Description

(19R)-5β,19-Epoxy-19-Methoxycucurbita-6,23-Diene-3β,25-Diol is a high-purity, structurally defined cucurbitane-type triterpenoid derivative. This compound is of significant interest for its role as a key intermediate in advanced pharmaceutical research and the synthesis of bioactive natural product analogs. It is primarily utilized by research institutions and development laboratories in the life sciences sector, particularly those focused on oncology, metabolic disorders, and novel therapeutic agent discovery.

Application

• Pharmaceutical Intermediate: Serves as a critical building block for the synthesis of novel drug candidates and analogs of bioactive natural products.
• Biochemical Research: Used as a reference standard or probe in studies investigating enzyme inhibition, receptor binding, and signal transduction pathways.
• Natural Product Chemistry: Essential for the semi-synthesis and structural modification of complex triterpenoids to explore structure-activity relationships (SAR).
• Academic & Institutional R&D: Employed in university and government laboratories for fundamental research in organic chemistry and medicinal chemistry.
• Preclinical Development: Supports early-stage drug discovery programs requiring high-purity, well-characterized chemical entities for in vitro and in vivo testing.

Basic Information

Product Name	(19R)-5β,19-Epoxy-19-Methoxycucurbita-6,23-Diene-3β,25-Diol
CAS No.	332950-28-4
Molecular Formula	C31H48O4
Molecular Weight	484.72 g/mol
Synonyms	19-Methoxy-5β,19-epoxycucurbita-6,23-diene-3β,25-diol; (19R)-19-Methoxy-5β,19-epoxycucurbita-6,23-diene-3β,25-diol; Cucurbitacin derivative; Triterpenoid epoxy ether; 5β,19-Epoxy-19-methoxycucurbita-6,23-diene-3β,25-diol; (19R)-5β,19-Epoxy-19-methoxycucurbita-6,23-diene-3β,25-diol; 332950-28-4
EINECS	Contact for details

Quality Control

Every batch of (19R)-5β,19-Epoxy-19-Methoxycucurbita-6,23-Diene-3β,25-Diol is produced and analyzed under strict quality management protocols. Our products undergo rigorous quality testing, including chromatographic purity analysis and structural confirmation, to ensure compliance with research-grade standards. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and analytical methods is provided with each shipment and is 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. For long-term storage, consider storing under an inert atmosphere at -20°C.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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