Description

Qianhucoumarin E CAS NO 156041-02-0 is a specific, high-purity coumarin derivative isolated from traditional medicinal plants. This compound is valued for its role as a key reference standard and active pharmaceutical ingredient (API) intermediate in research and development. It is primarily sought by pharmaceutical, nutraceutical, and advanced chemical synthesis industries for its bioactive properties.

Application

• Pharmaceutical Reference Standard: Used for the qualitative and quantitative analysis of herbal extracts and finished products in quality control laboratories.
• Active Pharmaceutical Ingredient (API) Intermediate: Serves as a critical building block in the synthesis of novel therapeutic agents.
• Biochemical Research: Employed in in vitro and in vivo studies to investigate pharmacological activities, including anti-inflammatory and antioxidant effects.
• Nutraceutical and Cosmetic Formulations: Incorporated into high-end products for its potential bioactive benefits.
• Analytical Chemistry: Used as a calibration standard in advanced chromatographic (HPLC, LC-MS) methodologies.

Basic Information

Product Name	Qianhucoumarin E
CAS No.	156041-02-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Qianhu Coumarin E; Peucedanum praeruptorum coumarin E; (3'S,4'S)-3'-angeloyloxy-4'-acetoxy-3',4'-dihydroseselin; Praeruptorin E; Pd-Ib; Decursinol angelate isomer; Angular-type dihydropyranocoumarin
EINECS	Contact for details

Quality Control

Every batch of Qianhucoumarin E is produced and tested under a strict quality management system. Our products undergo rigorous identity, purity, and impurity profile testing using techniques including HPLC, NMR, and MS to ensure compliance with research and pharmaceutical-grade standards. A comprehensive Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and specification adherence.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions 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%
Heavy Metals	≤ 10 ppm

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