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P8203

Sigma-Aldrich

哌嗪-N,N'-二(2-乙磺酸)

BioXtra, ≥99% (titration)

同義詞:

1,4-哌嗪二乙磺酸, 哌嗪-1,4-双(2-乙磺酸), 哌嗪-N,N′-双(2-乙磺酸)

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About This Item

經驗公式(希爾表示法):
C8H18N2O6S2
CAS號碼:
分子量::
302.37
Beilstein:
817713
EC號碼:
MDL號碼:
分類程式碼代碼:
12161700
PubChem物質ID:

產品線

BioXtra

品質等級

化驗

≥99% (titration)

形狀

powder

雜質

Insoluble matter, passes filter test

燃燒殘留物(900 °C)

≤0.5% (as SO4)

損耗

≤0.5% loss on drying, 110°C

有用的pH值範圍

6.1-7.5

pKa (25 °C)

6.8

mp

>300 °C (lit.)

溶解度

1 M NaOH: 0.5 M at 20 °C, clear, colorless

負離子痕跡

chloride (Cl-): ≤0.2%

正離子痕跡

Al: ≤0.005%
Ba: ≤0.0005%
Bi: ≤0.0005%
Ca: ≤0.005%
Cd: ≤0.0005%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Li: ≤0.0005%
Mg: ≤0.0005%
Mn: ≤0.0005%
Mo: ≤0.0005%
Na: ≤0.1%
Ni: ≤0.0005%
Pb: ≤0.0005%
Sr: ≤0.0005%
Zn: ≤0.0005%

吸收

≤0.1 at 260 in 1 M NaOH at 0.5 M
≤0.1 at 280 in 1 M NaOH at 0.5 M

應用

diagnostic assay manufacturing

SMILES 字串

OS(=O)(=O)CCN1CCN(CC1)CCS(O)(=O)=O

InChI

1S/C8H18N2O6S2/c11-17(12,13)7-5-9-1-2-10(4-3-9)6-8-18(14,15)16/h1-8H2,(H,11,12,13)(H,14,15,16)

InChI 密鑰

IHPYMWDTONKSCO-UHFFFAOYSA-N

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一般說明

PIPES是乙磺酸缓冲盐系列之一,由Good等人首先开发 以满足某些标准:中值pKa,最大水溶性和在所有其他溶剂中的最小溶解度,最小盐效应,pKa随温度的变化最小,化学和酶学稳定,在可见光或紫外光谱范围的最小吸收,易于合成。由于它在37 °C的pKa接近生理pH,PIPES还可用于细胞培养工作。

應用

使用PIPES用于分离琼脂糖凝胶中的乙醛酸化RNA、核酸酶S1的RNA作图以及核糖核酸酶保护检测的实验方法已被报道。PIPES已被用作戊二醛固定组织样品的缓冲液。,
PIPES已被用于蛋白结晶。 PIPES在tubulin
α和β亚基在免疫吸附凝胶上解析后进行重构的应用已被描述。PIPES已被推荐用于半胱天冬酶3、6、7和8体外研究的缓冲液中。
一项已发表的研究表明了PIPES在蛋白质分析等应用中可作为非金属离子络合缓冲液。PIPES在细胞培养中已被用于如在大肠杆菌中对热稳定突变膜蛋白进行工程化改造等应用。

品質

已在BioXtra PIPES上进行了痕量元素分析;分析证书提供了特定批次的结果。BioXtra PIPES适用于需要严格控制元素含量的应用。

聯結

Sigma-Aldrich公司提供生物性能认证的细胞培养用PIPES(产品编号 P1851) 以及其他几种不同的盐类,以为缓冲液制备提供便利。

準備報告

缓冲液制备可通过向PIPES游离酸中加入碱溶液,滴定到适当的pH值,或采用等摩尔的钠盐溶液和二钠盐溶液混合滴定到适当的pH值。

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儲存類別代碼

13 - Non Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


分析證明 (COA)

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條款

Cell staining can be divided into four steps: cell preparation, fixation, application of antibody, and evaluation.

TE Buffer; Elution Buffer; 10x Ligation Buffer; 0.5 M PIPES Buffer; Inoue Transformation Buffer

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