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tert-Butyl N-[(3S)-2-oxooxolan-3-yl]carbamate

Also known as: (S)-(-)-alpha-(Boc-amino)-gamma-butyrolactone, (S)-(-)-alpha-(N-t-Boc-amino)-gamma-butyrolactone, Boc-L-homoserine lactone, Boc-Homoserine lactone, Boc-Hsl, (S)-(-)-alpha-(N-Boc-amino)-gamma-butyrolactone, (S)-2-Boc-amino-gamma-butyrolactone, (S)-tert-Butyl (2-oxotetrahydrofuran-3-yl)carbamate, 2-Methyl-2-propanyl [(3S)-2-oxotetrahydro-3-furanyl]carbamate, Carbamic acid, N-[(3S)-tetrahydro-2-oxo-3-furanyl]-, 1,1-dimethylethyl ester, tert-Butyl [(3S)-2-oxotetrahydrofuran-3-yl]carbamate

tert-Butyl N-[(3S)-2-oxooxolan-3-yl]carbamate (CAS 40856-59-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H15NO4 and a molecular weight of 201.220 g/mol. Key properties include a melting point of 173.8°C, a boiling point of 363.7±31.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 173.8±24.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
40856-59-5
Jingsj CID
J-1307492-5
Molecular Formula
C9H15NO4
Molecular Weight
201.220 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point173.8°C
Boiling Point363.7±31.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point173.8±24.8 °C
Exact Mass201.100113
PSA64.63000
LogP0.00
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.474
Storage Conditions2-8°C

Customs & Trade Information

HS Code2932209090
Summary2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of tert-Butyl N-[(3S)-2-oxooxolan-3-yl]carbamate?

The CAS number of tert-Butyl N-[(3S)-2-oxooxolan-3-yl]carbamate is 40856-59-5.

What are the molecular formula and molecular weight of tert-Butyl N-[(3S)-2-oxooxolan-3-yl]carbamate?

tert-Butyl N-[(3S)-2-oxooxolan-3-yl]carbamate has molecular formula C9H15NO4 and molecular weight 201.220 g/mol.

What are the upstream and downstream products of tert-Butyl N-[(3S)-2-oxooxolan-3-yl]carbamate?

For tert-Butyl N-[(3S)-2-oxooxolan-3-yl]carbamate, Upstream Products: Boc-L-homoserine, Di-tert-butyl dicarbonate, alpha-Amino-gamma-butyrolactone hydrobromide; Downstream Products: Boc-L-homoserine.

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 N-[(3S)-2-oxooxolan-3-yl]carbamate (CAS 40856-59-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1307492-5 (accessed 2026-11-09).

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