N-(tert-Butoxycarbonyl)-3,4-difluoro-D-phenylalanine

N-(叔丁氧羰基)-3,4-二氟-D-苯丙氨酸

Also known as: Boc-3,4-difluoro-D-phenylalanine, Boc-D-Phe(3,4-DiF)-OH, Boc-D-3,4-difluorophenylalanine, Boc-D-Phe(3,4-F2)-OH, MFCD00672519, (2R)-3-(3,4-difluorophenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid, N-ALPHA-T-BUTYLOXYCARBONYL-D-3,4-DIFLUOROPHENYLALANINE, 3,4-Difluoro-N-{[(2-methyl-2-propanyl)oxy]carbonyl}-D-phenylalanine, Boc-D-Phe(3,4-F)-OH

N-(tert-Butoxycarbonyl)-3,4-difluoro-D-phenylalanine (CAS 205445-51-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H17F2NO4 and a molecular weight of 301.286 g/mol. It is also known as Boc-3,4-difluoro-D-phenylalanine, Boc-D-Phe(3,4-DiF)-OH and Boc-D-3,4-difluorophenylalanine. Key properties include a melting point of 98-110ºC, a boiling point of 430.4±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 214.1±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
205445-51-8
Jingsj CID
J-1987297-3
Molecular Formula
C14H17F2NO4
Chinese Name
N-(叔丁氧羰基)-3,4-二氟-D-苯丙氨酸
Molecular Weight
301.286 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point98-110ºC
Boiling Point430.4±45.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point214.1±28.7 °C

Frequently Asked Questions

What is the CAS number of N-(tert-Butoxycarbonyl)-3,4-difluoro-D-phenylalanine?

The CAS number of N-(tert-Butoxycarbonyl)-3,4-difluoro-D-phenylalanine is 205445-51-8.

What are the molecular formula and molecular weight of N-(tert-Butoxycarbonyl)-3,4-difluoro-D-phenylalanine?

N-(tert-Butoxycarbonyl)-3,4-difluoro-D-phenylalanine has molecular formula C14H17F2NO4 and molecular weight 301.286 g/mol.

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

Last updated:

How to cite: Jingsj. "N-(tert-Butoxycarbonyl)-3,4-difluoro-D-phenylalanine (CAS 205445-51-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1987297-3 (accessed 2026-10-25).

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