4-((tert-Butoxycarbonyl)(methyl)amino)benzoic acid

Also known as: 4-(N-Boc-N-methylamino)benzoic acid, 4-(N-t-butyloxycarbonyl-N-methylamino)benzoic acid, 4-(tert-butoxycarbonyl-methyl-amino)-benzoic acid, 4-[(tert-butoxycarbonyl)(methyl)amino]benzoic acid, 4-[methyl-[(2-methylpropan-2-yl)oxycarbonyl]amino]benzoic acid, Benzoic acid, 4-[[(1,1-dimethylethoxy)carbonyl]methylamino]-, N-Boc-4-(methylamino)benzoic acid

4-((tert-Butoxycarbonyl)(methyl)amino)benzoic acid (CAS 263021-30-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H17NO4 and a molecular weight of 251.278 g/mol. Key properties include a boiling point of 385.9±25.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 187.2±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 263021-30-3
Jingsj CID: J-1523646-1
Molecular Formula: C₁₃H₁₇NO₄
Molecular Weight: 251.278 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	385.9±25.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	187.2±23.2 °C
Exact Mass	251.115753
PSA	66.84000
LogP	3.30
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.560

Customs & Trade Information

HS Code	2922509090
Summary	2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. 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 4-((tert-Butoxycarbonyl)(methyl)amino)benzoic acid?

The CAS number of 4-((tert-Butoxycarbonyl)(methyl)amino)benzoic acid is 263021-30-3.

What are the molecular formula and molecular weight of 4-((tert-Butoxycarbonyl)(methyl)amino)benzoic acid?

4-((tert-Butoxycarbonyl)(methyl)amino)benzoic acid has molecular formula C13H17NO4 and molecular weight 251.278 g/mol.

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-Butoxycarbonyl)(methyl)amino)benzoic acid (CAS 263021-30-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523646-1 (accessed 2026-11-09).

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