Description

22S,23S-Homocastasterone is a bioactive brassinosteroid analog, a key plant growth regulator that influences cell division, elongation, and stress resistance. This high-purity compound is essential for advanced agricultural research and the development of next-generation plant biostimulants and growth enhancers. It is primarily utilized by agrochemical R&D laboratories, manufacturers of specialty plant hormones, and academic institutions focused on plant physiology and sustainable agriculture.

Application

• Agrochemical Research & Development: As a reference standard and active ingredient in the formulation of novel plant growth regulators and biostimulants.
• Plant Physiology Studies: For investigating brassinosteroid signaling pathways, hormone interactions, and their role in plant development and stress adaptation.
• High-Value Crop Production: Potential use in enhancing growth, yield, and stress tolerance in horticulture, viticulture, and greenhouse cultivation.
• Seed Treatment Formulations: Incorporated into coatings to improve germination vigor and early seedling establishment.
• Biotechnology: Used in tissue culture media to promote cell growth and differentiation in plant cell and tissue cultures.
• Analytical Standard: Serves as a certified reference material (CRM) for quality control and analytical method development in laboratories.

Basic Information

Product Name	22S,23S-Homocastasterone
CAS No.	83510-06-9
Molecular Formula	C₂₉H₅₀O₆
Molecular Weight	494.71 g/mol
Synonyms	(22S,23S)-Homocastasterone; 22S,23S-Homobrassinolide; 22S,23S-Homo-Brassinolide; 2α,3α,22S,23S-Tetrahydroxy-24α-methyl-B-homo-7-oxa-5α-cholestan-6-one; 24-Epicastasterone; 24-Epihomocastasterone; Brassinolide analog; Plant growth regulator (PGR)
EINECS	Contact for details

Quality Control

Our 22S,23S-Homocastasterone is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis. A detailed Certificate of Analysis (COA) is provided with every shipment, ensuring traceability and compliance with your research and development specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. This product is hygroscopic (moisture-sensitive) and light-sensitive; ensure the container is sealed tightly after each use to minimize exposure to air and humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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