Description

5-Bromopyridine-3-Sulfonohydrazide is a high-purity, multi-functional heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its unique molecular architecture, which combines a brominated pyridine core with a reactive sulfonohydrazide moiety, enabling precise chemical modifications. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for constructing complex molecules, particularly in the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of potential drug candidates, especially kinase inhibitors and other small molecule therapeutics.
• Agrochemical Research: Used in creating novel herbicides, fungicides, and insecticides by serving as a core scaffold for bioactive molecules.
• Ligand Synthesis: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Material Science: Acts as a precursor for functionalized polymers and advanced organic electronic materials.
• Chemical Biology: Useful as a probe or linker in bioconjugation chemistry and proteomics research.
• Custom Synthesis: Serves as a versatile starting material for contract research organizations (CROs) and fine chemical manufacturers for bespoke chemical production.

Basic Information

Product Name	5-Bromopyridine-3-Sulfonohydrazide
CAS No.	1248309-31-0
Molecular Formula	C5H6BrN3O2S
Molecular Weight	251.09 g/mol
Synonyms	3-Bromo-5-sulfonohydrazidopyridine; 5-Bromo-3-pyridinesulfonohydrazide; 5-Bromopyridine-3-sulfonic acid hydrazide; 3-Pyridinesulfonohydrazide, 5-bromo-; 1248309-31-0; 5-Br-Py-3-SO2NHNH2
EINECS	Contact for details

Quality Control

Our 5-Bromopyridine-3-Sulfonohydrazide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure compliance with exacting standards for research and development use. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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