Boc-L-3,4-difluorophenylalanine

N-(叔丁氧羰基)-3,4-二氟-L-苯丙氨酸

Also known as: N-(tert-Butoxycarbonyl)-3,4-difluoro-L-phenylalanine, Boc-3,4-difluoro-L-phenylalanine, Boc-Phe(3,4-F2)-OH, BOC-L-3,4-Difluorophenylalanine, BOC-PHE(3,4-DIF)-OH, BOC-PHE(3,4-F2)-OH, Boc-L-3,4-difluorophenylalanine, Boc-L-Phe(3,4-F2)-OH, BOC-3,4-DIFLUORO-L-PHENYLALANINE, 3,4-Difluoro-N-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-phenylalanine, MFCD00672518

Boc-L-3,4-difluorophenylalanine (CAS 198474-90-7) 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 N-(tert-Butoxycarbonyl)-3,4-difluoro-L-phenylalanine, Boc-3,4-difluoro-L-phenylalanine and Boc-Phe(3,4-F2)-OH. Key properties include a melting point of 95-105ºC, 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.
198474-90-7
Jingsj CID
J-17181-8
Molecular Formula
C14H17F2NO4
Chinese Name
N-(叔丁氧羰基)-3,4-二氟-L-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 Point95-105ºC
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 Boc-L-3,4-difluorophenylalanine?

The CAS number of Boc-L-3,4-difluorophenylalanine is 198474-90-7.

What are the molecular formula and molecular weight of Boc-L-3,4-difluorophenylalanine?

Boc-L-3,4-difluorophenylalanine 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. "Boc-L-3,4-difluorophenylalanine (CAS 198474-90-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17181-8 (accessed 2026-10-22).

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