Description

3-Oxomarrubiin is a diterpenoid lactone compound, a key oxidized derivative of marrubiin. This compound matters as a high-purity reference standard and a valuable intermediate for pharmaceutical research and development, particularly in the study of bioactive natural products. It is needed by researchers and manufacturers in the pharmaceutical, biotechnology, and nutraceutical industries for analytical, synthetic, and pharmacological applications.

Application

• Pharmaceutical Reference Standard: Used as a certified standard for the identification, purity testing, and quantification of marrubiin and related diterpenoids in raw materials and finished products.
• Bioactive Compound Research: Serves as a crucial intermediate or target molecule in pharmacological studies investigating anti-inflammatory, antioxidant, and metabolic activities.
• Natural Product Synthesis: Acts as a key synthetic building block or precursor in the semi-synthesis or total synthesis of complex diterpenoid analogs.
• Analytical Chemistry: Employed in method development and validation for chromatographic techniques (HPLC, LC-MS) in herbal extract analysis.
• Nutraceutical Development: Used in the research and quality control of standardized herbal extracts intended for dietary supplements.

Basic Information

Product Name	3-Oxomarrubiin
CAS No.	19898-90-9
Molecular Formula	C20H28O5
Molecular Weight	348.43 g/mol
Synonyms	3-Oxomarrubiin; Marrubiin-3-one; 15,16-Epoxy-6β,9α-dihydroxy-13(16),14-labdadien-3,11-dione; (4aR,5S,6R,8aR)-5-(2-((2R,5R)-5-Ethenyl-5-methyltetrahydrofuran-2-yl)ethyl)-6-hydroxy-4a,8a-dimethyl-4,4a,5,6,7,8,8a,9-octahydronaphtho[2,3-b]furan-2,8(3H)-dione
EINECS	Contact for details

Quality Control

Our 3-Oxomarrubiin is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, MS). We provide full traceability and Certificates of Analysis (COA) are available for every shipment, ensuring compliance with research-grade material standards.

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 crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 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.