Description

9(11)-Dehydromestranol is a high-purity synthetic steroid intermediate of significant importance in pharmaceutical research and development. This compound serves as a critical building block for the synthesis of more complex steroidal active pharmaceutical ingredients (APIs). It is primarily utilized by R&D laboratories and production facilities within the pharmaceutical and fine chemical industries, where precise chemical structure and high purity are paramount for developing therapeutic agents and conducting metabolic studies.

Application

• Pharmaceutical Intermediate: A key precursor in the multi-step synthesis of steroidal hormones and related APIs.
• Research & Development: Used in academic and industrial laboratories for studying steroid metabolism, structure-activity relationships (SAR), and novel synthetic pathways.
• Reference Standard: Serves as an analytical standard in quality control laboratories for method development and impurity profiling using techniques like HPLC and GC-MS.
• Fine Chemical Synthesis: Employed in the production of specialized, high-value chemical entities for biological testing and evaluation.

Basic Information

Product Name	9(11)-Dehydromestranol
CAS No.	1096-29-3
Molecular Formula	C₂₁H₃₀O
Molecular Weight	298.46 g/mol
Synonyms	19-Nor-17α-pregna-1,3,5(10),9(11)-tetraen-20-yn-17-ol; 17α-Ethynyl-19-nor-1,3,5(10),9(11)-estratetraen-17-ol; 9(11)-Dehydro-19-normestranol; 9(11)-Dehydro-19-norethynyltestosterone; 9,11-Dehydromestranol; 9-Dehydromestranol; 9,11-Didehydromestranol
EINECS	Contact for details

Quality Control

Our 9(11)-Dehydromestranol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identification (IR, NMR), purity assay (HPLC), and control of related substances, to ensure it meets stringent specifications for research and synthesis purposes. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials.

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%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Residual Solvents (GC)	Complies with 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.