Description

Echiguanine B is a specialized purine derivative and nucleoside analog of significant interest in advanced pharmaceutical research and development. Its unique chemical structure makes it a valuable intermediate for synthesizing novel therapeutic agents, particularly in the fields of oncology and virology. This high-purity compound is essential for researchers and manufacturers in the pharmaceutical and biotechnology industries seeking to develop next-generation treatments.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of novel nucleoside-based antiviral and anticancer drugs.
• Biochemical Research: Used as a reference standard and active agent in studies targeting purine metabolism and enzyme inhibition.
• Antiviral Drug Development: A key precursor in the research and production of experimental antiviral compounds.
• Oncology Research: Investigated for its potential role in creating chemotherapeutic agents that interfere with DNA/RNA synthesis in cancer cells.
• Process Chemistry: Employed in scale-up and optimization studies for the commercial manufacturing of active pharmaceutical ingredients (APIs).

Basic Information

Product Name	Echiguanine B
CAS No.	137319-26-7
Molecular Formula	C11H13N5O4
Molecular Weight	279.25 g/mol
Synonyms	9-[(2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-6,9-dihydro-3H-purin-6-one; 2-Amino-9-β-D-ribofuranosylpurin-6(1H)-one; 2-Amino-9-β-D-ribofuranosyl-9H-purin-6-ol; 2-Aminoguanosine; NSC 339638; Echiguanine B; 2-Amino-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1,9-dihydro-6H-purin-6-one
EINECS	Contact for details

Quality Control

Our Echiguanine B is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for research and development. Each lot undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and stringent controls for residual solvents and impurities. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere or in a desiccator after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	< 10 ppm

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