4-Mercaptophenylboronic acid pinacol ester - ≥98% , CAS No.1029438-23-0

CAS: 1029438-23-0 Cat. No.: T302099 Molecular Weight: 236.14 PubChem CID: 57655517
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzenethiol
Storage
Store at 2-8°C,Desiccated
Shipped In
Wet ice
Size
Status
Price
Qty
100mg
T302099-100mg
2

$25.90

$30.90
Save $5.00 (16.18%)
250mg
T302099-250mg
2
$36.90
1g
T302099-1g
2
$118.90
5g
T302099-5g
1
$566.90
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

Store at 2-8°C,Desiccated Ships Wet ice 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, 4, 5, 5-Tetramethyl-1, 3, 2-dioxaborolan-2-yl)benzenethiol
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Desiccated
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid508809369
Canonical SmilesB1(OC(C(O1)(C)C)(C)C)C2=CC=C(C=C2)S
IUPAC Name4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzenethiol
InChIKeyRQGLRPJSYBTXLH-UHFFFAOYSA-N
INCHI1S/C12H17BO2S/c1-11(2)12(3,4)15-13(14-11)9-5-7-10(16)8-6-9/h5-8,16H,1-4H3
Isomeric SMILES B1(OC(C(O1)(C)C)(C)C)C2=CC=C(C=C2)S
PubChem CID 57655517
Molecular Weight 236.14

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
ClassThiophenols
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentThiophenols
Alternative Parents Benzene and substituted derivatives  Dioxaborolanes  Boronic acid esters  Oxacyclic compounds  Organic metalloid salts  Thiols  Organooxygen compounds  Organometalloid compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Thiophenol - Monocyclic benzene moiety - 1,3,2-dioxaborolane - Boronic acid ester - Boronic acid derivative - Oxacycle - Organic metalloid salt - Organoheterocyclic compound - Arylthiol - Organic oxygen compound - Hydrocarbon derivative - Organosulfur compound - Organooxygen compound - Organic metalloid moeity - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as thiophenols. These are compounds containing a thiophenol ring, which a phenol derivative obtained by replacing the oxygen atom from the hydroxyl group (attached to the benzene) by a sulfur atom.
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.

7 results found

Lot NumberCertificate TypeDateItem
D2603093Certificate of AnalysisApr 10, 2026 T302099
L2322111Certificate of AnalysisNov 29, 2023 T302099
L2322112Certificate of AnalysisNov 29, 2023 T302099
L2322114Certificate of AnalysisNov 29, 2023 T302099
L2322116Certificate of AnalysisNov 29, 2023 T302099
L2322118Certificate of AnalysisNov 29, 2023 T302099
L2322119Certificate of AnalysisNov 29, 2023 T302099
Chemical and Physical Properties
Molecular Weight236.140 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass236.104 Da
Monoisotopic Mass236.104 Da
Topological Polar Surface Area19.500 Ų
Heavy Atom Count16
Formal Charge0
Complexity244.000
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

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.