(2S)-8-tert-butoxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)-8-oxooctanoic acid

Also known as: Fmoc-Asu(OtBu)-OH, Fmoc-(S)-Asu(OtBu)-OH, (S)-2-Fmoc-amino-octanedioic acid 8-tert-butyl ester, (S)-Fmoc-2-Aminooctanedioic acid 8-tert-butyl ester, N-alpha-9-Fluorenylmethoxycarbonyl-L-alpha-aminosuberic acid omega-tert-butyl ester

(2S)-8-tert-butoxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)-8-oxooctanoic acid (CAS 276869-41-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C27H33NO6 and a molecular weight of 467.554 g/mol. Key properties include a boiling point of 633.8±55.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 337.1±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 276869-41-1
Jingsj CID: J-1028205-0
Molecular Formula: C₂₇H₃₃NO₆
Molecular Weight: 467.554 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	633.8±55.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	337.1±31.5 °C
Exact Mass	467.230774
PSA	101.93000
LogP	5.79
Vapor Pressure	0.0±2.0 mmHg at 25°C
Refractive Index	1.558

Frequently Asked Questions

What is the CAS number of (2S)-8-tert-butoxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)-8-oxooctanoic acid?

The CAS number of (2S)-8-tert-butoxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)-8-oxooctanoic acid is 276869-41-1.

What are the molecular formula and molecular weight of (2S)-8-tert-butoxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)-8-oxooctanoic acid?

(2S)-8-tert-butoxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)-8-oxooctanoic acid has molecular formula C27H33NO6 and molecular weight 467.554 g/mol.

What are the upstream and downstream products of (2S)-8-tert-butoxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)-8-oxooctanoic acid?

For (2S)-8-tert-butoxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)-8-oxooctanoic acid, Upstream Products: 4-Pentenoic acid, 1,1-dimethylethyl ester, Fmoc-L-Allylglycine, (S)-2-Fmoc-amino-pent-4-enoic acid 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. "(2S)-8-tert-butoxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)-8-oxooctanoic acid (CAS 276869-41-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1028205-0 (accessed 2026-11-09).

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