(1R,3S)-3-((tert-Butoxycarbonyl)amino)cyclopentanecarboxylic acid

Also known as: (-)-(1R,3S)-N-ALPHA-T-BUTOXYCARBONYL-1-AMINOCYCLOPENTANE-3-CARBOXYLIC ACID, (-)-(1R,3S)-N-BOC-BETA-HOMOCYCLOLEUCINE, (-)-(1R,3S)-N-Boc-3-Aminocyclopentanecarboxylic acid, (1R,3S)-(-)-3-(Boc-amino)cyclopentanecarboxylic acid, (1R,3S)-3-({[(2-Methyl-2-propanyl)oxy]carbonyl}amino)cyclopentanecarboxylic acid, (1R,3S)-N-TERT-BUTOXYCARBONYL-1-AMINOCYCLOPENTANE-3-CARBOXYLIC ACID, Cyclopentanecarboxylic acid, 3-[[(1,1-dimethylethoxy)carbonyl]amino]-, (1R,3S)-, MFCD01320858

(1R,3S)-3-((tert-Butoxycarbonyl)amino)cyclopentanecarboxylic acid (CAS 161660-94-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H19NO4 and a molecular weight of 229.273 g/mol. Key properties include a melting point of 96.1ºC, a boiling point of 382.5±31.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 185.1±24.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 161660-94-2
Jingsj CID: J-1505139-5
Molecular Formula: C₁₁H₁₉NO₄
Molecular Weight: 229.273 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	96.1ºC
Boiling Point	382.5±31.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	185.1±24.8 °C
Exact Mass	229.131409
PSA	75.63000
LogP	1.30
Vapor Pressure	0.0±1.9 mmHg at 25°C
Refractive Index	1.495

Customs & Trade Information

HS Code	2924299090
Summary	2924299090. other cyclic amides (including cyclic 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 (1R,3S)-3-((tert-Butoxycarbonyl)amino)cyclopentanecarboxylic acid?

The CAS number of (1R,3S)-3-((tert-Butoxycarbonyl)amino)cyclopentanecarboxylic acid is 161660-94-2.

What are the molecular formula and molecular weight of (1R,3S)-3-((tert-Butoxycarbonyl)amino)cyclopentanecarboxylic acid?

(1R,3S)-3-((tert-Butoxycarbonyl)amino)cyclopentanecarboxylic acid has molecular formula C11H19NO4 and molecular weight 229.273 g/mol.

What are the upstream and downstream products of (1R,3S)-3-((tert-Butoxycarbonyl)amino)cyclopentanecarboxylic acid?

For (1R,3S)-3-((tert-Butoxycarbonyl)amino)cyclopentanecarboxylic acid, Upstream Products: (1S,4R)-4-[(tert-butoxycarbonyl)amino]cyclopent-2-ene-1-carboxylic acid, 2-Azabicyclo[2.2.1]hept-5-en-3-one, 2-Azabicyclo[2.2.1]heptan-3-one.

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. "(1R,3S)-3-((tert-Butoxycarbonyl)amino)cyclopentanecarboxylic acid (CAS 161660-94-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505139-5 (accessed 2026-11-09).

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