Description

Senkyunolide O is a bioactive phthalide compound, a key constituent derived from the traditional Chinese medicinal herb *Ligusticum chuanxiong* Hort. (Chuanxiong). This compound is of significant interest for its distinct chemical structure and associated biological activities, making it a valuable reference standard and research material. It is primarily sought by researchers and developers in the pharmaceutical, nutraceutical, and natural product chemistry sectors for drug discovery, quality control of herbal extracts, and pharmacological studies.

Application

• Pharmaceutical Reference Standard: Used as a high-purity certified standard for the identification and quantification of Senkyunolide O in raw materials, finished herbal products, and pharmacokinetic studies.
• Bioactivity and Mechanism Research: Employed in *in vitro* and *in vivo* studies to investigate its potential pharmacological effects, including anti-inflammatory, neuroprotective, and cardiovascular activities.
• Herbal Medicine Quality Control: Serves as a marker compound for the standardization and authentication of *Ligusticum chuanxiong* extracts and related traditional medicine formulations.
• Natural Product Synthesis & Derivatization: Acts as a lead compound or intermediate for the semi-synthesis of novel analogs with optimized biological properties.
• Analytical Method Development: Utilized in the development and validation of analytical methods such as HPLC, LC-MS, and GC-MS for the detection of phthalides.

Basic Information

Product Name	Senkyunolide O
CAS No.	142797-35-1
Molecular Formula	C12H14O3
Molecular Weight	206.24 g/mol
Synonyms	Senkyunolide O; (3Z)-3-Butylidene-4,5-dihydro-7-hydroxy-6-methoxy-1(3H)-isobenzofuranone; 3-Butylidene-7-hydroxy-6-methoxyphthalide; Ligustilide derivative; Phthalide from Ligusticum chuanxiong
EINECS	Contact for details

Quality Control

Our Senkyunolide O is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment and spectroscopic methods (NMR, MS) for structural confirmation, to ensure it meets the high standards required for research and development. A Certificate of Analysis (COA) detailing batch-specific results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry, well-ventilated area. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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