Description

Streptothricin E CAS NO 3776-38-3 is a member of the streptothricin class of basic, water-soluble antibiotics produced by *Streptomyces* bacteria. This compound is valued for its broad-spectrum antibacterial activity, particularly against Gram-negative bacteria, making it a significant molecule for research and development. It is primarily utilized by researchers in the fields of microbiology, antibiotic discovery, and agricultural science for studying resistance mechanisms and developing novel biocontrol agents.

Application

• Antibiotic Research & Development: Serves as a reference standard and active compound in studies exploring novel antibiotic classes and mechanisms of action against resistant pathogens.
• Microbiological Studies: Used in laboratory settings to investigate bacterial susceptibility, resistance gene function, and the biochemical pathways of aminoglycoside-like antibiotics.
• Agricultural Biotechnology: Explored for potential applications in developing biocontrol agents against plant bacterial diseases.
• Biochemical Reagent: Employed as a selective agent in microbial culture media and in enzymatic studies related to protein synthesis inhibition.
• Pharmaceutical Intermediates: Acts as a key starting material or reference point in the synthesis and analysis of more complex therapeutic agents.

Basic Information

Product Name	Streptothricin E
CAS No.	3776-38-3
Molecular Formula	C19H35N7O8
Molecular Weight	489.53 g/mol
Synonyms	Streptothricin E; Antibiotic R4H; LL-AB 664E; Antibiotic LL-AB 664; Nδ-(4-Amino-2-hydroxy-1-oxobutyl)-L-2,4-diaminobutyric Acid Streptothricin E; 5-L-(2-Amino-2-carboxyethyl)-N2-(L-γ-glutamyl)streptothricin F; (2S)-2-[[(2S)-2-[[(4S,5R)-5-[[(2S)-2,4-Diamino-1-oxobutyl]amino]-4-hydroxy-1-oxopentyl]amino]-4-guanidino-1-oxobutyl]amino]pentanedioic acid
EINECS	Contact for details

Quality Control

Our Streptothricin E is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and reliability for research applications. Each lot undergoes comprehensive analytical testing, including identification by spectroscopic methods and purity assessment by HPLC. A Certificate of Analysis (COA) detailing specific results is provided with every shipment to support your quality assurance requirements.

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 must be kept in a desiccated environment to maintain stability and potency.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%

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