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Pyridine-4-sulphonic acid , CAS No.5402-20-0

COA

Grade & Purity:

≥95%

Cas Number: 5402-20-0
Molecular Weight: 159.17
PubChem CID: 221127

In stock

Item Number

P351421

Grouped product items
SKU	Size	Availability	Price
P351421-100mg	100mg	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$92.90
P351421-250mg	250mg	2	$139.90
P351421-1g	1g	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$329.90

View related series

Pyridine compounds (423)

Basic Description

Synonyms	4-Pyridinesulfonic acid
Specifications & Purity	≥95%
Storage Temp	Store at 2-8°C
Shipped In	Wet ice This product requires cold chain shipping. Ground and other economy services are not available.

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organic acids and derivatives
  - Class Organic sulfonic acids and derivatives
    - Subclass Organosulfonic acids and derivatives
      - Level5 Arylsulfonic acids and derivatives
        Level6 Arylsufonic acids
        Level7 1-sulfo,2-unsubstituted aromatic compounds

Kingdom	Organic compounds
Superclass	Organic acids and derivatives
Class	Organic sulfonic acids and derivatives
Subclass	Organosulfonic acids and derivatives
Intermediate Tree Nodes	Arylsulfonic acids and derivatives - Arylsufonic acids
Direct Parent	1-sulfo,2-unsubstituted aromatic compounds
Alternative Parents	Pyridines and derivatives Sulfonyls Organosulfonic acids Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives
Molecular Framework	Aromatic heteromonocyclic compounds
Substituents	1-sulfo,2-unsubstituted aromatic compound - Pyridine - Heteroaromatic compound - Sulfonyl - Organosulfonic acid - Azacycle - Organoheterocyclic compound - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organosulfur compound - Organonitrogen compound - Aromatic heteromonocyclic compound
Description	This compound belongs to the class of organic compounds known as 1-sulfo,2-unsubstituted aromatic compounds. These are an arylsulfonic acid carrying the sulfonic acid group at the 1-position, and no substitute at the 2-position of the aromatic ring.
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

IUPAC Name	pyridine-4-sulfonic acid
INCHI	InChI=1S/C5H5NO3S/c7-10(8,9)5-1-3-6-4-2-5/h1-4H,(H,7,8,9)
InChIKey	PTWLOSARXIJRRJ-UHFFFAOYSA-N
Smiles	C1=CN=CC=C1S(=O)(=O)O
Isomeric SMILES	C1=CN=CC=C1S(=O)(=O)O
PubChem CID	221127
UN Number	1759
Packing Group	III
Molecular Weight	159.17

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

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6 results found

Lot Number	Certificate Type	Date	Item
G2430501	Certificate of Analysis	Jul 23, 2024	P351421
G2430502	Certificate of Analysis	Jul 23, 2024	P351421
G2430503	Certificate of Analysis	Jul 23, 2024	P351421
G2430504	Certificate of Analysis	Jul 23, 2024	P351421
G2430508	Certificate of Analysis	Jul 23, 2024	P351421
G2430541	Certificate of Analysis	Jul 23, 2024	P351421

Chemical and Physical Properties

Melt Point(°C)	330° C (dec.)
Molecular Weight	159.170 g/mol
XLogP3	-0.400
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	1
Exact Mass	158.999 Da
Monoisotopic Mass	158.999 Da
Topological Polar Surface Area	75.600 Å²
Heavy Atom Count	10
Formal Charge	0
Complexity	187.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

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