4-Methylpyridine-3-Sulfonic Acid - ≥98% , CAS No.4808-71-3

CAS: 4808-71-3 Cat. No.: M696507 Molecular Weight: 173.19 PubChem CID: 227805
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Storage
Room temperature,Argon charged
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
M696507-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$9.90
1g
M696507-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$17.90
5g
M696507-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$86.90
25g
M696507-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$425.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Specifications & Purity
≥98%
Storage
Room temperature, Argon charged
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Canonical SmilesCC1=C(C=NC=C1)S(=O)(=O)O
IUPAC Name4-methylpyridine-3-sulfonic acid
InChIKeyYQNKGAZLNOIECR-UHFFFAOYSA-N
INCHI1S/C6H7NO3S/c1-5-2-3-7-4-6(5)11(8,9)10/h2-4H,1H3,(H,8,9,10)
Isomeric SMILES CC1=C(C=NC=C1)S(=O)(=O)O
Alternate CAS 4808-71-3
PubChem CID 227805
NSC Number 19880
Molecular Weight 173.19

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassOrganic sulfonic acids and derivatives
SubclassOrganosulfonic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentArylsulfonic acids and derivatives
Alternative Parents Methylpyridines  Sulfonyls  Organosulfonic acids  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Arylsulfonic acid or derivatives - Methylpyridine - Pyridine - Organosulfonic acid - Sulfonyl - Heteroaromatic compound - Organoheterocyclic compound - Azacycle - Organic oxide - Organopnictogen compound - Organic oxygen compound - Organosulfur compound - Organonitrogen compound - Organic nitrogen compound - Hydrocarbon derivative - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as arylsulfonic acids and derivatives. These are organic compounds containing an aryl group attached to the sulfonic acid group (or a derivative thereof).
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot NumberCertificate TypeDateItem
C2630495Certificate of AnalysisDec 31, 2025 M696507
C2630506Certificate of AnalysisDec 31, 2025 M696507
C2630508Certificate of AnalysisDec 31, 2025 M696507
C2630510Certificate of AnalysisDec 31, 2025 M696507
Chemical and Physical Properties
Molecular Weight173.190 g/mol
XLogP30.000
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count1
Exact Mass173.015 Da
Monoisotopic Mass173.015 Da
Topological Polar Surface Area75.600 Ų
Heavy Atom Count11
Formal Charge0
Complexity218.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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