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药品详细

Phenazopyridine(那吡啶)

化学结构式图
中文名
那吡啶
英文名
Phenazopyridine
分子式
C11H11N5
化学名
3-[(E)-2-phenyldiazen-1-yl]pyridine-2,6-diamine
分子量
Average: 213.2385
Monoisotopic: 213.101445377
CAS号
94-78-0
ATC分类
G04B 未知
药物类型
small molecule
阶段
approved
商品名
同义名
基本介绍

A local anesthetic that has been used in urinary tract disorders. Its use is limited by problems with toxicity (primarily blood disorders) and potential carcinogenicity. [PubChem]

生产厂家
    封装厂家
    参考
    Synthesis Reference Not Available
    General Reference Not Available
    剂型
    规格
    化合物类型
    Type small molecule
    Classes
    • Pyridines and Derivatives
    • Benzene and Derivatives
    • Aminopyridines and Derivatives
    • Anilines
    Substructures
    • Pyridines and Derivatives
    • Aliphatic and Aryl Amines
    • Benzene and Derivatives
    • Aminopyridines and Derivatives
    • Azo compounds
    • Heterocyclic compounds
    • Aromatic compounds
    • Anilines
    适应症
    药理
    Indication For the symptomatic relief of pain, burning, urgency, frequency, and other discomforts arising from irritation of the lower urinary tract mucosa caused by infection, trauma, surgery, endoscopic procedures, or the passage of sounds or catheters.
    Pharmacodynamics Phenazopyridine is a local anesthetic that has been used in urinary tract disorders. Its use is limited by problems with toxicity (primarily blood disorders) and potential carcinogenicity.
    Mechanism of action Phenazopyridine's mechanism of action is not well known, and only basic information on its interaction with the body is available. It is known that the chemical has a direct topical analgesic effect on the mucosa lining of the urinary tract.
    Absorption Not Available
    Volume of distribution Not Available
    Protein binding Not Available
    Metabolism
    Likely hepatic but also in other tissues. One of the metabolites is acetaminophen.

    Important The metabolism module of DrugBank is currently in beta. Questions or suggestions? Please contact us.

    Substrate Enzymes Product
    Phenazopyridine
      acetaminophen Details
      Route of elimination 40% hepatic
      Half life 7.35 hours
      Clearance Not Available
      Toxicity Methemoglobinemia generally follows a massive, acute overdose.
      Affected organisms
      • Humans and other mammals
      Pathways Not Available
      理化性质
      Properties
      State solid
      Experimental Properties
      Property Value Source
      melting point 139 °C PhysProp
      Predicted Properties
      Property Value Source
      water solubility 2.02e-01 g/l ALOGPS
      logP 2.31 ALOGPS
      logP 2.69 ChemAxon
      logS -3 ALOGPS
      pKa (strongest acidic) 18.85 ChemAxon
      pKa (strongest basic) 6.86 ChemAxon
      physiological charge 0 ChemAxon
      hydrogen acceptor count 5 ChemAxon
      hydrogen donor count 2 ChemAxon
      polar surface area 89.65 ChemAxon
      rotatable bond count 2 ChemAxon
      refractivity 68.25 ChemAxon
      polarizability 22.66 ChemAxon
      药物相互作用
      食物相互作用
      • Take with food to reduce irritation.

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