Description

Precyclemone B is a high-purity synthetic intermediate of significant importance in advanced organic synthesis. Its precise chemical structure makes it a valuable building block for the production of complex molecules, particularly in the pharmaceutical and agrochemical sectors. This compound is essential for research institutions and industrial manufacturers requiring reliable, high-quality raw materials for developing active pharmaceutical ingredients (APIs) and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of steroid-based active pharmaceutical ingredients (APIs) and other therapeutic compounds.
• Agrochemical Synthesis: Used in the research and production of advanced crop protection agents and plant growth regulators.
• Fine Chemical Manufacturing: Serves as a critical building block for creating complex organic molecules in custom synthesis and process development.
• Research & Development (R&D): Employed in academic and industrial laboratories for method development and the exploration of novel synthetic pathways.
• Steroid Analog Production: Integral to the synthesis of specific steroid analogs and hormone-related compounds for various applications.

Basic Information

Product Name	Precyclemone B
CAS No.	52474-60-9
Molecular Formula	C21H28O2
Molecular Weight	312.45 g/mol
Synonyms	Pregna-4,9(11)-diene-3,20-dione; 9,11-Dehydroprogesterone; 9(11)-Dehydroprogesterone; NSC 88915; 4,9(11)-Pregnadiene-3,20-dione; 9,11-Dehydroprogesteron; δ9(11)-Pregnene-3,20-dione
EINECS	Contact for details

Quality Control

Our Precyclemone B is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling via techniques such as HPLC, GC, and NMR. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to guarantee compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
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.