Description

Nobotanin K CAS NO 119683-39-5 is a high-purity, specialized tannin compound derived from natural sources. This product is valued for its potent antioxidant and protein-binding properties, making it a critical functional ingredient in advanced formulations. It serves key roles in the pharmaceutical, nutraceutical, and cosmetic industries, where precise biological activity and material compatibility are required.

Application

• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and as a stabilizing agent in drug formulations.
• Dietary Supplements & Nutraceuticals: Incorporated as a natural antioxidant and bioactive component in health supplement products.
• Cosmetic & Personal Care: Functions as a natural astringent and preservative booster in skin care, anti-aging, and oral hygiene formulations.
• Biochemical Research: Serves as a standard or reagent in laboratory studies focusing on polyphenol chemistry, enzyme inhibition, and antioxidant assays.
• Food & Beverage (Technical Grade): Employed as a clarifying agent and for flavor modification in specialized beverage processing.
• Industrial Applications: Acts as a natural corrosion inhibitor or tanning agent in niche material science and leather processing applications.

Basic Information

Product Name	Nobotanin K
CAS No.	119683-39-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Nobotanin K; Nobotanin K (CAS 119683-39-5); Tannin compound K; Ellagitannin K; 1-O-Galloyl-2,3;4,6-bis-O-(S)-hexahydroxydiphenoyl-β-D-glucose; Hydrolyzable tannin K
EINECS	Contact for details

Quality Control

Our Nobotanin K is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and reliability. We provide comprehensive analytical documentation, including Certificates of Analysis (COA) with detailed HPLC purity data, to support your regulatory and R&D requirements. Specifications can be tailored to meet the standards of pharmaceutical (GMP) and nutraceutical applications.

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 material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed in a low-humidity environment to maintain stability and prevent degradation.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Microbiological Analysis	Meets standard limits for specified grade

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