tert-Butyl (S)-2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate

Also known as: tert-Butyl N-(tert-butoxycarbonyl)-L-homoserinate, N-Boc-L-homoserine tert-butyl ester, tert-Butyl (2S)-4-hydroxy-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoate, Boc-L-homoserine-OtBu, N-Boc-L-homoserine butyl ester, tert-Butyl (S)-2-(tert-butoxycarbonylamino)-4-hydroxybutanoate, NW-09-15-1, L-Homoserine, N-[(1,1-dimethylethoxy)carbonyl]-, 1,1-dimethylethyl ester

tert-Butyl (S)-2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate (CAS 81323-58-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H25NO5 and a molecular weight of 275.341 g/mol. Key properties include a boiling point of 393.4±37.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 191.7±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 81323-58-2
Jingsj CID: J-1034050-8
Molecular Formula: C₁₃H₂₅NO₅
Molecular Weight: 275.341 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	393.4±37.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	191.7±26.5 °C
Exact Mass	275.173279
PSA	84.86000
LogP	2.51
Vapor Pressure	0.0±2.0 mmHg at 25°C
Refractive Index	1.464

Customs & Trade Information

HS Code	2924199090
Summary	2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of tert-Butyl (S)-2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate?

The CAS number of tert-Butyl (S)-2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate is 81323-58-2.

What are the molecular formula and molecular weight of tert-Butyl (S)-2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate?

tert-Butyl (S)-2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate has molecular formula C13H25NO5 and molecular weight 275.341 g/mol.

What are the upstream and downstream products of tert-Butyl (S)-2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate?

For tert-Butyl (S)-2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate, Upstream Products: Boc-Asp-OtBu, Di-tert-butyl dicarbonate, Boc-L-aspartic acid 4-benzyl ester.

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. "tert-Butyl (S)-2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate (CAS 81323-58-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1034050-8 (accessed 2026-11-09).

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