4-Methylsulfonylphenylboronic acid, pinacol ester - ≥98% , CAS No.603143-27-7

CAS: 603143-27-7 Cat. No.: M185504 Molecular Weight: 282.2 EC Number: 675-103-2
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
4,4,5,5-tetra methyl-2-(4-(methylsulfonyl)phenyl)-1,3,2-dioxaborolane | AS-2743 | Z1741964481 | 4-Methylsulfonylphenylboronic acid,pinacol ester | BDOSWBBKOSGKAV-UHFFFAOYSA-N | n-methyliodofluoroacetamide | AB22736 | SCHEMBL10904 | AKOS015960086 | 2-(4-me
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
M185504-1g
≥10

$9.90

$14.90
Save $5.00 (33.56%)
5g
M185504-5g
3

$43.90

$65.90
Save $22.00 (33.38%)
25g
M185504-25g
1

$218.90

$328.90
Save $110.00 (33.44%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

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

🌡

Storage & shipping

Room temperature Ships Normal 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
4, 4, 5, 5-tetra methyl-2-(4-(methylsulfonyl)phenyl)-1, 3, 2-dioxaborolane | AS-2743 | Z1741964481 | 4-Methylsulfonylphenylboronic acid, pinacol ester | BDOSWBBKOSGKAV-UHFFFAOYSA-N | n-methyliodofluoroacetamide | AB22736 | SCHEMBL10904 | AKOS015960086 | 2-(4-me
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488193141
Canonical SmilesB1(OC(C(O1)(C)C)(C)C)C2=CC=C(C=C2)S(=O)(=O)C
IUPAC Name4,4,5,5-tetramethyl-2-(4-methylsulfonylphenyl)-1,3,2-dioxaborolane
InChIKeyBDOSWBBKOSGKAV-UHFFFAOYSA-N
INCHI1S/C13H19BO4S/c1-12(2)13(3,4)18-14(17-12)10-6-8-11(9-7-10)19(5,15)16/h6-9H,1-5H3
Isomeric SMILES B1(OC(C(O1)(C)C)(C)C)C2=CC=C(C=C2)S(=O)(=O)C
Molecular Weight 282.2
Reaxy-Rn 14227527
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=14227527&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
SubclassBenzenesulfonyl compounds
Intermediate Tree Nodes Not available
Direct ParentBenzenesulfonyl compounds
Alternative Parents Sulfones  Dioxaborolanes  Boronic acid esters  Oxacyclic compounds  Organic metalloid salts  Organooxygen compounds  Organoboron compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Benzenesulfonyl group - Boronic acid ester - 1,3,2-dioxaborolane - Sulfone - Sulfonyl - Boronic acid derivative - Oxacycle - Organic metalloid salt - Organoheterocyclic compound - Organosulfur compound - Organooxygen compound - Organoboron compound - Hydrocarbon derivative - Organic oxygen compound - Organic salt - Organic oxide - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzenesulfonyl compounds. These are aromatic compounds containing a benzenesulfonyl group, which consists of a monocyclic benzene moiety that carries a sulfonyl group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

3 results found

Lot NumberCertificate TypeDateItem
B2602036Certificate of AnalysisFeb 10, 2026 M185504
C2017080Certificate of AnalysisJan 08, 2024 M185504
L2219181Certificate of AnalysisJan 06, 2023 M185504
Chemical and Physical Properties
Molecular Weight282.200 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count2
Exact Mass282.11 Da
Monoisotopic Mass282.11 Da
Topological Polar Surface Area61.000 Ų
Heavy Atom Count19
Formal Charge0
Complexity414.000
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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