>
> thanks so far for sharing your experience with Butanediol. But is it
> important to use a specific enantiomer ? Are you all only using 2R3R-
> Butanediol which is quite expensive ?
Sigma Cat. # 18970
2,3-Butanediol puriss., mixture of racemic and meso forms, ≥99.0% (GC) (Fluka)
works well and freezes clear.
And it's cheap!
We've used it recently to collect 1.6 A resolution data from a crystal with 2000+ residues in the asymmetric unit.
Petr
|