Description

β-Estradiol 17-Acetate is a specific, high-purity ester derivative of the primary female sex hormone, estradiol. This compound is a critical pharmaceutical intermediate and reference standard, valued for its precise chemical structure and biological activity. It is essential for manufacturers and research institutions in the pharmaceutical, biotechnology, and life sciences sectors developing hormone therapies, diagnostic assays, and advanced research projects.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of steroidal drugs and advanced hormone replacement therapies (HRT).
• Reference Standard: Used for quality control, method validation, and calibration in analytical laboratories (HPLC, GC-MS).
• Biochemical Research: Employed in studies of estrogen receptor binding, endocrine signaling pathways, and metabolic processes.
• Veterinary Medicine: A component in formulations for animal health applications requiring estrogenic activity.
• Diagnostic Development: Serves as an antigen or standard in the production of immunoassays and diagnostic kits.

Basic Information

Item	Detail
Product Name	β-Estradiol 17-Acetate
CAS No.	1743-60-8
Molecular Formula	C20H26O3
Molecular Weight	314.42 g/mol
Synonyms	Estradiol 17-Acetate; 17β-Estradiol 3,17-Diacetate; Estra-1,3,5(10)-triene-3,17β-diol 17-acetate; 3,17β-Dihydroxyestra-1,3,5(10)-trien-17-yl acetate; NSC 9895; 17β-Estradiol 17-acetate; E2-17-Acetate
EINECS	217-119-1

Quality Control

Our β-Estradiol 17-Acetate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets exacting standards for pharmaceutical and research use. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥98.0%
Loss on Drying	≤0.5%
Related Substances (HPLC)	Total impurities ≤2.0%
Single Unknown Impurity	≤0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.