Description

Tetrandrine, (Dl) CAS NO 23495-89-8 is a bisbenzylisoquinoline alkaloid derived from the roots of *Stephania tetrandra* and other plants. This compound is valued for its significant pharmacological activity, serving as a key reference standard and active pharmaceutical ingredient (API) in research and development. It is primarily sought by the pharmaceutical, biotechnology, and academic research sectors for applications in cardiovascular, anti-inflammatory, and anti-cancer studies.

Application

• Pharmaceutical Reference Standard: Used for the identification, purity testing, and quantification in analytical methods like HPLC and LC-MS.
• Active Pharmaceutical Ingredient (API): Serves as a key component in the formulation of investigational drugs targeting calcium channel blockade.
• Biomedical Research: Employed in *in vitro* and *in vivo* studies to investigate its effects on hypertension, inflammation, and tumor cell proliferation.
• Natural Product Isolation & Analysis: Acts as a benchmark compound for the extraction and quality control of herbal medicines containing bisbenzylisoquinoline alkaloids.
• Biochemical Pathway Studies: Utilized to study cellular signaling pathways, particularly those involving calcium ion channels and apoptosis.

Basic Information

Product Name	Tetrandrine, (Dl)
CAS No.	23495-89-8
Molecular Formula	C38H42N2O6
Molecular Weight	622.75 g/mol
Synonyms	Hanfangchin A; Tetrandrine (DL-form); (+/-)-Tetrandrine; NSC-77037; Fanchinin; (1S,1'S)-2,2'-Dimethyl-6,6',7,7'-tetramethoxy-1,1'-bis(1,3-benzodioxol-5-ylmethyl)-1,1',2,2'-tetrahydro-3,3'-bibenzo[a]quinolizine; 6,6',7,7'-Tetramethoxy-2,2'-dimethylberbaman
EINECS	Contact for details

Quality Control

Our Tetrandrine is produced and tested under strict quality management systems. Each batch is analyzed to ensure it meets high-purity standards suitable for pharmaceutical research. Comprehensive testing includes identification, assay, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; ensure the container is kept sealed in a desiccated environment away from direct light exposure to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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