Description

18,19-Dinorstigmasta-1,3,5,7,9,11,13-Heptaene, 1,17-Dimethyl-, (17Alph A)- is a highly specialized steroidal derivative with a unique conjugated heptaene structure, offering significant value as a key intermediate in advanced organic synthesis. This compound matters for its role in constructing complex molecular architectures, particularly in pharmaceutical research and development. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors seeking to develop novel active compounds or functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical building block for the synthesis of novel steroid-based drug candidates and active pharmaceutical ingredients (APIs).
• Research Chemical: Used in academic and industrial laboratories for studying structure-activity relationships (SAR) and reaction mechanisms involving complex polyene systems.
• Agrochemical Synthesis: Acts as a precursor in the development of new generation plant growth regulators or specialized pesticides with steroidal backbones.
• Material Science Research: Investigated for its potential in creating organic semiconductors or light-harvesting materials due to its extended conjugated system.
• Reference Standard: Employed as an analytical standard in quality control laboratories for method development and impurity profiling.

Basic Information

Product Name	18,19-Dinorstigmasta-1,3,5,7,9,11,13-Heptaene, 1,17-Dimethyl-, (17Alph A)-
CAS No.	80382-28-1
Molecular Formula	C₂₉H₄₀
Molecular Weight	388.63 g/mol
Synonyms	(17α)-1,17-Dimethyl-18,19-dinorstigmasta-1,3,5,7,9,11,13-heptaene; 1,17-Dimethyl-18,19-dinorstigmasta-1,3,5,7,9,11,13-heptaene (17α)-; Steroidal heptaene intermediate; Dinorstigmastaheptaene derivative; Stigmastane polyene derivative; (17Alpha)-1,17-Dimethyl-18,19-dinorstigmasta-1,3,5,7,9,11,13-heptaene
EINECS	Contact for details

Quality Control

Our 18,19-Dinorstigmasta-1,3,5,7,9,11,13-Heptaene, 1,17-Dimethyl-, (17Alph A)- is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all specified parameters. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound is light-sensitive (store away from light) and should be handled under an inert atmosphere to prevent potential degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
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.