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# Conversion

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### #1 harry348

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Posted 11 January 2012 - 04:24 AM

Can we convert ug/ul to pmol/ml????
if so how can i convert 1.7ug/ul to 5pmol/ml

Could any one help me

Harry

### #2 Biouday

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Posted 11 January 2012 - 05:44 AM

yes you can. calculate how much pmol of your compound is in 1.7µg then you can convert it, use MW of your compound to know it.

µg and pmol is totally different Unit you cannot convert it directly like µg to pg.

### #3 harry348

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Posted 11 January 2012 - 07:19 AM

im not sure how to carry on with it....
the mol wt of the compound is 17708.7g/mol

### #4 bob1

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Posted 11 January 2012 - 02:11 PM

number of moles= mass/molar mass (n=m/Mr) and  concentration=number of moles/volume (c=n/v) are the two equations you need.  Remember to keep your units the same when you are doing your calculations - if working in ug, stay in ug, don't start working ing mg or g.