4-Fluoro-L-phenylalanine hydrochloride

L-4-氟苯丙氨酸盐酸盐

Also known as: (S)-2-Amino-3-(4-fluorophenyl)propanoic acid hydrochloride, H-Phe(4-F)-OH·HCl, L-4-Fluorophenylalanine hydrochloride, 4-Fluoro-L-phenylalanine hydrochloride, MFCD01863499

4-Fluoro-L-phenylalanine hydrochloride (CAS 64231-54-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H11ClFNO2 and a molecular weight of 219.641 g/mol. It is also known as (S)-2-Amino-3-(4-fluorophenyl)propanoic acid hydrochloride, H-Phe(4-F)-OH·HCl and L-4-Fluorophenylalanine hydrochloride. Key property: a melting point of 245-251ºC (dec.)(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
64231-54-5
Jingsj CID
J-13590-8
Molecular Formula
C9H11ClFNO2
Chinese Name
L-4-氟苯丙氨酸盐酸盐
Molecular Weight
219.641 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point245-251ºC (dec.)(lit.)
Exact Mass219.046234
PSA63.32000
LogP2.28240

Activity & Biological Data

Additional Information[1]. Gullbo J, et al. Structure-activity relationship for alkylating dipeptide nitrogen mustard derivatives. Oncol Res. 2003;14(3):113-32.

Customs & Trade Information

HS Code2922499990
SummaryHS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Fluoro-L-phenylalanine hydrochloride?

The CAS number of 4-Fluoro-L-phenylalanine hydrochloride is 64231-54-5.

What are the molecular formula and molecular weight of 4-Fluoro-L-phenylalanine hydrochloride?

4-Fluoro-L-phenylalanine hydrochloride has molecular formula C9H11ClFNO2 and molecular weight 219.641 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Fluoro-L-phenylalanine hydrochloride (CAS 64231-54-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13590-8 (accessed 2026-10-28).

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