Description

Naphth[2,1-D]-1,2,3-Oxadiazole-5-Sulphonic Acid is a specialized heterocyclic sulfonic acid derivative, serving as a critical intermediate in advanced organic synthesis. Its unique fused-ring structure containing both oxadiazole and naphthalene moieties makes it valuable for constructing complex molecules with specific electronic and binding properties. This compound is primarily sought by research institutions and chemical manufacturers in the pharmaceutical and agrochemical sectors for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting specific enzymes or receptors.
• Agrochemical Research: Used in developing new herbicides, fungicides, or plant growth regulators that require a specific heterocyclic scaffold.
• Dye & Pigment Synthesis: Acts as a precursor for creating specialized azo dyes and high-performance pigments due to its sulfonic acid group and aromatic system.
• Material Science: Employed in the research of organic semiconductors, conductive polymers, or metal-organic frameworks (MOFs).
• Chemical Research: Serves as a versatile reagent for studying cycloaddition reactions and constructing complex polycyclic systems in academic and industrial R&D.

Basic Information

Product Name	Naphth[2,1-D]-1,2,3-Oxadiazole-5-Sulphonic Acid
CAS No.	117-70-4
Molecular Formula	C₁₀H₆N₂O₄S
Molecular Weight	250.23 g/mol
Synonyms	5-Sulfonaphth[2,1-d]-1,2,3-oxadiazole; Naphth[2,1-d]-1,2,3-oxadiazole-5-sulfonic acid; 1,2,3-Oxadiazole-5-sulfonic acid, naphth[2,1-d]-; Naphtho[2,1-d]-1,2,3-oxadiazole-5-sulfonic acid; 117-70-4; Naphth[2,1-d]oxadiazole-5-sulfonic acid; 5-Naphth[2,1-d][1,2,3]oxadiazolesulfonic acid
EINECS	204-212-6

Quality Control

Our Naphth[2,1-D]-1,2,3-Oxadiazole-5-Sulphonic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and synthesis applications. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability, consistency, and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and oxidizing agents. For long-term storage, consider conditions under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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