2,6-Pyridinedicarboxaldehyde - ≥97%(GC) , CAS No.5431-44-7

CAS: 5431-44-7 Cat. No.: P123453 Molecular Weight: 135.12 EC Number: 226-589-6
AVAILABLE TO ORDER
GRADE & PURITY ≥97%(GC)
Synonyms
A7896 | DTXSID80202681 | NSC 13393 | P0949 | YSWG467 | 2,6-Pyridinedicarbaldehyde # | SB37598 | 2,6-pyridine dicarboxaldehyde | P59575 | STL556378 | EINECS 226-589-6 | DS-10714 | MFCD00010103 | FT-0610739 | EINECS 246-140-8 | 2-[(2-aminoethyl)sulfanyl]eth
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
P123453-250mg
3
$9.90
1g
P123453-1g
5
$15.90
5g
P123453-5g
2

$54.90

$59.90
Save $5.00 (8.35%)
25g
P123453-25g
1

$244.90

$281.90
Save $37.00 (13.13%)
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Why this grade

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

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Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

Cited in 13 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

2,6-Pyridinedicarboxaldehyde has been used in preparation of:

· functionalized resin Amberlite XAD-4

· boron-dipyrromethene (BODIPY)-based fluorescence probe with a N,N′-(pyridine-2, 6-diylbis(methylene))-dianiline substituent

· novel N-heterocyclic chitosan aerogel derivatives

Specifications

Synonyms
A7896 | DTXSID80202681 | NSC 13393 | P0949 | YSWG467 | 2, 6-Pyridinedicarbaldehyde # | SB37598 | 2, 6-pyridine dicarboxaldehyde | P59575 | STL556378 | EINECS 226-589-6 | DS-10714 | MFCD00010103 | FT-0610739 | EINECS 246-140-8 | 2-[(2-aminoethyl)sulfanyl]eth
Specifications & Purity
≥97%(GC)
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%(GC)
Names and Identifiers
Pubchem Sid488185737
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488185737
Canonical SmilesC1=CC(=NC(=C1)C=O)C=O
IUPAC Namepyridine-2,6-dicarbaldehyde
InChIKeyPMWXGSWIOOVHEQ-UHFFFAOYSA-N
INCHI1S/C7H5NO2/c9-4-6-2-1-3-7(5-10)8-6/h1-5H
Isomeric SMILES C1=CC(=NC(=C1)C=O)C=O
WGK Germany 3
Molecular Weight 135.12
Reaxy-Rn 109151
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=109151&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
SubclassPyridine carboxaldehydes
Intermediate Tree Nodes Not available
Direct ParentPyridine carboxaldehydes
Alternative Parents Aryl-aldehydes  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents 2-pyridine carboxaldehyde - Aryl-aldehyde - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aldehyde - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyridine carboxaldehydes. These are aromatic compounds containing a pyridine ring which bears a carboxaldehyde group.
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.

29 results found

Lot NumberCertificate TypeDateItem
A2612606Certificate of AnalysisDec 31, 2025 P123453
A2612607Certificate of AnalysisDec 31, 2025 P123453
A2612609Certificate of AnalysisDec 31, 2025 P123453
A2612605Certificate of AnalysisDec 31, 2025 P123453
G2508135Certificate of AnalysisMay 16, 2025 P123453
E2528505Certificate of AnalysisMay 16, 2025 P123453
E2528510Certificate of AnalysisMay 16, 2025 P123453
E2528511Certificate of AnalysisMay 16, 2025 P123453
E2528512Certificate of AnalysisMay 16, 2025 P123453
G23151211Certificate of AnalysisApr 18, 2025 P123453
G23151191Certificate of AnalysisApr 09, 2025 P123453
G23151210Certificate of AnalysisApr 09, 2025 P123453
G23151208Certificate of AnalysisApr 09, 2025 P123453
G23151203Certificate of AnalysisApr 09, 2025 P123453
L2424320Certificate of AnalysisDec 14, 2024 P123453
L2424321Certificate of AnalysisDec 14, 2024 P123453
L2424322Certificate of AnalysisDec 14, 2024 P123453
B2225850Certificate of AnalysisDec 19, 2023 P123453
B2225699Certificate of AnalysisDec 19, 2023 P123453
B2225683Certificate of AnalysisDec 19, 2023 P123453
B2225677Certificate of AnalysisDec 19, 2023 P123453
J2311168Certificate of AnalysisSep 15, 2023 P123453
J2311169Certificate of AnalysisSep 15, 2023 P123453
J2311170Certificate of AnalysisSep 15, 2023 P123453
J2311171Certificate of AnalysisSep 15, 2023 P123453
J2423262Certificate of AnalysisSep 15, 2023 P123453
G23151201Certificate of AnalysisJul 01, 2023 P123453
G2120339Certificate of AnalysisMay 10, 2023 P123453
G2120223Certificate of AnalysisMay 10, 2023 P123453

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Chemical and Physical Properties
SolubilitySoluble in Methanol
Sensitivityair sensitive
Boil Point(°C)152-154°C/103mmHg
Melt Point(°C)122°C
Molecular Weight135.120 g/mol
XLogP30.400
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count2
Exact Mass135.032 Da
Monoisotopic Mass135.032 Da
Topological Polar Surface Area47.000 Ų
Heavy Atom Count10
Formal Charge0
Complexity122.000
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. Yuyang Liu, Qiong He, Yarong Li, Yongqiang Li, Chiyang He.  (2023)  Synthesis of copper-based nanoparticles confined in a pyridine N-containing COF and their catalytic applications.  MICROPOROUS AND MESOPOROUS MATERIALS,      [PMID:] [10.1016/j.micromeso.2023.112868]
2. Lijun Guo, Yuxin Gao, Jin Huang, Jingqi Xue, Feng Li, Cuiqin Li.  (2022)  Imine-linked covalent organic frameworks coordinated with nickel for ethylene oligomerization.  JOURNAL OF APPLIED POLYMER SCIENCE,  140  (3): (e53320).  [PMID:] [10.1002/app.53320]
3. Jiawen Li, Peng Liu, Jianxin Mao, Jianyue Yan, Wenbo Song.  (2022)  Revealing the structure–activity relationship in woven covalent organic frameworks for the electrocatalytic oxygen reduction reaction.  Nanoscale,  14  (16): (6126-6132).  [PMID:35388862] [10.1039/D2NR00791F]
4. Lu Li, Ping Li, Juan Fang, Qingling Li, Haibin Xiao, Hui Zhou, Bo Tang.  (2015)  Simultaneous Quantitation of Na+ and K+ in Single Normal and Cancer Cells Using a New Near-Infrared Fluorescent Probe.  ANALYTICAL CHEMISTRY,      [PMID:25973531] [10.1021/acs.analchem.5b00571]
5. Xuequan Jing, Meina Guo, Jiarong Li, Wei Xu, Haonan Qin, Weidong Xiao, Yinhua Wan, Jieliang Chen, Zhangwei Yao, Weijie Song, Hongdong Yu, Kang Hu, Tinggang Li.  (2024)  An Eu (III)-functionalized covalent organic framework fluorescent probe for specific detection of Flumequine based on pore restriction and antenna effect.  SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,      [PMID:39089068] [10.1016/j.saa.2024.124884]
6. Yang Zimin, Feng Lianggang, Pang Yongyu, Chai Guoliang.  (2024)  Enhancing Hydrogen Peroxide Production through Modulating the Morphology of N-doped Mesoporous Carbon Electrocatalysts.  CATALYSIS LETTERS,      [PMID:] [10.1007/s10562-024-04658-2]
7. Jiande Wang, Jun Wang, Shujie Qiao, Nanwen Li, Zhiyong Guo.  (2024)  Interfacial polymerization of self-standing ABC-stacking Covalent organic framework membranes for dye separation.  POLYMER,      [PMID:] [10.1016/j.polymer.2024.126998]
8. Ling Ma, Yue Gu, Liqiang Guo, Ke Wang.  (2024)  The determination of 11 sulfonamide antibiotics in water and foods by developing a N-rich magnetic covalent organic framework combined with ultra-high performance liquid chromatography-tandem mass spectrometry.  RSC Advances,  14  (30): (21318-21327).  [PMID:38979455] [10.1039/D4RA02530J]
9. Weiyu Zhang, Jiaqi Ji, Hong Li, Jie Li, Yiming Sun, Yi Tang, Tianqi Yang, Weiyi Jin, Yongqing Zhao, Congshu Huang, Chenliang Gong.  (2024)  Nitrogen-Rich Covalent Organic Frameworks Composited High-Temperature Proton Exchange Membranes with Ultralow Volume Expansion and Reduced Phosphoric Acid Leakage.  ACS Applied Materials & Interfaces,      [PMID:39293059] [10.1021/acsami.4c10408]
10. Shunli Wang, Yinsheng Li, Limei Tian.  (2025)  Woven cross-linked elastomer strategy for extremely tear-resistant, recyclable elastomer/carbon fiber composites.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.163541]
11. Shunli Wang, Yinsheng Li, Wei Tian, Yunfei Zhao, Lei Ren, Limei Tian.  (2025)  Tough and High-Strength Polyurethane Elastomers via Woven Crosslinking Strategy.  JOURNAL OF POLYMER SCIENCE,      [PMID:] [10.1002/pol.20250414]
12. Conghao Liu, Yang Yang, Runzhi Li, Xiaoqing Zhang, Dionisio Zaldivar Silva, Yuefeng Zhao, Ruizhuo Ouyang, Yuqing Miao, Baolin Liu, Shuang Zhou.  (2025)  Enhanced Anticancer Activity of Novel Bi (III)-Thiosemicarbazone Complexes Against Lung Cancer.  APPLIED ORGANOMETALLIC CHEMISTRY,  39  (7): (e70249).  [PMID:] [10.1002/aoc.70249]
13. Shunli Wang, Yinsheng Li, Limei Tian.  (2025)  High-toughness polyurethane elastomers for recyclable carbon fiber-reinforced composites with excellent tear resistance.  COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,      [PMID:] [10.1016/j.compositesa.2025.109140]
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