Description

3H-Cycloprop[15,16]Androsta-5,15-Dien-17-One,3-(2,2-Dimethyl-1- is a high-purity steroid derivative and a key synthetic intermediate of significant value in advanced pharmaceutical research and development. This compound matters for its role as a crucial building block in the synthesis of novel therapeutic agents, particularly in the fields of endocrinology and oncology. Pharmaceutical manufacturers, biotechnology firms, and advanced research institutions require this intermediate for developing next-generation steroid-based drugs and conducting critical structure-activity relationship (SAR) studies.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of novel steroid-based active pharmaceutical ingredients (APIs).
• Research & Development: Used in medicinal chemistry for exploring new chemical entities (NCEs) and conducting structure-activity relationship (SAR) studies.
• Hormone Analog Synthesis: Serves as a key building block for the development of modified androgen or other steroid hormone analogs with targeted therapeutic profiles.
• Reference Standard: Employed as a high-purity analytical standard in quality control laboratories for method development and validation.
• Biochemical Research: Utilized in academic and industrial labs to study steroid receptor interactions and metabolic pathways.

Basic Information

Product Name	3H-Cycloprop[15,16]Androsta-5,15-Dien-17-One,3-(2,2-Dimethyl-1-
CAS No.	82543-09-7
Molecular Formula	C22H30O
Molecular Weight	310.48 g/mol
Synonyms	3H-Cycloprop[15,16]androsta-5,15-dien-17-one, 3-(2,2-dimethyl-1-oxopropoxy)-, (3β)-; 3β-(2,2-Dimethyl-1-oxopropoxy)-3H-cyclopropa[15,16]androsta-5,15-dien-17-one; Androsta-5,15-dien-17-one, 3H-cyclopropa[15,16]-, 3-(2,2-dimethyl-1-oxopropoxy)-, (3β)-; Steroid Cyclopropane Derivative; 82543-09-7; Cyclopropastane Intermediate
EINECS	Contact for details

Quality Control

Our 3H-Cycloprop[15,16]Androsta-5,15-Dien-17-One,3-(2,2-Dimethyl-1- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical R&D. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request to support your regulatory and quality assurance needs.

Storage

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