tert-Butyl 3-methyl-4-oxopiperidine-1-carboxylate

Also known as: 1-BOC-3-METHYL-PIPERIDIN-4-ONE, 1-Piperidinecarboxylic acid, 3-methyl-4-oxo-, 1,1-dimethylethyl ester, 2-Methyl-2-propanyl 3-methyl-4-oxo-1-piperidinecarboxylate, N-Boc-3-methyl-4-piperidone, tert-Butyl 3-methyl-4-oxopiperidin-1-carboxylate, tert-Butyl-3-methyl-4-oxopiperidin-1-carboxylat, 1-Boc-3-methyl-4-piperidone, N-TERT-BUTOXYCARBONYL-3-METHYL-4-PIPERIDONE, tert-butyl 3-methyl-4-oxo-1-piperidinecarboxylate

tert-Butyl 3-methyl-4-oxopiperidine-1-carboxylate (CAS 181269-69-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H19NO3 and a molecular weight of 213.273 g/mol. Key properties include a boiling point of 298.8±33.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 134.5±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 181269-69-2
Jingsj CID: J-1519703-2
Molecular Formula: C₁₁H₁₉NO₃
Molecular Weight: 213.273 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	298.8±33.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	134.5±25.4 °C
Exact Mass	213.136490
PSA	46.61000
LogP	0.88
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.471

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 tert-Butyl 3-methyl-4-oxopiperidine-1-carboxylate?

The CAS number of tert-Butyl 3-methyl-4-oxopiperidine-1-carboxylate is 181269-69-2.

What are the molecular formula and molecular weight of tert-Butyl 3-methyl-4-oxopiperidine-1-carboxylate?

tert-Butyl 3-methyl-4-oxopiperidine-1-carboxylate has molecular formula C11H19NO3 and molecular weight 213.273 g/mol.

What are the upstream and downstream products of tert-Butyl 3-methyl-4-oxopiperidine-1-carboxylate?

For tert-Butyl 3-methyl-4-oxopiperidine-1-carboxylate, Upstream Products: 1-Benzyl-3-methyl-4-piperidinone, Di-tert-butyl dicarbonate, iodomethane; Downstream Products: 4-Hydroxy-3-methylpiperidine, 3-Methylpiperidin-4-one, 3-Methylpiperidin-4-one hydrochloride.

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. "tert-Butyl 3-methyl-4-oxopiperidine-1-carboxylate (CAS 181269-69-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519703-2 (accessed 2026-11-09).

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