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Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine

Also known as: Fmoc-4-(Boc-methoxy)-L-phenylalanine, Fmoc-4-(tert-butoxycarbonylmethoxy)-L-Phe-OH, Fmoc-4-(tert-butoxycarbonylmethoxy)-Phe-OH, (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[4-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethoxy]phenyl]propanoic acid, (2S)-3-{4-[2-(tert-butoxy)-2-oxoethoxy]phenyl}-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid, L-Tyrosine, O-[2-(1,1-dimethylethoxy)-2-oxoethyl]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-

Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine (CAS 181951-92-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C30H31NO7 and a molecular weight of 517.57000 g/mol. Key properties include a boiling point of 699.6ºC at 760 mmHg, a density of 1.251 g/cm3 and a flash point of 376.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
181951-92-8
Jingsj CID
J-1970740-5
Molecular Formula
C30H31NO7
Molecular Weight
517.57000 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point699.6ºC at 760 mmHg
Density1.251 g/cm3
Flash Point376.9ºC
Exact Mass517.21000
PSA111.16000
LogP5.33240
Storage Conditions2-8°C

Activity & Biological Data

Additional Information[1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-993.

Frequently Asked Questions

What is the CAS number of Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine?

The CAS number of Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine is 181951-92-8.

What are the molecular formula and molecular weight of Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine?

Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine has molecular formula C30H31NO7 and molecular weight 517.57000 g/mol.

What are the upstream and downstream products of Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine?

For Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine, Upstream Products: Fmoc-OSu, tert-Butyl bromoacetate, N-(Benzyloxycarbonyl)-L-tyrosine benzyl ester.

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

Last updated:

How to cite: Jingsj. "Fmoc-4-(tert-butoxycarbonylmethoxy)-L-phenylalanine (CAS 181951-92-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1970740-5 (accessed 2026-11-09).

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