7-Hydroxymethotrexate(Synonyms: 7-羟基甲氨蝶呤)

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7-Hydroxymethotrexate (Synonyms: 7-羟基甲氨蝶呤)

7-Hydroxymethotrexate 是 Methotrexate (MTX; HY-14519) 的主要代谢产物。Methotrexate 是一种抗代谢和抗叶酸剂,可以抑制二氢叶酸还原酶,从而防止叶酸转化为四氢叶酸,并抑制 DNA 合成。

7-Hydroxymethotrexate(Synonyms: 7-羟基甲氨蝶呤)

7-Hydroxymethotrexate Chemical Structure

CAS No. : 5939-37-7

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生物活性

7-Hydroxymethotrexate is a major metabolite of Methotrexate (MTX; HY-14519). Methotrexate, an antimetabolite and antifolate agent, inhibits the enzyme dihydrofolate reductase, thereby preventing the conversion of folic acid into tetrahydrofolate, and inhibiting DNA synthesis[1][2].

体外研究
(In Vitro)

7-Hydroxymethotrexate (7-OHMTX) has the affinity of DHFR markedly lower (>100-fold) than for Methotrexate (MTX) [1].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

体内研究
(In Vivo)

7-Hydroxymethotrexate (4 mg/kg; IV) has a terminal half-life of 97.2 min and a total clearance value of 9.6 mL/min•mg[1].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Male Wistar rats (270-440 g)[1]
Dosage: 4 mg/kg (Pharmacokinetic Analysis)
Administration: IV
Result: Had a terminal half-life of 97.2 min and a total clearance value of 9.6 mL/min•mg.

分子量

470.44

Formula

C20H22N8O6

CAS 号

5939-37-7

中文名称

7-羟基甲氨蝶呤

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.

参考文献
  • [1]. L Fahrig, et al. Pharmacokinetics of methotrexate (MTX) and 7-hydroxymethotrexate (7-OH-MTX) in rats and evidence for the metabolism of MTX to 7-OH-MTX. Cancer Chemother Pharmacol. 1989;23(3):156-60.

    [2]. Ping Guo, et al. Determination of methotrexate and its major metabolite 7-hydroxymethotrexate in mouse plasma and brain tissue by liquid chromatography-tandem mass spectrometry. J Pharm Biomed Anal. 2007 Apr 11;43(5):1789-95.

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