Research chemical
CAS Number: 159-49-9
![9,9'-Spirobi[xanthene] molecular structure, CAS 159-49-9](/structure-images/159-49-9.png?v=struct-v2)
Product details
For laboratory research and professional procurement workflows.
PubChem CID
10882586
Exact Mass
348.11503
InChIKey
VKKRGFDLDAZZEW-UHFFFAOYSA-N
SMILES String
c1ccc2c(c1)Oc1ccccc1C21c2ccccc2Oc2ccccc21
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.
9,9'-Spirobi[xanthene] is identified by CAS 159-49-9, with molecular formula C25H16O2, molecular weight 348.4, InChIKey VKKRGFDLDAZZEW-UHFFFAOYSA-N.
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
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Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.
Heavy atom count
27
H-bond acceptors
2
H-bond donors
0
Rotatable bonds
0
Ring count
6
Aromatic rings
4
Topological polar surface area
18.46 Ų
Computed LogP
6.28
Fragment-like structure rule
No
Lead-like structure rule
No
Drug-like structure rule
No
Structure family
other structure rule
Precious metal motif
No
Transition metal motif
No
Phosphine ligand motif
No
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
9,9'-Spirobi[xanthene] (CAS 159-49-9) is maintained as a commercial cas reference with formula C25H16O2, molecular weight 348. 40 g/mol, PubChem CID 10882586.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
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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.