PNPP bis(Tris) salt
4-硝基苯磷酸双(三羟甲基氨基甲烷)盐
CAS 68189-42-4 CTH10087
4-Nitrophenyl phosphate bis(Tris) salt (pNPP) is a classic chromogenic substrate for alkaline phosphatase; hydrolysis releases yellow p-nitrophenol, read at 405 nm. It is widely used for ELISA detection, phosphatase activity assays and IVD reagent formulations.
Product information
- Chinese name
- 4-硝基苯磷酸双(三羟甲基氨基甲烷)盐
- English name
- PNPP bis(Tris) salt
- CAS
- 68189-42-4
- Cat. No.
- CTH10087
- Category
- Other Biochemical Reagents
- Formula
- C6H6NO6P·2C4H11NO3
- Molecular weight
- 461.36
- Appearance
- White to pale yellow crystalline powder
- Solubility
- Freely soluble in water
- Storage
- −20 °C, dry, protected from light
Typical reference values; the batch COA / SDS governs.
Pack sizes and catalogue numbers
CTH10087-1KG
Prices on request; lead time confirmed on the quotation.
FAQ
What is the CAS number of PNPP bis(Tris) salt?
The CAS number of PNPP bis(Tris) salt (4-硝基苯磷酸双(三羟甲基氨基甲烷)盐) is 68189-42-4; Catch-Chem catalogue number CTH10087.
What pack sizes and lead times are available for PNPP bis(Tris) salt?
PNPP bis(Tris) salt (Cat. No. CTH10087) comes in 1 kg; lead time: 1 week, confirmed on the quotation.
How should PNPP bis(Tris) salt be stored?
Recommended storage for PNPP bis(Tris) salt (CTH10087): −20 °C, dry, protected from light. The batch COA / SDS governs.
What is PNPP bis(Tris) salt used for?
PNPP bis(Tris) salt (CTH10087) is listed under Other Biochemical Reagents. Typical uses: ELISA detection, AP substrate, IVD formulation. For research or industrial non-medical use only.
Where can I buy PNPP bis(Tris) salt?
Request a quote for PNPP bis(Tris) salt from Catch-Chem (Yantai, China): tel +86-192-9602-6528, email Ethan.sheng@catchchem.com, quoting catalogue number CTH10087.
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For research or industrial use only. Not for human or animal diagnosis or treatment, and not for drug or food use. Grade, pack size and lead time follow the supplier batch COA / SDS. Figures on this site are general industry references, not a factory specification.