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4-Methylamino antipyrine hydrochloride
本产品不向个人销售,仅用作科学研究,不用于任何人体实验及非科研性质的动物实验。
4-Methylamino antipyrine hydrochloride图片
CAS NO:856307-27-2
包装与价格:
包装价格(元)
25mg电议
50mg电议
100mg电议

产品介绍
4-Methylaminoantipyrinehydrochloride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-Methylaminoantipyrinehydrochloride具有止痛,解热和相对较弱的抗炎特性。
Cas No.856307-27-2
别名安乃近杂质C
Canonical SMILESO=C1N(C2=CC=CC=C2)N(C)C(C)=C1NC.[H]Cl
分子式C12H16ClN3O
分子量253.73
储存条件Store at -20℃
General tipsFor obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping ConditionEvaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request
产品描述

4-Methylamino antipyrine hydrochloride is an active metabolite of Metamizole. Metamizole is a pyrazolone non-steroidal anti-inflammatory drug (NSAID) and inhibits COX. Metamizole is an nonopioid analgesic drug and can be used for pain and fever[1][2][3]. 4-Methylamino antipyrine hydrochloride has analgesic, antipyretic, and relatively weak antiinflammatory properties[2].

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[2].

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[1].

[1]. Burmańczuk A, et al. Pharmacokinetic investigations of the marker active metabolites 4-methylamino-antipyrine and 4-amino-antipyrine after intramuscular injection of metamizole in healthy piglets. J Vet Pharmacol Ther. 2016 Dec;39(6):616-620. [2]. Campos C1, et al. Regulation of cyclooxygenase activity by metamizol. Eur J Pharmacol. 1999 Aug 13;378(3):339-47. [3]. Ariza A, et al. Pyrazolones metabolites are relevant for identifying selective anaphylaxis to metamizole. Sci Rep. 2016 Mar 31;6:23845.