(S)-4-Isobutyloxazolidine-2,5-dione

Also known as: L-Leucine NCA, L-Leu-NCA, N-Carboxy-L-leucine anhydride, L-Leucine N-carboxyanhydride, (S)-(-)-4-Isobutyloxazolidine-2,5-dione, (4S)-4β-(2-Methylpropyl)oxazolidine-2,5-dione

(S)-4-Isobutyloxazolidine-2,5-dione (CAS 3190-70-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H11NO3 and a molecular weight of 157.16700 g/mol. Key properties include a melting point of 76-77ºC and a density of 1.125 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3190-70-3
Jingsj CID: J-1072992-7
Molecular Formula: C₇H₁₁NO₃
Molecular Weight: 157.16700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	76-77ºC
Density	1.125 g/cm3
Exact Mass	157.07400
PSA	55.40000
LogP	0.99630
Refractive Index	1.451
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 (S)-4-Isobutyloxazolidine-2,5-dione?

The CAS number of (S)-4-Isobutyloxazolidine-2,5-dione is 3190-70-3.

What are the molecular formula and molecular weight of (S)-4-Isobutyloxazolidine-2,5-dione?

(S)-4-Isobutyloxazolidine-2,5-dione has molecular formula C7H11NO3 and molecular weight 157.16700 g/mol.

What are the upstream and downstream products of (S)-4-Isobutyloxazolidine-2,5-dione?

For (S)-4-Isobutyloxazolidine-2,5-dione, Upstream Products: L-Leucine, Diphosgene, Bis(trichloromethyl) carbonate; Downstream Products: L-Leucylglycine, Hydantoic Acid, L-Leucyl-L-alanine.

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. "(S)-4-Isobutyloxazolidine-2,5-dione (CAS 3190-70-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1072992-7 (accessed 2026-11-09).

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