Description

4-Methyl-19-Norspirosta-1,3,5(10)-Triene is a high-purity steroid derivative and a key synthetic intermediate in advanced organic chemistry. This compound is valued for its specific structural framework, which is crucial for the research and development of novel pharmaceutical agents and bioactive molecules. It is primarily utilized by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and fine chemical sectors seeking reliable, high-quality building blocks for complex synthesis.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel steroid-based drugs and therapeutic agents.
• Research & Development: Used in academic and industrial R&D for studying structure-activity relationships (SAR) and developing new chemical entities.
• Fine Chemical Synthesis: Serves as a specialized building block for creating complex, high-value organic molecules.
• Reference Standard: Employed as an analytical standard in quality control laboratories for method development and validation.
• Agrochemical Research: Investigated for potential use in developing new plant growth regulators or pesticides.

Basic Information

Product Name	4-Methyl-19-Norspirosta-1,3,5(10)-Triene
CAS No.	4988-24-3
Molecular Formula	C19H26O2
Molecular Weight	286.41 g/mol
Synonyms	4-Methyl-19-norspirosta-1,3,5(10)-triene; 4-Methyl-19-nor-1,3,5(10)-spirostatriene; 4-Methyl-19-nor-1,3,5(10)-spirostatrien-3-ol; 4-Methyl-19-nor-1,3,5(10)-spirostatrien-3-one (related ketone); 4-Methyl-19-norandrosta-1,3,5(10)-triene-17-one derivative; 4-Methyl-19-norsteroid intermediate; 4-Methyl-19-norspirosten; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 4-Methyl-19-Norspirosta-1,3,5(10)-Triene is manufactured under strict quality management systems. 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 each shipment, detailing all relevant specifications. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliable and reproducible performance for your critical applications.

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. For long-term storage, consider an inert atmosphere to maximize 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%
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.