MSAB - ≥98% , CAS No.173436-66-3

CAS: 173436-66-3 Cat. No.: M413672 Molecular Weight: 305.35 EC Number: 103-777-5
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Benzoic acid,3-​[[(4-​methylphenyl)​sulfonyl]​amino]​-​,methyl ester | 3-[[(4-Methylphenyl)sulfonyl]amino]-benzoic acid methyl ester | Methyl 3-{[(4-methylphenyl)sulfonyl]amino}benzoate | WI-21
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5mg
M413672-5mg
3
$76.90
10mg
M413672-10mg
2
$121.90
25mg
M413672-25mg
2
$219.90
50mg
M413672-50mg
2
$382.90
100mg
M413672-100mg
2
$532.90
200mg
M413672-200mg
2
$861.90
500mg
M413672-500mg
2
$1,519.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Argon charged 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
Benzoic acid, 3-​[[(4-​methylphenyl)​sulfonyl]​amino]​-​, methyl ester | 3-[[(4-Methylphenyl)sulfonyl]amino]-benzoic acid methyl ester | Methyl 3-{[(4-methylphenyl)sulfonyl]amino}benzoate | WI-21
Specifications & Purity
≥98%
Biochemical and Physiological Mechanisms
MSAB is a selective inhibitor of Wnt/β-catenin signaling that binds to β-catenin, promoting its degradation, and specifically downregulates Wnt/β-catenin target genes. MSAB shows potent anti-tumor effects.A cell-permeable compound that targets β-catenin v
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504760402
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504760402
Canonical SmilesCC1=CC=C(C=C1)S(=O)(=O)NC2=CC=CC(=C2)C(=O)OC
IUPAC Namemethyl 3-[(4-methylphenyl)sulfonylamino]benzoate
InChIKeyCVKBYFCJQSPBOI-UHFFFAOYSA-N
INCHI1S/C15H15NO4S/c1-11-6-8-14(9-7-11)21(18,19)16-13-5-3-4-12(10-13)15(17)20-2/h3-10,16H,1-2H3
Isomeric SMILES CC1=CC=C(C=C1)S(=O)(=O)NC2=CC=CC(=C2)C(=O)OC
Molecular Weight 305.35
Reaxy-Rn 7594151
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=7594151&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
SubclassToluenes
Intermediate Tree Nodes Tosyl compounds
Direct ParentP-toluenesulfonamides
Alternative Parents Sulfanilides  Benzoic acid esters  Benzenesulfonamides  Benzenesulfonyl compounds  Benzoyl derivatives  Organosulfonamides  Methyl esters  Aminosulfonyl compounds  Monocarboxylic acids and derivatives  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents P-toluenesulfonamide - Benzenesulfonamide - Benzoate ester - Sulfanilide - Benzoic acid or derivatives - Benzenesulfonyl group - Benzoyl - Organosulfonic acid amide - Methyl ester - Aminosulfonyl compound - Sulfonyl - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Carboxylic acid ester - Monocarboxylic acid or derivatives - Carboxylic acid derivative - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic oxide - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Hydrocarbon derivative - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as p-toluenesulfonamides. These are aromatic heterocyclic compounds containing a toluene that is p-substituted with a sulfonamide group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
HCT-116 (91556 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.

8 results found

Lot NumberCertificate TypeDateItem
K2229045Certificate of AnalysisSep 16, 2025 M413672
K2229042Certificate of AnalysisSep 16, 2025 M413672
K2229044Certificate of AnalysisSep 16, 2025 M413672
K2229040Certificate of AnalysisSep 16, 2025 M413672
K2229041Certificate of AnalysisSep 16, 2025 M413672
K2229043Certificate of AnalysisSep 16, 2025 M413672
K2229039Certificate of AnalysisSep 16, 2025 M413672
C2515054Certificate of AnalysisOct 09, 2022 M413672
Chemical and Physical Properties
SolubilitySolubility (25°C) In vitro DMSO: 61 mg/mL (199.77 mM); Ethanol: 10 mg/mL (32.74 mM); Water: Insoluble;
Molecular Weight305.400 g/mol
XLogP32.600
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count5
Rotatable Bond Count5
Exact Mass305.072 Da
Monoisotopic Mass305.072 Da
Topological Polar Surface Area80.900 Ų
Heavy Atom Count21
Formal Charge0
Complexity449.000
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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