L-732,138 - Moligand™, ≥98%(HPLC) , Antagonist of NK 1 receptor, CAS No.148451-96-1, Antagonist of NK 1 receptor

CAS: 148451-96-1 Cat. No.: L286835 Molecular Weight: 472.39

COA

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L-732,138 - Moligand™, ≥98%(HPLC) CAS No(148451-96-1) by Aladdin Scientific

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AVAILABLE TO ORDER

GRADE & PURITY Moligand™ ? ≥98%(HPLC)

Synonyms

N-Acetyltryptophan 3,5-bis(trifluoromethyl)benzyl ester | EU-0100028 | BYYQYXVAWXAYQC-IBGZPJMESA-N | 3,5-Bis(trifluoromethyl)benzyl N-acetyltryptophan | N-Acetyl-L-trytophan 3,5-bis(trifluoromethyl)benzyl ester | LP00028 | NCGC00024832-02 | S0772 | BRN 22

Storage

Store at -20°C

Shipped In

Ice chest + Ice pads

Overview Specifications Names and Identifiers Documentation Advanced Data Taxonomic Classification 3D Structure Associated Targets(Human) Associated Targets(non-human) Mechanisms of Action Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Solution Calculators Reviews

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Why this grade

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

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Storage & shipping

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

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Quality documents

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

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Literature proof

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

Overview

Product description：

L-732138 is a selective, potent and competitive neurokinin-1 (NK-1) receptor antagonist with an IC50 of 2.3 nM. L-732138 has 200-fold more potent in cloned human NK-1 receptors than cloned rat NK-1 receptors, and has > 1000-fold more potent than human NK-2 and NK-3 receptors. L-732138 can reduce hyperalgesia and has antitumor action.

Specifications

Synonyms

N-Acetyltryptophan 3, 5-bis(trifluoromethyl)benzyl ester | EU-0100028 | BYYQYXVAWXAYQC-IBGZPJMESA-N | 3, 5-Bis(trifluoromethyl)benzyl N-acetyltryptophan | N-Acetyl-L-trytophan 3, 5-bis(trifluoromethyl)benzyl ester | LP00028 | NCGC00024832-02 | S0772 | BRN 22

Specifications & Purity

Moligand™, ≥98%(HPLC)

Biochemical and Physiological Mechanisms

Potent and highly selective competitive tachykinin NK1receptor antagonist (IC50= 2.3 nM).

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

Purity

≥98%(HPLC)

Names and Identifiers

Pubchem Sid	488187814
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/488187814
Canonical Smiles	CC(=O)NC(CC1=CNC2=CC=CC=C21)C(=O)OCC3=CC(=CC(=C3)C(F)(F)F)C(F)(F)F
IUPAC Name	[3,5-bis(trifluoromethyl)phenyl]methyl (2S)-2-acetamido-3-(1H-indol-3-yl)propanoate
InChIKey	BYYQYXVAWXAYQC-IBGZPJMESA-N
INCHI	1S/C22H18F6N2O3/c1-12(31)30-19(8-14-10-29-18-5-3-2-4-17(14)18)20(32)33-11-13-6-15(21(23,24)25)9-16(7-13)22(26,27)28/h2-7,9-10,19,29H,8,11H2,1H3,(H,30,31)/t19-/m0/s1
Isomeric SMILES	CC(=O)N[C@@H](CC1=CNC2=CC=CC=C21)C(=O)OCC3=CC(=CC(=C3)C(F)(F)F)C(F)(F)F
Alternate CAS	148451-96-1
MeSH Entry Terms	3,5-bis(TFM)Bz NAcTrp;3,5-bis(trifluoromethyl)benzyl N-acetyltryptophan;L 732138;L-732,138;N-acetyl-L-Trp-3,5-bistrifluoromethylbenzyl ester;N-acetyl-L-tryptophan-3,5-bistrifluoromethylbenzyl ester;N-acetyltryptophan 3,5-bis(trifluoromethyl)benzyl ester
Molecular Weight	472.39
Reaxy-Rn	13764338
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=13764338&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ Certificate of Analysis (COA)

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

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organic acids and derivatives
  - Class Carboxylic acids and derivatives
    - Subclass Amino acids, peptides, and analogues
      - Level5 Amino acids and derivatives
        Level6 Alpha amino acids and derivatives
        Level7 N-acyl-alpha amino acids and derivatives

Kingdom	Organic compounds
Superclass	Organic acids and derivatives
Class	Carboxylic acids and derivatives
Subclass	Amino acids, peptides, and analogues
Intermediate Tree Nodes	Amino acids and derivatives - Alpha amino acids and derivatives
Direct Parent	N-acyl-alpha amino acids and derivatives
Alternative Parents	Alpha amino acid esters Indolyl carboxylic acids and derivatives Trifluoromethylbenzenes 3-alkylindoles Benzyloxycarbonyls Fatty acid esters Substituted pyrroles Acetamides Heteroaromatic compounds Secondary carboxylic acid amides Carboxylic acid esters Azacyclic compounds Monocarboxylic acids and derivatives Carbonyl compounds Hydrocarbon derivatives Organic oxides Organofluorides Alkyl fluorides Organonitrogen compounds Organopnictogen compounds
Molecular Framework	Aromatic heteropolycyclic compounds
Substituents	Alpha-amino acid ester - N-acyl-alpha amino acid or derivatives - Indolyl carboxylic acid derivative - Benzyloxycarbonyl - Trifluoromethylbenzene - 3-alkylindole - Indole - Indole or derivatives - Fatty acid ester - Monocyclic benzene moiety - Fatty acyl - Benzenoid - Substituted pyrrole - Heteroaromatic compound - Acetamide - Pyrrole - Carboxamide group - Carboxylic acid ester - Secondary carboxylic acid amide - Monocarboxylic acid or derivatives - Organoheterocyclic compound - Azacycle - Organohalogen compound - Organic nitrogen compound - Hydrocarbon derivative - Organic oxide - Alkyl halide - Alkyl fluoride - Carbonyl group - Organopnictogen compound - Organic oxygen compound - Organofluoride - Organonitrogen compound - Organooxygen compound - Aromatic heteropolycyclic compound
Description	This 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
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

3D Structure

Associated Targets(Human)

TACR1 Tclin Substance-P receptor (22 Activities)

Discover Target: TACR1

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

PTH1R Tclin Parathyroid hormone receptor (47172 Activities)

Discover Target: PTH1R

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

KCNH2 Tclin HERG (29587 Activities)

Discover Target: KCNH2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

TACR1 Tclin Neurokinin 1 receptor (6273 Activities)

Discover Target: TACR1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

TACR2 Tchem Neurokinin 2 receptor (3341 Activities)

Discover Target: TACR2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

POLB Tchem DNA polymerase beta (23632 Activities)

Discover Target: POLB

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ARSA Tbio Cerebroside-sulfatase (655 Activities)

Discover Target: ARSA

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

TACR3 Tchem Neurokinin 3 receptor (1696 Activities)

Discover Target: TACR3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ALDH1A1 Tchem Aldehyde dehydrogenase 1A1 (77053 Activities)

Discover Target: ALDH1A1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CYP2D6 Tclin Cytochrome P450 2D6 (33882 Activities)

Discover Target: CYP2D6

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

NFKB1 Tclin Nuclear factor NF-kappa-B p105 subunit (1459 Activities)

Discover Target: NFKB1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

GLP1R Tclin Glucagon-like peptide 1 receptor (111429 Activities)

Discover Target: GLP1R

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CYP1A2 Tchem Cytochrome P450 1A2 (26471 Activities)

Discover Target: CYP1A2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PIN1 Tchem Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 (36611 Activities)

Discover Target: PIN1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CYP2C9 Tchem Cytochrome P450 2C9 (32119 Activities)

Discover Target: CYP2C9

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CYP2C19 Tchem Cytochrome P450 2C19 (29246 Activities)

Discover Target: CYP2C19

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CYP3A4 Tclin Cytochrome P450 3A4 (53859 Activities)

Discover Target: CYP3A4

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

TP53 Tchem Cellular tumor antigen p53 (48468 Activities)

Discover Target: TP53

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

POLK Tbio DNA polymerase kappa (8653 Activities)

Discover Target: POLK

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

POLI Tchem DNA polymerase iota (116820 Activities)

Discover Target: POLI

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

KDM4A Tchem Lysine-specific demethylase 4A (52245 Activities)

Discover Target: KDM4A

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

APEX1 Tchem DNA-(apurinic or apyrimidinic site) lyase (38016 Activities)

Discover Target: APEX1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

EHMT2 Tchem Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 (93046 Activities)

Discover Target: EHMT2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

KDM4E Tchem Lysine-specific demethylase 4D-like (40243 Activities)

Discover Target: KDM4E

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

LMNA Tbio Prelamin-A/C (36751 Activities)

Discover Target: LMNA

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

BLM Tchem Bloom syndrome protein (4248 Activities)

Discover Target: BLM

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

THPO Tbio Thrombopoietin (834 Activities)

Discover Target: THPO

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

SMAD3 Tchem Mothers against decapentaplegic homolog 3 (68039 Activities)

Discover Target: SMAD3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CBX1 Tbio Chromobox protein homolog 1 (92434 Activities)

Discover Target: CBX1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

MPHOSPH8 Tbio M-phase phosphoprotein 8 (656 Activities)

Discover Target: MPHOSPH8

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

USP1 Tchem Ubiquitin carboxyl-terminal hydrolase 1 (22556 Activities)

Discover Target: USP1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CISD1 Tchem CDGSH iron-sulfur domain-containing protein 1 (222 Activities)

Discover Target: CISD1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

RAPGEF4 Tchem Rap guanine nucleotide exchange factor 4 (11476 Activities)

Discover Target: RAPGEF4

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

MEN1 Tchem Menin/Histone-lysine N-methyltransferase MLL (48157 Activities)

Discover Target: MEN1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Associated Targets(non-human)

Cruzipain (33337 Activities)

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Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Saccharomyces cerevisiae (19171 Activities)

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Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Cavia porcellus (23802 Activities)

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Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

lef Anthrax lethal factor (7585 Activities)

Discover Target: lef

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Npsr1 Neuropeptide S receptor (260 Activities)

Discover Target: Npsr1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Txnrd1 Thioredoxin reductase 1, cytoplasmic (45279 Activities)

Discover Target: Txnrd1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Mapt Microtubule-associated protein tau (6 Activities)

Discover Target: Mapt

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Rorc Nuclear receptor ROR-gamma (89407 Activities)

Discover Target: Rorc

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Impa1 Inositol monophosphatase 1 (16203 Activities)

Discover Target: Impa1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ffp 4'-phosphopantetheinyl transferase ffp (24982 Activities)

Discover Target: ffp

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

FTL Ferritin light chain (43324 Activities)

Discover Target: FTL

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

nfo Endonuclease 4 (425 Activities)

Discover Target: nfo

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

NS1 Nonstructural protein 1 (33327 Activities)

Discover Target: NS1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay 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.

8 results found

Lot Number	Certificate Type	Date	Item
D2308242	Certificate of Analysis	Jan 20, 2026	L286835
D2308243	Certificate of Analysis	Jan 20, 2026	L286835
D2308244	Certificate of Analysis	Jan 20, 2026	L286835
D2308245	Certificate of Analysis	Jan 20, 2026	L286835
D2308247	Certificate of Analysis	Jan 20, 2026	L286835
D2308250	Certificate of Analysis	Jan 20, 2026	L286835
D2308715	Certificate of Analysis	Jan 20, 2026	L286835
D2308716	Certificate of Analysis	Jan 20, 2026	L286835

Chemical and Physical Properties

Solubility	Solvent:ethanol, Max Conc. mg/mL: 47.24, Max Conc. mM: 100; Solvent:DMSO, Max Conc. mg/mL: 47.24, Max Conc. mM: 100
Molecular Weight	472.400 g/mol
XLogP3	4.700
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	9
Rotatable Bond Count	7
Exact Mass	472.122 Da
Monoisotopic Mass	472.122 Da
Topological Polar Surface Area	71.200 Å²
Heavy Atom Count	33
Formal Charge	0
Complexity	677.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	1
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

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Related Products

L-732,138 - Moligand™, 10mM in DMSO , Antagonist of NK 1 receptor, CAS No.148451-96-1

L-732,138 - Moligand™, ≥98%(HPLC) , Antagonist of NK 1 receptor, CAS No.148451-96-1, Antagonist of NK 1 receptor

Why this grade

Storage & shipping

Quality documents

Literature proof

Overview

Specifications

Documentation

📋 Safety Data Sheet (SDS)

✅ Certificate of Analysis (COA)

📊 Datasheet

🔬 Specification Sheet

Advanced Data

Molarity Calculator

Dilution Calculator

Reconstitution Calculator

Customer Reviews

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