Pyridine - AR, ≥99.5% , CAS No.110-86-1

CAS: 110-86-1 Cat. No.: P111511 Formula: C5H5N Molecular Weight: 79.1 Beilstein Registry Number: 103233 EC Number: 203-809-9
AVAILABLE TO ORDER
GRADE & PURITY AR ? Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results. ≥99.5%
Synonyms
pyridine disulfate | pyridine diphosphate | pyridine dinitrate | pyridine cyanate
Storage
Protected from light,Room temperature,Argon charged
Shipped In
FedEx DG Service
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Size
USA
Germany (EU)*
Price
Qty
100ml
P111511-100ml
In stock ≥10
7 In stock

$15.90

$17.90
Save $2.00 (11.17%)
500ml
P111511-500ml
In stock ≥10
7 In stock

$39.90

$45.90
Save $6.00 (13.07%)
12×500ml
P111511-12×500ml
Made to order · 8–12 wks

$398.90

$465.90
Save $67.00 (14.38%)
20×500ml
P111511-20×500ml
Made to order · 8–12 wks

$658.90

$775.90
Save $117.00 (15.08%)
Enter a quantity for the sizes you want to add.
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Why this grade

AR, ≥99.5% AR for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Room temperature,Argon charged Ships FedEx DG Service 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 533 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
pyridine disulfate | pyridine diphosphate | pyridine dinitrate | pyridine cyanate
Specifications & Purity
AR, ≥99.5%
Storage
Protected from light,Room temperature,Argon charged
Shipped In
FedEx DG Service
Grade
AR
Purity
≥99.5%
Names and Identifiers
Pubchem Sid508812917
Canonical SmilesC1=CC=NC=C1
IUPAC Namepyridine
InChIKeyJUJWROOIHBZHMG-UHFFFAOYSA-N
INCHI1S/C5H5N/c1-2-4-6-5-3-1/h1-5H
Isomeric SMILES C1=CC=NC=C1
WGK Germany 2
RTECS UR8400000
UN Number 1282
Packing Group II
Molecular Weight 79.1
Beilstein 103233
Reaxy-Rn 103233
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=103233&ln=

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
SuperclassOrganoheterocyclic compounds
ClassPyridines and derivatives
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentPyridines and derivatives
Alternative Parents Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Pyridine - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyridines and derivatives. These are compounds containing a pyridine ring, which is a six-member aromatic heterocycle which consists of one nitrogen atom and five carbon atoms.
External Descriptors a ring
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
NAPRT Tchem Nicotinate phosphoribosyltransferase (2 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
TSHR Tclin Thyroid stimulating hormone receptor (29986 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TBXAS1 Tchem Thromboxane-A synthase (3355 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP3A4 Tclin Cytochrome P450 3A4 (53859 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NAPRT Tchem Nicotinate phosphoribosyltransferase (37 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Lithobates pipiens (29 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Rattus norvegicus (775804 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
E Lysozyme (95 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
lef Anthrax lethal factor (7585 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Chrna3 Neuronal acetylcholine receptor (756 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
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.

62 results found

Lot NumberCertificate TypeDateItem
L2311442Certificate of AnalysisSep 07, 2026 P111511
H2624199Certificate of AnalysisAug 27, 2026 P111511
F2630712Certificate of AnalysisJul 16, 2026 P111511
F2618019Certificate of AnalysisJun 26, 2026 P111511
F2605004Certificate of AnalysisJun 12, 2026 P111511
E2615419Certificate of AnalysisJun 01, 2026 P111511
D2615653Certificate of AnalysisApr 22, 2026 P111511
C2626232Certificate of AnalysisApr 02, 2026 P111511
L2522704Certificate of AnalysisJan 04, 2026 P111511
J2511157Certificate of AnalysisOct 15, 2025 P111511
J2509002Certificate of AnalysisOct 13, 2025 P111511
I2519234Certificate of AnalysisSep 30, 2025 P111511
J2522779Certificate of AnalysisSep 30, 2025 P111511
H2519665Certificate of AnalysisAug 29, 2025 P111511
F2526156Certificate of AnalysisJul 01, 2025 P111511
E2506418Certificate of AnalysisMay 14, 2025 P111511
D2508846Certificate of AnalysisApr 18, 2025 P111511
C2507741Certificate of AnalysisMar 19, 2025 P111511
A2503357Certificate of AnalysisJan 13, 2025 P111511
L2424369Certificate of AnalysisJan 04, 2025 P111511
L2410274Certificate of AnalysisDec 16, 2024 P111511
K2415642Certificate of AnalysisNov 25, 2024 P111511
K2407401Certificate of AnalysisAug 28, 2024 P111511
H2426281Certificate of AnalysisAug 28, 2024 P111511
G2402605Certificate of AnalysisJul 09, 2024 P111511
D2429074Certificate of AnalysisMay 14, 2024 P111511
B2405005Certificate of AnalysisFeb 26, 2024 P111511
K2303252Certificate of AnalysisNov 14, 2023 P111511
I2319689Certificate of AnalysisOct 10, 2023 P111511
D2312088Certificate of AnalysisApr 17, 2023 P111511
B2324905Certificate of AnalysisMar 06, 2023 P111511
P111511-5L;A2328027Certificate of AnalysisFeb 01, 2023 P111511
P111511-100ml;A2328027Certificate of AnalysisFeb 01, 2023 P111511
P111511-1L;A2328027Certificate of AnalysisFeb 01, 2023 P111511
P111511-25L;A2328027Certificate of AnalysisFeb 01, 2023 P111511
A2328027Certificate of AnalysisFeb 01, 2023 P111511
L2207330Certificate of AnalysisDec 09, 2022 P111511
H2223095Certificate of AnalysisAug 31, 2022 P111511
H2223092Certificate of AnalysisAug 15, 2022 P111511
H2223093Certificate of AnalysisAug 15, 2022 P111511
H2223094Certificate of AnalysisAug 15, 2022 P111511
G2220402Certificate of AnalysisJul 27, 2022 P111511
F2220141Certificate of AnalysisJun 13, 2022 P111511
F2220098Certificate of AnalysisJun 13, 2022 P111511
F2220099Certificate of AnalysisJun 13, 2022 P111511
F2220100Certificate of AnalysisJun 13, 2022 P111511
F2220101Certificate of AnalysisJun 13, 2022 P111511
F2220102Certificate of AnalysisJun 13, 2022 P111511
H2231019Certificate of AnalysisJun 13, 2022 P111511
D2215080Certificate of AnalysisApr 19, 2022 P111511
C2219084Certificate of AnalysisFeb 28, 2022 P111511
C2219020Certificate of AnalysisFeb 28, 2022 P111511
C2219029Certificate of AnalysisFeb 28, 2022 P111511
C2219031Certificate of AnalysisFeb 28, 2022 P111511
C2219039Certificate of AnalysisFeb 28, 2022 P111511
B2209104Certificate of AnalysisFeb 12, 2022 P111511
A2218414Certificate of AnalysisJan 08, 2022 P111511
A2218413Certificate of AnalysisJan 08, 2022 P111511
A2218412Certificate of AnalysisJan 08, 2022 P111511
A2218411Certificate of AnalysisJan 08, 2022 P111511
A2218403Certificate of AnalysisJan 08, 2022 P111511
A2218402Certificate of AnalysisJan 08, 2022 P111511
Chemical and Physical Properties
SolubilitySoluble in Water
SensitivityLight & Heat & Moisture Sensitive
Refractive Index1.5092
Flash Point(°F)68.0 °F - closed cup
Flash Point(°C)20 °C - closed cup
Boil Point(°C)115°C
Melt Point(°C)-42°C
Molecular Weight79.100 g/mol
XLogP30.700
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass79.0422 Da
Monoisotopic Mass79.0422 Da
Topological Polar Surface Area12.900 Ų
Heavy Atom Count6
Formal Charge0
Complexity30.900
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
Documents & Articles
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Electrochemical Allylic C-H Oxidation with N-Hydroxytetrachlorophthalimide (TCNHPI)
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From Piperidine to Pyridine: The “Most Common N-Heterocycle” Shift in FDA Small-Molecule New Drugs (2013–2023) and a Selection Guide (Tables 1–4)
Plant Omics Panorama: Workflow Frameworks and Multi-Omics Integration from Genomics to Transcriptomics, Proteomics, and Metabolomics
Pyridine Research Selection Roadmap: Structural Features, Reaction Logic, and a Classification Navigator for Reagents/Building Blocks/Reference Standards (Tables 1–6)
Review of the Principles, Common Methods, and Key Application Considerations for the Determination of Glycerol and Triglyceride Contents
Revisiting Titanium Tetrachloride: New Advances in the Direct Amidation and Esterification of Carboxylic Acids
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Selective Deprotection and Sulfonyl Group Migration of N-Aryl Sulfonamides Mediated by TfOH (Trifluoromethanesulfonic Acid): Reaction Patterns and Synthetic Implications
The Positioning of TBTU in Practice: Racemization Risk, Extended Uses, and Selection Criteria
The Methodological Value of DSC: Building NHS-Type Activated Intermediates and Deciding When to Use Them
The Methodological Value of TPS-Cl: The Logic of Selective Activation and Representative Transformations in Nucleoside and Nucleotide Chemistry
The Methodological Value of TCFH: Advantages in Challenging Amidation and the Switching Logic of Carboxylic Acid Activation Pathways
Decision Logic for Selecting Coupling Reagents in Amide Bond Formation: Activation Pathways, Side Reactions, Epimerization, Workup, and Safety
Experimental Selection Logic for Carboxylic Acid Preactivation Pathways: Differences and Suitable Use Cases for Classical Mixed Anhydrides, CDI, Sulfonyl Chloride Systems, and the Yamaguchi System
Triphenylphosphine Dibromide (PPh₃Br₂) Is More Than Just a Brominating Reagent: Experimental Selection Logic from Alcohol-to-Alkyl Bromide Conversion to Carboxylic Acid Activation and One-Pot Esterification, Vinyl Bromide Formation, and Nitrile Constructi
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Boc₂O Selection Cannot Be Judged by Protection Installation Alone: Experimental Decision-Making from Substrate Nucleophilicity and Medium Effects to Deprotection Pathways
DMAP Is More Than Just an Organic Base: Experimental Judgment from Nucleophilic Acyl Transfer to Esterification and Macrolactonization
Experimental Selection Logic for Pentafluorophenyl-Based Systems: Practical Judgment from Active Esters and Pre-Activated Monomers to Downstream Transformations
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Coupling Activators, Nucleoside Building Blocks, and Modification Design in Oligonucleotide Chemical Synthesis: Their Effects on Synthetic Efficiency, Purity, and Product Properties
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From Nitroarenes to Pharmaceutically Relevant Pyridines: A Photochemically Induced Aryl Nitrene-Mediated Skeletal Editing Strategy
Dual Role of NH₄SCN and CN Transfer: From Electrochemical Oxidation of SCN⁻ to the Construction of 1-Cyanoimidazo[1,5-a]pyridines
Direct Construction of Methylsulfonyl-Containing Heterocycles: Synthesis and Applications of Prefunctionalized Three-Carbon Vinamidinium Salts
Citations of This Product
Solution Calculators
Reviews

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