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Ammonium sulfate
Applications
Crystallization grade Ammonium sulfate 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)
Methodologies
Try 3.4 M Ammonium sulfate as a cryo reagent for crystals grown in 2.0 M Ammonium sulfate (Misono et al 2003).
Description
Ammonium sulfate
Synonym: Ammonium sulphate
(NH4)2SO4
H8N2O4S
Mr 132.14
CAS Number [7783-20-2]
EC Number 231-984-1
Merck 14,555
RTECS BS4500000
MDL Number MFCD00003391
PubChem Substance ID 24846507
Purity ≥99.5%

Measured pH Range: 4.0 - 5.3 at 25°C
Measured Conductivity Range: 313.2 - 464.2 mS/cm at 25°C
Measured Refractive Index Range: 1.39106 - 1.39496 at 20°C

Al ≤0.0005%
As ≤0.00002%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.001%
Cd ≤0.0001%
Cl ≤0.0005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0002%
Fe ≤0.0002%
K ≤0.005%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.005%
Ni ≤0.0005%
NO3 ≤0.001%
Pb ≤0.0002%
PO4 ≤0.0005%
Sr ≤0.0005%
Zn ≤0.0001%
CAT NO NAME DESCRIPTION
HR2-541 Ammonium sulfate 3.5 M solution - 200 ml
Price Quantity
$83.00
References
1.Crystallization and preliminary X-ray diffraction analysis of the beta-chain of a T-cell antigen receptor. Boulot, G; Bentley, GA; Karjalainen, K; Mariuzza, RA. J Mol Biol 235, 795- 797, 1994.
2.Crystallization and preliminary X-ray analysis of the atrial natriuretic peptide (ANP) receptor extracellular domain complex with ANP: use of ammonium sulfate as the cryosalt. Kunio S. Misono et al. Acta Cryst. (2003). D59, 1831-1833.
3.Crystal structures of IRAK-4 kinase in complex with inhibitors: A serine/threonine kinase with tyrosine as a gatekeeper. Zhulun Wang et al. Structure 14, 1835-1844, December 2006.
SUPPORT MATERIALS
SDS for HR2-541
Certificates of Analysis
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