2-(2-Thienyl)pyridine - ≥97% , CAS No.3319-99-1

CAS: 3319-99-1 Cat. No.: T133377 Molecular Weight: 161.23 Beilstein Registry Number: 508454 EC Number: 222-022-1 PubChem CID: 76832
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
2-thiophen-2-ylpyridine | 2-thiophen-2-yl-pyridine | 2-thien-2-ylpyridine | EINECS 222-022-1 | p-Trifluoromethyl benzoic acid chloride | 2-(2-thienyl)pyridine;2-(Thiophen-2-yl)pyridine | EN300-103801 | NCGC00246701-01 | .alpha.-Ketocaprylic acid | 2-(Thio
Storage
Room temperature
Shipped In
Normal
Size
Status
Price
Qty
250mg
T133377-250mg
3
$9.90
1g
T133377-1g
3
$10.90
5g
T133377-5g
3

$17.90

$26.90
Save $9.00 (33.46%)
10g
T133377-10g
3

$32.90

$49.90
Save $17.00 (34.07%)
25g
T133377-25g
2

$74.90

$112.90
Save $38.00 (33.66%)
100g
T133377-100g
2

$277.90

$416.90
Save $139.00 (33.34%)
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature 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 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
2-thiophen-2-ylpyridine | 2-thiophen-2-yl-pyridine | 2-thien-2-ylpyridine | EINECS 222-022-1 | p-Trifluoromethyl benzoic acid chloride | 2-(2-thienyl)pyridine;2-(Thiophen-2-yl)pyridine | EN300-103801 | NCGC00246701-01 | .alpha.-Ketocaprylic acid | 2-(Thio
Specifications & Purity
≥97%
Storage
Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid504755106
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504755106
Canonical SmilesC1=CC=NC(=C1)C2=CC=CS2
IUPAC Name2-thiophen-2-ylpyridine
InChIKeyQLPKTAFPRRIFQX-UHFFFAOYSA-N
INCHI1S/C9H7NS/c1-2-6-10-8(4-1)9-5-3-7-11-9/h1-7H
Isomeric SMILES C1=CC=NC(=C1)C2=CC=CS2
PubChem CID 76832
Molecular Weight 161.23
Beilstein 508454

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.

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🔬 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 Thiophenes  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Pyridine - Heteroaromatic compound - Thiophene - 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 Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(non-human)
Plasmodium falciparum (966862 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.

11 results found

Lot NumberCertificate TypeDateItem
C2626156Certificate of AnalysisApr 07, 2026 T133377
E2230113Certificate of AnalysisJan 04, 2026 T133377
E2230134Certificate of AnalysisJan 04, 2026 T133377
E2230136Certificate of AnalysisJan 04, 2026 T133377
E2230141Certificate of AnalysisJan 04, 2026 T133377
E2230142Certificate of AnalysisJan 04, 2026 T133377
G2325038Certificate of AnalysisMay 09, 2025 T133377
A1706032Certificate of AnalysisMay 06, 2024 T133377
L2406363Certificate of AnalysisMar 21, 2024 T133377
C2205118Certificate of AnalysisDec 22, 2023 T133377
B2210177Certificate of AnalysisFeb 23, 2022 T133377

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Chemical and Physical Properties
SolubilitySoluble in Methanol
Boil Point(°C)140 °C/16 mmHg
Melt Point(°C)63 °C
Molecular Weight161.230 g/mol
XLogP32.200
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass161.03 Da
Monoisotopic Mass161.03 Da
Topological Polar Surface Area41.100 Ų
Heavy Atom Count11
Formal Charge0
Complexity127.000
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
Citations of This Product
References
1. Yuhao Wu, Kang Du, Ce Xu, Xianghong Li, Dingguo Tang.  (2021)  Highly sensitive detection of Hg2+ using ruthenium complex-based probe in water.  JOURNAL OF ORGANOMETALLIC CHEMISTRY,      [PMID:] [10.1016/j.jorganchem.2021.121690]
2. Wei Wu, Jiaen Huang, Yuling Li, Jiaxi Chen, Xiaowei Kuang, Manzhen Ye, Rui Chen, Junli An, Zunnan Huang, Jing Sun.  (2025)  Endoplasmic Reticulum-Targeting Iridium(III) Complexes Induce Pyroptosis and Enhance Immunogenic Cell Death in MDA-MB-231 Cells.  JOURNAL OF MEDICINAL CHEMISTRY,      [PMID:40639936] [10.1021/acs.jmedchem.5c00883]
Solution Calculators
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