Methyl (1R,4S)-4-((tert-butoxycarbonyl)amino)cyclopent-2-ene-1-carboxylate

(1R,4S)-4-((叔丁氧羰基)氨基)环戊-2-烯-1-甲酸甲酯

Also known as: (1R,4S)-Methyl 4-(tert-butoxycarbonylamino)cyclopent-2-enecarboxylate, (1R,4S)-4-tert-butoxycarbonylaminocyclopent-2-enecarboxylic acid methyl ester, (1R,4S)-methyl 4-((tert-butoxycarbonyl)amino)cyclopent-2-enecarboxylate, Methyl (1R,4S)-4-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)-2-cyclopentene-1-carboxylate

Methyl (1R,4S)-4-((tert-butoxycarbonyl)amino)cyclopent-2-ene-1-carboxylate (CAS 251326-99-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H19NO4 and a molecular weight of 241.28400 g/mol. It is also known as (1R,4S)-Methyl 4-(tert-butoxycarbonylamino)cyclopent-2-enecarboxylate, (1R,4S)-4-tert-butoxycarbonylaminocyclopent-2-enecarboxylic acid methyl ester and (1R,4S)-methyl 4-((tert-butoxycarbonyl)amino)cyclopent-2-enecarboxylate. Key properties include a boiling point of 331.2±42.0 °C(Predicted) and a density of 1.10±0.1 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
251326-99-5
Jingsj CID
J-1184985-6
Molecular Formula
C12H19NO4
Chinese Name
(1R,4S)-4-((叔丁氧羰基)氨基)环戊-2-烯-1-甲酸甲酯
Molecular Weight
241.28400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point331.2±42.0 °C(Predicted)
Density1.10±0.1 g/cm3(Predicted)

Frequently Asked Questions

What is the CAS number of Methyl (1R,4S)-4-((tert-butoxycarbonyl)amino)cyclopent-2-ene-1-carboxylate?

The CAS number of Methyl (1R,4S)-4-((tert-butoxycarbonyl)amino)cyclopent-2-ene-1-carboxylate is 251326-99-5.

What are the molecular formula and molecular weight of Methyl (1R,4S)-4-((tert-butoxycarbonyl)amino)cyclopent-2-ene-1-carboxylate?

Methyl (1R,4S)-4-((tert-butoxycarbonyl)amino)cyclopent-2-ene-1-carboxylate has molecular formula C12H19NO4 and molecular weight 241.28400 g/mol.

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

Last updated:

How to cite: Jingsj. "Methyl (1R,4S)-4-((tert-butoxycarbonyl)amino)cyclopent-2-ene-1-carboxylate (CAS 251326-99-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1184985-6 (accessed 2026-10-22).

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