Research chemical
CAS Number: 1040637-89-5
![5-((3-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one molecular structure, CAS 1040637-89-5](/structure-images/1040637-89-5.png?v=struct-v3)
Product details
For laboratory research and professional procurement workflows.
PubChem CID
27372993
Exact Mass
409.040024
InChIKey
MKEUSFBTIFFPTB-UHFFFAOYSA-N
IUPAC Name
5-[[3-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl]-2-thiophen-2-ylpyrazolo[1,5-a]pyrazin-4-one
SMILES String
O=c1c2cc(-c3cccs3)nn2ccn1Cc1nc(-c2cccc(Cl)c2)no1
No physical property values available.
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Catalog navigation
Linked by recorded structural or research relationships, not interchangeable products. Check the exact CAS, specification and availability on the linked product page.
5-((3-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one is identified by CAS 1040637-89-5, with molecular formula C19H12ClN5O2S, molecular weight 409.8, InChIKey MKEUSFBTIFFPTB-UHFFFAOYSA-N.
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
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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
28
H-bond acceptors
7
H-bond donors
0
Rotatable bonds
4
Ring count
5
Aromatic rings
5
Topological polar surface area
78.22 Ų
Computed LogP
3.98
Fragment-like structure rule
No
Lead-like structure rule
No
Drug-like structure rule
Yes
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
5-((3-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one (CAS 1040637-89-5) is maintained as a commercial cas reference with formula C19H12ClN5O2S, molecular weight 409. 80 g/mol, PubChem CID 27372993.
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, 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.