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N7653 Sigma

p-Nitrophenyl Phosphate Liquid Substrate System

liquid

Synonym: 4-Nitrophenyl phosphate disodium salt solution, pNPP

Description

Frequently Asked Questions

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Application

Substrate for alkaline phosphatase that yields a soluble yellow end product that may be read at 405 nm. The reaction may be stopped with 3N NaOH and read at 405 nm. Recommended for ELISA (microwell) procedures, not recommended for membrane applications.

Caution

Stable at least one year when stored below 0 °C.

Physical form

Ready-to-use.

Price and Availability


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