Description

Steffimycin B is a specialized antibiotic compound belonging to the anthracycline class, identified by CAS No. 54526-94-2. This product is valued in research and development for its potent biological activity, particularly as a lead compound in the study of novel antimicrobial and antitumor agents. It is primarily utilized by pharmaceutical R&D laboratories, biotechnology companies, and academic institutions engaged in drug discovery and biochemical research.

Application

• Pharmaceutical Research & Development: Serves as a critical reference standard and active pharmaceutical ingredient (API) intermediate in the discovery of new antibiotic and anticancer therapies.
• Biochemical Studies: Used to investigate mechanisms of action against bacterial strains and to study DNA intercalation and topoisomerase inhibition.
• Microbiology Research: Employed as a tool compound in assays to evaluate antimicrobial efficacy and resistance patterns.
• Academic Research: Utilized in university and institutional labs for fundamental studies on anthracycline biosynthesis, structure-activity relationships (SAR), and molecular pharmacology.
• Standards and Controls: Acts as a high-purity analytical standard for quality control and method development in HPLC and LC-MS analysis within contract research organizations (CROs).

Basic Information

Product Name	Steffimycin B
CAS No.	54526-94-2
Molecular Formula	C30H32O11
Molecular Weight	568.57 g/mol
Synonyms	Steffimycin B; 5,12-Dihydroxy-4a,10a-dihydro-4H,6H-tetracene-6,11-dione, 4a,5,12,12a-tetrahydro-4a,7,10,12a-tetrahydroxy-1,2,3,4-tetrahydro-6-methyl-, (4aS,12aS)-; Antibiotic MA 144 B1; MA 144 B1; NSC 329514; U 30604
EINECS	Contact for details

Quality Control

Our Steffimycin B is produced under strict quality management protocols to ensure high purity and batch-to-batch consistency, suitable for sensitive research applications. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. 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 (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Related Substances (HPLC)	Total impurities ≤ 3.0% Any single impurity ≤ 1.0%

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