Research chemical
CAS Number: 1040281-87-5
Product details
For laboratory research and professional procurement workflows.
PubChem CID
45786372
Exact Mass
300.135531
InChIKey
HTFRZJXCRJCGPS-UHFFFAOYSA-N
IUPAC Name
4,4,5,5-tetramethyl-2-[4-(4-methylphenyl)thiophen-2-yl]-1,3,2-dioxaborolane
SMILES String
Cc1ccc(-c2csc(B3OC(C)(C)C(C)(C)O3)c2)cc1
No physical property values available.
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Catalog navigation
Linked by recorded structural or research relationships, not interchangeable products. Check the exact CAS, specification and availability on the linked product page.
4-(4-Tolyl)thiophene-2-boronic acid pinacol ester is identified by CAS 1040281-87-5, with molecular formula C17H21BO2S, molecular weight 300.2, InChIKey HTFRZJXCRJCGPS-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
21
H-bond acceptors
2
H-bond donors
0
Rotatable bonds
2
Ring count
3
Aromatic rings
2
Topological polar surface area
18.46 Ų
Computed LogP
4.02
Fragment-like structure rule
No
Lead-like structure rule
No
Drug-like structure rule
Yes
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
4-(4-Tolyl)thiophene-2-boronic acid pinacol ester (CAS 1040281-87-5) is maintained as a commercial cas reference with formula C17H21BO2S, molecular weight 300. 20 g/mol, PubChem CID 45786372.
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, drug-like rule 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.