DL-Malic acid pH 7.0-Hampton DL-苹果酸 pH 7.0

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DL-Malic acid pH 7.0-Hampton DL-苹果酸 pH 7.0

DL-Malic acid pH 7.0-Hampton DL-苹果酸 pH 7.0

Products > Optimize Reagents > Optimize – Salts > DL-Malic acid pH 7.0

DL-Malic acid pH 7.0

Applications

  • Crystallization grade DL-Malic acid for formulating screens or for optimization

Features

  •  Sterile filtered solution
  • 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)

Description

DL-Malic acid

Synonyms: (±)-2-Hydroxysuccinic acid or DL-Hydroxybutanedioic acid
HO2CCH2CH(OH)CO2H
C4H6O5
Mr 134.09
CAS Number [6915-15-7]
EC Number 230-022-8
Beilstein Registry Number 1723539
RTECS ON7175000
MDL Number MFCD00064212
PubChem Substance ID 24901221
Purity ≥ 99.0%
Appearance (Solution): Clear, yellow to light brown

HR2-761 is titrated to pH 7.0 using NaOH
Measured Conductivity Range: 48.0 – 54.4 mS/cm at 25°C
Measured Refractive Index Range: 1.40572 – 1.40617 at 20°C

pKa1 3.4
pKa2 5.1

As ≤0.0003%
Cd ≤0.0001%
Hg ≤0.0001%
Pb ≤0.001%

DL-苹果酸 pH 7.0
应用
结晶级 DL-苹果酸，用于配制筛网或优化
特征
无菌过滤溶液
在 1+ 型超纯水中配制：25°C 时电阻率为 18.2 兆欧厘米，< 5 ppb 总有机碳，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
DL-苹果酸

同义词：(±)-2-羟基琥珀酸或DL-羟基丁二酸
HO2CCH2CH(OH)CO2H
C4H6O5
134.09 先生
CAS号 [6915-15-7]
EC 编号 230-022-8
贝尔斯坦注册号 1723539
RTCS ON7175000
MDL 编号 MFCD00064212
PubChem 物质 ID 24901221
纯度≥ 99.0%
外观（溶液）：透明，黄色至浅棕色

使用 NaOH 将 HR2-761 滴定至 pH 7.0
测量的电导率范围：48.0 – 54.4 mS/cm at 25°C
测得的折射率范围：1.40572 – 1.40617 at 20°C

pKa1 3.4
pKa2 5.1

作为≤0.0003%
镉≤0.0001%
汞≤0.0001%
铅≤0.001%

DL-Malic acid

DL-Malic acid pH 7.0-Hampton DL-苹果酸 pH 7.0

CAT NO

HR2-761

NAME

3.0 M DL-Malic acid pH 7.0

DESCRIPTION

200 mL

PRICE

$77.00

cart quote

Support Material(s)

DL-Malic acid pH 7.0-Hampton DL-苹果酸 pH 7.0 HR2-761 DL-Malic acid pH 7.0 SDS

Certificate Of Analysis

References

1. A comparison of salts for the crystallization of macromolecules. Alexander McPherson. Protein Science (2001), 10:418–422.

2. Novel homozygous p.E64D mutation in DJ1 in early onset Parkinson disease (PARK7). Olaf Riess et al. Human Mutation, Volume 24, Issue 4, Pages 321 – 329, 2004.