Description

22S,23S-Epicastasterone is a bioactive brassinosteroid analog, a plant growth regulator that plays a crucial role in modulating plant physiological processes. This high-purity compound is valued for its ability to enhance stress tolerance and promote growth in agricultural and research settings. It is primarily utilized by agrochemical researchers, plant physiology laboratories, and manufacturers developing next-generation biostimulants and plant growth regulators.

Application

• Plant Growth Regulation Research: Used as a standard or active ingredient in studies investigating brassinosteroid signaling, metabolism, and physiological effects.
• Agrochemical Formulation: Serves as a key intermediate or active component in the development of advanced biostimulants and plant health products.
• Crop Stress Management: Applied in research to improve crop resilience against abiotic stresses such as drought, salinity, and temperature extremes.
• Horticulture and Floriculture: Investigated for potential use in enhancing the quality, yield, and post-harvest life of high-value flowers and ornamental plants.
• Seed Treatment Development: Explored in formulations aimed at improving seed germination vigor and early seedling establishment.
• Biochemical Pathway Analysis: Employed as a specific tool to study and elucidate the biosynthetic pathways of brassinosteroids in plants.

Basic Information

Product Name	22S,23S-Epicastasterone
CAS No.	72050-69-2
Molecular Formula	C₂₈H₄₈O₆
Molecular Weight	480.68 g/mol
Synonyms	(22S,23S)-Epicastasterone; (22S,23S)-Homobrassinolide; 22S,23S-Homobrassinolide; 2α,3α,22S,23S-Tetrahydroxy-24S-methyl-B-homo-7-oxa-5α-cholestan-6-one; 22S,23S-Epibrassinolide (related analog); Brassinolide analog; Plant steroid hormone analog; BRS analog
EINECS	Contact for details

Quality Control

Our 22S,23S-Epicastasterone 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 to ensure it meets exacting standards for research and development. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 should be handled under dry conditions to prevent degradation. For long-term storage, consider desiccation.

Specification

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

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