Description

A-Factor (Streptomyces) CAS NO 51311-41-2 is a specialized autoregulatory factor, a butyrolactone derivative, that plays a critical role in the regulation of secondary metabolism and morphological differentiation in *Streptomyces* species. This compound is essential for researchers and industrial microbiologists aiming to control and enhance the production of valuable antibiotics and other secondary metabolites. It is primarily utilized in advanced life science research, fermentation process development, and the biotechnology sector for strain improvement and metabolic engineering.

Application

• Antibiotic Production Research: Used as a key signaling molecule to study and manipulate the regulatory pathways governing antibiotic biosynthesis in *Streptomyces*.
• Fermentation Process Optimization: Employed in industrial microbiology to induce or suppress specific metabolic pathways, optimizing yield and purity of target compounds.
• Strain Development & Genetic Engineering: Serves as a critical tool for developing overproducing microbial strains by understanding and exploiting autoregulatory mechanisms.
• Biochemical & Pharmacological Studies: Applied in fundamental research to investigate cell-to-cell communication, quorum sensing, and differentiation in bacteria.
• Reference Standard: Used as a high-purity analytical standard for quality control and method development in pharmaceutical and biotech laboratories.

Basic Information

Product Name	A-Factor (Streptomyces)
CAS No.	51311-41-2
Molecular Formula	C17H28O5
Molecular Weight	312.40 g/mol
Synonyms	(2R,3R)-1-(6-Methylheptanoyl)-3-[(1R)-1-methylpentyl]-4-oxooxetane-2-carboxylic acid; A-Factor; Autoregulatory Factor; Streptomyces griseus A-Factor; Butyrolactone Autoregulator; 2-(6'-Methylheptanoyl)-3-hydroxymethyl-4-butanolide; 51311-41-2
EINECS	Contact for details

Quality Control

Our A-Factor is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and reliability for critical research and process applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards for high-purity biochemicals, ensuring material integrity for your scientific and industrial needs.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store at -20°C or below under desiccated conditions. The product is hygroscopic (moisture-sensitive) and should be allowed to equilibrate to room temperature in a dry environment before opening to prevent condensation.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (HPLC/MS)	Conforms
Assay (HPLC)	≥ 95.0%
Purity (HPLC, Area%)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Specific Rotation	Contact for details

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