Description

6-Oxabenz(3,4)-D-Homoestra-1,3,5(10),8,14-Pentaen-17-One CAS NO 135643-39-9 is a high-purity, complex steroidal derivative characterized by its unique oxa-benz-fused ring system. This compound serves as a critical advanced pharmaceutical intermediate for the research and development of novel therapeutic agents. It is primarily utilized by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in synthetic chemistry and drug discovery programs.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel steroidal drugs and active pharmaceutical ingredients (APIs).
• Drug Discovery Research: Used as a core scaffold in medicinal chemistry for developing new compounds with potential biological activity.
• Biochemical Research: Serves as a reference standard or probe in studying steroidal pathways and receptor interactions.
• Fine Chemical Synthesis: Employed in multi-step organic syntheses to create complex, high-value molecular architectures.
• Academic Research: Utilized in university and institutional labs for advanced organic chemistry studies and methodology development.

Basic Information

Product Name	6-Oxabenz(3,4)-D-Homoestra-1,3,5(10),8,14-Pentaen-17-One
CAS No.	135643-39-9
Molecular Formula	C19H18O2
Molecular Weight	278.35 g/mol
Synonyms	6-Oxabenz(3,4)-D-Homoestra-1,3,5(10),8,14-pentaen-17-one; 6-Oxabenz(3,4)-D-Homoestra-1,3,5(10),8,14-pentaene-17-one; 6-Oxa-benz(3,4)-D-homoestra-1,3,5(10),8,14-pentaen-17-one; 6-Oxabenz(3,4)-D-Homoestra-1,3,5(10),8,14-pentaen-17-on; 6-Oxabenz(3,4)-D-Homoestra-1,3,5(10),8,14-pentaen-17-one (CAS 135643-39-9); 6-Oxabenz(3,4)-D-Homoestra-1,3,5(10),8,14-pentaen-17-one, 98%
EINECS	Contact for details

Quality Control

Our 6-Oxabenz(3,4)-D-Homoestra-1,3,5(10),8,14-Pentaen-17-One is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to cGMP principles where applicable to support its use in regulated research environments.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at a controlled room temperature (15-25°C). This product is light-sensitive and easily oxidized; prolonged exposure to air or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Unknown Impurity	≤ 0.5%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Loss on Drying	≤ 0.5%

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