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

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. 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-1184985-7
Molecular Formula
C12H19NO4
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)
Exact Mass241.13100
PSA68.12000
LogP1.83320

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.

What are the upstream and downstream products of Methyl (1R,4S)-4-((tert-butoxycarbonyl)amino)cyclopent-2-ene-1-carboxylate?

For Methyl (1R,4S)-4-((tert-butoxycarbonyl)amino)cyclopent-2-ene-1-carboxylate, Upstream Products: Di-tert-butyl dicarbonate, (1R,4S)-4-((tert-Butoxycarbonyl)amino)cyclopent-2-enecarboxylic acid, iodomethane; Downstream Products: methyl (1R,3S,4R)-3-{[(tert-butoxy)carbonyl]amino}-4-hydroxycyclopentane-1-carboxylate, methyl (1R,3S,4S)-3-{[(tert-butoxy)carbonyl]amino}-4-hydroxycyclopentane-1-carboxylate, methyl (1S,3S,4R)-3-[(tert-butoxycarbonyl)amino]-4-hydroxycyclopentane-1-carboxylate.

Data compiled from public chemical databases such as PubChem 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-1184985-7 (accessed 2026-11-09).

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