APIs pour la recherche et les impuretés

Stability Hygroscopic Applications Clindamycin Pyrophosphate is an impurity of Clindamycin (C580000, HCl salt) which is a semi-synthetic antibiotic prepared from Lincomycin. References Birkenmeyer, R.D., et al.: J. Med. Chem., 13, 616 (1970), Oesterling, et al.: J. Pharm. Sci., 59, 63 (1970), Gray, J.E., et al.: Toxicol. Appl. Pharmacol., 21, 516 (1972), Brown, L.W., et al.: Anal. Profiles Drug Subs., 10, 75 (1981),

Compounds with other nitrogen function, nesoi

Stability Air Sensitive, Light Sensitive Applications Isotope labelled Phenserine is inhibitor of amyloid precursor protein (APP). Used in Alzheimer’s treatments. References Nordberg, A. et al.: J. Alz. DIsease., 47, 691 (2015); Reale, M. et al.: Curr. Alzheimer. Treatments., 11, 608 (2014);

N-Methylnitroacetamide is a pyridinium salt used as an additive in pharmaceutical preparations. It is also a drug substance that is used for oral dosage, and has been shown to be active in methylene chloride and organic solvents. This chemical has been found to have a number of impurities, including acidic compounds and organic solvents, which can cause it to degrade over time. The use of this compound requires validation and kinetic studies to ensure it meets the quality standards for its intended use.

Please enquire for more information about Solifenacin N-oxide including the price, delivery time and more detailed product information at the technical inquiry form on this page

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Ertapenem Ring Open Impurity is an impurity standard for research and development. It is a synthetic metabolite that is not present in the drug product. Ertapenem Ring Open Impurity is used as a standard to measure the purity of drugs, and it can be used as a reference material in pharmacopoeia and drug development. This impurity is also used in metabolism studies to determine the extent of conversion of ertapenem into its metabolites.

4,6-Dimethoxy-β-methyl-3-phenoxy ambrisentan is a synthetic drug with a high purity and pharmacopoeia. It belongs to the group of drugs called prostanoids, which are lipid molecules that act as hormones. 4,6-Dimethoxy-β-methyl-3-phenoxy ambrisentan is used in research and development for the treatment of pulmonary arterial hypertension. It is an impurity standard for HPLC analysis. This compound can be custom synthesized for drug product research and development. Metabolism studies have been conducted on this compound. The metabolites have been identified as 4,6-dimethoxy-(E)-2-[(E)-2-(4'-methylbenzylidene)ethenyl]-3-[(Z)-1-(4'-methylbenzylidene)ethenyl]ambrinol (M1), 4,6-dimethoxy-(E)-