Description

(+)-Rubiginone B2 CAS NO 130548-10-6 is a high-purity, optically active naphthoquinone derivative of significant interest in advanced organic synthesis and pharmaceutical research. This compound serves as a critical chiral building block and a valuable reference standard for the development of novel bioactive molecules. It is primarily sought after by research and development teams in the pharmaceutical, agrochemical, and fine chemical industries for applications in asymmetric synthesis, medicinal chemistry, and natural product studies.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Medicinal Chemistry Research: Used as a reference standard and a core scaffold for structure-activity relationship (SAR) studies and biological screening.
• Asymmetric Synthesis: Employed as a chiral building block or ligand in catalytic asymmetric reactions to induce stereoselectivity.
• Natural Product Synthesis: A crucial intermediate in the total synthesis of complex natural products containing naphthoquinone motifs.
• Biochemical Research: Investigated for its potential biological activities and interactions with enzymes or cellular targets.
• Agrochemical Development: Explored as a lead compound or intermediate for developing new crop protection agents with specific modes of action.

Basic Information

Item	Details
Product Name	(+)-Rubiginone B2
CAS No.	130548-10-6
Molecular Formula	C15H12O4
Molecular Weight	256.25 g/mol
Synonyms	(+)-Rubiginone B2; (R)-Rubiginone B2; (R)-3,8-Dihydroxy-6-methoxy-1-methyl-9,10-anthraquinone; 3,8-Dihydroxy-6-methoxy-1-methyl-9,10-anthracenedione; Rubiginone B2; NSC 339588; 1-Methyl-3,8-dihydroxy-6-methoxyanthraquinone
EINECS	Contact for details

Quality Control

Our (+)-Rubiginone B2 is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity determination, chiral analysis to confirm optical purity, and spectroscopic identification (NMR, IR, MS). A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes. We adhere to cGMP principles for research-grade materials to support our clients' regulatory and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to prevent oxidation and degradation. Keep the container in a cool, dry, and well-ventilated area away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Optical Purity (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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