4-Nitrophenyl phosphate disodium salt hexahydrate (pNPP) 5 mg, tablets alkaline phosphatase substrate, Sigma-Aldrich®

Supplier: Merck
Ratings: (No Reviews)

Total Ratings: 0
Avg. Ratings: 0.0 out of 5

Synonyms: 4-Nitrophenyl phosphate disodium salt hexahydratepNPP disodium salt hexahydratep-Nitrophenyl phosphate disodium salt hexahydratedi-Sodium 4-nitrophenyl phosphate hexahydratePhosphatase substratePhosphoric acid 4-nitrophenyl ester disodium salt hexahydrate4-Nitrophenyl phosphate disodium hexahydrate

M-Clarity™ quality level = MQ300

SIALS0942-100TABEA 135 GBP
SIALS0942-100TAB SIALS0942-200TAB SIALS0942-50TAB
4-Nitrophenyl phosphate disodium salt hexahydrate (pNPP) 5 mg, tablets alkaline phosphatase substrate, Sigma-Aldrich®
4-Nitrophenyl phosphate disodium salt hexahydrate (pNPP)

Phosphatase substrate has been used as a substrate in tartrate-resistant acid phosphatase (TRAP) assay and alkaline phosphatase (ALP). Substrate for the determination of acid and alkaline phosphatases.


Chromogenic substrate for use with alkaline and acid phosphatase ELISA procedures. Produces a soluble end product that is yellow in color and can be read spectrophotometrically at 405 nm. The pNPP reaction may be stopped with 3 N NaOH and read at 405 nm.

Formula: C₆H₄NNa₂O₆P·6H₂O
MW: 371.144 g/mol
Melting Pt: 300 °C
Storage Temperature: Freezer
MDL Number: MFCD00066288
CAS Number: 333338-18-4
EINECS: 224-246-5

Order Now

Learn more

About VWR

Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...

Learn more About VWR