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4-Hydroxypyridine - 97%, high purity , CAS No.626-64-2

9 Citations

COA

Grade & Purity:

≥97%

Cas Number: 626-64-2
Molecular Weight: 95.1
Beilstein Registry Number: 105800
EC Number: 210-958-3
MDL number: MFCD00040458
PubChem CID: 12290

In stock

Item Number

H106341

Grouped product items
SKU	Size	Availability	Price
H106341-5g	5g	3	$12.90
H106341-10g	10g	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$19.90
H106341-25g	25g	3	$38.90
H106341-100g	100g	3	$136.90
H106341-500g	500g	1	$615.90

View related series

Halogen free heterocyclic block (1207) Pyridines (1259)

Basic Description

Synonyms	4-Pyridinol \| 4-Pyridone \| BRN 0105800 \| A8662 \| AI3-61970 \| HY-W007690 \| SR-1C7 \| BS-3730 \| FT-0618744 \| EINECS 210-958-3 \| NSC 146174 \| EN300-21574 \| p-Hydroxypyridine \| pyridin-4-ol \| STL363251 \| 5-21-07-00152 (Beilstein Handbook Reference) \| MFCD00006
Specifications & Purity	≥97%
Storage Temp	Argon charged
Shipped In	Normal
Product Description	Solubility in water: Soluble Solubility in other solvents: Soluble in ethanol and methanol Slightly soluble in chloroform Pract. insoluble in ether and benzene Pract. insoluble in ether and benzene It was used in the synthesis of (Ag3MoO3F3) (Ag3MoO4)Cl by hydro(solvato)thermal methods. It was used as model compound to study the natural photodegradation of representative aquatic environmental contaminants.

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organoheterocyclic compounds
  - Class Pyridines and derivatives
    - Subclass Hydropyridines

Kingdom	Organic compounds
Superclass	Organoheterocyclic compounds
Class	Pyridines and derivatives
Subclass	Hydropyridines
Intermediate Tree Nodes	Not available
Direct Parent	Dihydropyridines
Alternative Parents	Vinylogous amides Heteroaromatic compounds Cyclic ketones Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives
Molecular Framework	Aromatic heteromonocyclic compounds
Substituents	Dihydropyridine - Heteroaromatic compound - Vinylogous amide - Cyclic ketone - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic heteromonocyclic compound
Description	This compound belongs to the class of organic compounds known as dihydropyridines. These are compounds containing a dihydropyridine moiety, which is a semi-saturated pyridine derivative with two double bonds.
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

Mechanisms of Action

Mechanism of Action	Action Type	target ID	Target Name	Target Type	Target Organism	Binding Site Name	References

Names and Identifiers

IUPAC Name	1H-pyridin-4-one
INCHI	InChI=1S/C5H5NO/c7-5-1-3-6-4-2-5/h1-4H,(H,6,7)
InChIKey	GCNTZFIIOFTKIY-UHFFFAOYSA-N
Smiles	C1=CNC=CC1=O
Isomeric SMILES	C1=CNC=CC1=O
WGK Germany	3
RTECS	UU7701450
Molecular Weight	95.1
Beilstein	105800
Reaxy-Rn	105391
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=105391&ln=

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.

7 results found

Lot Number	Certificate Type	Date	Item
F2110151	Certificate of Analysis	Mar 04, 2025	H106341
A2514174	Certificate of Analysis	Jun 11, 2022	H106341
G2222377	Certificate of Analysis	Jun 11, 2022	H106341
G2222352	Certificate of Analysis	Jun 11, 2022	H106341
G2222378	Certificate of Analysis	Jun 11, 2022	H106341
G2222351	Certificate of Analysis	Jun 11, 2022	H106341
I2301169	Certificate of Analysis	Jun 11, 2022	H106341

Chemical and Physical Properties

Sensitivity	Hygroscopic & Light sensitive
Flash Point(°F)	221 °C
Flash Point(°C)	221°C
Boil Point(°C)	230-235°C
Melt Point(°C)	148°C
Molecular Weight	95.100 g/mol
XLogP3	-1.300
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	95.0371 Da
Monoisotopic Mass	95.0371 Da
Topological Polar Surface Area	29.100 Å²
Heavy Atom Count	7
Formal Charge	0
Complexity	121.000
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

Citations of This Product

How to Cite Aladdin Scientific Products?

1. Guokai Cui, Yisha Xu, Daqing Hu, Ying Zhou, Chunliang Ge, Huayan Liu, Wenyang Fan, Zekai Zhang, Biao Chen, Quanli Ke, Yaoji Chen, Bing Zhou, Wei Zhang, Ruina Zhang, Hanfeng Lu. (2023) Tuning functional ionic deep eutectic solvents as green sorbents and catalysts for highly efficient capture and transformation of CO2 to quinazoline-2,4(1H,3H)-dione and its derivatives. CHEMICAL ENGINEERING JOURNAL, 469 (143991).
2. Lidong Cao, Xingzhong Fang, Guofei Chen. (2022) Research on N,N′-carbonyldiimidazole: A novel low-temperature imidization accelerator of polyimide. JOURNAL OF POLYMER SCIENCE, 61 (6): (491-502).
3. Ruoxian Hou, Hanzhang Chen, Defu Sun, Nana Zhang, Chuanying Shen, Duanliang Wang. (2023) Investigating the structure and optical characteristics of two new organic-inorganic hybrid crystals. OPTIK, 272 (170301).
4. Lei Yuan, Hongshuai Gao, Haiyan Jiang, Shaojuan Zeng, Tao Li, Baozeng Ren, Xiangping Zhang. (2021) Experimental and thermodynamic analysis of NH3 absorption in dual-functionalized pyridinium-based ionic liquids. JOURNAL OF MOLECULAR LIQUIDS, 323 (114601).
5. Zhao Shuxue, Hu Chunhui, Guo Lizhong, Li Kuiran, Yu Hao. (2019) Isolation of a 3-hydroxypyridine degrading bacterium, Agrobacterium sp. DW-1, and its proposed degradation pathway. AMB Express, 9 (1): (1-9).
6. Guofeng Liu, Jinying Liu, Chuanliang Feng, Yanli Zhao. (2017) Unexpected right-handed helical nanostructures co-assembled from L-phenylalanine derivatives and achiral bipyridines. Chemical Science, 8 (3): (1769-1775).
7. Jialin Zhang, Zhimin Chen, Hao Wu, Feng Wu, Chunying He, Bin Wang, Yiqun Wu, Zhiyu Ren. (2016) An electrochemical bifunctional sensor for the detection of nitrite and hydrogen peroxide based on layer-by-layer multilayer films of cationic phthalocyanine cobalt(II) and carbon nanotubes. Journal of Materials Chemistry B, 4 (7): (1310-1317).
8. Ling Yu, Hui Gao, Nan Zhang, Xian-Ming Zhang. (2025) Symmetry related proton conductivity tunability via aliovalent metal substitution in imidazolium templated stable metal-organic framework hybrid membranes. JOURNAL OF COLLOID AND INTERFACE SCIENCE, 680 (25).
9. Xiao Zhu, Shuhui Liu, Ruhui Shang, Xin Chen, Yingjie Xu, Yujun Guo, Baoping Ling. (2024) Understanding on the structure of novel hydroxypyridine anion-based ionic liquids and their effect on CO2 absorption behavior. Journal of Environmental Chemical Engineering, 12 (113552).

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