MilliporeSigma
All Photos(3)

Documents

120618

Sigma-Aldrich

4-Hydroxypyridine

95%

Sign Into View Organizational & Contract Pricing

Synonym(s):
4-Pyridinol, 4-Pyridone
Empirical Formula (Hill Notation):
C5H5NO
CAS Number:
Molecular Weight:
95.10
Beilstein/REAXYS Number:
105800
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

assay

95%

bp

230-235 °C/12 mmHg (lit.)

mp

150-151 °C (lit.)

SMILES string

O=C1C=CNC=C1

InChI

1S/C5H5NO/c7-5-1-3-6-4-2-5/h1-4H,(H,6,7)

InChI key

GCNTZFIIOFTKIY-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
V3204858064699055
vibrant-m

120618

4-Hydroxypyridine

vibrant-m

V3204

4-Vinylpyridine

vibrant-m

858064

4(3H)-Pyrimidinone

vibrant-m

699055

4-Pyridinethioamide

assay

95%

assay

95%

assay

≥98%

assay

97%

bp

230-235 °C/12 mmHg (lit.)

bp

62-65 °C/15 mmHg (lit.)

bp

-

bp

-

mp

150-151 °C (lit.)

mp

-

mp

166-169 °C (lit.)

mp

199 °C (D)

Application

4-Hydroxypyridine 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.

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 5

1 of 5

H Chen et al.
Biochemistry, 32(43), 11591-11599 (1993-11-02)
We have examined the interaction of Citrobacter freundii tyrosine phenol-lyase with both L- and D-alanine. This enzyme catalyzes the racemization of alanine as a side reaction, in addition to the physiological beta-elimination of L-tyrosine to give phenol and ammonium pyruvate.
Modelling the natural photodegradation of water contaminants: a kinetic study on the light-induced aerobic interactions between riboflavin and 4-hydroxypyridine.
Pajares A, et al.
J. Photochem. Photobiol., A, 139(2), 199-204 (2001)
Heiko Zettl et al.
ACS chemical biology, 7(9), 1488-1495 (2012-06-26)
We present an integrated approach to identify and optimize a novel class of γ-secretase modulators (GSMs) with a unique pharmacological profile. Our strategy included (i) virtual screening through application of a recently developed protocol (PhAST), (ii) synthetic chemistry to discover
Xiaoqing Cai et al.
Bioorganic & medicinal chemistry, 20(11), 3584-3595 (2012-05-09)
Bicyclic pyridinol antioxidants have been reported to suppress the autoxidation of methyl linoleate more effectively than α-tocopherol in benzene solution. A few novel lipophilic analogues have recently been synthesized by conjugating a pyridinol core with the phytyl side chain of
Natsuki K Kubota et al.
Bioorganic & medicinal chemistry, 11(21), 4569-4575 (2003-10-07)
Piericidins C5 (1) and C6 (2), two new members of the piericidin family, were isolated from a Streptomyces sp. and a Nocardioides sp., together with known piericidins C1 (3), C2 (4), C3 (5), C4 (6), D1 (7), and A3 (8).

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service