Research chemical
CAS Number: 1638-76-2
![[(Diphenylphosphoryl)methyl]phenylphosphinic acid molecular structure, CAS 1638-76-2](/structure-images/1638-76-2.png?v=struct-v2)
Product details
For laboratory research and professional procurement workflows.
PubChem CID
303427
Exact Mass
356.073118
InChIKey
FPLMEYCQLBPAJM-UHFFFAOYSA-N
IUPAC Name
diphenylphosphorylmethyl(phenyl)phosphinic acid
SMILES String
O=P(O)(CP(=O)(c1ccccc1)c1ccccc1)c1ccccc1
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.
[(Diphenylphosphoryl)methyl]phenylphosphinic acid is identified by CAS 1638-76-2, with molecular formula C19H18O3P2, molecular weight 356.3, InChIKey FPLMEYCQLBPAJM-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
24
H-bond acceptors
3
H-bond donors
1
Rotatable bonds
5
Ring count
3
Aromatic rings
3
Topological polar surface area
54.37 Ų
Computed LogP
3.55
Fragment-like structure rule
No
Lead-like structure rule
No
Drug-like structure rule
Yes
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
[(Diphenylphosphoryl)methyl]phenylphosphinic acid (CAS 1638-76-2) is maintained as a commercial cas reference with formula C19H18O3P2, molecular weight 356. 30 g/mol, PubChem CID 303427.
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 phosphine-ligand motif, 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.