3-Methyl-4-oxo-1-piperidinecarboxylic acid ethyl ester

Also known as: ethyl 3-methyl-4-oxo-1-piperidinecarboxylate, ethyl 3-methyl-4-oxopiperidine-1-carboxylate, 1-carbethoxy-3-methyl-4-piperidone, 1-Piperidinecarboxylic acid, 3-methyl-4-oxo-, ethyl ester

3-Methyl-4-oxo-1-piperidinecarboxylic acid ethyl ester (CAS 22106-20-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H15NO3 and a molecular weight of 185.22000 g/mol. Key properties include a boiling point of 280.4ºC at 760mmHg, a density of 1.101g/cm3 and a flash point of 123.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 22106-20-3
Jingsj CID: J-1465664-5
Molecular Formula: C₉H₁₅NO₃
Molecular Weight: 185.22000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	280.4ºC at 760mmHg
Density	1.101g/cm3
Flash Point	123.4ºC
Exact Mass	185.10500
PSA	46.61000
LogP	0.99170
Vapor Pressure	0.004mmHg at 25°C
Refractive Index	1.472

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. 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 3-Methyl-4-oxo-1-piperidinecarboxylic acid ethyl ester?

The CAS number of 3-Methyl-4-oxo-1-piperidinecarboxylic acid ethyl ester is 22106-20-3.

What are the molecular formula and molecular weight of 3-Methyl-4-oxo-1-piperidinecarboxylic acid ethyl ester?

3-Methyl-4-oxo-1-piperidinecarboxylic acid ethyl ester has molecular formula C9H15NO3 and molecular weight 185.22000 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3-Methyl-4-oxo-1-piperidinecarboxylic acid ethyl ester (CAS 22106-20-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1465664-5 (accessed 2026-11-09).

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