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3-((tert-Butoxycarbonyl)amino)-2-methylpropanoic acid

Also known as: Boc-DL-3-Aminoisobutyric acid, Boc-DL-3-aminoisobutyric acid, 3-(tert-butoxycarbonylamino)-2-methylpropanoic acid, 2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid, N-tert-butoxycarbonyl-3-amino-2(RS)-methylpropionic acid, Propanoic acid, 3-[[(1,1-dimethylethoxy)carbonyl]amino]-2-methyl-, 3-(tert-butoxycarbonyl)-2-methylpropanoic acid, 3-(BOC-AMINO)-2-METHYLPROPANOIC ACID, 2-methyl-3-(tert-butyloxycarbonylamino)propionic acid, REF DUPL: Boc-DL-3-Aminoisobutyric acid

3-((tert-Butoxycarbonyl)amino)-2-methylpropanoic acid (CAS 16948-10-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H17NO4 and a molecular weight of 203.236 g/mol. Key properties include a melting point of 89-90℃ (ethyl ether pentane ), a boiling point of 339.5±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 159.1±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16948-10-0
Jingsj CID
J-1454359-0
Molecular Formula
C9H17NO4
Molecular Weight
203.236 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point89-90℃ (ethyl ether pentane )
Boiling Point339.5±25.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point159.1±23.2 °C
Exact Mass203.115753
PSA75.63000
LogP1.27
Vapor Pressure0.0±1.6 mmHg at 25°C
Refractive Index1.461
Storage Conditions2-8°C

Customs & Trade Information

HS Code2924199090
Summary2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-((tert-Butoxycarbonyl)amino)-2-methylpropanoic acid?

The CAS number of 3-((tert-Butoxycarbonyl)amino)-2-methylpropanoic acid is 16948-10-0.

What are the molecular formula and molecular weight of 3-((tert-Butoxycarbonyl)amino)-2-methylpropanoic acid?

3-((tert-Butoxycarbonyl)amino)-2-methylpropanoic acid has molecular formula C9H17NO4 and molecular weight 203.236 g/mol.

What are the upstream and downstream products of 3-((tert-Butoxycarbonyl)amino)-2-methylpropanoic acid?

For 3-((tert-Butoxycarbonyl)amino)-2-methylpropanoic acid, Upstream Products: DL-3-Aminoisobutyric acid, Di-tert-butyl dicarbonate, Ethyl 2-cyanopropionate; Downstream Products: N-BOC-BETA-ALANINE-ALPHA-METHYL-N-CARBOXYANHYDRIDE.

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

Last updated:

How to cite: Jingsj. "3-((tert-Butoxycarbonyl)amino)-2-methylpropanoic acid (CAS 16948-10-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1454359-0 (accessed 2026-11-09).

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