Products > Custom Shop Crystallization Reagents > StockOptions Imidazole > Individual StockOptions Imidazole Reagents
HR2-995-**
** = Refers to the reagent number in the kit.
For example, reagent number 1 = HR2-995-01
Imidazole
Synonyms: 1,3-Diaza-2,4-cyclopentadiene and Glyoxaline.
C3H4N2
Mr 68.08
CAS Number [288-32-4]
EC No 2060192
Beilstein Registry 103853
pKa = 7.0
The useful pH range of an Imidazole can be 6.2-7.8
Titrated using HCl
Al <0.0005%
As <0.00001%
Ba <0.0005%
Bi <0.0005%
Ca <0.001%
Cd <0.0005%
Cl <0.005%
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 <0.005%
Ni <0.0005%
Pb <0.0005%
SO4 <0.005%
Sr <0.0005%
Zn <0.0005%
1. Structure of apo acyl carrier protein and a proposal to engineer protein crystallization through metal ions. X. Qiu and C. A. Janson. Acta Cryst. (2004). D60, 1545-1554 [ doi:10.1107/S0907444904015422 ]
2. Protein crystallization by surface entropy reduction: optimization of the SER strategy. D. R. Cooper, T. Boczek, K. Grelewska, M. Pinkowska, M. Sikorska, M. Zawadzki and Z. Derewenda. Acta Cryst. (2007). D63, 636-645 [ doi:10.1107/S0907444907010931 ]