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HS Code |
155432 |
| Product Name | 5-Bromo-4-Chloro-3-Indole-Β-D-Cellobiose Glycoside |
| Abbreviation | X-Cellobioside |
| Cas Number | 130862-19-0 |
| Molecular Formula | C22H23BrClNO11 |
| Molecular Weight | 592.77 g/mol |
| Appearance | White to off-white powder |
| Solubility | Soluble in water |
| Storage Temperature | -20°C (protected from light) |
| Purity | ≥98% (HPLC) |
| Application | Chromogenic substrate for detection of β-cellobiosidase activity |
As an accredited 5-Bromo-4-Chloro-3-Indole-Β-D-Cellobiose Glycoside factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
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New tools keep driving science forward, and sometimes a single product moves the discipline one significant step ahead. 5-Bromo-4-Chloro-3-Indole-Β-D-Cellobiose Glycoside has become one of those tools in biochemical research. This compound acts as a powerful substrate for tracking enzymatic activity, especially for β-glucosidase, a crucial player in many biological and industrial processes. Laboratories serious about precise detection and clear assay results have turned to this compound for its reliable and visible performance. When I worked in an enzyme kinetics lab, the frustration of confusing results often boiled down to poor substrate choices. Seeing a blue precipitate after a reaction told us right away that something was happening instead of having to pore over ambiguous data, and this product made those days far more productive.
A good chromogenic substrate delivers more than a colorful reaction; it provides certainty and reproducibility. 5-Bromo-4-Chloro-3-Indole-Β-D-Cellobiose Glycoside stands out because its indole core, halogenation pattern, and glycosylation combine to give a clear, solid blue product right at the site of enzyme activity. This indole-based substrate resembles the structure of well-known alternatives like X-Gluc, but adding the cellobiose group gives it a different substrate profile, making it an ideal choice for detecting enzymes with an affinity for disaccharides instead of single glucose units. Many researchers miss subtle enzymatic differences because their substrate choices don’t reflect the enzyme’s true specificity. Using this compound sharpens that analytical edge.
This glycoside usually comes as a fine white to off-white powder, stable at standard temperatures if kept away from moisture and light. During years in academia, I found that products which couldn’t take the ambient heat of a bustling bench often went to waste long before their expiration date. This substrate, handled as instructed, avoids that pitfall—it rarely clumps or deteriorates, which saves effort and gives experiments a longer planning window.
Solubility is a big issue, especially for chromogenic substrates. One reason 5-Bromo-4-Chloro-3-Indole-Β-D-Cellobiose Glycoside has become especially popular in cell biology and microbial genetics is its ready dissolution in buffers like dimethylformamide or dimethyl sulfoxide. In water-based systems, it can sometimes be fussy, so most labs lean toward organic solvents for their stock solutions. No product can claim perfect performance every time, but solubility hiccups are rare here if the lab preps fresh stocks and avoids moisture contamination.
Enzyme studies often feel like a slog unless the tools take out the guesswork. Common uses for this substrate include plant genetics, microbial screening, and cell wall analysis. Some people use it for histochemistry to mark specific tissues or cell types. The visible blue color of its reaction product allows researchers to spot active enzyme sites under a microscope or even by naked eye on culture plates. In my own work, switching from colorless reagents to something that gave unmistakable feedback made troubleshooting far simpler. If I didn’t see blue, I knew for certain nothing had happened. That’s a refreshing change from colorless or poorly-contrasting products.
A major strength appears in applications where distinguishing between closely related enzymes is crucial. For example, cellulolytic bacteria and fungi often have several glycosidases, sometimes with overlapping specificities. The cellobiose group built into the molecule ensures that reported activity comes from enzymes that can actually process this more complex substrate, not just ordinary β-glucosidase reacting to any glucose donor. For environmental studies or biotechnology pipelines where differentiation matters, this level of specificity is essential.
Some lab workers treat all chromogenic substrates as interchangeable. I fell into that trap as a student, until a mentor walked me through the fine print. 5-Bromo-4-Chloro-3-Indole-Β-D-Cellobiose Glycoside’s greatest feature comes from its double glycosylation. Many standard substrates, like X-Gal or X-Gluc, only have a single sugar group. That one tweak changes everything about the enzyme recognition profile. If you only use single-sugar substrates, you never expose the cell’s full enzymatic toolbox. By contrast, this compound opens up new channels for detecting and studying β-glucosidases with broader or more specialized roles.
Another point where this substrate differs comes down to interpretability. Some chromogens make you squint or wait ages for visible color to develop. Lab results using this product turn clear in minutes, instead of waiting hours or days. Immediate feedback saves both money and time, a factor I appreciate every time I see those blue spots appear on an agar plate. Furthermore, background signals are rarely an issue, so lab teams can trust that blue means activity: no more confusing artifacts muddying the waters.
Every product features a laundry list of advantages on paper, but only a few benefit day-to-day science. 5-Bromo-4-Chloro-3-Indole-Β-D-Cellobiose Glycoside stands out as less prone to false positives. In some work on environmental samples, I’ve struggled using legacy substrates because background organisms or off-target enzymes chewed up the reagents and gave non-specific colors. With this compound’s unique structure, those days are mostly gone. Researchers can better trust their outcomes, knowing that positive signals ladder up to genuine enzyme action.
Another practical edge comes from the stable color of the final product. Many stains fade or diffuse over time, but this one’s blue signal stands pat, even after storage or repeated imaging. That reliability aids both teaching and publication, ensuring that a result from a morning experiment still looks clear come afternoon lab meeting. It’s a detail many overlook—until they try cataloging results in high-throughput settings and realize data from the beginning and end of the run look the same.
No product can claim to be all things for all people. One drawback I’ve experienced comes with substrate cost. Specialized glycosides often cost more than their plain indole or galactose cousins. Labs on limited budgets have to think carefully about scaling up for larger surveys. In grant-driven projects, though, the time and confidence saved often justifies the extra outlay. It’s a trade-off: buy something generic and spend more effort troubleshooting, or invest upfront for peace of mind and consistent data.
Another sticking point involves shelf life. While the powder form stores well in the dark at room temperature, dissolved stocks break down faster, especially if stored carelessly. Colleagues who skip basic precautions—like making only as much stock solution as needed—risk losing valuable batches. Good practices, learned the hard way, save both money and headaches. I recommend splitting shipments into smaller bottles and marking preparation dates clearly on every vial. That habit, more than any specification, keeps the reagent performing as it should.
Chemical quality, especially for specialty reagents, sits squarely on the shoulders of the supplier. Reproducibility comes from highly pure, consistent batches, and I’ve rejected more than one lot from unknown sources that failed spectroscopy or purity checks. Labs now routinely request documentation showing analytical proof—High-Performance Liquid Chromatography, Nuclear Magnetic Resonance, or Mass Spectrometry profiles—for the product they receive. Those reports matter. Without detailed traceability, experimental results go out the window.
From my own experience, direct supplier relationships—where questions actually get answered, and feedback brings responsive changes—make or break long projects. Certification and batch documents ensure each order matches the last. Some suppliers offer extra support for custom packaging or varying quantities, which is handy for scaling research up or down. If working at a large research center, bulk orders might bring down costs, while smaller labs can ask for fractional shipments to prevent waste.
Lab work never happens in a vacuum. Working with 5-Bromo-4-Chloro-3-Indole-Β-D-Cellobiose Glycoside doesn’t bring many unusual hazards, but all chemical reagents deserve some respect. Gloves, goggles, and careful pipetting keep exposure risks low. As with all fine powders, avoid inhaling dust and keep bench areas clean—no researcher wants to troubleshoot false stains due to cross-contamination. Working with high school or undergrad students, I always took extra precautions and explained them in plain terms. Clear policies prevent accidents and reinforce focus on science, not cleanup.
Waste handling matters, especially for colored reaction products that could obscure downstream analyses if not properly collected. Follow standard disposal protocols for halogenated organics. Many institutions set up dedicated waste collection for chromogenic compounds, and that infrastructure makes life easier for busy teaching labs and teams doing high-throughput screening.
Research into enzyme behavior keeps getting more nuanced. In genomics and synthetic biology, for example, people keep discovering new glycosidases from metagenomic libraries or engineered microbes. Substrates like 5-Bromo-4-Chloro-3-Indole-Β-D-Cellobiose Glycoside allow researchers to distinguish subtle differences in activity profiles, linking gene sequences with real biochemical properties. That connection helps make synthetic biology more predictive and less trial-and-error.
Developing even sharper chromogenic markers—maybe using longer-wavelength colors or built-in fluorescent signals—will likely follow the path carved by compounds like this one. As demand for better detection rises, so will the sophistication of the chemistry. I’ve enjoyed watching students encounter a clear blue reaction for the first time and seeing theoretical concepts connect with tangible results. Bridging that gap makes the study of life both exciting and productive.
A powerful teaching lab doesn’t need exotic instruments, but it does call for reagents that work every time. Using dependable chromogenic substrates can shorten the learning curve for new scientists. Students grasp the foundations of genetics, molecular biology, and enzymology more quickly when their hands-on experiments yield visible results. From agarose plates to histological slides, a single tube of this substrate delivers a semester’s worth of “aha!” moments.
I often recommend faculty prepare small stocks of chromogenic reagents and involve students in the setup, aliquoting, and tracking of these materials. Giving undergraduates direct experience with real research protocols fosters good habits and sets the foundation for future careers. Reliable substrates reduce frustration, build confidence, and leave more time for interpreting results rather than hunting down errors.
The science world is full of choices, and the reagent bench never stops evolving. 5-Bromo-4-Chloro-3-Indole-Β-D-Cellobiose Glycoside stands out because it connects innovative chemistry with practical, everyday benefits in the lab. Its specificity empowers researchers to pinpoint enzymatic activity with less uncertainty. The stable, easy-to-interpret signals bolster confidence from undergraduate teaching through to high-throughput industrial screens. It’s not the cheapest option, nor a solution to every challenge, but for those dedicated to clarity and reliability in their data, it sets an example for thoughtful product design. Each advance like this one helps science move from mere data to genuine insight.