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Products > Optimize Reagents > Optimize – Buffers > ADA Buffer
ADA Buffer
Applications
- Crystallization grade ADA buffer for formulating screens or for optimization
Features
- 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)
Description
ADA (Buffer)
Synonyms: N-(2-Acetamido)iminodiacetic acid;
N-(Carbamoylmethyl)iminodiacetic acid
C6H10N2O5
H2NCOCH2N(CH2CO2H)2
Mr 190.16
CAS Number [26239-55-4]
EC Number 247-530-0
Beilstein Registry Number 1787181
Merck 14,147
Purity ≥ 99.0%
MDL Number MFCD00008031
PubChem Substance ID 24845005
pKa = 6.6 at 25°Celsius
Useful pH range of ADA is 5.6 – 7.5
Titrate HR2-507 to the desired pH using NaOH
HR2-817 is titrated to pH 6.5 using NaOH
HR2-507 measured Conductivity range: 23.6 – 28.6 mS/cm at 25°C
HR2-507 measured Refractive Index range: 1.35009 – 1.35044 at 20°C
HR2-817 measured Conductivity range: 42.2 – 50.4 mS/cm at 25°C
HR2-817 measured Refractive Index range: 1.36787 – 1.36913 at 20°C
ADA buffer is used in the Hampton Research MembFac crystallization kit.
Total Impurities Insoluble matter, passes filter test
Al ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl ≤0.1%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.05%
Ni ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.005%
Sr ≤0.0005%
Zn ≤0.0005%
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CAT NO
HR2-507
NAME
DESCRIPTION
100 mL
PRICE
$123.00
cart quote
CAT NO
HR2-817
NAME
DESCRIPTION
100 mL
PRICE
$132.00
cart quote
Support Material(s)
HR2-507 ADA 0.5 M solution SDS
HR2-817 ADA 1.0 M pH 6.5 solution SDS Certificate Of Analysis
Related Item(S)
- Sodium hydroxide
- Individual StockOptions ADA Reagents
- StockOptions ADA Buffer Kit
References
1. Structures of the noncovalent complexes of human and bovine prothrombin fragment 2 with human PPACK-thrombin. Arni, RK; Padmanabhan, K; Padmanabhan, KP; Wu, TP; Tulinsky, A. Biochemistry 32, 4727- 4737, 1993.
2. Structures of Three Crystals Forms of the Sweet Protein Thaumatin. Ko, TP; Day, J; Greenwood, A; McPherson, A. Acta Crystallogr D 50, 813- 825, 1994.
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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