Research chemical
CAS Number: 258-17-3
![12H-quinoxalino[2,3-b][1,4]benzothiazine molecular structure, CAS 258-17-3](/structure-images/258-17-3.png?v=struct-v3)
Product details
For laboratory research and professional procurement workflows.
PubChem CID
731888
Exact Mass
251.051718
InChIKey
YDHFECMXUFRSRV-UHFFFAOYSA-N
SMILES String
c1ccc2c(c1)Nc1nc3ccccc3nc1S2
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.
12H-quinoxalino[2,3-b][1,4]benzothiazine is identified by CAS 258-17-3, with molecular formula C14H9N3S, molecular weight 251.31, InChIKey YDHFECMXUFRSRV-UHFFFAOYSA-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.
Heavy atom count
18
H-bond acceptors
3
H-bond donors
1
Rotatable bonds
0
Ring count
4
Aromatic rings
3
Topological polar surface area
37.81 Ų
Computed LogP
3.84
Fragment-like structure rule
Yes
Lead-like structure rule
Yes
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
12H-quinoxalino[2,3-b][1,4]benzothiazine (CAS 258-17-3) is maintained as a commercial cas reference with formula C14H9N3S, molecular weight 251. 31 g/mol, PubChem CID 731888.
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, fragment-like structure profile, lead-like structure profile, 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.