Ethyl 4-methylpiperidine-4-carboxylate

Also known as: 4-Methylisonipecotic acid ethyl ester, 4-Methylpiperidin-4-carboxylic acid ethyl ester, 4-Piperidinecarboxylic acid, 4-methyl-, ethyl ester, 4-methyl-4-ethoxycarbonyl-piperidine, 4-methylpiperidine-4-carboxylic acid ethyl ester, ethyl 4-methyl-4-piperidinecarboxylate, ethyl 4-methyl-piperidine-4-carboxylate

Ethyl 4-methylpiperidine-4-carboxylate (CAS 103039-88-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H17NO2 and a molecular weight of 171.23700 g/mol. Key properties include a boiling point of 221ºC, a density of 0.978 and a flash point of 87ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 103039-88-9
Jingsj CID: J-1107724-0
Molecular Formula: C₉H₁₇NO₂
Molecular Weight: 171.23700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	221ºC
Density	0.978
Flash Point	87ºC
Exact Mass	171.12600
PSA	38.33000
LogP	1.26800
Vapor Pressure	0.111mmHg at 25°C
Refractive Index	1.445

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 Ethyl 4-methylpiperidine-4-carboxylate?

The CAS number of Ethyl 4-methylpiperidine-4-carboxylate is 103039-88-9.

What are the molecular formula and molecular weight of Ethyl 4-methylpiperidine-4-carboxylate?

Ethyl 4-methylpiperidine-4-carboxylate has molecular formula C9H17NO2 and molecular weight 171.23700 g/mol.

What are the upstream and downstream products of Ethyl 4-methylpiperidine-4-carboxylate?

For Ethyl 4-methylpiperidine-4-carboxylate, Upstream Products: Ethyl N-Boc-4-methylpiperidine-4-carboxylate, Ethyl N-Boc-piperidine-4-carboxylate; Downstream Products: (4-Methylpiperidin-4-yl)methanol, tert-Butyl 4-hydroxy-4-(hydroxymethyl)piperidine-1-carboxylate.

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. "Ethyl 4-methylpiperidine-4-carboxylate (CAS 103039-88-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1107724-0 (accessed 2026-11-09).

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