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1-(4-Hydroxyphenyl)-5-methylpyridin-2(1H)-one

Also known as: 1-(4-Hydroxyphenyl)-5-methyl-2(1H)-pyridinone, 1-(4-hydroxyphenyl)-5-methylpyridin-2-one, 2(1H)-Pyridinone, 1-(4-hydroxyphenyl)-5-methyl-, F 351, Hydronidone, Pirfenidone N-(4-Hydroxyphenyl), N-(4-HYDROXYPHENYL)-5-METHYL-2-1H-PYRIDONE, MFCD07369446

1-(4-Hydroxyphenyl)-5-methylpyridin-2(1H)-one (CAS 851518-71-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H11NO2 and a molecular weight of 201.22100 g/mol. Key property: a melting point of 161-162 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
851518-71-3
Jingsj CID
J-1959386-1
Molecular Formula
C12H11NO2
Molecular Weight
201.22100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point161-162 °C
Exact Mass201.07900
PSA42.23000
LogP1.85150

Activity & Biological Data

Additional Information[1]. Liu Y, et al. Tolerability and Pharmacokinetics of Hydronidone, an Antifibrotic Agent for Hepatic Fibrosis, after Single and Multiple Doses in Healthy Subjects: an Open-Label, Randomized, Dose-Escalating, First-in-Human Study. Eur J Drug Metab Pharmacokinet. 2017;42(1):37-48.

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-(4-Hydroxyphenyl)-5-methylpyridin-2(1H)-one?

The CAS number of 1-(4-Hydroxyphenyl)-5-methylpyridin-2(1H)-one is 851518-71-3.

What are the molecular formula and molecular weight of 1-(4-Hydroxyphenyl)-5-methylpyridin-2(1H)-one?

1-(4-Hydroxyphenyl)-5-methylpyridin-2(1H)-one has molecular formula C12H11NO2 and molecular weight 201.22100 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-(4-Hydroxyphenyl)-5-methylpyridin-2(1H)-one (CAS 851518-71-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959386-1 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.