
p-Nitrophenyl Phosphate
Product Code: CTD0000148
CAS: 4264-83-9
Purity: ≥98
Compound Family: Assays
Molecular Weight: 263.09
Molecular Formula: C₆H₆NO₆P·2Na
Appearance: White to pale yellow crystalline powder
Aspect: White to pale yellow crystalline powder
Storage: Store at 2–8°C, protect from moisture
Synonym: pNPP; Disodium p-nitrophenyl phosphate; DNPP
Uses: Chromogenic substrate for alkaline and acid phosphatase enzyme activity assays; widely used in ELISA detection systems; substrate for protein tyrosine phosphatase studies; colourimetric clinical diagnostic reagent
COA • HPLC • GMP Certified
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Research use only
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CTD000103
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