Description

Methallenestril is a synthetic, non-steroidal estrogen compound with significant research and pharmaceutical interest. Its unique structural properties make it a valuable intermediate in the development of specialized hormonal therapies and biochemical research tools. This high-purity compound is essential for pharmaceutical R&D laboratories, academic institutions, and manufacturers focused on endocrinology and steroid chemistry. We supply Methallenestril CAS NO 517-18-0 to the global market with a commitment to consistent quality and reliable technical support.

Application

• Pharmaceutical Intermediate: Key synthetic building block in the research and development of novel estrogenic compounds and hormonal agents.
• Biochemical Research: Used as a reference standard and active agent in studies investigating estrogen receptor binding, mechanism of action, and metabolic pathways.
• Academic & Clinical Studies: Serves as a crucial material for in-vitro and in-vivo research within university laboratories and clinical research organizations (CROs).
• Reference Standard: High-purity grade suitable for use as an analytical standard in HPLC, GC, and other chromatographic methods for quality control and method validation.
• Specialty Chemical Synthesis: Employed in custom synthesis and the production of more complex steroid-derived molecules for various investigative applications.

Basic Information

Product Name	Methallenestril
CAS No.	517-18-0
Molecular Formula	C20H22O2
Molecular Weight	294.39 g/mol
Synonyms	Methallenoestril; Methallenestroil; 3-(p-Methoxyphenyl)-2,2-dimethyl-4-phenyl-4-pentenoic Acid; 2,2-Dimethyl-3-(4-methoxyphenyl)-4-phenyl-4-pentenoic Acid; NSC 9894; Vallestril (former brand/trade name); Methallenestrilum; 4-Phenyl-2,2-dimethyl-3-(4-methoxyphenyl)-4-pentenoic Acid
EINECS	208-242-2

Quality Control

Every batch of Methallenestril is manufactured and tested under a strict quality management system. We provide comprehensive analytical documentation to ensure traceability and compliance with your research or production requirements. A detailed Certificate of Analysis (COA) is supplied with each shipment, confirming identity, purity, and conformity to agreed specifications. Our quality protocols are designed to meet the exacting standards of pharmaceutical R&D and fine chemical synthesis.

Storage

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

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%
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.