Research chemical
CAS Number: 1656990-74-7
![(R)-5,5'-Bis(diisopropylphosphino)-4,4'-bibenzo[d][1,3]dioxole molecular structure, CAS 1656990-74-7](/structure-images/1656990-74-7.png?v=struct-v3)
Product details
For laboratory research and professional procurement workflows.
PubChem CID
11388793
Exact Mass
474.20888
InChIKey
YRQYSFQEVBXFNN-UHFFFAOYSA-N
IUPAC Name
[4-[5-di(propan-2-yl)phosphanyl-1,3-benzodioxol-4-yl]-1,3-benzodioxol-5-yl]-di(propan-2-yl)phosphane
SMILES String
CC(P(C1=CC=C(OCO2)C2=C1C3=C(OCO4)C4=CC=C3P(C(C)C)C(C)C)C(C)C)C
No physical property values available.
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
(R)-5,5'-Bis(diisopropylphosphino)-4,4'-bibenzo[d][1,3]dioxole is identified by CAS 1656990-74-7, with molecular formula C26H36O4P2, molecular weight 474.51, InChIKey YRQYSFQEVBXFNN-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
32
H-bond acceptors
4
H-bond donors
0
Rotatable bonds
7
Ring count
4
Aromatic rings
2
Topological polar surface area
36.92 Ų
Computed LogP
6.66
Fragment-like structure rule
No
Lead-like structure rule
No
Drug-like structure rule
No
Structure family
phosphine ligand
Precious metal motif
No
Transition metal motif
No
Phosphine ligand motif
Yes
N-heterocycle motif
No
Boronic acid motif
No
Computed structure descriptors generated from molecular structure. These are not experimental physical property values, supplier specifications, SDS data, or bioactivity claims.
Structural features
Research Catalog Compound - Phosphine Ligand (CAS 1656990-74-7) is listed for phosphine ligand sourcing for catalyst or coordination screening.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Typical research procurement context: ligand-focused research workflows where steric and electronic fit are reviewed by the buyer, with buyer review before selection.
Documentation needs
Preliminary handling notes only; confirm supplier SDS before handling. Review storage, transport, and documentation requirements internally before order acceptance.
Safety and handling reference content is available through documentation requests.
For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.
Preliminary Safety Reference
For supplier-issued SDS or COA, submit a documentation request.
Safety Reference / SDS RequestNon-public references are shown as text only and do not imply equivalence, availability, or shared use.