4-Trimethylsilylbenzeneboronic acid pinacol ester - ≥98% , CAS No.1186026-67-4

CAS: 1186026-67-4 Cat. No.: T729155 Molecular Weight: 276.26 PubChem CID: 17999382
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Storage
Store at 2-8°C,Desiccated
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
T729155-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$9.90
1g
T729155-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$18.90
5g
T729155-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$79.90
25g
T729155-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$319.90
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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

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
Canonical SmilesB1(OC(C(O1)(C)C)(C)C)C2=CC=C(C=C2)[Si](C)(C)C
IUPAC Nametrimethyl-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]silane
InChIKeyOPGOPAKVZDQUMR-UHFFFAOYSA-N
INCHI1S/C15H25BO2Si/c1-14(2)15(3,4)18-16(17-14)12-8-10-13(11-9-12)19(5,6)7/h8-11H,1-7H3
Isomeric SMILES B1(OC(C(O1)(C)C)(C)C)C2=CC=C(C=C2)[Si](C)(C)C
PubChem CID 17999382
Molecular Weight 276.26

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
SuperclassOrganometallic compounds
ClassOrganometalloid compounds
SubclassOrganosilicon compounds
Intermediate Tree Nodes Not available
Direct ParentAlkylarylsilanes
Alternative Parents Benzene and substituted derivatives  Dioxaborolanes  Boronic acid esters  Oxacyclic compounds  Organic metalloid salts  Organooxygen compounds  Hydrocarbon derivatives  Alkylsilanes  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Alkylarylsilane - Benzenoid - Monocyclic benzene moiety - 1,3,2-dioxaborolane - Boronic acid ester - Boronic acid derivative - Oxacycle - Organic metalloid salt - Organoheterocyclic compound - Organic oxygen compound - Hydrocarbon derivative - Alkylsilane - Organooxygen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as alkylarylsilanes. These are organosilicon compounds with the general formula R[Si]R' (R = alkyl, R' = aryl).
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
E2608690Certificate of AnalysisApr 23, 2026 T729155
E2608691Certificate of AnalysisApr 23, 2026 T729155
E2608692Certificate of AnalysisApr 23, 2026 T729155
Chemical and Physical Properties
Molecular Weight276.260 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count2
Exact Mass276.172 Da
Monoisotopic Mass276.172 Da
Topological Polar Surface Area18.500 Ų
Heavy Atom Count19
Formal Charge0
Complexity312.000
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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