ML 281 - ≥98%(HPLC) , CAS No.1404437-62-2

CAS: 1404437-62-2 Cat. No.: M288707 Molecular Weight: 389.47
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(HPLC)
Synonyms
N-[2-(3,4-Dihydro-3-oxo-2-quinoxalinyl)-4-(1-methylethyl)phenyl]-2-thiophenecarboxamide | N-(4-isopropyl-2-(3-oxo-3,4-dihydroquinoxalin-2-yl)phenyl)thiophene-2-carboxamide
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5mg
M288707-5mg
3
$91.90
10mg
M288707-10mg
3
$134.90
25mg
M288707-25mg
3
$319.90
50mg
M288707-50mg
2
$575.90
100mg
M288707-100mg
2
$1,112.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98%(HPLC) 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
N-[2-(3, 4-Dihydro-3-oxo-2-quinoxalinyl)-4-(1-methylethyl)phenyl]-2-thiophenecarboxamide | N-(4-isopropyl-2-(3-oxo-3, 4-dihydroquinoxalin-2-yl)phenyl)thiophene-2-carboxamide
Specifications & Purity
≥98%(HPLC)
Biochemical and Physiological Mechanisms
Inhibitor of the serine/threonine kinase STK33 (IC50= 14 nM). Exhibits >700-fold selectivity for STK33 over the structurally related protein kinase A (PKA); also exhibits 550-fold selectivity over Aurora kinase B.
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.
Purity
≥98%(HPLC)
Names and Identifiers
Pubchem Sid504771169
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504771169
Canonical SmilesCC(C)C1=CC(=C(C=C1)NC(=O)C2=CC=CS2)C3=NC4=CC=CC=C4NC3=O
IUPAC NameN-[2-(3-oxo-4H-quinoxalin-2-yl)-4-propan-2-ylphenyl]thiophene-2-carboxamide
InChIKeyHWOYIOLMBQSTQS-UHFFFAOYSA-N
INCHI1S/C22H19N3O2S/c1-13(2)14-9-10-16(24-21(26)19-8-5-11-28-19)15(12-14)20-22(27)25-18-7-4-3-6-17(18)23-20/h3-13H,1-2H3,(H,24,26)(H,25,27)
Isomeric SMILES CC(C)C1=CC(=C(C=C1)NC(=O)C2=CC=CS2)C3=NC4=CC=CC=C4NC3=O
Molecular Weight 389.47
Reaxy-Rn 23144452
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=23144452&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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassAnilides
Intermediate Tree Nodes Not available
Direct ParentAromatic anilides
Alternative Parents Quinoxalines  Phenylpropanes  Cumenes  Thiophene carboxamides  2-heteroaryl carboxamides  Pyrazines  Heteroaromatic compounds  Secondary carboxylic acid amides  Lactams  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Aromatic anilide - Diazanaphthalene - Quinoxaline - Cumene - Phenylpropane - 2-heteroaryl carboxamide - Thiophene carboxamide - Thiophene carboxylic acid or derivatives - Pyrazine - Heteroaromatic compound - Thiophene - Carboxamide group - Lactam - Secondary carboxylic acid amide - Carboxylic acid derivative - Organoheterocyclic compound - Azacycle - Organic nitrogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Organic oxide - Organopnictogen compound - Organic oxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as aromatic anilides. These are aromatic compounds containing an anilide group in which the carboxamide group is substituted with an aromatic group. They have the general structure RNC(=O)R', where R= benzene, and R = aryl group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
STK33 Tchem Serine/threonine-protein kinase 33 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
KDR Tclin Vascular endothelial growth factor receptor 2 (20924 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
FLT3 Tclin Tyrosine-protein kinase receptor FLT3 (13481 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NB-4 (999 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
RPMI-8226 (44974 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
THP-1 (11052 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
U-937 (7138 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
EOL1 (427 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Jurkat (10389 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MDA-MB-231 (73002 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
STK33 Tchem Serine/threonine-protein kinase 33 (769 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SKM-1 (122 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GDM-1 (82 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NOMO-1 (191 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
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
Plasma (328 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.

5 results found

Lot NumberCertificate TypeDateItem
F2204487Certificate of AnalysisMar 04, 2025 M288707
F2204485Certificate of AnalysisJun 10, 2022 M288707
F2204486Certificate of AnalysisJun 10, 2022 M288707
F2204484Certificate of AnalysisJun 10, 2022 M288707
F2204488Certificate of AnalysisJun 10, 2022 M288707
Chemical and Physical Properties
SolubilitySolvent:DMSO, Max Conc. mg/mL: 38.95, Max Conc. mM: 100
Molecular Weight389.500 g/mol
XLogP34.300
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count4
Exact Mass389.12 Da
Monoisotopic Mass389.12 Da
Topological Polar Surface Area98.800 Ų
Heavy Atom Count28
Formal Charge0
Complexity635.000
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
Reviews

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