4-[(tert-butoxy)carbonyl]morpholine-2-carboxylic acid

Also known as: 4-Boc-2-morpholinecarboxylic acid, 4-(tert-Butoxycarbonyl)morpholine-2-carboxylic acid, N-Boc-morpholine-2-carboxylic acid, 4-Boc-morpholine-2-carboxylic acid, Boc-2-carboxymorpholine, Boc-Cop-OH, 2,4-Morpholinedicarboxylic acid, 4-(1,1-dimethylethyl) ester, (R,S)-4-(tert-butoxycarbonyl)morpholin-2-carboxylic acid, N-Boc-2-morpholinecarboxylic acid

4-[(tert-butoxy)carbonyl]morpholine-2-carboxylic acid (CAS 189321-66-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H17NO5 and a molecular weight of 231.246 g/mol. Key properties include a boiling point of 369.5±42.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 177.3±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 189321-66-2
Jingsj CID: J-1501041-0
Molecular Formula: C₁₀H₁₇NO₅
Molecular Weight: 231.246 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	369.5±42.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	177.3±27.9 °C
Exact Mass	231.110672
PSA	76.07000
LogP	0.22
Vapor Pressure	0.0±1.8 mmHg at 25°C
Refractive Index	1.492
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 4-[(tert-butoxy)carbonyl]morpholine-2-carboxylic acid?

The CAS number of 4-[(tert-butoxy)carbonyl]morpholine-2-carboxylic acid is 189321-66-2.

What are the molecular formula and molecular weight of 4-[(tert-butoxy)carbonyl]morpholine-2-carboxylic acid?

4-[(tert-butoxy)carbonyl]morpholine-2-carboxylic acid has molecular formula C10H17NO5 and molecular weight 231.246 g/mol.

What are the upstream and downstream products of 4-[(tert-butoxy)carbonyl]morpholine-2-carboxylic acid?

For 4-[(tert-butoxy)carbonyl]morpholine-2-carboxylic acid, Upstream Products: 4-tert-Butyl 2-methyl morpholine-2,4-dicarboxylate, tert-butyl 2-(hydroxymethyl)morpholine-4-carboxylate, 4-tert-Butyl 2-ethyl morpholine-2,4-dicarboxylate; Downstream Products: Methyl morpholine-2-carboxylate hydrochloride, 2-Morpholinecarboxylic acid, 2-Morpholinemethanol.

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. "4-[(tert-butoxy)carbonyl]morpholine-2-carboxylic acid (CAS 189321-66-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1501041-0 (accessed 2026-11-09).

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