(S)-Methyl 2-((tert-butoxycarbonyl)amino)pent-4-enoate

Also known as: (2S)-2-(Boc-amino)-4-pentenoic acid methyl ester, (S)-Methyl 2-(tert-butoxycarbonylamino)-pent-4-enoate, (S)-Methyl-2-Boc-AMino-4-pentenoic acid, 4-Pentenoic acid, 2-[[(1,1-dimethylethoxy)carbonyl]amino]-, methyl ester, (2S)-, Boc-Allylglycine methyl ester, Methyl (S)-2-(Boc-amino)-4-pentenoate, methyl (2S)-2-(tert-butoxycarbonylamino)pent-4-enoate, methyl (2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]pent-4-enoate, tert-butyl (S)-1-(methoxycarbonyl)but-3-enylcarbamate

(S)-Methyl 2-((tert-butoxycarbonyl)amino)pent-4-enoate (CAS 89985-87-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H19NO4 and a molecular weight of 229.27300 g/mol. Key properties include a boiling point of 302.0±35.0 °C(Predicted) and a density of 1.035±0.06 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 89985-87-5
Jingsj CID: J-1495576-1
Molecular Formula: C₁₁H₁₉NO₄
Molecular Weight: 229.27300 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	302.0±35.0 °C(Predicted)
Density	1.035±0.06 g/cm3(Predicted)
Exact Mass	229.13100
PSA	64.63000
LogP	2.01970

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 (S)-Methyl 2-((tert-butoxycarbonyl)amino)pent-4-enoate?

The CAS number of (S)-Methyl 2-((tert-butoxycarbonyl)amino)pent-4-enoate is 89985-87-5.

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

(S)-Methyl 2-((tert-butoxycarbonyl)amino)pent-4-enoate has molecular formula C11H19NO4 and molecular weight 229.27300 g/mol.

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

For (S)-Methyl 2-((tert-butoxycarbonyl)amino)pent-4-enoate, Upstream Products: L-Allylglycine, Di-tert-butyl dicarbonate, (S)-N-Boc-allylglycine.

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)-Methyl 2-((tert-butoxycarbonyl)amino)pent-4-enoate (CAS 89985-87-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1495576-1 (accessed 2026-11-09).

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