FK 888 - Moligand™, ≥98%(HPLC) , Antagonist of NK 1 receptor;Antagonist of NK 2 receptor, CAS No.138449-07-7, Antagonist of NK 1 receptor;Antagonist of NK 2 receptor

CAS: 138449-07-7 Cat. No.: F287031 Molecular Weight: 588.69 PubChem CID: 107967
AVAILABLE TO ORDER
GRADE & PURITY Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%(HPLC)
Synonyms
DTXSID70160680 | (4R)-4-Hydroxy-1-[(1-methyl-1H-indol-3-yl)carbonyl]-L-prolyl-N-methyl-3-(2-naphthalenyl)-N-(phenylmethyl)-L-alaninamide | FK888 | FK-888 | FK 888 | L-Alaninamide, (4R)-4-hydroxy-1-((1-methyl-1H-indol-3-yl)carbonyl)-L-prolyl-N-methyl-3-(2-
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5mg
F287031-5mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$348.90
10mg
F287031-10mg
1
$626.90
25mg
F287031-25mg
1
$1,239.90
50mg
F287031-50mg
1
$1,979.90
Enter a quantity for the sizes you want to add.
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Why this grade

Moligand™, ≥98%(HPLC) Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
DTXSID70160680 | (4R)-4-Hydroxy-1-[(1-methyl-1H-indol-3-yl)carbonyl]-L-prolyl-N-methyl-3-(2-naphthalenyl)-N-(phenylmethyl)-L-alaninamide | FK888 | FK-888 | FK 888 | L-Alaninamide, (4R)-4-hydroxy-1-((1-methyl-1H-indol-3-yl)carbonyl)-L-prolyl-N-methyl-3-(2-
Specifications & Purity
Moligand™, ≥98%(HPLC)
Biochemical and Physiological Mechanisms
Selective, high affinity tachykinin NK1receptor antagonist (Ki= 0.69 nM) that displays 320-fold selectivity for human over rat NK1receptors. Inhibits substance P-induced contraction of isolated guinea pig trachea (IC50= 32 nM) and inhibits substance P-ind
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
Moligand™
Action Type
ANTAGONIST
Mechanism of action
Antagonist of NK 1 receptor;Antagonist of NK 2 receptor
Purity
≥98%(HPLC)
Names and Identifiers
Canonical SmilesCN1C=C(C2=CC=CC=C21)C(=O)N3CC(CC3C(=O)NC(CC4=CC5=CC=CC=C5C=C4)C(=O)N(C)CC6=CC=CC=C6)O
IUPAC Name(2S,4R)-N-[(2S)-1-[benzyl(methyl)amino]-3-naphthalen-2-yl-1-oxopropan-2-yl]-4-hydroxy-1-(1-methylindole-3-carbonyl)pyrrolidine-2-carboxamide
InChIKeyBFNKQTIJVFGCKQ-PDJGWCFMSA-N
INCHI1S/C36H36N4O4/c1-38-23-30(29-14-8-9-15-32(29)38)35(43)40-22-28(41)20-33(40)34(42)37-31(36(44)39(2)21-24-10-4-3-5-11-24)19-25-16-17-26-12-6-7-13-27(26)18-25/h3-18,23,28,31,33,41H,19-22H2,1-2H3,(H,37,42)/t28-,31+,33+/m1/s1
Isomeric SMILES CN1C=C(C2=CC=CC=C21)C(=O)N3C[C@@H](C[C@H]3C(=O)N[C@@H](CC4=CC5=CC=CC=C5C=C4)C(=O)N(C)CC6=CC=CC=C6)O
PubChem CID 107967
Molecular Weight 588.69

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives - Alpha amino acids and derivatives
Direct ParentN-acyl-alpha amino acids and derivatives
Alternative Parents Alpha amino acid amides  Indolecarboxamides and derivatives  N-alkylindoles  Naphthalenes  Indoles  Pyrrole carboxamides  N-acylpyrrolidines  Benzene and substituted derivatives  N-methylpyrroles  Vinylogous amides  Tertiary carboxylic acid amides  Heteroaromatic compounds  Secondary alcohols  Propargyl-type 1,3-dipolar organic compounds  Azacyclic compounds  Carboximidic acids  Hydrocarbon derivatives  Carbonyl compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents N-acyl-alpha amino acid or derivatives - Alpha-amino acid amide - Indolecarboxamide derivative - Indolecarboxylic acid derivative - N-alkylindole - Naphthalene - Indole - Indole or derivatives - N-acylpyrrolidine - Pyrrole-3-carboxamide - Pyrrole-3-carboxylic acid or derivatives - N-methylpyrrole - Benzenoid - Monocyclic benzene moiety - Substituted pyrrole - Heteroaromatic compound - Tertiary carboxylic acid amide - Vinylogous amide - Pyrrole - Pyrrolidine - Carboxamide group - Secondary alcohol - Organic 1,3-dipolar compound - Carboximidic acid derivative - Azacycle - Organoheterocyclic compound - Carboximidic acid - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Organopnictogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Alcohol - Carbonyl group - Organonitrogen compound - Organooxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as n-acyl-alpha amino acids and derivatives. These are compounds containing an alpha amino acid (or a derivative thereof) which bears an acyl group at its terminal nitrogen atom.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
TACR1 Tclin Substance-P receptor (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
TACR2 Tchem Substance-K receptor (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
ALOX15B Tchem Arachidonate 15-lipoxygenase, type II (7244 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Cruzipain (33337 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Hdac6 Histone deacetylase 6 (222 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mapt Microtubule-associated protein tau (6 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

6 results found

Lot NumberCertificate TypeDateItem
B2513210Certificate of AnalysisSep 30, 2024 F287031
B2513211Certificate of AnalysisSep 30, 2024 F287031
B2513212Certificate of AnalysisSep 30, 2024 F287031
B2513213Certificate of AnalysisSep 30, 2024 F287031
B2513225Certificate of AnalysisSep 30, 2024 F287031
B2513226Certificate of AnalysisSep 30, 2024 F287031
Chemical and Physical Properties
SolubilitySolvent:DMSO, Max Conc. mg/mL: 58.87, Max Conc. mM: 100; Solvent:ethanol, Max Conc. mg/mL: 58.87, Max Conc. mM: 100
Molecular Weight588.700 g/mol
XLogP34.600
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count8
Exact Mass588.274 Da
Monoisotopic Mass588.274 Da
Topological Polar Surface Area94.900 Ų
Heavy Atom Count44
Formal Charge0
Complexity1020.000
Isotope Atom Count0
Defined Atom Stereocenter Count3
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
Reviews

Customer Reviews

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