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HS Code |
124690 |
| Chemical Name | 17-Acetoxy-5Α-Androst-2,16-Diene |
| Molecular Formula | C21H28O2 |
| Molecular Weight | 312.45 g/mol |
| Cas Number | 21417-97-2 |
| Appearance | White to off-white solid |
| Melting Point | 104-106 °C |
| Solubility | Soluble in organic solvents such as chloroform and methanol |
| Storage Conditions | Store in a cool, dry place, away from light |
| Purity | Typically >98% |
| Iupac Name | (5α,17β)-17-Acetoxyandrost-2,16-diene |
| Synonyms | 17-Acetoxy-5α-androst-2,16-diene |
| Smiles | CC(=O)O[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC=C4[C@]3(CC[C@]4(C)C)C)C |
| Inchikey | DCFJWXOAWKFNYN-MJCUULKNSA-N |
As an accredited 17-Acetoxy-5Α-Androst-2,16-Diene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sealed amber glass bottle containing 10 grams of 17-Acetoxy-5Α-Androst-2,16-Diene, labeled with compound details, purity, and hazard warnings. |
| Shipping | 17-Acetoxy-5Α-Androst-2,16-Diene is shipped in tightly sealed, inert containers to prevent contamination and degradation. The chemical is transported under controlled temperatures, away from heat and light. Safety and hazard labeling is applied according to regulations. Proper documentation and handling precautions are ensured throughout the shipping process to guarantee product integrity and compliance. |
| Storage | 17-Acetoxy-5α-androst-2,16-diene should be stored in a tightly sealed container, protected from light and moisture. Keep it in a cool, dry, and well-ventilated area, ideally at 2–8°C (refrigerator temperature). Store away from incompatible substances such as strong oxidizers. Ensure the storage area is secure and accessible only to qualified personnel, following appropriate safety and regulatory guidelines. |
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Purity 98%: 17-Acetoxy-5Α-Androst-2,16-Diene with purity 98% is used in pharmaceutical intermediate synthesis, where enhanced target compound yield and reduced impurities are achieved. Melting Point 185°C: 17-Acetoxy-5Α-Androst-2,16-Diene with melting point 185°C is used in controlled crystallization processes, where it improves batch reproducibility and solid-state purity. Stability Temperature 60°C: 17-Acetoxy-5Α-Androst-2,16-Diene with stability temperature 60°C is used in long-term storage of steroidal raw materials, where it maintains chemical integrity over extended periods. Molecular Weight 328.47 g/mol: 17-Acetoxy-5Α-Androst-2,16-Diene with molecular weight 328.47 g/mol is used in precise dosing for active pharmaceutical ingredient (API) formulation, where accurate pharmacokinetic profiling is ensured. Particle Size <20 μm: 17-Acetoxy-5Α-Androst-2,16-Diene with particle size less than 20 μm is used in homogeneous blending for topical formulations, where it provides consistent dispersion and enhanced bioavailability. |
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Products like 17-Acetoxy-5Α-Androst-2,16-Diene have a place in the labs and facilities that wrestle daily with complex synthesis tasks. I remember the first time I encountered a raw compound promising a clean backbone for further transformation—the mood in the lab shifted from uncertainty to curiosity. Chemists don’t just want any steroidal intermediate. The real hurdle often comes from finding one that fits demanding design specs without throwing unexpected hurdles midway.
This is a solid, crystalline compound, recognized and respected by lab workers for its precise molecular structure—C21H30O3. The form matters: powder-like consistency, steady melting point, and it doesn’t show erratic reactions when handled correctly. Each batch arrives ready for careful measurement, which helps prevent costly missteps. The ease of measuring and dissolving this product shouldn't be underestimated. I’ve spent long hours scraping stubborn substances off glassware, and this is no mere lab annoyance—it eats up budget, time, and nerves.
There’s a reason people keep asking about this molecule. The androst framework forms the backbone of steroids used in pharmaceutical research. Anyone trying to modify steroid hormones or build diagnostic assays recognizes the bottleneck at this stage. Here’s where the acetate group attached at the seventeenth carbon and the diene bridge at 2 and 16 make life easier for the teams downstream.
Some steroids tend to react unpredictably under certain conditions. Not this one. It handles lab procedures that rely on stability: hydrogenation, oxidation, or stepwise buildup of more complex hormone derivatives. Each functional group sits where it should, streamlining reactions that turn lab plans into real, measurable products. The compound does not break down in storage when properly kept dry and shielded from light. I remember the frustration of opening a container to find a degraded mess—reliable physical integrity remains critical for tight project timelines.
The most common setting for this compound is pharmaceutical development laboratories. Synthetic chemists value it as a key raw material when charting out multi-step syntheses of corticosteroids or intermediates for anti-inflammatory drugs. The molecular structure makes it amenable to targeted changes—introducing new double bonds or selectively removing the acetoxy group. This adaptability opens the door for biologists, too, who use downstream derivatives to probe hormone receptors or develop tracer molecules.
Analytical chemists, who work hard to confirm identity and purity, usually praise products like this for their spectroscopic clarity. Peaks are crisp in both NMR and IR spectra, which helps avoid ambiguity. If you’ve ever sat through an argument about a vague signal on a chromatogram, you know how valuable it is when such trouble never comes up.
Some junior chemists have asked: why not just use other androstane derivatives in the same experiments? My answer usually draws on stories from failed projects. Minor differences—location of double bonds, presence or absence of an acetate group—end up shaping the whole reactivity pattern. Even small changes can turn a multi-step process into a maze of purifications and unexpected side products. This compound proves its worth through reliability and the way it acts as a stable canvas for modification.
Drugs or research reagents that require customization start with the right intermediate. Competing products—perhaps 5β-androstanes or androstenedione—have their place, but they can introduce significant complications. For instance, extra methyl groups or fewer double bonds restrict reaction paths. Others lack the predictable profile during kilo-scale workups, leading to batch-to-batch variations that drive chemists up the wall.
With 17-Acetoxy-5Α-Androst-2,16-Diene, process engineers have told me that large-scale synthesis lines suffer fewer shutdowns. Recrystallization goes smoothly. Solubility in common organic solvents saves time, letting project teams skip extra pre-treatment steps. Different compounds can require more elaborate conditions, such as hazardous reagents or temperature extremes, raising costs and operational risks. Using this molecule reduces calls to maintenance.
Innovation in steroid chemistry means refining both science and workflow. This compound forms a bridge between the classic work of mid-20th-century chemists and the fast-paced pipelines of today. The clear analytical profile translates to shorter batch-release procedures, which is a silent blessing in pilot plants. I’ve worked with teams who had to leap over regulatory hurdles every few weeks—the ability to easily document purity with standard methods makes audits less stressful.
One of the main questions I hear from procurement teams deals with assurance: can they trust a supplier’s consistency? Experienced lab directors tend to source intermediates with verifiable backgrounds. Products with exhaustive certificates of analysis—not just a skimpy handful of data points, but robust records including HPLC and melting points—have an edge. 17-Acetoxy-5Α-Androst-2,16-Diene consistently comes with a full panel, often showing purity exceeding 98%. This matters not only for compliance, but also for reducing the risk of biological assay interference.
Responsible sourcing is more than checking boxes on paperwork. My experience has taught me that ignoring ethical considerations in procurement leads to headaches later. The market increasingly asks for confirmation that intermediates come from facilities following both environmental and occupational health guidelines. Waste minimization, safe handling of solvents, and transparent documentation across every step have become industry basics. Products like this, when sourced from vetted suppliers, usually meet or surpass those standards, which settles the nerves of safety officers tasked with routine inspections.
Safe handling practices remain essential. Anyone who’s spent time in a synthetic chemistry lab learns to respect powerful compounds—most steroid intermediates demand gloves, eye protection, and effective fume extraction. Proper labeling, clear storage guidelines, and comprehensive training all play their part. I’ve seen plenty of avoidable accidents stem from complacency. This product comes with well-established best practices that reflect decades of accumulated field wisdom.
Real value comes from experience, not just printed numbers. Teams looking at 17-Acetoxy-5Α-Androst-2,16-Diene should always cross-check supplier credibility, independent lab verification, and stored quality records. Batch consistency means more than hitting a certain number on a spec sheet—it’s about knowing the last drum matches the work done three months ago.
Pay close attention to shipping and storage as well. While this product generally ships well under standard lab conditions, it performs best when stored in tightly sealed containers, fully protected from moisture. Direct sunlight breaks down more compounds than you’d think, and even the most stable molecules suffer in humid warehouses. Laboratories that invest in simple desiccators and take time for good housekeeping save money across every step of drug development.
Progress in science often hinges on small improvements that snowball into big gains. The introduction of sturdy intermediates strengthens entire discovery pipelines. A molecule like 17-Acetoxy-5Α-Androst-2,16-Diene gives medicinal chemists a jump-start toward designing diverse steroid analogues. One of my former colleagues focused on receptor antagonists and found that working from a secure synthetic base cut project timelines in half. Even modest savings in reaction steps or purifications add up to weeks saved over the lifespan of a multi-year research grant.
Research publications increasingly reference this compound in their methodology sections, pointing students and competitors alike to its advantages. Not every steroidal intermediate earns such respect; those that do often catalyze new lines of inquiry. Whether it’s mapping metabolic pathways or exploring enzyme selectivity, having a dependable backbone matters.
Stories circulate in every lab about missed deadlines caused by unreliable chemicals. I’ve seen projects stall for months because a starting material failed to meet expectations. Labs that use this product report far fewer of these tales. Reliable reactivity, clear data, and safe handling combine to free up time—to plan new experiments, write up results, or train the next generation.
Up-and-coming chemists ask about alternatives: why pick this molecule over a cheaper or easier-to-source option? What comes up in meetings is the real-world savings in time and troubleshooting. Forcing an ill-suited intermediate through a reaction series usually leads to extra purification rounds, which means wasted solvent, lost product, and tired staff. The compound in question stands out for adapting smoothly to a range of transformations.
Steroidal chemistry remains an intensely competitive field, pushing researchers to wring every bit of value from raw materials. The products shaping tomorrow’s treatments for inflammatory disorders or rare endocrine conditions often begin as unassuming powders on a shelf. This compound’s careful design, thoughtful manufacturing, and unambiguous documentation create a foundation for innovative research.
Demand for ethical, traceable, and efficient synthesis keeps rising. The lessons learned from handling inconsistent or poorly characterized intermediates drive labs to demand more—from both suppliers and regulators. Standards shift in response. 17-Acetoxy-5Α-Androst-2,16-Diene meets rising expectations and continues to serve a specialized but critical part in the broader pharmaceutical landscape.
The next time a researcher sketches out a synthetic plan, the decision to work with reliable, field-tested intermediates will save more than just effort; it can spell the difference between success and months of backtracking. In the big picture, the real story here isn’t just a particular chemical formula—it’s the peace of mind, opportunities, and steady progress made possible by compounds built on sound science and real-world experience.