tert-butyl 4-hydroxy-4-methylpiperidine-1-carboxylate

Also known as: N-Boc-4-methyl-4-hydroxypiperidine, 1-Boc-4-hydroxy-4-methylpiperidine, 1-Piperidinecarboxylic acid, 4-hydroxy-4-methyl-, 1,1-dimethylethyl ester, 2-Methyl-2-propanyl 4-hydroxy-4-methyl-1-piperidinecarboxylate

tert-butyl 4-hydroxy-4-methylpiperidine-1-carboxylate (CAS 406235-30-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H21NO3 and a molecular weight of 215.289 g/mol. Key properties include a boiling point of 296.4±33.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 133.0±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 406235-30-1
Jingsj CID: J-1036289-7
Molecular Formula: C₁₁H₂₁NO₃
Molecular Weight: 215.289 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	296.4±33.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	133.0±25.4 °C
Exact Mass	215.152145
PSA	49.77000
LogP	1.15
Vapor Pressure	0.0±1.4 mmHg at 25°C
Refractive Index	1.488

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 4-hydroxy-4-methylpiperidine-1-carboxylate?

The CAS number of tert-butyl 4-hydroxy-4-methylpiperidine-1-carboxylate is 406235-30-1.

What are the molecular formula and molecular weight of tert-butyl 4-hydroxy-4-methylpiperidine-1-carboxylate?

tert-butyl 4-hydroxy-4-methylpiperidine-1-carboxylate has molecular formula C11H21NO3 and molecular weight 215.289 g/mol.

What are the upstream and downstream products of tert-butyl 4-hydroxy-4-methylpiperidine-1-carboxylate?

For tert-butyl 4-hydroxy-4-methylpiperidine-1-carboxylate, Upstream Products: Methylmagnesium bromide, Methylmagnesium chloride, Methyllithium; Downstream Products: 4-Methylpiperidin-4-ol, 4-Methylpiperidin-4-ol 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 4-hydroxy-4-methylpiperidine-1-carboxylate (CAS 406235-30-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1036289-7 (accessed 2026-11-09).

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