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L-Phenylalanine, L-leucyl-, phenylmethyl ester (monotrifluoroacetate)

CAS No.
70637-28-4
Chemical Name:
L-Phenylalanine, L-leucyl-, phenylmethyl ester (monotrifluoroacetate)
Synonyms
Benzyl leucylphenylalaninate trifluoroacetate (1:1);Benzyl L-leucyl-L-phenylalaninate trifluoroacetate (1:1);L-Phenylalanine, L-leucyl-, phenylmethyl ester (monotrifluoroacetate);(S)-benzyl 2-((S)-2-amino-4-methylpentanamido)-3-phenylpropanoate 2,2,2-trifluoroacetate
CBNumber:
CB43053908
Molecular Formula:
C22H28N2O3.C2HF3O2
Molecular Weight:
482.49
MDL Number:
MOL File:
70637-28-4.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-07-28 20:32:43

L-Phenylalanine, L-leucyl-, phenylmethyl ester (monotrifluoroacetate) Properties

Melting point 172.7-173.5 °C
form Solid
color White to off-white

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P280-P301+P312-P302+P352-P305+P351+P338

L-Phenylalanine, L-leucyl-, phenylmethyl ester (monotrifluoroacetate) price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
ChemScene CS-M3176 Benzyl L-leucyl-L-phenylalaninate TFA ≥98% 70637-28-4 100mg $130 2026-06-04 Buy
ChemScene CS-M3176 Benzyl L-leucyl-L-phenylalaninate TFA ≥98% 70637-28-4 250mg $240 2026-06-04 Buy
ChemScene CS-M3176 Benzyl L-leucyl-L-phenylalaninate TFA ≥98% 70637-28-4 500mg $385 2026-06-04 Buy
Synthonix B66955 (S)-benzyl 2-((S)-2-amino-4-methylpentanamido)-3-phenylpropanoate 2,2,2-trifluoroacetate >98% 70637-28-4 100mg $160 2026-05-06 Buy
Synthonix B66955 (S)-benzyl 2-((S)-2-amino-4-methylpentanamido)-3-phenylpropanoate 2,2,2-trifluoroacetate >98% 70637-28-4 250mg $300 2026-05-06 Buy
Product number Packaging Price Buy
CS-M3176 100mg $130 Buy
CS-M3176 250mg $240 Buy
CS-M3176 500mg $385 Buy
B66955 100mg $160 Buy
B66955 250mg $300 Buy

L-Phenylalanine, L-leucyl-, phenylmethyl ester (monotrifluoroacetate) Chemical Properties, Uses, Production

Uses

Benzyl L-leucyl-L-phenylalaninate TFA is a peptide[1].

References

[1] Johnson HWB, et al. Required Immunoproteasome Subunit Inhibition Profile for Anti-Inflammatory Efficacy and Clinical Candidate KZR-616 ((2 S,3 R)- N-(( S)-3-(Cyclopent-1-en-1-yl)-1-(( R)-2-methyloxiran-2-yl)-1-oxopropan-2-yl)-3-hydroxy-3-(4-methoxyphenyl)-2-(( S)-2-(2-morpholinoacetamido)propanamido)propenamide). J Med Chem. 2018 Dec 27;61(24):11127-11143. DOI:10.1021/acs.jmedchem.8b01201

L-Phenylalanine, L-leucyl-, phenylmethyl ester (monotrifluoroacetate) Preparation Products And Raw materials

Raw materials

Preparation Products

L-Phenylalanine, L-leucyl-, phenylmethyl ester (monotrifluoroacetate) Suppliers

Global Suppliers ( 9)
Supplier Tel Email Country ProdList Advantage
Haoyuan Chemexpress Co., Ltd. 021-58950125 info@chemexpress.com China 7545 61
Lynnchem 86-(0)29-85992781 17792393971 info@lynnchem.com China 4578 58
Novachemistry 44-20819178-90 02081917890 info@novachemistry.com United Kingdom 4372 58
Shanghai Kaiwei Chemical Technology Co., Ltd. 021-58461859 15821823057 service@aiviche.com China 49299 58
Shanghai Haohong Pharmaceutical Co., Ltd. 400-8210725 4008210725 malulu@leyan.com China 54996 58
Block Chemical Technology (Shanghai) Co., Ltd. 021-20432219 13918097649 li_jinfei@acblock-lab.com China 10000 58
https://hanhongsci.com/ 021-54306202 18917919676 info@hanhongsci.com China 29982 58
RD International Technology Co., Limited 18024082417 market@ubiochem.com China 9831 58
L-Phenylalanine, L-leucyl-, phenylmethyl ester (monotrifluoroacetate) Benzyl L-leucyl-L-phenylalaninate trifluoroacetate (1:1) (S)-benzyl 2-((S)-2-amino-4-methylpentanamido)-3-phenylpropanoate 2,2,2-trifluoroacetate Benzyl leucylphenylalaninate trifluoroacetate (1:1) 70637-28-4