Description

Capitasterone CAS NO 20835-65-8 is a naturally occurring brassinosteroid, a class of plant hormones known for their potent growth-regulating properties. This compound is valued for its role in advanced plant physiology research and development of next-generation agricultural biostimulants. It is primarily sought by researchers and formulators in the agrochemical, plant biotechnology, and pharmaceutical sectors for its specific biological activity.

Application

• Plant Physiology & Biochemistry Research: Used as a reference standard and active agent in studies of brassinosteroid signaling pathways, gene expression, and plant developmental processes.
• Agricultural Biostimulant Development: Serves as a key active ingredient in formulating products aimed at enhancing crop stress tolerance, improving yield, and promoting plant growth.
• Phytochemical Analysis: Employed as an analytical standard in HPLC, LC-MS, and other chromatographic methods for the identification and quantification of brassinosteroids in plant extracts.
• Seed Treatment Formulations: Incorporated into treatments to improve seed germination rates and early seedling vigor under suboptimal conditions.
• Cell Culture & Tissue Engineering: Applied in *in vitro* plant cell and tissue culture systems to study morphogenesis and regulate specific growth phases.

Basic Information

Product Name	Capitasterone
CAS No.	20835-65-8
Molecular Formula	C₂₉H₄₈O₈
Molecular Weight	524.7 g/mol
Synonyms	Capitasterone; (22R,23R,24S)-22,23-Dihydroxy-24-methyl-5α-cholestan-3,6-dione; 3,6-Dioxo-5α-ergostan-22,23-diol; 24-Methylbrassinosterone; A Brassinolide-related phytosteroid
EINECS	Contact for details

Quality Control

Our Capitasterone is produced and handled under strict quality management protocols. Each batch is subjected to comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, MS). A detailed Certificate of Analysis (COA) is provided with every shipment, ensuring traceability and compliance with your research or formulation specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

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