Description

Staunoside E CAS NO 155661-21-5 is a high-purity, specialized triterpenoid saponin compound. This bioactive natural product is valued for its role as a key reference standard and active pharmaceutical ingredient (API) intermediate in advanced research and development. It is primarily utilized by pharmaceutical, biotechnology, and nutraceutical companies engaged in the discovery and formulation of novel therapeutic agents. Our supply ensures consistent quality and reliable availability for critical applications.

Application

• Pharmaceutical Reference Standard: Used for the qualitative and quantitative analysis of herbal extracts and finished products in quality control laboratories.
• Active Pharmaceutical Ingredient (API) Intermediate: Serves as a critical building block in the synthesis and development of new drug candidates.
• Biomedical Research: Employed in in vitro and in vivo studies to investigate biological activities, including anti-inflammatory, anti-cancer, and immunomodulatory effects.
• Natural Product Isolation & Standardization: Essential for the calibration of analytical equipment and standardization of plant-derived extracts.
• Nutraceutical Development: Incorporated into high-end supplement formulations where standardized bioactive components are required.
• Academic Research: Used in universities and research institutes for pharmacological and phytochemical studies.

Basic Information

Product Name	Staunoside E
CAS No.	155661-21-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Staunoside E; 3-O-[β-D-Glucopyranosyl-(1→3)-α-L-rhamnopyranosyl-(1→2)-α-L-arabinopyranosyl]-28-O-[α-L-rhamnopyranosyl-(1→4)-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl] hederagenin; (3β,4α)-3-[[2-O-(6-Deoxy-α-L-mannopyranosyl)-α-L-arabinopyranosyl]oxy]-23-hydroxyolean-12-en-28-oic acid O-6-deoxy-α-L-mannopyranosyl-(1→4)-O-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl ester
EINECS	Contact for details

Quality Control

Every batch of Staunoside E is produced and analyzed under strict quality management systems. Our products undergo rigorous quality testing, including advanced chromatographic methods, to ensure compliance with industry standards for purity and identity. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under anhydrous conditions. For long-term storage, consider desiccant in the container or storage under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (HPLC)	≥95.0%
Loss on Drying	≤5.0%
Residue on Ignition	≤1.0%
Heavy Metals	≤20 ppm

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