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Description
beta-Estradiol 17-Acetate is an ester derivative of 17beta-estradiol, a steroid hormone belonging to the estrogen class, in which the hydroxyl group at the 17 position has been acetylated. The compound is classified as a pharmaceutical research reagent for experimental use, and is not intended for therapeutic application in humans. In laboratory work, materials of this kind are used to study the behaviour of modified steroids, to prepare analytical standards, and to examine the mechanisms by which an active compound is released from its ester form. The four-ring steroid framework with an aromatic A ring is the structural hallmark of the estrogen class.
The property that makes this 17-acetate form a preferred choice is the change in physicochemical character brought about by esterification. Replacing the free hydroxyl group with an ester group increases lipophilicity and alters the solubility of the compound in organic solvents as well as in lipid-based systems. The ester group can also be hydrolysed back, either chemically or enzymatically, so this structure often serves as a useful model in prodrug research and release-kinetics studies. For analytical laboratories, the presence of the acetate group produces chromatographic and mass spectrometric behaviour that differs from that of the parent estradiol, which is useful when a distinct, well-resolved reference species is needed.
In Indonesian laboratories, a reagent of this type is normally held by university research groups, pharmaceutical and formulation development units, and analytical service laboratories working on steroid chemistry. It is typically drawn upon for method development, for the preparation of working solutions and reference materials, and for bench-scale experimental studies. Because the material is supplied strictly for experimental use, its handling is generally governed by institutional procedures for controlled research chemicals and documented in the laboratory's reagent records.
Laboratory Applications
- Steroid modification studies: the acetylated 17 position provides a defined, structurally characterised example of a modified estrogen, allowing researchers to compare the behaviour of an esterified steroid against its parent compound.
- Analytical standard preparation: the compound can be used to prepare reference solutions for chromatographic and spectrometric work, where its distinct acetate-bearing structure gives a clearly identifiable analytical species.
- Prodrug and release-kinetics research: because the ester bond is cleavable both chemically and enzymatically, the material serves as a practical model system for studying how an active compound is liberated from its ester form.
- Chromatographic method development: the acetate group confers retention and fragmentation behaviour different from unmodified estradiol, which helps analysts establish separation conditions and confirm peak identity during method validation.
- Solubility and formulation screening: the increased lipophilicity introduced by esterification makes the compound suitable for experimental work examining dissolution behaviour in organic solvents and lipid-based systems.
Specifications
- Brand: TCI
- Catalogue number: E1570
- CAS number: 1743-60-8
- Category: Life Science > Biochemicals and Reagents > Pharmaceutical Research Reagents (for Experimental Use)
- Pack sizes: available in the standard research-scale pack configurations offered by TCI for this catalogue item
- Storage note: store under the conditions stated on the manufacturer's label and product documentation
Handling and Storage
Store the reagent in its original tightly closed container, kept in a cool, dry and well-ventilated area away from direct sunlight, heat sources and incompatible materials. Amber glass or the supplier's original packaging is preferred, since it limits light exposure and moisture ingress. Follow the storage temperature stated on the manufacturer's label. Handle the material in a fume hood or a well-ventilated workspace, wearing a laboratory coat, appropriate gloves and eye protection, and avoid the generation of dust during weighing and transfer. Because this is a pharmaceutical research reagent supplied for experimental use only, it must not be used for human or veterinary therapeutic purposes. Consult the manufacturer's safety data sheet before use, record each withdrawal in the laboratory's reagent log, and dispose of residues and contaminated consumables through the institution's approved chemical waste route.
