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

Also known as: N-Boc-L-homoserine Methyl Ester, Boc-L-homoserine methyl ester, N-BOC-L-HOMOSERINE METHYL ESTER, L-Homoserine, N-[(1,1-dimethylethoxy)carbonyl]-, methyl ester, Methyl N-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-homoserinate, N-[(1,1-Dimethylethoxy)carbonyl]-L-homoserine Methyl Ester, N-tert-Butoxycarbonyl-L-homoserine Methyl Ester, methyl (2S)-4-hydroxy-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoate, methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-4-hydroxybutanoate, tert-butyl (S)-1-(methoxycarbonyl)-3-hydroxypropylcarbamate, (S)-2-(tert-Butoxycarbonylamino)-4-hydroxybutyric Acid Methyl Ester

(S)-Methyl 2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate (CAS 120042-11-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H19NO5 and a molecular weight of 233.262 g/mol. Key properties include a boiling point of 364.6±37.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 174.3±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
120042-11-7
Jingsj CID
J-1559923-2
Molecular Formula
C10H19NO5
Molecular Weight
233.262 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point364.6±37.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point174.3±26.5 °C
Exact Mass233.126328
PSA88.35000
LogP1.29
Vapor Pressure0.0±1.8 mmHg at 25°C
Refractive Index1.462

Customs & Trade Information

HS Code2924199090
Summary2924199090. 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 (S)-Methyl 2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate?

The CAS number of (S)-Methyl 2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate is 120042-11-7.

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

(S)-Methyl 2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate has molecular formula C10H19NO5 and molecular weight 233.262 g/mol.

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

For (S)-Methyl 2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate, Upstream Products: Di-tert-butyl dicarbonate, Boc-L-aspartic acid 1-benzyl ester, Isobutyl chloroformate; Downstream Products: tert-Butyl N-[(3S)-2-oxooxolan-3-yl]carbamate.

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

Last updated:

How to cite: Jingsj. "(S)-Methyl 2-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate (CAS 120042-11-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1559923-2 (accessed 2026-11-09).

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