Research chemical
CAS Number: 101667-99-6
![Ethyl 4-methoxy-5-methylthieno[2,3-d]pyrimidine-6-carboxylate molecular structure, CAS 101667-99-6](/structure-images/101667-99-6.png?v=struct-v2)
Product details
For laboratory research and professional procurement workflows.
PubChem CID
658409
Exact Mass
252.056863
InChIKey
BJCRYHMRNPOVKG-UHFFFAOYSA-N
SMILES String
CCOC(=O)c1sc2ncnc(OC)c2c1C
No physical property values available.
XLogP
2.8
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.
Ethyl 4-methoxy-5-methylthieno[2,3-d]pyrimidine-6-carboxylate is identified by CAS 101667-99-6, with molecular formula C11H12N2O3S, molecular weight 252.29, InChIKey BJCRYHMRNPOVKG-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.
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Heavy atom count
17
H-bond acceptors
5
H-bond donors
0
Rotatable bonds
3
Ring count
2
Aromatic rings
2
Topological polar surface area
61.31 Ų
Computed LogP
2.19
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
Ethyl 4-methoxy-5-methylthieno[2,3-d]pyrimidine-6-carboxylate (CAS 101667-99-6) is an English MolGraph catalog reference, molecular formula C11H12N2O3S and molecular weight 252. 29 g/mol.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Use this page to review identity data, application tags, sourcing readiness, and RFQ context for heterocyclic building-block research, research chemical sourcing.
Documentation needs
Request supplier-issued SDS/COA before handling, storage, shipment, or procurement decisions. Public page content is for research catalog reference and does not replace supplier-issued safety documentation.
Safety and handling reference content is available through documentation requests.
For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.