Description

18-Hydroxy-18-Methyl-16,17-Methylene-D-Homoandrostane-3-One is a high-purity synthetic steroid derivative, valued for its role as a critical pharmaceutical intermediate. Its specific structural modifications make it a key building block in the synthesis of advanced steroid-based active pharmaceutical ingredients (APIs). This compound is essential for manufacturers in the pharmaceutical and fine chemical industries engaged in research, development, and production of specialized therapeutic agents.

Application

• Pharmaceutical Intermediate: A key precursor in the multi-step synthesis of novel steroid-based drugs and hormonal therapies.
• Research & Development: Used in academic and industrial laboratories for pharmacological studies and the development of new chemical entities.
• Fine Chemical Synthesis: Serves as a specialized building block for creating complex organic molecules with specific biological activity.
• Reference Standard: Employed as an analytical standard in quality control laboratories for method development and impurity profiling.

Basic Information

Product Name	18-Hydroxy-18-Methyl-16,17-Methylene-D-Homoandrostane-3-One
CAS No.	83606-93-3
Molecular Formula	C₂₁H₃₂O₂
Molecular Weight	316.48 g/mol
Synonyms	18-Hydroxy-18-methyl-16,17-methylenedioxy-D-homoandrostan-3-one; 18-Methyl-18-hydroxy-16,17-methylenedioxy-D-homoandrostan-3-one; 16,17-Methylene-18-hydroxy-18-methyl-D-homoandrostan-3-one; (5α,13β,16β,17α)-18-Hydroxy-18-methyl-16,17-methylenedioxy-D-homoandrostan-3-one; D-Homoandrostane-3-one, 18-hydroxy-18-methyl-16,17-methylene-; 83606-93-3
EINECS	Contact for details

Quality Control

Our 18-Hydroxy-18-Methyl-16,17-Methylene-D-Homoandrostane-3-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the stringent requirements for pharmaceutical intermediates. A detailed Certificate of Analysis (COA) is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

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 unknown impurity	≤ 0.5%
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.