Description

Praeruptorin B is a bioactive coumarin derivative isolated from plants of the *Peucedanum* genus. 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 utilized by the pharmaceutical, nutraceutical, and academic research sectors for its potential biological activities.

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 more complex drug candidates targeting various therapeutic areas.
• Biochemical Research: Employed in in vitro and in vivo studies to investigate its pharmacological properties, such as anti-inflammatory or cardiovascular effects.
• Natural Product Isolation & Standardization: Acts as a marker compound for the standardization and authentication of botanical raw materials and dietary supplements.
• Academic & Institutional Research: Used in universities and research institutes for fundamental studies on natural product chemistry and bioactivity.

Basic Information

Product Name	Praeruptorin B
CAS No.	81740-07-0
Molecular Formula	C₂₁H₂₂O₇
Molecular Weight	386.40 g/mol
Synonyms	Pd-Ib; (+)-Praeruptorin B; (3'S,4'S)-3',4'-Disenecioyloxy-3',4'-dihydroseselin; Praeruptorin B (Pd-Ib); 3',4'-Di-O-angeloyl-cis-khellactone; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our Praeruptorin B is produced and tested under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, MS), to ensure it meets the stringent requirements for research and development use. Certificates of Analysis (COA) with detailed chromatographic data are provided for 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. Keep the container sealed to protect the product from moisture.

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.