1-(tert-Butoxycarbonyl)-4-methylpiperidine-4-carboxylic acid

1-(叔丁氧羰基)-4-甲基哌啶-4-羧酸

Also known as: 1-Boc-4-methylpiperidine-4-carboxylic acid, 1-Boc-4-methyl-4-piperidinecarboxylic acid, N-Boc-4-methylpiperidine-4-carboxylic acid, N-tert-butoxycarbonyl-4-methylpiperidine-4-carboxylic acid, 1-tert-butyl 4-methyl piperidine-1,4-dicarboxylate, 4-methyl-1-[(2-methylpropan-2-yl)oxycarbonyl]piperidine-4-carboxylic acid, MFCD02179132

1-(tert-Butoxycarbonyl)-4-methylpiperidine-4-carboxylic acid (CAS 189321-63-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H21NO4 and a molecular weight of 243.299 g/mol. It is also known as 1-Boc-4-methylpiperidine-4-carboxylic acid, 1-Boc-4-methyl-4-piperidinecarboxylic acid and N-Boc-4-methylpiperidine-4-carboxylic acid. Key properties include a melting point of 154 °C, a boiling point of 354.3±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 168.1±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
189321-63-9
Jingsj CID
J-1353470-3
Molecular Formula
C12H21NO4
Chinese Name
1-(叔丁氧羰基)-4-甲基哌啶-4-羧酸
Molecular Weight
243.299 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point154 °C
Boiling Point354.3±35.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point168.1±25.9 °C

Frequently Asked Questions

What is the CAS number of 1-(tert-Butoxycarbonyl)-4-methylpiperidine-4-carboxylic acid?

The CAS number of 1-(tert-Butoxycarbonyl)-4-methylpiperidine-4-carboxylic acid is 189321-63-9.

What are the molecular formula and molecular weight of 1-(tert-Butoxycarbonyl)-4-methylpiperidine-4-carboxylic acid?

1-(tert-Butoxycarbonyl)-4-methylpiperidine-4-carboxylic acid has molecular formula C12H21NO4 and molecular weight 243.299 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(tert-Butoxycarbonyl)-4-methylpiperidine-4-carboxylic acid (CAS 189321-63-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1353470-3 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.