Description

Estra-1,3,5(10)-Triene-3,17Beta-Diol Bis(Benzenepropionate) is a high-purity, synthetic steroid derivative with the CAS number 83968-50-7. This compound is a critical advanced intermediate for the synthesis of specialized steroidal pharmaceuticals and active pharmaceutical ingredients (APIs). It is essential for research and development laboratories, pharmaceutical manufacturers, and fine chemical producers requiring a reliable and consistent supply of a key steroidal building block.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of steroidal hormones and other complex therapeutic agents.
• Research & Development: Used in academic and industrial R&D for studying steroid metabolism, receptor binding, and developing new drug candidates.
• Fine Chemical Synthesis: Serves as a specialized building block for creating custom steroidal compounds with specific functional modifications.
• Reference Standard: Employed as a high-purity analytical standard for quality control and method validation in pharmaceutical analysis.

Basic Information

Product Name	Estra-1,3,5(10)-Triene-3,17Beta-Diol Bis(Benzenepropionate)
CAS No.	83968-50-7
Molecular Formula	C34H38O4
Molecular Weight	510.67 g/mol
Synonyms	Estradiol 3,17β-Dibenzenepropionate; Estradiol Diphenylpropionate; 3,17β-Dihydroxyestra-1,3,5(10)-triene 3,17β-Bis(3-phenylpropionate); 17β-Estradiol 3,17-Di(3-phenylpropionate); NSC 17591; E2 Diphenylpropionate; Estradiol Bis(hydrocinnamate)
EINECS	Contact for details

Quality Control

Our Estra-1,3,5(10)-Triene-3,17Beta-Diol Bis(Benzenepropionate) is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets stringent specifications for pharmaceutical intermediates. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed to protect the light-sensitive material from degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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