Skip to main content

Methyl 6-hydroxynicotinate

Also known as: methyl 6-oxo-1,6-dihydro-3-pyridinecarboxylate, methyl 6-oxo-1,6-dihydropyridine-3-carboxylate, 3-Pyridinecarboxylic acid, 1,6-dihydro-6-oxo-, methyl ester, MFCD04113616, Methyl 6-hydroxypyridine-3-carboxylate, 5-methoxycarbonyl-2(1H)-pyridinone, methyl pyridin-2-one-5-carboxylate

Methyl 6-hydroxynicotinate (CAS 66171-50-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H7NO3 and a molecular weight of 153.135 g/mol. Key properties include a melting point of 166-170ºC, a boiling point of 348.9±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 164.8±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
66171-50-4
Jingsj CID
J-1526508-4
Molecular Formula
C7H7NO3
Molecular Weight
153.135 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point166-170ºC
Boiling Point348.9±22.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point164.8±22.3 °C
Exact Mass153.042587
PSA59.16000
LogP-0.08
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.552
Storage ConditionsKeep Cold

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 Methyl 6-hydroxynicotinate?

The CAS number of Methyl 6-hydroxynicotinate is 66171-50-4.

What are the molecular formula and molecular weight of Methyl 6-hydroxynicotinate?

Methyl 6-hydroxynicotinate has molecular formula C7H7NO3 and molecular weight 153.135 g/mol.

What are the upstream and downstream products of Methyl 6-hydroxynicotinate?

For Methyl 6-hydroxynicotinate, Upstream Products: Methanol, 6-Hydroxynicotinic acid, (Trimethylsilyl)diazomethane; Downstream Products: ethyl 1-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate, Methyl 5-bromo-6-hydroxynicotinate, Methyl 5,6-dichloronicotinate.

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

Last updated:

How to cite: Jingsj. "Methyl 6-hydroxynicotinate (CAS 66171-50-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526508-4 (accessed 2026-11-09).

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