Description
5-Bromo-4-Chloro-3-Indolyl Phosphate AP Substrate – 1000 mL
5-Bromo-4-Chloro-3-Indolyl Phosphate (BCIP) AP Substrate is a high-performance chromogenic reagent designed for alkaline phosphatase (AP)-based detection systems. Commonly used in blotting, membrane staining, immunohistochemistry, and enzyme detection workflows, BCIP serves as a reliable substrate for visualizing alkaline phosphatase activity through the formation of an insoluble colored precipitate. This makes it especially valuable in applications where permanent, localized signal development is required.
At Michigan Diagnostics LLC, we manufacture premium-grade 5-Bromo-4-Chloro-3-Indolyl Phosphate AP Substrate for research laboratories, diagnostic developers, and industrial assay manufacturers requiring consistent and dependable alkaline phosphatase detection reagents. Each batch is manufactured under strict quality control protocols and supplied with a Certificate of Analysis (COA) to ensure reproducibility and lot-to-lot consistency.
What is BCIP AP Substrate?
BCIP is a chromogenic substrate used in conjunction with alkaline phosphatase enzymes. When hydrolyzed by alkaline phosphatase, BCIP undergoes enzymatic cleavage and oxidation to form a blue-purple insoluble precipitate at the site of enzyme activity. This localized precipitation allows for precise visualization of AP-labeled probes, antibodies, and biomolecules on membranes, tissues, and assay surfaces.
Because the reaction product precipitates directly at the detection site, BCIP is highly effective in applications requiring:
- Permanent staining
- Spatial localization of signal
- Membrane-based detection
- Microscopy-compatible visualization
Its visual contrast and stable endpoint signal make BCIP one of the most widely used AP substrates for qualitative and semi-quantitative detection workflows.
Key Product Features
- Volume: 1000 mL
- Detection Type: Chromogenic / Precipitating
- Compatible Enzyme: Alkaline Phosphatase (AP)
- Signal Output: Blue-purple precipitate
- Application Type: Membrane and surface staining
- Use Format: Ready for laboratory assay preparation/use
This formulation is optimized for strong, reproducible color development in alkaline phosphatase detection systems.
Applications in Western Blot and Membrane Detection
BCIP AP Substrate is commonly used in membrane-based detection systems where permanent precipitating signal development is desired.
Applications include:
- Western blot membrane staining
- Southern blot detection
- Northern blot detection
- Dot blot assays
- Protein and nucleic acid membrane assays
Its insoluble precipitate formation ensures signal remains localized and visible after washing, making it ideal for blotting applications.
Applications in Immunohistochemistry and Microscopy
BCIP is widely utilized in tissue staining and microscopy workflows due to its ability to deposit signal directly at the site of AP enzyme activity.
Applications include:
- Immunohistochemistry (IHC)
- Histological staining
- Tissue section visualization
- Microscopy-based AP detection
- Cellular localization studies
Because the precipitate remains fixed in place, BCIP enables excellent visualization under microscopy and imaging systems.
Applications in Diagnostic and Research Assays
Beyond blotting and imaging, BCIP AP Substrate is frequently used in research and diagnostic assay development.
Applications include:
- Biomarker detection assays
- Immunodiagnostic workflows
- Enzyme conjugate validation
- Assay development and optimization
- Research involving alkaline phosphatase reporter systems
Its reliability and straightforward visual output make it useful in both routine and developmental laboratory settings.
Advantages of BCIP AP Substrate
BCIP remains one of the most trusted AP substrates because of its practical performance advantages.
Benefits include:
- Permanent precipitating signal for long-term record retention
- Excellent localization of enzyme activity
- Strong visual contrast for easy interpretation
- Compatible with blotting and microscopy workflows
- Reliable performance in standard AP detection protocols
Compared to soluble chromogenic substrates, BCIP offers superior localization and permanence when signal retention is required.
Performance and Workflow Benefits
5-Bromo-4-Chloro-3-Indolyl Phosphate AP Substrate is especially valuable in workflows where endpoint visualization and signal permanence are critical. Since the reaction forms an insoluble precipitate, researchers can archive membranes, slides, and stained materials without rapid fading or signal diffusion.
This makes BCIP ideal for:
- Documentation and imaging workflows
- Long-term record retention
- Manual interpretation and review
- Educational and validation settings
Its predictable reaction kinetics and clear endpoint also simplify assay optimization and troubleshooting.
Why Choose Michigan Diagnostics
Choosing a reliable BCIP AP substrate supplier in the USA is essential for ensuring assay consistency and reproducibility.
Michigan Diagnostics offers:
- High-purity substrate formulations
- Strict quality control and batch testing
- COA included with every order
- Fast 2–3 day shipping from the USA
- Technical support for assay optimization
- Bulk and OEM manufacturing options
Our expertise in diagnostic reagent manufacturing ensures dependable performance for laboratories and manufacturers alike.
Packaging and Availability
This product is supplied in 1000 mL format, ideal for:
- Research laboratories
- Diagnostic manufacturers
- Academic institutions
- Production-scale assay workflows
Custom packaging and bulk quantities are available upon request.
Order 5-Bromo-4-Chloro-3-Indolyl Phosphate AP Substrate Today
If you are looking to buy BCIP AP substrate or 5-Bromo-4-Chloro-3-Indolyl Phosphate alkaline phosphatase substrate, Michigan Diagnostics provides high-quality solutions with fast shipping and expert technical support. Contact us today for pricing, specifications, or volume purchasing.



Reviews
There are no reviews yet.