Research chemical
CAS Number: 1660143-42-9
Product details
For laboratory research and professional procurement workflows.
PubChem CID
121245115
Exact Mass
703.430885
InChIKey
CSADYEVGOVYMHC-BBACVFHCSA-N
IUPAC Name
(2S)-N-[(2S)-1-[[(4S)-2,6-dimethyl-3-oxohept-1-en-4-yl]amino]-1-oxo-3-phenylpropan-2-yl]-4-methyl-2-[[(2S)-2-[(2-morpholin-4-ylacetyl)amino]-4-phenylbutanoyl]amino]pentanamide
SMILES String
C=C(C)C(=O)[C@H](CC(C)C)NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCc1ccccc1)NC(=O)CN1CCOCC1
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.
Carfilzomib impurity Y is identified by CAS 1660143-42-9, with molecular formula C40H57N5O6, molecular weight 703.9, InChIKey CSADYEVGOVYMHC-BBACVFHCSA-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
51
H-bond acceptors
11
H-bond donors
4
Rotatable bonds
20
Ring count
3
Aromatic rings
2
Topological polar surface area
145.94 Ų
Computed LogP
3.37
Fragment-like structure rule
No
Lead-like structure rule
No
Drug-like structure rule
No
Structure family
n heterocycle ligand
Precious metal motif
No
Transition metal motif
No
Phosphine ligand motif
No
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
Carfilzomib impurity Y (CAS 1660143-42-9) is maintained as a commercial cas reference with formula C40H57N5O6, molecular weight 703. 90 g/mol, PubChem CID 121245115.
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.
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.