

High-quality stable IVD substrate for alkaline phosphatase (ALP), 4-Nitrophenyl Phosphate (p-NPP) 4-Nitrophenol ≤0.07 % CAS 4264-83-9
4-Nitrophenyl Phosphate (p-NPP) is White to yellowish crystalline powder acts as a substrate for alkaline phosphatase (ALP) with Water (K. Fischer): 25%-31% and 4-Nitrophenol ≤0.07%. It is designed for in vitro quantitative measurement of alkaline phosphatase activity in human serum or plasma by medical institutions, supporting auxiliary diagnostic purposes. It ensures hi-precision and timely performance for IVD kits. Its supplied in 100g, 500g, 1kg, 5kg, 10kg, with customized packing available upon request.
Brand :
QYM,SURFTECHItem No :
QC6013Order(MOQ) :
1 kgPayment :
T/TProduct Origin :
ChinaShipping Port :
Hefei or other portsHigh-Quality 4-Nitrophenyl Phosphate (p-NPP)
Product Specifications
| Product Name | 4-Nitrophenyl Phosphate (p-NPP) |
| CAS No. | 4264-83-9 |
| Formula |
C6 H4 NO6 PNa2 ×6 H2 O |
| Molecular Weight | 371.1 |
| Appearance | White to yellowish crystalline powder |
| pH value | 8-10 |
| Water (K. Fischer) |
25%-31% |
| 4-Nitrophenol |
≤0.07 % |
| Na |
11.4%-13.4% |
| Pi |
≤0.3 % |
| Reactions rates(AP) |
95%-105% |
| Application: |
p-NPP acts as a substrate for alkaline phosphatase (ALP). It is designed for in vitro quantitative measurement of alkaline phosphatase activity in human serum or plasma by medical institutions, supporting auxiliary diagnostic purposes. |
| Package Size | 100g, 500g, 1kg, 5kg, 10kg |
| Storage/Shipping |
Store at +2 to +8°C (refrigerated) to maintain specifications for 24 months. Keep protected from light. |
| Shelf Life | 2 years from delivery date |
Product Advantages
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| Product Image | Structural diagram |
Exceptional Purity and Quality Control
This product guarantees a high level of Water (K. Fischer): 25%-31% and 4-Nitrophenol ≤0.07% or greater, ensuring consistent and reliable performance in critical applications. Strict control over impurities such as 4-Nitrophenol ≤0.07%, prevents potential side reactions and contamination.
Superior Performance for IVD reagents Manufacturing
As a high-purity IVD reagent substrate, it offers excellent stability and accurate properties. Its specific is designed to meet the stringent demands of IVD reagents production. The consistent quality directly contributes to enhanced product yield and long-term reliability of the IVD kit components.
Reliability and Convenience in Supply
The product is known for its stable performance and comes with a guaranteed shelf life of two years from the delivery date, Store at +2 to +8°C (refrigerated) to maintain specifications for 24 months. Keep protected from light. It is packaged in 100g, 500g, 1kg, 5kg, 10kg , with custom packaging options available to suit specific production needs.
Application Scenarios

High purity and stable substrate for IVD kits
This compound is less impurities and stability.
With water (K. Fischer): 25%-31% and 4-Nitrophenol ≤0.07%,our substrate feature ultra-high stability for biochemical and immunoassay platforms.
They ensure timely and accurate IVD results
Product Certificate
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