Description

Urdamycin B CAS NO 104542-46-3 is a specialized ansamycin-class antibiotic compound, primarily recognized for its potent biological activity. This compound is of significant interest in pharmaceutical research and development due to its role as a key intermediate and a lead structure for novel therapeutics. It is essential for researchers and manufacturers in the life sciences sector, particularly those focused on oncology, infectious disease, and antibiotic discovery. Its unique molecular framework makes it a valuable tool for biochemical studies and the synthesis of more complex drug candidates.

Application

• Pharmaceutical Research & Development: Serves as a critical reference standard and a lead compound in the discovery of new antibiotics and anticancer agents.
• Biochemical Studies: Used as a molecular probe to investigate bacterial RNA polymerase inhibition and other specific biological pathways.
• Academic Research: Employed in university and institutional labs for studying the structure-activity relationships (SAR) of ansamycin antibiotics.
• Contract Manufacturing (CMO): Supplied as a high-purity intermediate for the custom synthesis of advanced pharmaceutical ingredients (APIs).
• Antibiotic Resistance Studies: Utilized in research programs aimed at overcoming multidrug-resistant bacterial strains.

Basic Information

Product Name	Urdamycin B
CAS No.	104542-46-3
Molecular Formula	C34H43NO12
Molecular Weight	657.71 g/mol
Synonyms	Urdamycin B; Antibiotic Urdamycin B; Benzo[a]naphthacene-8,13-dione, 1,2,3,4,6,11,12,12a-octah-10-hydroxy-1,2,3,4,6,11-hexamethoxy-12a-methyl-, (12aS)-; (12aS)-10-Hydroxy-1,2,3,4,6,11-hexamethoxy-12a-methyl-1,2,3,4,6,11,12,12a-octahydrobenzo[a]naphthacene-8,13-dione
EINECS	Contact for details

Quality Control

Our Urdamycin B is produced under strict quality management systems to ensure batch-to-batch consistency and high purity for research applications. Each lot undergoes comprehensive analytical testing, including HPLC for purity determination and spectroscopic methods for structural confirmation. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting the exact specifications and test results. We support compliance with relevant research and development standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term storage, consider desiccants or inert atmosphere conditions.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 0.5%

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