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4-Mercapto Pyridine

4-Mercapto Pyridine

CAS Number: 4556-23-4

Molecular Formula: C5H5NS

About 4-Mercapto Pyridine

4-Mercaptopyridine (CAS 4556-23-4) functions as a critical heterocyclic building block in the synthesis of benzyl cephalosporins and other sulfur-containing high purity fine chemicals, where US-based manufacturers are increasingly leveraging custom synthesis services to meet the demand for specialized pharmaceutical in...

4-Mercapto Pyridine Specifications

CAS Number

4556-23-4

Molecular Formula

C5H5NS

Molecular Weight

111.16 g/mol

IUPAC Name

Pyridine-4-thiol

Canonical SMILES

C1=CNC=CC1=S

InChI Key

FHTDDANQIMVWKZ-UHFFFAOYSA-N

CAS Number

4556-23-4

Molecular Formula

C5H5NS

Molecular Weight

111.16 g/mol

IUPAC Name

Pyridine-4-thiol

Canonical SMILES

C1=CNC=CC1=S

InChI Key

FHTDDANQIMVWKZ-UHFFFAOYSA-N

Molecular Weight

111.16 g/mol

Pharmaceutical Intermediate

An important building block utilized as an intermediate in the synthesis of various medicinal compounds, including benzyl cephalosporin and cefalicylic acid

Laboratory Reagent

A versatile chemical used as a redox reagent for the in vitro refolding of recombinantly expressed single-chain Fv fragments and in studies to measure alliinase activity

Sensing Material

A highly selective probe molecule employed in the decoration of gold electrodes and nanoparticles for the sensitive electrochemical and SERS-based detection of mercury ions, arsenic ions, and melamine

Coordination Ligand

A functionalized pyridine derivative capable of acting as a ligand in coordination chemistry to form stable complexes with transition metals and to stabilize gold nanoparticles through sulfur atom interactions.

4-Mercapto Pyridine FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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