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tert-butyl 2-methyl-4-oxopiperidine-1-carboxylate

Also known as: 1-BOC-2-METHYL-PIPERIDIN-4-ONE, 1-Boc-2-Methyl-Piperidinone, 1-Boc-2-methyl-4-piperidinone, 1-N-BOC-2-METHYL-PIPERIDIN-4-ONE, 1-TERT-BUTOXYCARBONYL-2-METHYL-4-PIPERIDONE, 1-n-boc-2-methylpiperidin-4-one, 1-t-butoxycarbonyl-2-methyl-4-piperidone, 2-METHYL-4-OXOPIPERIDINE, N-BOC PROTECTED, 2-Methyl-4-oxopiperidine, N-BOC protected 97%, 2-methyl-4-oxo-piperidine-1-carboxylic acid tert-butyl ester, MFCD04035608, N-(t-butyloxycarbonyl)-2-methyl-4-piperidone, N-Boc-(+/-)-2-methyl-4-piperidone, N-Boc-2-Methylpiperidone

tert-butyl 2-methyl-4-oxopiperidine-1-carboxylate (CAS 190906-92-4) 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.
190906-92-4
Jingsj CID
J-1425906-4
Molecular Formula
C11H19NO3
Molecular Weight
213.273 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point298.8±33.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point134.5±25.4 °C
Exact Mass213.136490
PSA46.61000
LogP0.88
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.471
Storage Conditions2-8°C

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 tert-butyl 2-methyl-4-oxopiperidine-1-carboxylate?

The CAS number of tert-butyl 2-methyl-4-oxopiperidine-1-carboxylate is 190906-92-4.

What are the molecular formula and molecular weight of tert-butyl 2-methyl-4-oxopiperidine-1-carboxylate?

tert-butyl 2-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 2-methyl-4-oxopiperidine-1-carboxylate?

For tert-butyl 2-methyl-4-oxopiperidine-1-carboxylate, Upstream Products: 2-Methyl-4-piperidone, Di-tert-butyl dicarbonate, Benzyl 2-methyl-4-oxopiperidine-1-carboxylate; Downstream Products: (R)-tert-Butyl 2-methyl-4-oxopiperidine-1-carboxylate, tert-butyl (2S)-2-methyl-4-oxopiperidine-1-carboxylate, tert-butyl (2R,4R)-4-hydroxy-2-methylpiperidine-1-carboxylate.

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

Last updated:

How to cite: Jingsj. "tert-butyl 2-methyl-4-oxopiperidine-1-carboxylate (CAS 190906-92-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1425906-4 (accessed 2026-11-09).

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