Description

(5S,8S,9S,11S)-9-Hydr is a high-purity, stereochemically defined chemical intermediate of significant interest in advanced organic synthesis. This compound matters for its role as a critical building block in the development of complex, biologically active molecules, particularly within the pharmaceutical sector. Industries that require precise chiral synthesis, such as pharmaceutical R&D, agrochemical development, and fine chemical manufacturing, are the primary users of this material.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of novel active pharmaceutical ingredients (APIs), especially for steroids and other complex therapeutic agents.
• Agrochemical Research: Used in the development of advanced, stereospecific pesticides and plant growth regulators where specific spatial orientation is crucial for bioactivity.
• Fine Chemical Synthesis: Acts as a versatile building block for creating complex organic molecules in custom synthesis and process development projects.
• Academic & Industrial R&D: Employed in chemical research for studying stereoselective reactions and developing new synthetic methodologies.
• Reference Standard: Can be utilized as a high-purity analytical standard for method development and quality control in laboratories.

Basic Information

Product Name	(5S,8S,9S,11S)-9-Hydr
CAS No.	202816-62-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	(5S,8S,9S,11S)-9-Hydroxyandrost-4-ene-3,17-dione; 9-Hydroxyandrost-4-ene-3,17-dione (5S,8S,9S,11S)-; 9-Hydroxy-AD; 9-Hydroxyandrostenedione; 9-OH-AD; Steroid intermediate 202816-62-4; (5S,8S,9S,11S)-9-Hydroxyandrostenedione
EINECS	Contact for details

Quality Control

Our (5S,8S,9S,11S)-9-Hydr is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Products undergo rigorous analytical testing, including chiral purity verification by HPLC, to meet the exacting standards required for pharmaceutical and fine chemical applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Chiral Purity	≥ 99.0% de
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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