Research chemical
CAS Number: 2918768-28-0
![[Met5]-Enkephalin, amide (TFA) molecular structure, CAS 2918768-28-0](/structure-images/2918768-28-0.png?v=struct-v3)
Product details
For laboratory research and professional procurement workflows.
PubChem CID
138911447
Exact Mass
686.234568
InChIKey
RZLKVUJHGWGFHT-SGIIKHNDSA-N
IUPAC Name
(2S)-2-[[(2S)-2-[[2-[[2-[[(2S)-2-amino-3-(4-hydroxyphenyl)propanoyl]amino]acetyl]amino]acetyl]amino]-3-phenylpropanoyl]amino]-4-methylsulfanylbutanamide;2,2,2-trifluoroacetic acid
SMILES String
CSCC[C@H](NC(=O)[C@H](Cc1ccccc1)NC(=O)CNC(=O)CNC(=O)[C@@H](N)Cc1ccc(O)cc1)C(N)=O.O=C(O)C(F)(F)F
Catalog navigation
Linked by recorded structural or research relationships, not interchangeable products. Check the exact CAS, specification and availability on the linked product page.
[Met5]-Enkephalin, amide (TFA) is identified by CAS 2918768-28-0, with molecular formula C29H37F3N6O8S, molecular weight 686.7, InChIKey RZLKVUJHGWGFHT-SGIIKHNDSA-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
47
H-bond acceptors
14
H-bond donors
10
Rotatable bonds
16
Ring count
2
Aromatic rings
2
Topological polar surface area
243.04 Ų
Computed LogP
-0.42
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
[Met5]-Enkephalin, amide (TFA) (CAS 2918768-28-0) is maintained as a commercial cas reference with formula C29H37F3N6O8S, molecular weight 686. 70 g/mol, PubChem CID 138911447.
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.