Methoxyamine HCl - CAS 593-56-6
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Not Intended for Therapeutic Use. For research use only.
Methoxyamine is an orally bioavailable small molecule inhibitor with potential adjuvant activity.
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Methoxyamine; TRC102; TRC 102; TRC-102
Current Developer:
TRACON Pharmaceuticals
1.Activity of methoxyamine-modified f2 RNA in initiation and elongation steps of protein synthesis.
Filipowicz W, Wodnar-Filipowicz A, Szafrański P. Acta Biochim Pol. 1976;23(2-3):243-59.
1. Messenger activity of phage f2 RNA modified with methoxyamine under non-denaturing conditions was studied in E. coli-free system. The incorporation of amino acids into phage polypeptides was decreased, and the synthesis of phage-specific proteins was diminished. The RNA replicase synthesis was more affected than synthesis of coat protein. The impaired messenger activity of the methoxyamine-modified f2 RNA was due to the blocking of elongation process by modified cytosines present in RNA chain. 2. Specificity of f2 RNA to stimulate ribosomal binding predominantly at the coat protein initiation site was not affected by methoxyamine-treatment, as demonstrated by unchanged binding of f[3H]Met-tRNA and [14C]alanyl-tRNA to ribosomes. 3. Unfolding of f2 RNA molecule on treatment with methoxyamine in the presence of guanidine-HCl resulted in a significant increase of RNA capacity to direct fMet-tRNA binding to ribosomes. Sucrose-density gradient profiles revealed the formation of polysome-like initiation complexes indicating that ribosomes were able to bind at many hitherto inaccessible initiation codons in RNA molecules.
2.Measurement of anti-cancer agent methoxyamine in plasma by tandem mass spectrometry with on-line sample extraction.
Yang S1, Liu L, Gerson SL, Xu Y. J Chromatogr B Analyt Technol Biomed Life Sci. 2003 Oct 5;795(2):295-307.
In this work, we present the development and validation of a tandem mass spectrometry method for the quantitative determination of methoxyamine (CH3ONH2), a potential new chemotherapeutic agent, in human and mouse plasma. Methoxyamine together with the internal standard (I.S.) methoxyl-D3-amine was directly derivatized in plasma sample with a novel chemical agent 4-(N,N-diethylamino)benzaldehyde. The product solution was injected into an on-line Oasis HLB extraction column (2.1 mm x 20 mm) for analyte extraction. After the elution of extractives, the derivatized analytes were monitored by the positive-electrospray-ionization mass spectrometry (ESI-MS-MS). The structures of derivatized analytes were elucidated by fragmentation. Quantitation of plasma methoxyamine was carried out by the multiple reaction monitoring (MRM) mode. This method had a linear calibration range of 1.00-1000 ng/ml with a correlation coefficient of 0.9999 for methoxyamine in both human and mouse plasma.
3.A new sensitive HPLC assay for methoxyamine and its analogs.
Wang E1, Struble E, Liu P, Cheung AP. J Pharm Biomed Anal. 2002 Oct 15;30(3):415-27.
Methoxyamine (MOA) and its analogs are polymerization regulators, building blocks and intermediates for agrichemicals and pharmaceuticals. MOA induces mutagenesis of nucleic acids and has been considered for anti-cancer and anti-virus therapy. It has been studied as a DNA repair modifier in anti-cancer therapy. HPLC procedures available in the literature for MOA are all based on electrochemical detection, which is not commonly available. This paper describes the development and validation of a HPLC assay with UV detection for MOA and its analogs. The analytes are first reacted with o-phthalaldehyde to form an oxime derivative before chromatography with an ODS column. Detection is achieved by UV at 254 nm. The chromatography resolves MOA from its decomposition products and analogs. The assay is reproducible (R.S.D. < 0.8%), linear (r(2) = 0.9997), and accurate (error < 1%). The method is sensitive and has a lower detection limit of 5 pmol (0.
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CAS 593-56-6 Methoxyamine HCl

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