日本同仁化学Hampton蛋白结晶试剂盒HEPES sodium Buffer- DOJINDO

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Products > Optimize Reagents > Optimize – Buffers > HEPES sodium Buffer

HEPES sodium Buffer

应用

  • Crystallization grade HEPES sodium buffer for formulating screens or for optimization
  • 用于配制筛选或优化的结晶级 HEPES 钠缓冲液

特征

  • Sterile filtered
  • Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
  • 无菌过滤
    在 1+ 型超纯水中配制:25°C 时电阻率为 18.2 兆欧厘米,总有机碳 < 5 ppb,无细菌(<1 细菌 (CFU/ml)),无热原(<0.03 内毒素 (EU/ml)) , 无 RNase (< 0.01 ng/mL) 和无 DNase (< 4 pg/µL)

描述HEPES sodium

Synonyms: HEPES sodium salt, or 4-(2-hydroxyethyl)piperazine-1-ethanesulfonic acid sodium salt, or N-(2-hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid) sodium salt
C8H17N2NaO4S
Mr 260.29
CAS [75277-39-3]
EC Number 278-169-7
MDL Number MFCD00036463
PubChem Substance ID 24895780
pKa 7.5 at 25°C
Useful pH Range of HEPES sodium: 6.6 – 8.2

别名:HEPES钠盐,或4-(2-羟乙基)哌嗪-1-乙磺酸钠盐,或N-(2-羟乙基)哌嗪-N’-(2-乙磺酸)钠盐
C8H17N2NaO4S
260.29 先生
CAS [75277-39-3]
欧盟编号 278-169-7
MDL 编号 MFCD00036463
PubChem 物质 ID 24895780
pKa 7.5 在 25°C
HEPES钠的有用pH范围:6.6 – 8.2

HR2-733 is titrated to pH 7.5 using HCl
HR2-733 measured Conductivity range: 41.7 – 43.4 mS/cm at 25°C
HR2-733 measured Refractive Index range: 1.37577 – 1.37766 at 20°C

HR2-577 is the free base of HEPES sodium and is to be titrated to the desired pH using HCl
HR2-577 measured pH Range: 10.2 – 12.1 at 25°C
HR2-577 measured Conductivity range: 25.9 – 27.2 mS/cm at 25°C
HR2-577 measured Refractive Index range: 1.37097 – 1.37298 at 20°C

HR2-931-01 – 1.0 M HEPES sodium pH 6.8 is a Custom Shop reagent and is used to reproduce and optimize Crystallization Reagents for use with the Silver Bullets kit.

使用 HCl 将 HR2-733 滴定至 pH 7.5
HR2-733 测量的电导率范围:25°C 时 41.7 – 43.4 mS/cm
HR2-733 测量的折射率范围:20°C 时为 1.37577 – 1.37766

HR2-577 是 HEPES 钠的游离碱,使用 HCl 滴定至所需的 pH 值
HR2-577 测量的 pH 范围:25°C 时为 10.2 – 12.1
HR2-577 测量的电导率范围:25.9 – 27.2 mS/cm 在 25°C
HR2-577 测量的折射率范围:20°C 时为 1.37097 – 1.37298

HR2-931-01 – 1.0 M HEPES 钠 pH 6.8 是 Custom Shop 试剂,用于复制和优化与 Silver Bullets 试剂盒配合使用的结晶试剂。

Hampton蛋白结晶试剂盒HEPES sodium Buffer

CAT NO

HR2-577

NAME

1.0 M HEPES sodium

DESCRIPTION

100 mL

PRICE

$133.00

CAT NO

HR2-733

NAME

1.0 M HEPES sodium pH 7.5

DESCRIPTION

100 mL

PRICE

$133.00

相关项目

  • Hydrochloric acid
  • StockOptions Sodium HEPES Buffer Kit
  • Individual StockOptions Sodium HEPES Reagents
  • 盐酸
    StockOptions HEPES 钠缓冲液套件
    个别股票期权 HEPES 钠试剂

参考

1. Crystallization and preliminary X-ray characterization of GM2-activator protein. C. S. Wright and S.-C. Li. Acta Cryst. (1997). D53, 211-212.

1. GM2 激活蛋白的结晶和初步 X 射线表征。 C. S. 赖特和 S.-C。 李。 晶体学报。 (1997)。 D53,211-212。