MUG question

Jonny P jprocter at lineone.net
Sat Jun 30 13:59:29 EST 2001


MUG is found as it's hydrate...if it loses too much water of crystallisation
the free 4MU content seems to increase as the compound becomes less 'stable'

try

www.glycosynth.co.uk  as a good source of enzyme substrates

jonny



Fun Science <biotech at idirect.com> wrote in message
news:N0L_6.108453$W02.1981144 at news1.rdc2.on.home.com...
> Hi,
>
> MUG sold by Sigma states on page 674.
> 4-methylumbelliferyl-beta-D-Glucuronide
> FW 352
>
> MUG is also sold as
> 4-methylumbelliferyl-beta-D-Glucuronide, dihydrate
> with a FW of 2 water molecular higher.
>
> For diagnostic purposes and assay of e.coli in
> water etc... what is the difference really?  Will this
> affect the experiment and assays?
>
> Do some companies sell molecules that are hydrate
> form and not indicate this in the certificate of analysis?
>
> Any comments.?
>
>





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