Description

Hydroxytanshinone Iia CAS NO 18887-18-8 is a bioactive diterpenoid quinone compound, a key active constituent isolated from the traditional medicinal herb *Salvia miltiorrhiza* (Danshen). This high-purity reference standard is critical for ensuring the quality, efficacy, and consistency of research and product development. It is primarily sought by professionals in the pharmaceutical, nutraceutical, and advanced research sectors for its significant pharmacological potential.

Application

• Pharmaceutical Reference Standard: Used as a certified reference material (CRM) for the quality control and standardization of Danshen extracts and related herbal preparations.
• Biomedical Research: Employed in pharmacological studies to investigate its effects on cardiovascular health, anti-inflammatory pathways, and potential anti-cancer properties.
• Natural Product Development: Serves as a key marker compound in the formulation and standardization of herbal supplements and nutraceuticals targeting circulatory support.
• Analytical Chemistry: Utilized as a high-purity standard for method development and validation in HPLC, LC-MS, and other chromatographic analyses.
• Academic Research: Essential for university and institutional research into the biochemistry and mechanisms of action of natural diterpenoids.

Basic Information

Product Name	Hydroxytanshinone Iia
CAS No.	18887-18-8
Molecular Formula	C₁₉H₁₈O₄
Molecular Weight	310.34 g/mol
Synonyms	Hydroxytanshinone IIA; 1,6-Dimethyl-8,9-dihydro-7H-naphtho[1,2-g][1]benzofuran-6,10,11-trione; Tanshinone VI; (+)-Hydroxytanshinone IIa; Przewaquinone B; Danshenol B; 15,16-Dihydrotanshinone I; 1,2,6,7,8,9-Hexahydro-1,6-dimethyl-3H-naphtho[1,2,3-ij][1]benzopyran-3,10,11-trione
EINECS	Contact for details

Quality Control

Our Hydroxytanshinone Iia is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity confirmation and identity verification by spectroscopic methods (IR, MS, NMR). We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with research-grade standards. Our quality system is designed to meet the rigorous demands of reference material applications.

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 compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Orange to red crystalline 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.