Research chemical
CAS Number: 491876-41-6
Product details
For laboratory research and professional procurement workflows.
PubChem CID
22173050
Exact Mass
142.062136
InChIKey
XLMPAVXAVNXSCX-UHFFFAOYSA-N
IUPAC Name
2-trimethylsilylethynylboronic acid
SMILES String
C[Si](C)(C)C#CB(O)O
No physical property values available.
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Catalog navigation
Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.
Trimethylsilylethynylboronic acid is identified by CAS 491876-41-6, with molecular formula C5H11BO2Si, molecular weight 142.04, InChIKey XLMPAVXAVNXSCX-UHFFFAOYSA-N.
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.
Availability, pack size, lead time, and pricing are confirmed through RFQ.
Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.
Heavy atom count
9
H-bond acceptors
2
H-bond donors
2
Rotatable bonds
0
Ring count
0
Aromatic rings
0
Topological polar surface area
40.46 Ų
Computed LogP
-0.12
Fragment-like structure rule
Yes
Lead-like structure rule
No
Drug-like structure rule
No
Structure family
boronic acid or boronate
Precious metal motif
No
Transition metal motif
No
Phosphine ligand motif
No
N-heterocycle motif
No
Boronic acid motif
Yes
Computed structure descriptors generated from molecular structure. These are not experimental physical property values, supplier specifications, SDS data, or bioactivity claims.
Structural features
Trimethylsilylethynylboronic acid (CAS 491876-41-6) is maintained as a commercial cas reference with formula C5H11BO2Si, molecular weight 142. 04 g/mol, PubChem CID 22173050.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Use this page for CAS identity lookup, internal catalog search, and commercial discovery workflows; structure-derived tags include boronic-acid-related structure, fragment-like structure profile.
Documentation needs
Review supplier documentation before handling; for research use only.
Safety and handling reference content is available through documentation requests.
For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.