Atopaxar - Moligand™, ≥98% , Proteinase-activated receptor 1 antagonist, CAS No.751475-53-3, Proteinase-activated receptor 1 antagonist

CAS: 751475-53-3 Cat. No.: A412332 Molecular Weight: 527.63
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%
Synonyms
Atopaxar (USAN) | NCGC00346938-03 | 1-(3-(tert-butyl)-4-methoxy-5-morpholinophenyl)-2-(5,6-diethoxy-7-fluoro-1-iminoisoindolin-2-yl)ethan-1-one | ATOPAXAR [INN] | Atopaxar [USAN] | CHEBI:177793 | LMST05010014 | 2-(5,6-DIETHOXY-7-FLUORO-1-IMINO-1,3-DIHYDRO
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1mg
A412332-1mg
3
$83.90
5mg
A412332-5mg
3
$223.90
10mg
A412332-10mg
2
$408.90
25mg
A412332-25mg
2
$908.90
50mg
A412332-50mg
2
$1,436.90
100mg
A412332-100mg
2
$2,595.90
Enter a quantity for the sizes you want to add.
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Why this grade

Moligand™, ≥98% 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

Atopaxar (E5555) is a potent, orally active, selective and reversible thrombin receptor protease-activated receptor-1 (PAR-1) antagonist. Atopaxar, an antiplatelet agent, interferes with platelet signaling. Atopaxar can be used for the research of atherothrombotic disease                       


Information

Atopaxar (E5555, ER-172594-00) is a potent and orally-active inhibitor of Protease-activated receptor-1 (PAR-1). E5555 inhibited the binding of a high-affinity thrombin receptor-activating peptide ([(3)H]haTRAP) to PAR-1 with IC50 of 0.019μM.


Specifications

Synonyms
Atopaxar (USAN) | NCGC00346938-03 | 1-(3-(tert-butyl)-4-methoxy-5-morpholinophenyl)-2-(5, 6-diethoxy-7-fluoro-1-iminoisoindolin-2-yl)ethan-1-one | ATOPAXAR [INN] | Atopaxar [USAN] | CHEBI:177793 | LMST05010014 | 2-(5, 6-DIETHOXY-7-FLUORO-1-IMINO-1, 3-DIHYDRO
Specifications & Purity
Moligand™, ≥98%
Biochemical and Physiological Mechanisms
Atopaxar (E5555, ER-172594-00) is a potent and orally-active inhibitor of Protease-activated receptor-1 (PAR-1). E5555 inhibited the binding of a high-affinity thrombin receptor-activating peptide ([(3)H]haTRAP) to PAR-1 with IC50 of 0.019μM.
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
Proteinase-activated receptor 1 antagonist
Purity
≥98%
Product Properties
ALogP4.6
Names and Identifiers
Pubchem Sid504765478
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504765478
Canonical SmilesCCOC1=C(C(=C2C(=C1)CN(C2=N)CC(=O)C3=CC(=C(C(=C3)N4CCOCC4)OC)C(C)(C)C)F)OCC
IUPAC Name1-(3-tert-butyl-4-methoxy-5-morpholin-4-ylphenyl)-2-(5,6-diethoxy-4-fluoro-3-imino-1H-isoindol-2-yl)ethanone
InChIKeyQWKAUGRRIXBIPO-UHFFFAOYSA-N
INCHI1S/C29H38FN3O5/c1-7-37-23-15-19-16-33(28(31)24(19)25(30)27(23)38-8-2)17-22(34)18-13-20(29(3,4)5)26(35-6)21(14-18)32-9-11-36-12-10-32/h13-15,31H,7-12,16-17H2,1-6H3
Isomeric SMILES CCOC1=C(C(=C2C(=C1)CN(C2=N)CC(=O)C3=CC(=C(C(=C3)N4CCOCC4)OC)C(C)(C)C)F)OCC
Molecular Weight 527.63
Reaxy-Rn 11849904
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11849904&ln=

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 oxygen compounds
ClassOrganooxygen compounds
SubclassCarbonyl compounds
Intermediate Tree Nodes Ketones - Aryl ketones - Phenylketones
Direct ParentAlkyl-phenylketones
Alternative Parents Phenylmorpholines  Phenylpropanes  Aminophenyl ethers  Methoxyanilines  Isoindolines  Isoindoles  Phenoxy compounds  Anisoles  Aryl alkyl ketones  Methoxybenzenes  Benzoyl derivatives  Dialkylarylamines  Alkyl aryl ethers  Aryl fluorides  Imidolactams  Carboximidamides  Carboxamidines  Azacyclic compounds  Oxacyclic compounds  Dialkyl ethers  Organopnictogen compounds  Organic oxides  Organofluorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Alkyl-phenylketone - Phenylmorpholine - Isoindoline - Isoindole - Aminophenyl ether - Isoindole or derivatives - Phenylpropane - Methoxyaniline - Anisole - Benzoyl - Phenoxy compound - Phenol ether - Tertiary aliphatic/aromatic amine - Aryl alkyl ketone - Dialkylarylamine - Aniline or substituted anilines - Methoxybenzene - Alkyl aryl ether - Monocyclic benzene moiety - Aryl halide - Imidolactam - Aryl fluoride - Benzenoid - Morpholine - Oxazinane - Tertiary amine - Carboximidamide - Oxacycle - Azacycle - Amidine - Carboxylic acid amidine - Dialkyl ether - Ether - Organoheterocyclic compound - Organic oxide - Organofluoride - Organonitrogen compound - Organic nitrogen compound - Amine - Organopnictogen compound - Hydrocarbon derivative - Organohalogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as alkyl-phenylketones. These are aromatic compounds containing a ketone substituted by one alkyl group, and a phenyl group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
F2R Tclin Proteinase-activated receptor 1 (3 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
F2R Tclin Proteinase-activated receptor 1 (1799 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
F2RL1 Tchem Proteinase-activated receptor 2 (703 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.

7 results found

Lot NumberCertificate TypeDateItem
B2602076Certificate of AnalysisFeb 25, 2026 A412332
K2217023Certificate of AnalysisSep 04, 2025 A412332
K2217024Certificate of AnalysisSep 04, 2025 A412332
K2217026Certificate of AnalysisSep 04, 2025 A412332
K2217028Certificate of AnalysisSep 04, 2025 A412332
K2217032Certificate of AnalysisSep 04, 2025 A412332
K2217123Certificate of AnalysisSep 04, 2025 A412332
Chemical and Physical Properties
SolubilityDMSO:250 mg/mL (473.82 mM; Need ultrasonic)
Molecular Weight527.600 g/mol
XLogP34.600
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count8
Rotatable Bond Count10
Exact Mass527.28 Da
Monoisotopic Mass527.28 Da
Topological Polar Surface Area84.300 Ų
Heavy Atom Count38
Formal Charge0
Complexity817.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
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
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