Description

Cleistanthin B is a naturally occurring diterpenoid lactone compound, identified by CAS NO 30021-77-3. This specialized phytochemical is valued for its unique biological activity and serves as a critical reference standard and research material. It is primarily utilized by pharmaceutical R&D departments, academic research institutions, and analytical laboratories focused on natural product chemistry and drug discovery.

Application

• Pharmaceutical Research & Development: Serves as a high-purity reference standard and active pharmaceutical ingredient (API) intermediate for investigating novel therapeutic agents.
• Academic & Biomedical Research: Used as a key biochemical tool in studies of cytotoxicity, apoptosis, and other cellular mechanisms for potential anti-cancer applications.
• Analytical Chemistry: Employed as a certified reference material (CRM) for method development, validation, and quality control in HPLC, LC-MS, and NMR analyses.
• Natural Product Isolation & Synthesis: Acts as a benchmark compound for the isolation, purification, and structural elucidation of related diterpenoids from plant sources.
• Preclinical Studies: Utilized in in vitro and in vivo models to evaluate pharmacological efficacy, pharmacokinetics, and toxicology profiles.

Basic Information

Product Name	Cleistanthin B
CAS No.	30021-77-3
Molecular Formula	C27H30O9
Molecular Weight	498.52 g/mol
Synonyms	Cleistanthin-B; NSC 168089; 3,4,6-Tri-O-acetyl-2-deoxy-α-D-arabino-hexopyranosyl (1→4)-3-O-acetyl-2,6-dideoxy-α-D-ribo-hexopyranosyl (1→4)-2,6-dideoxy-α-D-ribo-hexopyranoside; 4-O-(3,4,6-Tri-O-acetyl-2-deoxy-α-D-arabino-hexopyranosyl)-3-O-acetyl-2,6-dideoxy-α-D-ribo-hexopyranosyl-(1→4)-2,6-dideoxy-α-D-ribo-hexopyranoside
EINECS	Contact for details

Quality Control

Our Cleistanthin B is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis. Certificates of Analysis (COA) with detailed chromatographic data are provided to ensure traceability and compliance with research-grade specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a low-humidity environment to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residual Solvents (GC)	Meets ICH guidelines

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