MUP, free acid



Product Description

MUP, free acid (4-Methylumbelliferyl phosphate, free acid) is a fluorogenic phosphatase substrate that releases the blue fluorescent dye 4-methyl-7-hydroxycoumarin. MUP free acid and its salt (10010) are the most widely used fluorogenic substrates for alkaline phosphatase detection.

  • λExEm= 360/450 nm (end product)
  • White solid soluble in water and DMSO
  • Store desiccated at -20°C and protect from light
  • C10H9O6P
  • MW: 256

1. J Immuno Meth 150, 23 (1992).

2. Anal Chem 65, 1147 (1993).

3. Anal Biochem 205, 1 (1992).


MSDS (PDF): MSDS 10009


Shipment Method: Shipping and handling methods will be assessed and calculated at time of shipment based upon item(s) storage temperature conditions.

Expedited shipment may be requested at time of checkout.

Please note that products will be shipped at ambient temperature. This will not affect performance if the products are kept at the indicated temperature for long term storage. Please refer to the package insert for correct storage conditions.

More information about product handling and shelf life