Description

18,19-Dinorcholesta-1,3,5,7,9,11,13-Heptaene, 4,17-Dimethyl-, (17Alpha )- is a highly conjugated, polycyclic steroidal hydrocarbon derivative. This compound is valued as a key synthetic intermediate and a sophisticated molecular scaffold for advanced research in organic chemistry and materials science. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for the synthesis of novel compounds and the study of complex molecular interactions.

Application

• Pharmaceutical Intermediate: Serves as a critical building block for the synthesis of novel steroidal drugs and bioactive molecules.
• Advanced Materials Research: Used as a precursor or dopant in the development of organic semiconductors and photonic materials due to its extended conjugated system.
• Agrochemical Synthesis: Acts as a complex scaffold for creating new generation plant growth regulators or pesticides with specific steroidal activity.
• Chemical Reference Standard: Employed in analytical laboratories as a high-purity standard for method development and quality control of related compounds.
• Academic & Industrial R&D: Fundamental research tool for studying pericyclic reactions, photochemistry, and the properties of polyene systems.
• Ligand & Catalyst Development: Potential use in designing novel chiral ligands or organocatalysts for asymmetric synthesis.

Basic Information

Product Name	18,19-Dinorcholesta-1,3,5,7,9,11,13-Heptaene, 4,17-Dimethyl-, (17Alpha )-
CAS No.	80382-25-8
Molecular Formula	C₂₇H₃₈
Molecular Weight	362.59 g/mol
Synonyms	(17α)-4,17-Dimethyl-18,19-dinorcholesta-1,3,5,7,9,11,13-heptaene; 4,17-Dimethyl-18,19-bisnorcholesta-1,3,5,7,9,11,13-heptaene, (17α)-; 18,19-Dinorcholesta-1,3,5,7,9,11,13-heptaene, 4,17-dimethyl-, (17α)-; 80382-25-8; 4,17-Dimethyl-18,19-dinorcholesta-1,3,5,7,9,11,13-heptaene
EINECS	Contact for details

Quality Control

Our 18,19-Dinorcholesta-1,3,5,7,9,11,13-Heptaene, 4,17-Dimethyl-, (17Alpha )- is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and structural identity. A detailed Certificate of Analysis (COA) specifying purity, related substances, and physical characteristics is provided with every shipment to guarantee batch-to-batch consistency and support your regulatory and research requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solubility	Soluble in common organic solvents (e.g., DCM, THF, Toluene)

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