Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Computed Structure Descriptors
Show calculated structure fields
Heavy atom count
63
H-bond acceptors
4
H-bond donors
1
Rotatable bonds
8
Ring count
11
Aromatic rings
8
Topological polar surface area
55.76 Ų
Computed LogP
7.74
Catalog Facts
Structural features
(11bR)-4-Hydroxy-2,6-bis(triphenylsilyl)-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide (CAS 1157989-25-7) is maintained as a cataloged research chemical with formula C56H49O4PSi2, molecular weight 873.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Use this page for identity verification, package-aware sourcing review, and RFQ preparation.
Documentation needs
SDS signal word: Warning; hazard codes: H315; for research use only.
Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.
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Package and specification
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Final lot confirmation
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Supply documentation
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Quotation review
Final quote depends on quantity, lead time, destination, and supplier confirmation.
Procurement questions
Is CAS 1157989-25-7 in stock?
(11bR)-4-Hydroxy-2,6-bis(triphenylsilyl)-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide is listed as in-stock / available for research-use sourcing review. Final availability, lot specification, and lead time are confirmed by RFQ.
How is the final price confirmed?
The page shows a public reference price in the quote panel. Submit an RFQ to confirm current price, quantity breaks, lead time, and destination-specific shipping requirements.
Can MolGraph provide COA or SDS for CAS 1157989-25-7?
Yes. Supplier-issued COA and SDS can be requested during the RFQ workflow. Lot-specific documents depend on supplier and batch confirmation.
Fragment-like structure rule
No
Lead-like structure rule
No
Drug-like structure rule
No
Structure family
organophosphorus reagent
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.
(11bR)-4-Hydroxy-2,6-bis(triphenylsilyl)-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1 inverted exclamation mark ,2 inverted exclamation mark -f][1,3,2]dioxaphosphepine 4-Oxide
(11bS)-4-Hydroxy-2,6-bis(triphenylsilyl)-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1 inverted exclamation mark ,2 inverted exclamation mark -f][1,3,2]dioxaphosphepine 4-Oxide
![(11bR)-4-Hydroxy-2,6-bis(triphenylsilyl)-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide molecular structure, CAS 1157989-25-7](/structure-images/1157989-25-7.png?v=struct-v2)