产品名称
HEPES,游离酸,分子生物学级, A zwitterionice N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C.
grade
Molecular Biology
Quality Segment
description
Merck USA index - 14, 4654
assay
≥99% (alkalimetric)
form
solid
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
color
white
useful pH range
6.8-8.2
pKa (25 °C)
7.5
solubility
water: 400 mg/mL, aqueous base: soluble
cation traces
heavy metals: ≤0.0005%
foreign activity
DNase, RNase, and protease, none detected
shipped in
ambient
storage temp.
15-25°C
SMILES string
OCCN1CCN(CC1)CCS(O)(=O)=O
InChI
1S/C8H18N2O4S/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14/h11H,1-8H2,(H,12,13,14)
InChI key
JKMHFZQWWAIEOD-UHFFFAOYSA-N
General description
两性离子N-取代的氨基磺酸缓冲液。在pH值为6.8-8.2的范围内有用。在 25°C 下的 pKa 为7.48。
Application
- Fluorescent labeling of the root cap cells with the bioactive NBD-S chemical probe based on the cellulose biosynthesis inhibition herbicides: 这项创新研究介绍了如何用分子生物学级 HEPES 配制用于荧光标记根冠细胞的生物活性探针。本研究使用纤维素生物合成抑制除草剂作为模型系统,为植物生物学提供了宝贵的见解,有助于理解植物细胞壁的结构和功能。HEPES 有助于在实验过程中维持生理 pH 值,确保所用化学探针的稳定性和有效性 (Tamogami S et al., 2021)。
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
毒性:标准处理(A)
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存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable