Description

Qianhucoumarin A is a specialized coumarin derivative, a class of compounds known for their diverse biological activities and structural significance. This high-purity reference standard is critical for research and development in the life sciences, providing a reliable benchmark for analytical and pharmacological studies. It is primarily utilized by pharmaceutical R&D teams, analytical laboratories, and academic institutions focused on natural product chemistry and drug discovery.

Application

• Pharmaceutical Reference Standard: Serves as a certified standard for the identification, purity assessment, and quantification of Qianhucoumarin A in research samples and quality control protocols.
• Bioactivity Research: Used in in vitro and in vivo studies to investigate potential pharmacological properties, such as anti-inflammatory, antioxidant, or anticancer effects.
• Natural Product Analysis: Essential for the isolation, characterization, and standardization of extracts from the Qianhu (Peucedanum praeruptorum) plant and related botanical sources.
• Method Development & Validation: Employed as an analytical standard to develop and validate chromatographic methods (e.g., HPLC, LC-MS) for complex natural product matrices.
• Chemical Synthesis Intermediate: Acts as a key building block or precursor for the semi-synthesis of novel coumarin-based compounds with tailored biological functions.

Basic Information

Product Name	Qianhucoumarin A
CAS No.	150135-35-6
Molecular Formula	C24H26O7
Molecular Weight	426.46 g/mol
Synonyms	Praeruptorin E; (±)-Praeruptorin E; 3',4'-Di-O-acetylkhellactone; 3'-Acetyl-4'-angeloylkhellactone; 3'-Acetyl-4'-(2-methylbut-2-enoyl)khellactone; (3'S,4'S)-3',4'-Di(acetyloxy)-3',4'-dihydroseselin; 6-(3-Acetoxy-2,3-dimethylbutyl)-7-hydroxycoumarin 7-angelate (various naming conventions).
EINECS	Contact for details

Quality Control

Every batch of Qianhucoumarin A is manufactured and analyzed under strict quality management protocols to ensure identity, purity, and consistency. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing batch-specific results for identity, assay, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry environment. The compound is light-sensitive; prolonged exposure to light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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