Description

Chinensin CAS NO 31888-76-3 is a high-purity, specialized chemical compound belonging to the lignan class of natural products. This compound is valued for its role as a key intermediate and reference standard in advanced pharmaceutical research and development. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, biotechnology, and nutraceutical sectors for applications in drug discovery, metabolic studies, and the synthesis of bioactive molecules.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of novel therapeutic agents and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard and probe in studies of metabolic pathways, enzyme inhibition, and pharmacological activity.
• Natural Product Chemistry: Employed in the isolation, characterization, and semi-synthesis of complex lignan derivatives.
• Analytical Standard: Provides a high-purity benchmark for quality control and method validation in HPLC, LC-MS, and other analytical techniques.
• Nutraceutical Development: Investigated for potential applications in the formulation of dietary supplements and functional food ingredients.

Basic Information

Product Name	Chinensin
CAS No.	31888-76-3
Molecular Formula	C₂₁H₂₂O₆
Molecular Weight	370.40 g/mol
Synonyms	Chinensin; Justicidin B; Diphyllin; Taiwaniaquinol B; 5'-Methoxyjusticidin B; (-)-Chinensin; (7'R,8'R)-4,4',5,5',7'-Pentamethoxy-8,2'-oxylignan-7-ol; NSC 350986
EINECS	Contact for details

Quality Control

Our Chinensin is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR, MS), to ensure it meets the stringent requirements for research and development. 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 controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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