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4-Methylamino antipyrine hydrochloride

CAS No. : 856307-27-2

MCE 站：4-Methylamino antipyrine hydrochloride

产品活性：4-Methylamino antipyrine hydrochloride 是一种 Metamizole 的活性代谢产物。Metamizole 是吡唑啉酮类非甾体抗炎药 (NSAID)，是一种有效的 COX 抑制剂。Metamizole 是一种非阿片类镇痛药，可用于疼痛和发烧。4-Methylamino antipyrine hydrochloride 具有止痛，解热和相对较弱的抗炎特性。

研究领域：Immunology/Inflammation  |  Metabolic Enzyme/Protease

作用靶点：COX  |  Drug Metabolite

In Vitro: Metamizole is a prodrug which, at room temperature and in an atmosphere with oxygen, is spontaneously, nonenzymatically converted to 4-Methylamino antipyrine. Subsequently, the N-methyl side chain of 4-Methylamino antipyrine is oxidized to yield 4-formylaminoantipyrine, which is further converted to 4-aminoantipyrine. Metamizole in aqueous solution and in the presence of oxygen consists of a group of several pyrazolone derivatives of which 4-Methylamino antipyrine is pharmacologically the most important.

In Vivo: The aim of this study is to assess the pharmacokinetics of its active metabolites 4-Methylamino antipyrine in male piglets after a single intramuscular injection of Metamizole. Eight healthy male piglets are administered Metamizole (100 mg/kg) intramuscularly. 4-Methylamino antipyrine plasma concentrations are quantitatively detectable from 0.25 to 48 h. The average maximum concentration of 4-Methylamino antipyrine is of 47.59 mg/mL. The average half-lives is 8.57 h for 4-Methylamino antipyrine.

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