Description

trans-Astringin CAS NO 29884-49-9 is a high-purity stilbene derivative, specifically a glucoside of resveratrol, valued for its potent biological activity. This compound serves as a critical reference standard and active ingredient in advanced research and product development. It is essential for industries focused on nutraceuticals, pharmaceuticals, and high-value cosmetic formulations where precise bioactive components are required.

Application

• Pharmaceutical Research: Used as a key reference standard and active pharmaceutical ingredient (API) in the development of cardioprotective, neuroprotective, and anti-inflammatory drugs.
• Nutraceutical Formulations: Incorporated into dietary supplements for its antioxidant properties and potential health benefits associated with resveratrol analogs.
• Cosmetic Science: Employed in premium skincare products for its anti-aging and skin-protective effects, leveraging its antioxidant capacity.
• Biochemical Research: Serves as a crucial tool in studying stilbene biosynthesis, metabolic pathways, and biological mechanisms in vitro and in vivo.
• Quality Control Laboratories: Acts as a certified reference material (CRM) for the assay and identification of resveratrol and its derivatives in raw materials and finished products.

Basic Information

Product Name	trans-Astringin
CAS No.	29884-49-9
Molecular Formula	C20H22O9
Molecular Weight	406.38 g/mol
Synonyms	trans-Piceid; (E)-Piceid; (E)-Resveratrol 3-O-β-D-glucopyranoside; 3,4',5-Trihydroxystilbene 3-β-D-glucoside; Resveratrol 3-O-glucoside; Astringin; trans-Resveratrol-3-O-β-glucoside
EINECS	Contact for details

Quality Control

Our trans-Astringin is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and commercial use. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to prevent oxidation and ensure long-term stability. The container should be kept in a cool, dry, and well-ventilated area.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Assay (HPLC)	≥98.0%
Related Substances (HPLC)	Total impurities ≤2.0%
Water Content (KF)	≤1.0%
Residual Solvents (GC)	Complies with ICH guidelines
Heavy Metals	≤10 ppm

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