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T7883

Sigma-Aldrich

甲氧苄啶

≥98.5%

别名:

2,4-二氨基-5-(3,4,5-三甲氧基苄基)嘧啶, NSC 106568

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About This Item

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
UNSPSC代码:
51285203
PubChem化学物质编号:
24278201
NACRES:
NA.85

质量水平

200

方案

≥98.5%

表单

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

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。
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。

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

Health hazardExclamation mark
GHS08,GHS07

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)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000424096
0000424096
0000409199
0000363195
0000360822

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  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.

  6. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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