytical standard and as a component in the manufacture of rotigotine, which is indicated for the management of Parkinson's disease. This product has not been tested in animals or humans, and it should be handled with care.
Formula:C21H28ClNO2SPurity:Min. 95%Molecular weight:393.97 g/molErythromycin impurity M
Erythromycin impurity M is a natural, API impurity (impurity standard) that is a metabolite of erythromycin. It has been synthesized as a high purity HPLC standard to meet the requirements of pharmacopoeia and drug development. Erythromycin impurity M is an analytical reference material with CAS number 528-73-2.
Formula:C37H67NO13Purity:Min. 95%Molecular weight:733.93 g/molBis-[5-[(dimethylamino)methyl]furan-2-yl]methane
Bis-[5-[(dimethylamino)methyl]furan-2-yl]methane is a synthetic compound with the CAS number 16864-73-6. It is used in pharmacological studies and drug development. The purity of this material is greater than 99%.
Formula:C15H22N2O2Purity:Min. 95%Molecular weight:262.35 g/molO3-Desethyl apremilast
CAS:O3-Desethyl apremilast is an experimental drug product that belongs to the class of drug products. This drug product has been shown to be a natural, synthetic and analytical impurity in API. It is also an impurity standard for HPLC analysis. O3-Desethyl apremilast can be used in research and development, as well as niche applications in the pharmaceutical industry.
Formula:C20H20N2O7SPurity:Min. 95%Color and Shape:PowderMolecular weight:432.45 g/molN-Nitroso-N-methyl-4-aminobutyric acid
CAS:N-Nitroso-N-methyl-4-aminobutyric acid (NMBA) is a solid with a low melting point which has been identified as a potentially carcinogenic component of both tobacco and tobacco smoke. NMBA is also one of a number of nitrosamine impurities which have been found to be present in angiotensin II receptor blocker (ARB) drugs used to treat high blood pressure.
Formula:C5H10N2O3Purity:Min. 98 Area-%Color and Shape:Slightly Yellow PowderMolecular weight:146.14 g/molTerbutaline impurity D
CAS:Controlled ProductTerbutaline Impurity D is a synthetic drug with the CAS number 94109-61-2. This product has been developed as an impurity standard for Terbutaline, which is a drug product that has been approved by the United States Pharmacopoeia (USP). Terbutaline Impurity D can be used to study the metabolism of Terbutaline in animals. It is also used to develop new drugs by chemists and other scientists.
Formula:C19H23NO3Purity:Min. 95%Molecular weight:313.39 g/molrac N-Demethyl promethazine hydrochloride
CAS:Rac-N-Demethylpromethazine hydrochloride is a racemic mixture of promethazine. It is an analytical reference material that is offered as a high purity API impurity standard, which can be used for HPLC analysis. Rac-N-Demethylpromethazine hydrochloride is also offered as a drug development and drug product impurity standard for the manufacture of drugs. The racemic mixture of promethazine has been shown to inhibit the growth of bacteria by competitive inhibition of bacterial enzymes. Rac-N-Demethylpromethazine hydrochloride acts on bacterial DNA gyrase and topoisomerase IV, which maintain the integrity of bacterial DNA by inhibiting the production of proteins vital for cell division. Rac-N-Demethylpromethazine hydrochloride has also been shown to have antiinflammatory properties in animal studies.
Formula:C16H19ClN2SPurity:Min. 95%Color and Shape:PowderMolecular weight:306.86 g/mol4-(2-Methoxyethyl)phenol
CAS:4-(2-Methoxyethyl)phenol is a synthetic compound that is an antihypertensive agent. It is used to reduce high blood pressure, which may be due to its ability to block the action of angiotensin II, a potent vasoconstrictive hormone, by binding with its receptor. 4-(2-Methoxyethyl)phenol has been shown to be more potent than metoprolol succinate and less toxic than hydroxylated compounds such as propranolol in pharmacokinetic studies. In addition, 4-(2-Methoxyethyl)phenol has been found to have a low risk of congestive heart failure. The industrial process for this substance involves the reaction of hydrochloric acid with phenol in the presence of a catalyst such as aluminium chloride or zinc chloride.
Formula:C9H12O2Purity:Min. 95%Color and Shape:PowderMolecular weight:152.19 g/molRef: 3D-IM25300
Discontinued productRemdesivir impurity 13
CAS:Remdesivir impurity 13 is a metabolite of remdesivir, which is a drug product that is custom synthesized by us. This compound has been shown to be natural and can be found in the human body. Remdesivir impurity 13 has been studied extensively for its metabolic pathway and as a potential impurity standard for HPLC analysis.
Formula:C27H35N6O8PPurity:Min. 95%Molecular weight:602.58 g/molAtorvastatin impurity F
CAS:Atorvastatin impurity F is an impurity that can be found in atorvastatin. It is a white to off-white crystalline solid with a melting point of 142°C. It has a molecular weight of 273.5 and chemical formula of C14H13N3O2. This impurity can be found in atorvastatin as an API impurity, which may have an effect on the efficacy or toxicity of the drug product. Impurities are present in all pharmaceutical products and should be identified, characterized, and quantified for quality control purposes. Impurities are often unavoidable byproducts of the manufacturing process and can lead to potential safety concerns if they are not detected early on during drug development. The presence of impurities may also affect the pharmacological effects or therapeutic efficacy of the drug product.
Formula:C40H47FN3O8NaPurity:Min. 95%Color and Shape:PowderMolecular weight:739.8 g/molRef: 3D-FA165540
Discontinued product



