MUP, Na (4-Methylumbelliferyl phosphate, disodium salt) is the sodium salt of MUP. MUP sodium salt and MUP free acid (#10009) are the most widely used fluorogenic substrates for alkaline phosphatase detection.
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BCIP (5-Bromo-4-chloro-3-indoxyl phosphate, disodium salt) is the most widely used chromogenic phosphatase substrate, which forms a dark blue (λmax 615 nm) precipitate on enzymatic hydrolysis. It is often used with the oxidant NBT (nitro blue tetrazolium chloride catalog no. 10008), which facilitates the precipitation.
BCIP Pink/NBT Kit
BCIP Red/NBT Kit
Chromogenic β-Galactosidase Substrate Sampler
For researchers wishing to investigate the suitability of our various chromogenic β-galactosidase substrates, we offer this sampler kit, which contains 5 mg each of the following five different substrates: X-Gal (10011), Red-β-D-Gal (10012), Rose-β-D-Gal (10013), Purple-β-D-Gal (10014) and Green-β-D-Gal (10015).