(4S,5R)-3-[(2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-(tert-butoxy)-4-oxobutanoyl]-2,2,5-trimethyl-1,3-oxazolidine-4-carboxylic acid

(4S,5R)-3-[(2S)-2-[[(9H-芴-9-基甲氧基)羰基]氨基]-4-叔丁氧基-4-氧代丁酰基]-2,2,5-三甲基噁唑烷-4-羧酸

Also known as: Fmoc-Asp(OtBu)-Thr(psi(Me,Me)pro)-OH, FMOC-ASP(OTBU)-THR(PSIME,MEPRO)-OH, Fmoc-Asp(OtBu)-Thr[Psi(Me,Me)Pro]-OH, FMOC-ASP(OTBU)-THR(PSI(ME,ME)PRO)-OH, (4S,5R)-3-(N-alpha-(9-Fluorenylmethyloxycarbonyl)-L-aspartyl-t-butyl ester)-2,2,5-trimethyloxazolidine-4-carboxylic acid, (4S,5R)-3-[Nα-(9-Fluorenylmethyloxycarbonyl)-L-aspartyl-tert-butyl ester]-2,2,5-trimethyloxazolidine-4-carboxylic acid, (βS,4S)-4-Carboxy-β-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-2,2,5-trimethyl-γ-oxo-3-oxazolidinebutanoic acid 3-(1,1-dimethylethyl) ester

(4S,5R)-3-[(2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-(tert-butoxy)-4-oxobutanoyl]-2,2,5-trimethyl-1,3-oxazolidine-4-carboxylic acid (CAS 920519-32-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C30H36N2O8 and a molecular weight of 552.61500 g/mol. It is also known as Fmoc-Asp(OtBu)-Thr(psi(Me,Me)pro)-OH, FMOC-ASP(OTBU)-THR(PSIME,MEPRO)-OH and Fmoc-Asp(OtBu)-Thr[Psi(Me,Me)Pro]-OH. Key properties include a boiling point of 753.3±60.0 °C (760 mmHg) and a density of 1.240±0.06 g/cm3 (20 °C, 760 mmHg). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
920519-32-0
Jingsj CID
J-1959573-9
Molecular Formula
C30H36N2O8
Chinese Name
(4S,5R)-3-[(2S)-2-[[(9H-芴-9-基甲氧基)羰基]氨基]-4-叔丁氧基-4-氧代丁酰基]-2,2,5-三甲基噁唑烷-4-羧酸
Molecular Weight
552.61500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point753.3±60.0 °C (760 mmHg)
Density1.240±0.06 g/cm3 (20 °C, 760 mmHg)

Frequently Asked Questions

What is the CAS number of (4S,5R)-3-[(2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-(tert-butoxy)-4-oxobutanoyl]-2,2,5-trimethyl-1,3-oxazolidine-4-carboxylic acid?

The CAS number of (4S,5R)-3-[(2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-(tert-butoxy)-4-oxobutanoyl]-2,2,5-trimethyl-1,3-oxazolidine-4-carboxylic acid is 920519-32-0.

What are the molecular formula and molecular weight of (4S,5R)-3-[(2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-(tert-butoxy)-4-oxobutanoyl]-2,2,5-trimethyl-1,3-oxazolidine-4-carboxylic acid?

(4S,5R)-3-[(2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-(tert-butoxy)-4-oxobutanoyl]-2,2,5-trimethyl-1,3-oxazolidine-4-carboxylic acid has molecular formula C30H36N2O8 and molecular weight 552.61500 g/mol.

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

Last updated:

How to cite: Jingsj. "(4S,5R)-3-[(2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-(tert-butoxy)-4-oxobutanoyl]-2,2,5-trimethyl-1,3-oxazolidine-4-carboxylic acid (CAS 920519-32-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959573-9 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.