Description

Diethylstilbestrol is a synthetic, non-steroidal estrogen compound with the CAS registry number 56-53-1. This compound is significant for its potent estrogenic activity and has been a subject of extensive historical and biochemical research. It is primarily required by research institutions, pharmaceutical development laboratories, and chemical manufacturers for analytical standards, reference materials, and specialized synthesis.

Application

• Biochemical and Pharmaceutical Research: Used as a reference standard and active compound in studies of estrogen receptors, hormone mechanisms, and endocrine disruption.
• Veterinary Pharmaceutical Development: Historically applied in animal growth promotion and reproductive management; relevant for historical and regulatory research.
• Chemical Synthesis Intermediate: Serves as a key building block or precursor in the synthesis of more complex steroidal and non-steroidal molecules for research purposes.
• Analytical Standard: Essential for calibrating equipment and validating methods in analytical chemistry and quality control laboratories, particularly for HPLC, GC-MS, and spectroscopy.
• Academic and Educational Use: Employed in university laboratories for teaching advanced concepts in organic chemistry, pharmacology, and toxicology.

Basic Information

Product Name	Diethylstilbestrol
CAS No.	56-53-1
Molecular Formula	C18H20O2
Molecular Weight	268.35 g/mol
Synonyms	DES; Stilbestrol; (E)-4,4'-(1,2-Diethyl-1,2-ethenediyl)bisphenol; alpha,alpha'-Diethyl-4,4'-stilbenediol; (E)-Diethylstilbestrol; 4,4'-Dihydroxy-alpha,β-diethylstilbene; Distilbène; Stilboestrol
EINECS	200-278-5

Quality Control

Our Diethylstilbestrol is manufactured and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling via advanced chromatographic and spectroscopic techniques. We provide Certificates of Analysis (COA) with detailed results for traceability and compliance, ensuring the material meets the stringent requirements of research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic and easily oxidized nature, it is recommended to handle the material under an inert atmosphere for long-term storage and to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥98.0%
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%
Related Substances (HPLC)	Total impurities ≤2.0%
Specific Optical Rotation	Contact for details
Heavy Metals	≤20 ppm

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