Description

Equilin CAS NO 474-86-2 is a naturally occurring steroid hormone classified as an estrogen. This compound is of significant interest in pharmaceutical research and development due to its biological activity. It is primarily utilized by manufacturers in the pharmaceutical, biotechnology, and research sectors for the synthesis of steroid-based drugs and as a critical reference standard in analytical chemistry.

Application

• Pharmaceutical Intermediate: A key starting material or intermediate in the synthesis of steroidal drugs and hormone replacement therapies.
• Reference Standard: Used as a high-purity certified reference material (CRM) for quality control and method validation in analytical laboratories.
• Biochemical Research: Employed in studies investigating estrogen receptor activity, metabolic pathways, and endocrine system function.
• Veterinary Medicine: Potential application in the development of treatments for reproductive health in animals.
• Academic Research: Serves as a reagent in university and institutional labs for chemical and pharmacological studies.

Basic Information

Product Name	Equilin
CAS No.	474-86-2
Molecular Formula	C18H20O2
Molecular Weight	268.35 g/mol
Synonyms	7-Dehydroestrone; 3-Hydroxyestra-1,3,5(10),7-tetraen-17-one; δ7-Estrone; Equilin (USP); 1,3,5(10),7-Estratetraene-3-ol-17-one
EINECS	207-476-8

Quality Control

Our Equilin is produced and tested under a strict quality management system. We offer grades suitable for research and pharmaceutical applications, with typical purity levels exceeding 98% (HPLC). Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles, ensuring traceability and compliance with relevant standards. Certificates are available upon request.

Storage

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

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 Maximum Impurity	≤ 1.0%

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