Merck
CN
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文件

T7883

Sigma-Aldrich

甲氧苄啶

≥98.5%

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别名:
2,4-二氨基-5-(3,4,5-三甲氧基苄基)嘧啶, NSC 106568
经验公式（希尔记法）:
C14H18N4O3
CAS号:
738-70-5
分子量:
290.32
Beilstein:
625127
EC 号:
212-006-2
MDL编号:
MFCD00036761
PubChem化学物质编号:
24278201
NACRES:
NA.85

质量水平

200

检测方案

≥98.5%

形式

powder

储存条件

(Keep container tightly closed in a dry and well-ventilated place. Keep in a dry place.)

颜色

white to light yellow

抗生素抗菌谱

Gram-negative bacteria
Gram-positive bacteria
mycobacteria

作用机制

DNA synthesis | interferes
enzyme | inhibits

储存温度

2-8°C

SMILES字符串

COc1cc(Cc2cnc(N)nc2N)cc(OC)c1OC

InChI

1S/C14H18N4O3/c1-19-10-5-8(6-11(20-2)12(10)21-3)4-9-7-17-14(16)18-13(9)15/h5-7H,4H2,1-3H3,(H4,15,16,17,18)

InChI key

IEDVJHCEMCRBQM-UHFFFAOYSA-N

基因信息

human ... DHFRP1(573971) , KCNH1(3756)
rat ... Dhfr(24312)

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相关类别

一般描述

化学结构：嘧啶

应用

甲氧苄啶是最主要的抗细菌剂。 它有二氢叶酸还原酶抑制活性和原核酶选择性。 它被用来治疗尿道感染，轻度急性前列腺炎，复发性膀胱炎，怀孕期间无症状菌尿和呼吸道感染。
主要作为抗细菌剂。 二氢叶酸还原酶抑制活性和原核酶选择性。

生化/生理作用

甲氧苄啶和磺胺甲恶唑结合，通过阻碍核苷酸合成，干扰细菌细胞叶酸细胞代谢。 甲氧苄啶和二氢叶酸还原酶结合，抑制二氢叶酸（DHF）和四氢叶酸（THF）还原。THF是胸腺嘧啶合成途径基本前体，干扰该途径，抑制细菌DNA合成。

包装

5G,25G,100G

其他说明

保持容器密闭，置于干燥通风处。置于干燥处。

象形图

Exclamation markHealth hazard
GHS07,GHS08

警示用语：

Warning

危险声明

H302 - H361d

危险分类

Acute Tox. 4 Oral - Repr. 2

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

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  5. Is Trimethoprim stable in solution?

    Triemethoprim in a solution of 52% N,N dimethylacetamide:48% propylene glycol at 50 mg/ml is stable when stored at 25° C. There is only a 10% degradation of trimethoprim under these conditions after 885 days.

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