Research chemical
CAS Number: 256493-91-1
Product details
For laboratory research and professional procurement workflows.
PubChem CID
15451222
Exact Mass
1089.33339
InChIKey
UVIALSKMICAVNV-ZQRHXHOESA-N
IUPAC Name
N-[1-[(2R,3R,4R,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-3-[tert-butyl(dimethyl)silyl]oxy-4-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxyoxolan-2-yl]-5-iodo-2-oxopyrimidin-4-yl]benzamide
SMILES String
COc1ccc(C(OC[C@H]2O[C@@H](n3cc(I)c(NC(=O)c4ccccc4)nc3=O)[C@H](O[Si](C)(C)C(C)(C)C)[C@@H]2OP(OCCC#N)N(C(C)C)C(C)C)(c2ccccc2)c2ccc(OC)cc2)cc1
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.
2-OTBS 5-I-C(Bz) amidite is identified by CAS 256493-91-1, with molecular formula C52H65IN5O9PSi, molecular weight 1090.1, InChIKey UVIALSKMICAVNV-ZQRHXHOESA-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.
No physical property values available.
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Heavy atom count
69
H-bond acceptors
14
H-bond donors
1
Rotatable bonds
21
Ring count
6
Aromatic rings
5
Topological polar surface area
155.63 Ų
Computed LogP
11.08
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
Yes
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
2-OTBS 5-I-C(Bz) amidite (CAS 256493-91-1) is maintained as a commercial cas reference with formula C52H65IN5O9PSi, molecular weight 1090. 10 g/mol, PubChem CID 15451222.
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 nitrogen-containing heterocycle, phosphine-ligand motif.
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.