melphalan flufenamide   Click here for help

GtoPdb Ligand ID: 11605

Synonyms: Melflufen | Pepaxti® | Pepaxto® | Prodrug J 1 | Prodrug J-1
Approved drug
melphalan flufenamide is an approved drug (FDA (2021), EMA (2022))
Compound class: Synthetic organic
Comment: Melphalan flufenamide is a peptide-conjugated prodrug of the cytotoxic DNA alkylating drug melphalan [3]. It is highly lipophilic and is rapidly transported into cells where it is quickly hydrolysed by aminopeptidases that are overexpressed by some cancer cells. Melphalan flufenamide is being evaluated as a treatment for multiple myeloma [2,5-6].
The IUPAC Condensed peptide sequence for melphalan flufenamide is H-Phe(Unk)-Phe(4-F)-OEt.
2D Structure
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2D Structure

An image of the ligand's 2D structure. For small molecules with SMILES these are drawn using the NCI/CADD Chemical Identifier Resolver. Click on the image to access the chemical structure search tool with the ligand pre-loaded in the structure editor. For other types of ligands, e.g. longer nucleotides and peptides, a manually drawn representation of the molecule may be provided.

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Physico-chemical Properties
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Physico-chemical Properties

Calculated molecular properties are available for small molecules and natural products (not peptides). Properties were generated using the CDK toolkit. All properties were selected to enable the prediction of the Lipinski Rule-of-Five profile or ‘druglikeness’ for each ligand. For more info on each category see the help pages.

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Hydrogen bond acceptors 6
Hydrogen bond donors 2
Rotatable bonds 15
Topological polar surface area 84.66
Molecular weight 497.16
XLogP 4.57
No. Lipinski's rules broken 1
SMILES / InChI / InChIKey
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SMILES / InChI / InChIKey

SMILES (Simplified Molecular Input Line Entry Specification) A specification for unambiguously describing the structure of chemical molecules using short ASCII strings. Canonical SMILES specify a unique representation of the 2D structure without chiral or isotopic specifications. Isomeric SMILES include chiral specification and isotopes.

Standard InChI (IUPAC International Chemical Identifier) and InChIKey InChI is a non-proprietary, standard, textual identifier for chemical substances designed to facilitate linking of information and database searching. An InChIKey is a simplified version of a full InChI, designed for easier web searching.

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Canonical SMILES ClCCN(c1ccc(cc1)C[C@@H](C(=O)N[C@H](C(=O)OCC)Cc1ccc(cc1)F)N)CCCl
Isomeric SMILES ClCCN(c1ccc(cc1)C[C@@H](C(=O)N[C@H](C(=O)OCC)Cc1ccc(cc1)F)N)CCCl
InChI InChI=1S/C24H30Cl2FN3O3/c1-2-33-24(32)22(16-18-3-7-19(27)8-4-18)29-23(31)21(28)15-17-5-9-20(10-6-17)30(13-11-25)14-12-26/h3-10,21-22H,2,11-16,28H2,1H3,(H,29,31)/t21-,22-/m0/s1
InChI Key YQZNKYXGZSVEHI-VXKWHMMOSA-N
Classification Click here for help
Compound class Synthetic organic
Approved drug? Yes (FDA (2021), EMA (2022))
Is prodrug? Yes
Active form melphalan
IUPAC Name Click here for help
ethyl (2S)-2-[[(2S)-2-amino-3-[4-[bis(2-chloroethyl)amino]phenyl]propanoyl]amino]-3-(4-fluorophenyl)propanoate
International Nonproprietary Names Click here for help
INN number INN
9493 melphalan flufenamide
Synonyms Click here for help
Melflufen | Pepaxti® | Pepaxto® | Prodrug J 1 | Prodrug J-1
Database Links Click here for help
CAS Registry No. 380449-51-4 (source: WHO INN record)
ChEMBL Ligand CHEMBL4303060
GtoPdb PubChem SID 442878639
PubChem CID 9935639
Search Google for chemical match using the InChIKey YQZNKYXGZSVEHI-VXKWHMMOSA-N
Search Google for chemicals with the same backbone YQZNKYXGZSVEHI
Search PubMed clinical trials melphalan flufenamide
Search PubMed titles melphalan flufenamide
Search PubMed titles/abstracts melphalan flufenamide
UniChem Compound Search for chemical match using the InChIKey YQZNKYXGZSVEHI-VXKWHMMOSA-N
UniChem Connectivity Search for chemical match using the InChIKey YQZNKYXGZSVEHI-VXKWHMMOSA-N