Research chemical
CAS Number: 108831-66-9
![6-methyl-3H,4H-thieno[2,3-d]pyrimidin-4-one molecular structure, CAS 108831-66-9](/structure-images/108831-66-9.png?v=struct-v2)
Product details
For laboratory research and professional procurement workflows.
PubChem CID
735018
Exact Mass
166.020084
InChIKey
IXBCLHWYSXPUJS-UHFFFAOYSA-N
IUPAC Name
6-methyl-3H-thieno[2,3-d]pyrimidin-4-one
SMILES String
CC1=CC2=C(S1)N=CNC2=O
Appearance
Pale-yellow to Yellow-brown Solid
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Heavy atom count
11
H-bond acceptors
3
H-bond donors
1
Rotatable bonds
0
Ring count
2
Aromatic rings
2
Topological polar surface area
45.75 Ų
Computed LogP
1.29
Structural features
6-methyl-3H,4H-thieno[2,3-d]pyrimidin-4-one (CAS 108831-66-9) is maintained as a cataloged research chemical with formula C7H6N2OS, molecular weight 166. 20 g/mol, PubChem CID 735018.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Use this page for identity verification, package-aware sourcing review, and RFQ preparation; structure-derived tags include nitrogen-containing heterocycle, fragment-like structure profile, lead-like structure profile, drug-like rule profile.
Documentation needs
SDS signal word: Warning; hazard codes: H302; 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.
Preliminary Safety Reference
For supplier-issued SDS or COA, submit a documentation request.
Safety Reference / SDS RequestCatalog navigation
Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.
Procurement notes
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Use the quote panel for visible public options. Additional quantities or specifications can be reviewed by RFQ.
Purity, lot identity, and batch-specific documentation are confirmed before procurement decisions.
Supplier-issued COA and SDS can be requested before handling, storage, shipment, or procurement decisions.
Final quote depends on quantity, lead time, destination, and supplier confirmation.
6-methyl-3H,4H-thieno[2,3-d]pyrimidin-4-one is listed as in-stock / available for research-use sourcing review. Final availability, lot specification, and lead time are confirmed by RFQ.
The page shows a public reference price in the quote panel. Submit an RFQ to confirm current price, quantity breaks, lead time, and destination-specific shipping requirements.
Yes. Supplier-issued COA and SDS can be requested during the RFQ workflow. Lot-specific documents depend on supplier and batch confirmation.
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.
Shipment review: Required
Certificate of Analysis (COA): By request
Supplier Safety Data Sheet (SDS): By request
Purity and pack size confirmation: By request
Availability and lead time review: Confirmed by RFQ
Shipment documentation review: By request
For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference
Additional text reference cues are not available for this catalog entry.
Non-public references are shown as text only and do not imply equivalence, availability, or shared use.