Description

Isotanshinone Ii CAS NO 98249-39-9 is a high-purity diterpenoid quinone compound, a key bioactive constituent derived from *Salvia miltiorrhiza* (Danshen). This compound is valued for its significant research and development potential in the pharmaceutical and nutraceutical sectors. It is primarily sought by manufacturers and research institutions focused on cardiovascular health, anti-inflammatory agents, and other therapeutic applications.

Application

• Pharmaceutical Intermediate: Serves as a critical starting material or reference standard in the synthesis and development of novel cardiovascular and anti-inflammatory drugs.
• Reference Standard: Used in analytical laboratories for the quality control and standardization of Danshen extracts and related herbal products via HPLC or LC-MS methods.
• Nutraceutical Formulation: Incorporated into high-end dietary supplements targeting circulatory health and antioxidant support, following appropriate regulatory pathways.
• Biochemical Research: Employed in *in vitro* and *in vivo* studies to investigate mechanisms of action related to its bioactive properties.
• Cosmeceutical Ingredient: Utilized in advanced skincare formulations for its potential antioxidant and anti-inflammatory benefits.

Basic Information

Product Name	Isotanshinone Ii
CAS No.	98249-39-9
Molecular Formula	C₁₈H₁₂O₃
Molecular Weight	276.29 g/mol
Synonyms	Isotanshinone II; (R)-1,6-Dimethyl-8,9-dihydro-7H-naphtho[8,7-g]benzofuran-6,11,12-trione; 1,2,6,7,8,9-Hexahydro-1,6-dimethyl-3H-naphtho[2,1-g]benzofuran-10,11,12-trione; Danshen extract constituent; Isotanshinone B; Tanshinone derivative.
EINECS	Contact for details

Quality Control

Our Isotanshinone Ii is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the stringent requirements for research and production use. A Certificate of Analysis (COA) detailing all specifications 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 light-sensitive and easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen or argon) to maintain optimal stability and purity.

Specification

Item	Specification
Appearance	Reddish-brown to brown crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.2%
Heavy Metals (as Pb)	≤ 20 ppm

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