Description

Castasterone is a potent, naturally occurring brassinosteroid plant hormone that plays a critical role in regulating plant growth, development, and stress responses. Its core value lies in its ability to significantly enhance crop yield, quality, and resilience, offering a powerful tool for modern agriculture and plant research. This high-purity compound is essential for agricultural researchers, biostimulant formulators, and advanced plant biotechnology applications seeking to optimize plant performance and study hormonal pathways.

Application

• Plant Growth Regulator Formulations: A key active ingredient in advanced biostimulants and plant growth promoters to increase biomass, fruit set, and overall crop yield.
• Agricultural Research & Development: Used in physiological studies to understand brassinosteroid signaling, stress tolerance mechanisms, and plant developmental biology.
• Seed Treatment Solutions: Incorporated into coatings to improve germination rates, enhance seedling vigor, and promote stronger root establishment.
• Stress Mitigation: Applied to help plants overcome abiotic stresses such as drought, salinity, and temperature extremes, thereby protecting yield.
• Controlled Environment Agriculture (CEA): Utilized in hydroponic and greenhouse systems to precisely manage plant architecture and flowering.
• High-Value Crop Production: Targeted use in fruits, vegetables, and ornamental plants to improve size, color, and shelf-life.

Basic Information

Product Name	Castasterone
CAS No.	80736-41-0
Molecular Formula	C₂₈H₄₈O₈
Molecular Weight	512.7 g/mol
Synonyms	(22R,23R,24S)-22,23-Dihydroxy-24-methyl-B-homo-7-oxa-5α-cholestan-6-one; (22R,23R,24S)-2α,3α,22,23-Tetrahydroxy-24-methyl-B-homo-7-oxa-5α-cholestan-6-one; Brassinolide precursor; CS; Castasterone BR.
EINECS	Contact for details

Quality Control

Our Castasterone is produced under strict quality management protocols to ensure high purity and batch-to-batch consistency, suitable for research and formulation purposes. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards for fine chemicals, and specifications can be aligned with customer requirements for specific applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C (refrigerated) for long-term stability. This product is hygroscopic (moisture-sensitive) and must be kept under inert atmosphere or desiccated conditions after opening to maintain potency and prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solubility	Soluble in methanol, ethanol, DMSO

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