Description

Cepharanthine CAS NO 481-49-2 is a naturally occurring bisbenzylisoquinoline alkaloid derived from the plant *Stephania cepharantha* Hayata. This compound is valued for its unique pharmacological profile and serves 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 immunology, virology, and oncology studies.

Application

• Pharmaceutical Research & Development: Used as a reference standard and active pharmaceutical ingredient (API) in preclinical studies.
• Immunomodulation Studies: Investigated for its potential to modulate immune cell function and cytokine production.
• Antiviral Research: Studied for activity against various viruses, including SARS-CoV-2 and other enveloped viruses.
• Oncology Research: Explored for potential anti-cancer properties, including effects on cell proliferation and apoptosis.
• Anti-inflammatory Applications: Used in research targeting inflammatory pathways and conditions.
• Chemical Synthesis: Serves as a sophisticated starting material or intermediate for the synthesis of novel chemical entities.
• Biochemical Assays: Employed as a specific inhibitor or modulator in enzymatic and cellular assay systems.

Basic Information

Product Name	Cepharanthine
CAS No.	481-49-2
Molecular Formula	C37H38N2O6
Molecular Weight	606.71 g/mol
Synonyms	Cepharanthine; (+)-Cepharanthine; NSC-623442; O-Methylcepharanthine; Cepharanthin; Cepharanthin A; Biscoclaurine; 6,12'-Dimethyl-2,2'-bis(1,3-benzodioxol-5-yl)-7,8,7',8'-tetrahydro-1H,1'H-5,5'-bibenzo[d][1,3]dioxolo[4,5-g:4',5'-g']diquinolizine-3,3',9,9'-tetraone
EINECS	207-571-5

Quality Control

Our Cepharanthine is produced and tested under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, identity confirmation by IR and MS, and residual solvent analysis, to ensure it meets high-purity standards suitable for research and pharmaceutical applications. A detailed Certificate of Analysis (COA) is provided with every shipment.

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 product is hygroscopic (moisture-sensitive) and light-sensitive; ensure the container is kept sealed in a desiccated environment away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Assay (HPLC)	≥98.0%
Loss on Drying	≤1.0%
Residue on Ignition	≤0.1%
Heavy Metals	≤20 ppm
Residual Solvents (GC)	Complies with ICH Q3C guidelines

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