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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%
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CAT NO
HR2-761
NAME
DESCRIPTION
200 mL
PRICE
$77.00
cart quote
Support Material(s)
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.
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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