Description

Estra-1,3,5(10)-Triene-3,17Beta-Diol 17-Butyrate is a high-purity steroid derivative, specifically a 17β-butyrate ester of estradiol. This compound is a critical intermediate in the synthesis of advanced pharmaceutical actives and fine chemicals, valued for its defined molecular structure and consistent reactivity. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, biotechnology, and advanced organic synthesis sectors for developing novel therapeutic agents and conducting biochemical research.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of steroidal drugs and hormone-based therapies.
• Biochemical Research: Used as a reference standard or precursor in studies involving estrogen receptors and metabolic pathways.
• Fine Chemical Synthesis: Serves as a specialized starting material for creating complex molecules in advanced organic chemistry.
• Reference Standard: Employed in analytical laboratories for method development, calibration, and quality control testing of related compounds.
• Academic Research: Utilized in university and institutional labs for exploratory chemistry and pharmacological studies.

Basic Information

Product Name	Estra-1,3,5(10)-Triene-3,17Beta-Diol 17-Butyrate
CAS No.	18069-79-9
Molecular Formula	C22H30O3
Molecular Weight	342.47 g/mol
Synonyms	Estradiol 17-Butyrate; 17β-Estradiol 17-Butyrate; Estra-1,3,5(10)-triene-3,17β-diol 17-butyrate; 3,17β-Dihydroxyestra-1,3,5(10)-trien-17-yl butyrate; NSC 71964; Butyric acid, ester with estradiol; 17β-Hydroxyestra-1,3,5(10)-trien-3-yl 17-butyrate
EINECS	Contact for details

Quality Control

Our Estra-1,3,5(10)-Triene-3,17Beta-Diol 17-Butyrate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, open flames, and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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