Description

Astragaloside Ii is a high-purity, bioactive saponin compound isolated from the roots of *Astragalus membranaceus*. This specific phytochemical is valued for its role as a key reference standard in analytical research and as a critical ingredient in the development of high-end nutraceutical and pharmaceutical formulations. It is primarily sought by manufacturers and research institutions in the life sciences sector for its consistent quality and biological relevance.

Application

• Pharmaceutical Reference Standard: Used as a certified reference material (CRM) for the quality control and standardization of herbal extracts and finished products.
• Nutraceutical Formulations: Incorporated into dietary supplements and functional foods aimed at supporting immune function and vitality.
• Biomedical Research: Serves as a key reagent in pharmacological studies investigating anti-inflammatory, anti-aging, and cardioprotective mechanisms.
• Cosmeceuticals: Used in advanced skincare products for its potential antioxidant and skin-rejuvenating properties.
• Herbal Extract Standardization: Essential for the assay and quantification of Astragaloside content in bulk *Astragalus* extracts to ensure potency and batch-to-batch consistency.

Basic Information

Product Name	Astragaloside Ii
CAS No.	84676-89-1
Molecular Formula	C₄₅H₇₂O₁₆
Molecular Weight	869.1 g/mol
Synonyms	Astragaloside II; Cycloastragenol 3-O-β-D-xylopyranosyl-6-O-β-D-glucopyranoside; (3β,6α,16β,20R,24S)-20,24-Epoxy-16,25-dihydroxy-9,19-cyclolanostan-3-yl 6-O-β-D-glucopyranosyl-β-D-xylopyranoside; Cyclosieversigenin 3,6-bisglycoside; Huang Qi Gan; Astraisoflavan
EINECS	Contact for details

Quality Control

Our Astragaloside Ii is produced and tested under strict quality management systems. Each batch is analyzed using advanced chromatographic techniques (HPLC, LC-MS) to ensure identity, purity, and the absence of residual solvents or heavy metals. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We can supply material compliant with in-house pharmacopeial standards for use as a reference substance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C for long-term stability. This product is hygroscopic (moisture-sensitive) and should be handled in a low-humidity environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Loss on Drying	≤2.0%
Residue on Ignition	≤0.5%
Heavy Metals (as Pb)	≤10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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