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tert-Butyl (2R)-2-ethynylpyrrolidine-1-carboxylate

Also known as: (R)-1-BOC-2-ETHYNYLPYRROLIDINE, (R)-tert-butyl 2-ethynylpyrrolidine-1-carboxylate, 1,1-Dimethylethyl (2R)-2-ethynyl-1-pyrrolidinecarboxylate, 1-Pyrrolidinecarboxylic acid, 2-ethynyl-, 1,1-dimethylethyl ester, (2R)-, 1-tert-Butoxycarbonyl-2-ethynylpyrrolidine, 2-Ethynyl-pyrrolidine-1-carboxylic acid tert-butyl ester, tert-butyl (2R)-2-ethynylpyrrolidine-1-carboxylate

tert-Butyl (2R)-2-ethynylpyrrolidine-1-carboxylate (CAS 130418-90-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H17NO2 and a molecular weight of 195.25800 g/mol. Key properties include a boiling point of 249.165ºC at 760 mmHg, a density of 1.041g/cm3 and a flash point of 104.491ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
130418-90-5
Jingsj CID
J-1560009-6
Molecular Formula
C11H17NO2
Molecular Weight
195.25800 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point249.165ºC at 760 mmHg
Density1.041g/cm3
Flash Point104.491ºC
Exact Mass195.12600
PSA29.54000
LogP1.95700
Vapor Pressure0.023mmHg at 25°C
Refractive Index1.492

Frequently Asked Questions

What is the CAS number of tert-Butyl (2R)-2-ethynylpyrrolidine-1-carboxylate?

The CAS number of tert-Butyl (2R)-2-ethynylpyrrolidine-1-carboxylate is 130418-90-5.

What are the molecular formula and molecular weight of tert-Butyl (2R)-2-ethynylpyrrolidine-1-carboxylate?

tert-Butyl (2R)-2-ethynylpyrrolidine-1-carboxylate has molecular formula C11H17NO2 and molecular weight 195.25800 g/mol.

What are the upstream and downstream products of tert-Butyl (2R)-2-ethynylpyrrolidine-1-carboxylate?

For tert-Butyl (2R)-2-ethynylpyrrolidine-1-carboxylate, Upstream Products: Dimethyl (1-diazo-2-oxopropyl)phosphonate, tert-butyl (2S)-2-[methoxy(methyl)carbamoyl]pyrrolidine-1-carboxylate, N-Boc-L-Prolinal.

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

Last updated:

How to cite: Jingsj. "tert-Butyl (2R)-2-ethynylpyrrolidine-1-carboxylate (CAS 130418-90-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1560009-6 (accessed 2026-11-09).

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