Description

Nobotanin B CAS NO 104696-16-4 is a specific hydrolyzable tannin compound belonging to the ellagitannin class. This high-purity phytochemical is valued for its potent biological activity and serves as a critical reference standard and active ingredient. It is primarily sought by research institutions and manufacturers in the pharmaceutical, nutraceutical, and cosmetic industries for product development and quality control.

Application

• Pharmaceutical Research & Development: Used as a reference standard and active pharmaceutical ingredient (API) in studies targeting antioxidant, anti-inflammatory, and anticancer activities.
• Nutraceutical Formulations: Incorporated into dietary supplements and functional foods for its potential health-promoting properties.
• Cosmetic & Skincare Products: Utilized in anti-aging and protective formulations due to its antioxidant and skin-conditioning effects.
• Biochemical Research: Serves as a key reagent in enzymatic studies and metabolic pathway analysis related to polyphenol chemistry.
• Quality Control & Standardization: Acts as a primary standard for the HPLC quantification of tannins in botanical extracts and finished products.

Basic Information

Product Name	Nobotanin B
CAS No.	104696-16-4
Molecular Formula	C₈₂H₅₄O₅₂
Molecular Weight	1871.2 g/mol
Synonyms	Nobotanin B; Nobotanin-B; 1,2,3,4,6-Penta-O-galloyl-β-D-glucose dimer; Tellimagrandin II dimer; Rugosin D; Casuarictin dimer
EINECS	Contact for details

Quality Control

Our Nobotanin B is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and manufacturing. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C under inert atmosphere. This product is hygroscopic (moisture-sensitive) and easily oxidized, requiring careful handling to maintain stability and purity.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
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.