Pharmaceutical Intermediates,Pharmaceutical Excipients,IVD Reagent Substrates

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.

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High purity 99.6% stable IVD substrate for γ-glutamyltransferase (GGT), L-γ-Glutamyl-3-carboxy-4-nitroanilide ammonium salt（Glupa-C) CAS 63699-78-5

L-γ-Glutamyl-3-carboxy-4-nitroanilide ammonium salt（Glupa-C) is white to yellowish crystalline powder used as a substrate for γ-glutamyltransferase (GGT) with a purity of ≥99.6 area% (HPLC). It ensures hi-precision and timely performance for IVD kits. Its supplied in 100g, 500g, 1kg, 5kg, 10kg, with customized packing available upon request.

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PC200

PC200 Liquid Preservative is one of the most widely used antimicrobials in the IVD industry, characterized by safety, environmental compatibility, and stability. It effectively suppresses bacterial and fungal growth by delivering broad-spectrum microbicidal activity, thereby helping extend the shelf life of IVD reagents.

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PC150

PC150 Liquid Preservative is one of the most widely used antimicrobials in the IVD industry, characterized by safety, environmental compatibility, and stability. It effectively suppresses bacterial and fungal growth by delivering broad-spectrum microbicidal activity, thereby helping extend the shelf life of IVD reagents.

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Protein-free Plate Sealer-PFPST

QYM/SURFTECH Protein-free Plate Sealer for stabilizing antigen, antibody-coated plates/ tube/ slide to provide ultra-long drying stability. At the same time, specific components can reduce non-specific reactions, improve the signal-to-noise ratio of detection, avoid high background and false positives, and make the test results more accurate.Item no: PFPSTPackage size: 100mL, 1L, customBuffer: PBSpH value: 7.0±0.4Protein: NoneShelf life: 3 yearsStorage: 2-8℃

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Ultra Plate Sealer-UPSTT

Ultra Plate Sealer for stabilizing antigen, antibody-coated plates/ tube/ slide to provide ultra-long drying stability. At the same time, specific components can reduce non-specific reactions, improve the signal-to-noise ratio of detection, avoid high background and false positives, and make the test results more accurate. Item no: UPSTT Package size: 100mL, 1L, custom Buffer: PBS pH value: 7.0±0.4 Protein: BSA Shelf life: 3 years Storage: 2-8℃

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Beads Stabilizer PBS-PF:BSPPT

QYM/SURFTECH Beads Stabilizer PBS-PF stabilizes the spatial conformation of proteins coated on microspheres, protects protein activity, and is used to dilute coated microspheres to working concentration for long-term storage.Item no: BSPPTPackage size: 100mL, 1L, customBuffer: PBSpH value: 7.4±0.2Protein: NoneShelf life: 3 yearsStorage: 2-8℃

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Beads Stabilizer TRIS-PF:BSTPT

Beads Stabilizer TRIS-PF can stabilize the spatial structure of the microsphere coated protein, protect the protein activity, and be used to dilute the coated microsphere to long-term preservation at working concentration.Item no: BSTPTPackage size: 100mL, 1L, customBuffer: TrispH value: 7.2±0.2Protein: NoneShelf life: 3 yearsStorage: 2-8℃

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Beads Stabilizer TRIS-BSTRT

QYM/SURFTECH Beads Stabilizer TRIS stabilizes the spatial conformation of proteins coated on microspheres, protects protein activity, and is used to dilute coated microspheres to working concentration for long-term storage.Item no: BSTRTPackage size: 100mL, 1L, customBuffer: TrispH value: 7.2±0.2Protein: NoneShelf life: 3 yearsStorage: 2-8℃

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Beads Stabilizer PBS-BSPBT

QYM/SURFTECH Beads Stabilizer PBS stabilizes the spatial conformation of proteins coated on microspheres, protects protein activity, and is used to dilute coated microspheres to working concentration for long-term storage. Item no: BSPBTPackage size: 100mL, 1L, customBuffer: PBSpH value: 7.4±0.2Protein: BSAShelf life: 3 yearsStorage: 2-8℃

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Protein-free Antibody Stabilizer TRIS-ABTFT

QYM/SURFTECH Protein-free Antibody Stabilizer TRIS is designed for the long-term stable storage of antigen and antibody working solutions, and can also be used as a diluent for calibrators, standards, or controls. This product contains no protein components, preventing interprotein crossreactivity. Item no: ABTFTPackage size: 100mL, 1L, customBuffer: TrispH value: 7.2±0.4Protein: NoneShelf life: 3 yearsStorage: 2-8℃

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Protein-free Antibody Stabilizer PBS-ABPFT

QYM/SURFTECH Protein-free Antibody Stabilizer PBS is designed for the long-term stable storage of antigen and antibody working solutions, and can also be used as a diluent for calibrators, standards, or controls. This product contains no protein components, preventing interprotein crossreactivity. Item no: ABPFTPackage size: 100mL, 1L, customBuffer: PBSpH value: 7.4±0.2Protein: NoneShelf life: 3 yearsStorage: 2-8℃

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