Description

Stevia Impurity (13-[(2-o-6-Deoxy-β-D-Glucopyranosyl-3-o-β-D-Glucopyranosyl-β-D-Glucopyranosyl)Oxy]Ent-Kaur-16-En-19-Oic Acid β-D-Glucopyranosyl Ester) is a high-purity chemical reference standard critical for analytical and quality control purposes. This compound is essential for the accurate identification, quantification, and monitoring of related substances in steviol glycoside products, ensuring product safety and regulatory compliance. It is primarily needed by analytical laboratories, quality assurance departments, and research institutions within the pharmaceutical, food & beverage, and nutraceutical industries.

Application

• Analytical Reference Standard: Used as a primary standard in HPLC, UPLC, and LC-MS methods for the quantification of impurities in stevia extracts and sweeteners.
• Pharmaceutical Impurity Profiling: Critical for method development and validation in the analysis of steviol glycosides used as pharmaceutical excipients or active ingredients.
• Food Safety & Quality Control: Enables compliance with international food safety standards (e.g., JECFA, FCC) by ensuring stevia-based sweeteners meet specified purity criteria.
• Research & Development: Supports metabolic studies, stability testing, and the synthesis of novel stevia derivatives in academic and industrial R&D settings.
• Regulatory Compliance & Documentation: Provides essential data for regulatory submissions to agencies like the FDA, EMA, and others requiring detailed impurity characterization.
• Calibration & System Suitability: Serves as a system suitability test compound to ensure the performance and precision of chromatographic systems.

Basic Information

Item	Detail
Product Name	Stevia Impurity (13-[(2-o-6-Deoxy-β-D-Glucopyranosyl-3-o-β-D-Glucopyranosyl-β-D-Glucopyranosyl)Oxy]Ent-Kaur-16-En-19-Oic Acid β-D-Glucopyranosyl Ester)
CAS No.	1309929-72-3
Molecular Formula	C56H90O31
Molecular Weight	1283.30 g/mol
Synonyms	13-[(2-O-6-Deoxy-β-D-glucopyranosyl-3-O-β-D-glucopyranosyl-β-D-glucopyranosyl)oxy]ent-kaur-16-en-19-oic acid β-D-glucopyranosyl ester; Reb D Impurity; Stevioside-related compound; Steviol glycoside impurity; 13-[(2-O-(6-Deoxy-α-L-mannopyranosyl)-3-O-β-D-glucopyranosyl-β-D-glucopyranosyl)oxy]kaur-16-en-19-oic acid β-D-glucopyranosyl ester (alternative stereochemistry); Ent-13-[(2-O-(6-deoxy-β-D-glucopyranosyl)-3-O-β-D-glucopyranosyl-β-D-glucopyranosyl)oxy]kaur-16-en-19-oic acid β-D-glucopyranosyl ester
EINECS	Contact for details

Quality Control

Our Stevia Impurity standard is manufactured under strict quality management systems. Each batch undergoes rigorous identity confirmation and purity analysis using advanced techniques including HPLC, NMR, and Mass Spectrometry. We provide comprehensive Certificates of Analysis (COA) with detailed chromatographic data, ensuring traceability and compliance with ICH Q3A/B guidelines for impurity reporting. Our quality commitment supports your needs for reliable reference materials in GMP/GLP environments.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry environment. The product is light-sensitive; prolonged exposure to light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Retention time corresponds to reference standard
Identification (MS)	Mass spectrum conforms to structure
Purity (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Residual Solvents (GC)	Complies with ICH limits
Water Content (KF)	≤ 5.0%

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