Research chemical
CAS Number: 108-28-1
Product details
For laboratory research and professional procurement workflows.
PubChem CID
66948
Exact Mass
96.021129
InChIKey
RNYZJZKPGHQTJR-UHFFFAOYSA-N
IUPAC Name
5-methylidenefuran-2-one
SMILES String
C=C1C=CC(=O)O1
Appearance
Solid or semi-solid or lump or liquid
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.
Protoanemonin is identified by CAS 108-28-1, with molecular formula C5H4O2, molecular weight 96.08, InChIKey RNYZJZKPGHQTJR-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.
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Heavy atom count
7
H-bond acceptors
2
H-bond donors
0
Rotatable bonds
0
Ring count
1
Aromatic rings
0
Topological polar surface area
26.3 Ų
Computed LogP
0.61
Fragment-like structure rule
Yes
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
Protoanemonin (CAS 108-28-1) is maintained as a cataloged research chemical with formula C5H4O2, molecular weight 96. 08 g/mol, PubChem CID 66948.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Use this page for identity verification, supplier-aware sourcing review, and RFQ preparation; structure-derived tags include fragment-like structure profile.
Documentation needs
SDS signal word: Warning; hazard codes: H302, H315, H319, H335; for research use only.
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 Request