Description

Obtusin is a naturally occurring isoflavone compound, also known as Obtusin CAS NO 73618-74-3, valued for its distinct chemical structure and biological activity. This compound serves as a crucial reference standard and research-grade material for analytical and pharmacological studies. It is primarily sought by professionals in the pharmaceutical, nutraceutical, and academic research sectors for its role in quality control and investigative applications.

Application

• Pharmaceutical Reference Standard: Used for the identification, purity assessment, and quantification of related compounds in herbal extracts and finished products via HPLC and LC-MS.
• Biochemical Research: Serves as a key intermediate or active ingredient in studies exploring its pharmacological properties, including potential antioxidant and anti-inflammatory effects.
• Natural Product Isolation & Analysis: Acts as a marker compound in the quality control of botanical raw materials, such as Cassia species.
• Academic & Institutional Research: Utilized in universities and R&D laboratories for method development, metabolic studies, and structure-activity relationship (SAR) research.
• Nutraceutical Development: Investigated for incorporation into advanced dietary supplement formulations targeting specific health benefits.

Basic Information

Product Name	Obtusin
CAS No.	73618-74-3
Molecular Formula	C₁₇H₁₄O₆
Molecular Weight	314.29 g/mol
Synonyms	2-(3,4-Dimethoxyphenyl)-5,7-dihydroxy-6-methoxy-4H-1-benzopyran-4-one; 5,7-Dihydroxy-6,3',4'-trimethoxyisoflavone; 6-Methoxy-5,7,3',4'-tetrahydroxyisoflavone 3',4'-dimethyl ether; Cassiaside C aglycone; NSC 122079
EINECS	Contact for details

Quality Control

Our Obtusin is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC purity analysis and spectroscopic identification (IR, UV, MS), to ensure it meets the high standards required for research applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and other critical parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). This product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

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