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

CAS: 626-64-2 Cat. No.: H106341 Formula: C5H5NO Molecular Weight: 95.1 Beilstein Registry Number: 105800 EC Number: 210-958-3
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
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
Storage
Argon charged,Room temperature
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
5g
H106341-5g
—
3 In stock
€8.59
10g
H106341-10g
—
1 In stock
€9.46
25g
H106341-25g
—
3 In stock

€18.14

€27.68
Save €9.55 (34.48%)
100g
H106341-100g
—
3 In stock

€51.98

€78.01
Save €26.03 (33.37%)
500g
H106341-500g
—
1 In stock

€132.68

€199.49
Save €66.82 (33.49%)
Enter a quantity for the sizes you want to add.
🧪
Why this grade

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

🌡

Storage & shipping

Argon charged,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 11 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

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.

Specifications

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
Argon charged,Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid508809733
Canonical SmilesC1=CNC=CC1=O
IUPAC Name1H-pyridin-4-one
InChIKeyGCNTZFIIOFTKIY-UHFFFAOYSA-N
INCHI1S/C5H5NO/c7-5-1-3-6-4-2-5/h1-4H,(H,6,7)
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=

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
SubclassHydropyridines
Intermediate Tree Nodes Not available
Direct ParentDihydropyridines
Alternative Parents Vinylogous amides  Heteroaromatic compounds  Cyclic ketones  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic 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
DescriptionThis 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
3D Structure
Interactive Chemical Structure Model





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.

13 results found

Lot NumberCertificate TypeDateItem
F2612124Certificate of AnalysisJun 25, 2026 H106341
G2222351Certificate of AnalysisMay 09, 2026 H106341
G2222352Certificate of AnalysisMay 09, 2026 H106341
G2222377Certificate of AnalysisMay 09, 2026 H106341
G2222378Certificate of AnalysisMay 09, 2026 H106341
H2512051Certificate of AnalysisAug 14, 2025 H106341
J2128686Certificate of AnalysisAug 11, 2025 H106341
J2128687Certificate of AnalysisAug 11, 2025 H106341
J2128688Certificate of AnalysisAug 11, 2025 H106341
F2110151Certificate of AnalysisMar 04, 2025 H106341
A2514174Certificate of AnalysisJun 11, 2022 H106341
A2609066Certificate of AnalysisJun 11, 2022 H106341
I2301169Certificate of AnalysisJun 11, 2022 H106341
Chemical and Physical Properties
SensitivityHygroscopic & Light sensitive
x_flash_point_drop_fahrenheit221 °C
x_flash_point_drop_centigrade221°C
x_boil_point_char230-235°C
x_melt_point_char148°C
Molecular Weight95.100 g/mol
XLogP3-1.300
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass95.0371 Da
Monoisotopic Mass95.0371 Da
Topological Polar Surface Area29.100 Ų
Heavy Atom Count7
Formal Charge0
Complexity121.000
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
FAQs and Articles
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.