• 介绍：

   Trimethoprim 是一种抑菌抗生素 (antibiotic)，也是一种具有口服活性的二氢叶酸还原酶 (dihydrofolate reductase) 抑制剂。Trimethoprim 对多种革兰氏阳性 (Gram-positive) 和革兰氏阴性需氧细菌 (Gram-negative aerobic bacteria) 具有活性。Trimethoprim 可用于尿路感染，志贺氏菌病和肺孢子菌肺炎的研究。Trimethoprim 与锌联合使用可抑制甲型流感病毒 (Influenza A virus) 对鸡胚的感染。

• 熔点： 199-203°C

• 沸点： 432.41°C

• 外观： white to off-white（white powder）

• 溶解性： DMSO  :  50  mg/mL  (172.22  mM;  Need  ultrasonic)
  
  H2O  :  0.67  mg/mL  (2.31  mM;  Need  ultrasonic)

• 敏感性： 对光和湿度敏感

• 储存条件： 2-8℃

• 注意：部分产品我司仅能提供部分信息，我司不保证所提供信息的权威性，仅供客户参考交流研究之用。

• 7. [12.2] Tingting Chai et al."Multidimensional occurrence and diet risk of emerging contaminants in freshwater with urban agglomerations."JOURNAL OF HAZARDOUS MATERIALS.2024 Aug;474:134813

• 6. [IF=5.2] Zongjie Li et al."Health Risk Assessment of Antibiotic Pollutants in Large Yellow Croakers from Zhejiang Aquaculture Sites."Foods.2024 Jan;13(1):31

• 5. [IF=6.1] Junyi Li et al."Characterization, Mechanism and in vivo Validation of Helicobacter pylori Antagonism by Probiotics Screened from Infants' Feces and Oral Cavity."Food & Function.2023 Dec;:

• 4. [IF=6.498] Jingyun Shi et al."Groundwater antibiotics and microplastics in a drinking-water source area, northern China: Occurrence, spatial distribution, risk assessment, and correlation."Environ Res. 2022 Jul;210:112855

• 3. [IF=4.098] Xiaoying Yuan et al."Silicon nanoparticles-based ratiometric fluorescence platform: Real-time visual sensing to ciprofloxacin and Cu2+."Spectrochim Acta A. 2021 May;253:119599

• 2. [IF=5.548] Jing Hu et al."A highly sensitive visual sensor for tetracycline in food samples by a double-signal response fluorescent nanohybrid."Food Control. 2020 Feb;108:106832

• 1. 陈书鑫,王静,何士冲,刘铮铮,冯华军,穆朋倩.超高效液相色谱串联质谱法测定水体中17种抗生素[J].中国环境监测,2020,36(06):119-126.

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本计算器可帮助您计算出特定溶液中溶质的质量、溶液浓度和体积之间的关系，公式为：

质量 (mg) = 浓度 (mM) x 体积 (mL) x 分子摩尔量 (g/mol)

• pg ng μg mg g kg =
  fM pM nM μM mM M *
  nL μL mL L *