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  • uM into ug/mL

    Hi everyone!!

    This is my first time in this forum, so hello again to everybody!

    I need the formula to convert microMolar into micrograms per mililiter. Example: how many ug/mL is 10 uM of A? (Molecular Weight of A= 300)

    thank you and have a nice day!

  • #2
    Re: uM into ug/mL

    Originally posted by OQ3
    Hi everyone!!

    This is my first time in this forum, so hello again to everybody!

    I need the formula to convert microMolar into micrograms per mililiter. Example: how many ug/mL is 10 uM of A? (Molecular Weight of A= 300)

    thank you and have a nice day!
    Hi there,
    Don't know if you still need this but the answer is:

    A molecular weight of 300 means a 1M solution is 300 grams in 1 Litre
    So
    1M = 300g in 1 Litre
    1mM = 300mg in 1 litre
    1uM= 300ug in 1 litre

    Multiply by ten to get a 10 uM solution ie 3000ug in 1 litre
    Divide by 1000 to get the amount in mls ie 3 ug in 1ml

    So 3ug/ml is the equvilent of 10uM for a molecular weight of 300

    Hope that makes sense!!

    Comment


    • #3
      Re: uM into ug/mL

      What Is The Drug Content For 0.14 Ug/ml

      Comment


      • #4
        Re: uM into ug/mL

        Originally posted by Unregistered
        What Is The Drug Content For 0.14 Ug/ml
        If 0.14g/mL (1.4 micrograms per millilitre) is the concentration of the drug of interest, then that is your content. What units do you need the answer in?

        Comment


        • #5
          Re: uM into ug/mL

          Originally posted by Unregistered View Post

          1M = 300g in 1 Litre
          1mM = 300mg in 1 litre
          1uM= 300ug in 1 litre

          Multiply by ten to get a 10 uM solution ie 3000ug in 1 litre
          Divide by 1000 to get the amount in mls ie 3 ug in 1ml
          this is not rite is it? i mean how can
          1M = 300g in 1 Litre
          1mM = 300mg in 1 litre
          1uM= 300ug in 1 litre

          all give you 300 as its value?

          also how can you convert bk from ug/ml to uM for example, 10ug/ml how much will it be in mM?

          Comment


          • #6
            Re: uM into ug/mL

            Originally posted by Unregistered View Post
            this is not rite is it? i mean how can
            1M = 300g in 1 Litre
            1mM = 300mg in 1 litre
            1uM= 300ug in 1 litre

            all give you 300 as its value?

            also how can you convert bk from ug/ml to uM for example, 10ug/ml how much will it be in mM?
            Note in the original post that the molecular weight (also the molar mass) was given as 300. More generally, 1 M means 1 mole per liter, and you need the molar mass to convert to grams per liter.

            Comment


            • #7
              Re: uM into ug/mL

              Originally posted by JohnS View Post
              Note in the original post that the molecular weight (also the molar mass) was given as 300. More generally, 1 M means 1 mole per liter, and you need the molar mass to convert to grams per liter.
              ah! i see now... wud it be right to assume tht molar mass is same as molecular weight? if so, then how will u convert 10ug/ml to mM if the molecular weight is 6121?

              Comment


              • #8
                Re: uM into ug/mL

                Originally posted by Unregistered View Post
                ah! i see now... wud it be right to assume tht molar mass is same as molecular weight? if so, then how will u convert 10ug/ml to mM if the molecular weight is 6121?
                Yes, the molar mass in grams per mole is numerically equal to the molecular weight in daltons, or unified atomic mass units (which are the same thing). For molar mass of 6121 g/mol

                10 g/mL is also 10 mg/L
                10 mg/L x 1 mol/6121 g = 1.63 mol/L = 1.63 M

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                • #9
                  Re: uM into ug/mL

                  Please help me convert 26.5 micromoles/ml of inorganic phosphate into microgram/ml

                  Comment


                  • #10
                    Re: uM into ug/mL

                    please help me convert 26.5 micromoles/ml of inorganic phosphate into microgram/ml

                    Comment


                    • #11
                      Re: uM into ug/mL

                      Originally posted by Ranjeeta Ningthoujam View Post
                      please help me convert 26.5 micromoles/ml of inorganic phosphate into microgram/ml
                      The phgophate ion has a molar mass of 94.97 g/mol, so 2517 g/mL
                      (this is only the phophate and does not include the mass of the balancing positive ion)

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                      • #12
                        Re: uM into ug/mL

                        Can someone please help me convert 50um/ml in ug/L?

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                        • #13
                          Re: mM and Micromolar solutions

                          how can i prepare 30 umolar/10 ml and 300 uM/10 ml solutions of a compounds having molecolar weight 482.?????

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                          • #14
                            Re: mM and Micromolar solutions

                            Originally posted by Unregistered View Post
                            how can i prepare 30 umolar/10 ml and 300 uM/10 ml solutions of a compounds having molecolar weight 482.?????
                            Is the compound available in dry form or some more concentrated solution?

                            Molar (M) is shorthand for moles per liter. 10 mL of 30 mol/L requires 0.3 mol, the other requires 3 mol.
                            0.3 mol x 482 g/mol = 144.6 g, the other 1446 g (1.446 mg).
                            In each case weigh it out and dilute to 10 mL final volume.

                            If it is a solution, you need to know its concentration and it becomes a dilution problem.
                            Last edited by JohnS; 11-27-2012, 02:42 AM.

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                            • #15
                              Re: mM and Micromolar solutions

                              Originally posted by JohnS View Post
                              Is the compound available in dry form or some more concentrated solution?

                              Molar (M) is shorthand for moles per liter. 10 mL of 30 mol/L requires 0.3 micro mol, the other requires 3 micro mol.
                              0.3 micro mol x 482 g/mol = 144.6 g, the other 1446 g (1.446 mg).
                              In each case weigh it out and dilute to 10 mL final volume.

                              If it is a solution, you need to know its concentration and it becomes a dilution problem.
                              JohnS, the "micro" symbol in your 0.3 mol is not showing up. It also wouldn't let me put it in inside the quote. Have put it in in text. Weird.

                              Comment

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