Description

Xantocillin is a naturally occurring antibiotic compound derived from *Penicillium notatum*. This product is valued for its specific biological activity and serves as a key reference standard and research chemical in the life sciences. It is primarily utilized by pharmaceutical R&D laboratories, academic research institutions, and biotechnology companies. Our supply ensures high purity and batch-to-batch consistency for critical experimental and analytical work.

Application

• Antibiotic Research: Used as a reference standard in studies exploring the mechanism of action and structure-activity relationships (SAR) of early penicillin-derived antibiotics.
• Pharmaceutical Development: Serves as a key intermediate or starting material in the synthesis and development of novel antimicrobial agents.
• Microbiological Assays: Employed in laboratory assays to test bacterial susceptibility and to calibrate antimicrobial testing systems.
• Academic & Historical Studies: Used in educational and historical research contexts to study the evolution and chemistry of early antibiotic discovery.
• Biochemical Pathway Analysis: A tool for investigating biosynthetic pathways in fungi and the production of secondary metabolites.

Basic Information

Product Name	Xantocillin
CAS No.	580-74-5
Molecular Formula	C28H22N2O6
Molecular Weight	482.48 g/mol
Synonyms	Xantocillin; Xanthocillin; Xantocillin X; Notatin (obsolete); Antibiotic 356; NSC 82151; 2,2'-(1,4-Phenylenebis(oxy))bis(3-methyl-4-isocyanato-1-azabuta-1,3-diene) (IUPAC)
EINECS	Contact for details

Quality Control

Our Xantocillin is produced and handled under strict quality management protocols to ensure identity, purity, and stability. Each batch is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Single Unknown Impurity	≤ 1.0%

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