L-4-Chlorophenylalanine

L-4-氯苯丙氨酸

Also known as: Fenclonine, 4-Chloro-L-phenylalanine, 4-Chloro-Phe-OH, H-Phe(4-Cl)-OH, H-4-Chloro-Phe-OH, L-PCPA, L-PCP, p-Chloro-L-phenylalanine, PCPA, p-CPA, p-Cl-L-Phe-OH, (S)-2-Amino-3-(4-chlorophenyl)propanoic acid, 3-(4-Chlorophenyl)-L-alanine, RARECHEM BK PT 0013, MFCD00063065, EINECS 238-023-5

CAS No.
14173-39-8
Jingsj CID
J-31775-3
Molecular Formula
C9H10ClNO2
Chinese Name
L-4-氯苯丙氨酸
Molecular Weight
199.634 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point235-238ºC
Boiling Point339.5±32.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point159.1±25.1 °C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of L-4-Chlorophenylalanine?

14173-39-8

What are the molecular formula and molecular weight of L-4-Chlorophenylalanine?

C9H10ClNO2, molecular weight 199.634 g/mol

Is L-4-Chlorophenylalanine hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026