Description

Poststerone is a high-purity steroid intermediate of significant importance in advanced pharmaceutical synthesis. This compound serves as a critical building block for the development of novel therapeutic agents, particularly in the fields of endocrinology and metabolic research. It is primarily utilized by research institutions, pharmaceutical R&D departments, and fine chemical manufacturers engaged in the production of specialized steroid-based APIs.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or starting material in metabolic pathway studies and hormone research.
• Fine Chemical Synthesis: Employed in multi-step organic synthesis to construct more elaborate steroid frameworks with specific biological activity.
• Development of Novel Therapeutics: Facilitates the research and development of new drugs targeting hormonal receptors and related disorders.

Basic Information

Product Name	Poststerone
CAS No.	10162-99-9
Molecular Formula	C21H28O3
Molecular Weight	328.45 g/mol
Synonyms	Poststerone; 17β-Hydroxy-3-oxoandrosta-1,4-diene-2-carboxylic acid δ-lactone; 17β-Hydroxy-3-oxoandrosta-1,4-dien-2-carboxylic acid lactone; NSC 89299; Androsta-1,4-diene-3-one, 17-hydroxy-, γ-lactone; 2H-Cyclopenta[a]phenanthren-2-one, 1,4,5,6,6a,7,8,9,10,10a-decahydro-6a-hydroxy-1,4,7-trimethyl-, (6aS,10aS)-
EINECS	Contact for details

Quality Control

Our Poststerone is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay determination and related substance profiling. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

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

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.