生物活性 体外研究 4-硝基苯-α-D-吡喃半乳糖苷 试剂级价格
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4-硝基苯-α-D-吡喃半乳糖苷

4-硝基苯-α-D-吡喃半乳糖苷,7493-95-0,结构式
4-硝基苯-α-D-吡喃半乳糖苷
  • CAS号:7493-95-0
  • 英文名:4-NITROPHENYL-ALPHA-D-GALACTOPYRANOSIDE
  • 中文名:4-硝基苯-α-D-吡喃半乳糖苷
  • CBNumber:CB7433232
  • 分子式:C12H15NO8
  • 分子量:301.25
  • MOL File:7493-95-0.mol
4-硝基苯-α-D-吡喃半乳糖苷化学性质
  • 熔点 :166-169 °C
  • 沸点 :582.2±50.0 °C(Predicted)
  • 密度 :1.599±0.06 g/cm3(Predicted)
  • 折射率 :239 ° (C=1, H2O)
  • 储存条件 :-20°C
  • 溶解度 :Methanol (Slightly), Water (Slightly)
  • 形态 :Solid
  • 酸度系数(pKa) :12.55±0.70(Predicted)
  • 颜色 :White to Off-White
  • BRN :92214
  • InChI :InChI=1/C12H15NO8/c14-5-8-9(15)10(16)11(17)12(21-8)20-7-3-1-6(2-4-7)13(18)19/h1-4,8-12,14-17H,5H2/t8-,9+,10+,11-,12+/s3
  • InChIKey :IFBHRQDFSNCLOZ-IIRVCBMXSA-N
  • SMILES :O(C1C=CC(N(=O)=O)=CC=1)[C@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O |&1:10,12,15,17,19,r|
  • LogP :-0.550 (est)
  • CAS 数据库 :7493-95-0(CAS DataBase Reference)
安全信息
  • 危险品标志 :Xi
  • 危险类别码 :36/37/38
  • 安全说明 :22-24/25-36-26
  • WGK Germany :3
  • F :3-10-21
  • 海关编码 :29400090
  • 存储类别 :11 - Combustible Solids

4-硝基苯-α-D-吡喃半乳糖苷性质、用途与生产工艺

  • 生物活性 4-Nitrophenyl α-D-galactopyranoside (PNP-alpha-D-Gal) 是一种 4-硝基苯基 (pNP) 糖吡喃糖苷的人工底物,用于检测 α-半乳糖苷酶活性。当 4-Nitrophenyl α-D-galactopyranoside 用作底物时,释放的 pNP 量会显着增加。
  • 体外研究

    Using 4-nitorophenol (pNP)-glycopyranosides as pseudosubstrates, the amount of liberated pNP from the 4-Nitrophenyl α-D-galactopyranoside is significantly higher than that from the other pNP-glycopyranosides at pH 4.0 whereas no activity was detected at pH 7.0.
    The digestion assays using 4-nitrophenyl (pNP) glycopyranosides as artificial substrates shows that yieldin liberated galactose residues from 4-Nitrophenyl α-D-galactopyranoside mainly at pH 4.0, i.e. the pH level where yield threshold is decreased at most.

  • 用途  α-D-半乳糖苷酶(α-D-Galactosidase)的底物。结合到大肠杆菌乳糖蛋白载体上。α-D-牛乳糖用培养基
4-硝基苯-α-D-吡喃半乳糖苷上下游产品信息
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4-硝基苯-α-D-吡喃半乳糖苷 试剂级价格
  • 更新日期:2026/03/03
  • 产品编号:L13376
  • 产品名称:4-硝基苯基-α-D-吡喃半乳糖苷, 98+% 4-Nitrophenyl-alpha-D-galactopyranoside, 98+%
  • CAS编号:7493-95-0
  • 包装:100mg
  • 价格:131元
  • 更新日期:2025/12/22
  • 产品编号:N0492
  • 产品名称:4-硝基苯基α-D-吡喃半乳糖苷[α-D-牛乳糖用培养基] 4-Nitrophenyl alpha-D-Galactopyranoside  [Substrate for alpha-D-Galactosidase]
  • CAS编号:7493-95-0
  • 包装:200MG
  • 价格:490元
4-硝基苯-α-D-吡喃半乳糖苷生产厂家
  • 公司名称:北京百灵威科技有限公司
  • 联系电话:18210857532; 18210857532
  • 电子邮件:jkinfo@jkchemical.com
  • 国家:中国
  • 产品数:96815
  • 优势度:76
4-硝基苯-α-D-吡喃半乳糖苷图谱信息
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