PNPP Substrate Tablets, 105 Tablets - FAQs

For colorimetric alkaline phosphatase substrates, we offer the following products:

Novex AP Chromogenic Substrate (BCIP/ NBT) (Cat. No. WP20001)

1-Step NBT/BCIP Substrate Solution (Cat. No. 34042)

1-Step PNPP Substrates Solution (Cat. No. 37621)

NBT and BCIP are also available as standalone products:

NBT Substrate Powder (nitro-blue tetrazolium chloride) (Cat. No. 34035)

BCIP Substrate Powder (5-bromo-4-chloro-3'-indolylphosphate p-toluidine) (Cat. No. 34040)

For chemiluminescent alkaline substrates, we offer the following products:

Novex AP Chemiluminescent Substrate (CDP-Star) (Cat. No. WP20002)

NovaBright Phospha-Light EXP Assay Kit for SEAP (Secreted Placental Alkaline Phosphatase) Reporter Gene Detection (Cat. Nos. N10577, N10578)

Find additional tips, troubleshooting help, and resources within our Cell Analysis Support Center.

PNPP Substrate Tablets are covered under our general 1-year warranty and are guaranteed to be fully functional for 12 months from the date of shipment, if stored as recommended (-20 degrees C). Please see section 8.1 of our Terms & Conditions of Sale (https://www.thermofisher.com/content/dam/LifeTech/Documents/PDFs/Terms-and-Conditions-of-Sale.pdf).

Find additional tips, troubleshooting help, and resources within our Antibodies and Immunoassays Support Center.