Research chemical
CAS Number: 958635-15-9
![(S)-Tetrahydro-1H-oxazolo[3,4-a]pyrazin-3(5H)-one hydrochloride molecular structure, CAS 958635-15-9](/structure-images/958635-15-9.png?v=struct-v3)
Product details
For laboratory research and professional procurement workflows.
PubChem CID
23655051
Exact Mass
178.050905
InChIKey
NEFDJLDMYYSLHW-JEDNCBNOSA-N
IUPAC Name
(8aS)-1,5,6,7,8,8a-hexahydro-[1,3]oxazolo[3,4-a]pyrazin-3-one;hydrochloride
SMILES String
Cl.O=C1OC[C@@H]2CNCCN12
No physical property values available.
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Heavy atom count
11
H-bond acceptors
4
H-bond donors
1
Rotatable bonds
0
Ring count
2
Aromatic rings
0
Topological polar surface area
41.57 Ų
Computed LogP
-0.17
Structural features
(S)-Tetrahydro-1H-oxazolo[3,4-a]pyrazin-3(5H)-one hydrochloride (CAS 958635-15-9) is listed in the Advanced Chemicals portfolio, with molecular formula C6H11ClN2O2 and molecular weight 178. 62 g/mol.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Intended for research building-block and synthetic chemistry workflows; structure-derived tags include nitrogen-containing heterocycle.
Documentation needs
SDS signal word: Warning; hazard codes: H302, H315, H319, H335; For research use only.
Catalog navigation
Linked by recorded structural or research relationships, not interchangeable products. Check the exact CAS, specification and availability on the linked product page.
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.
(S)-Tetrahydro-1H-oxazolo[3,4-a]pyrazin-3(5H)-one hydrochloride 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.
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 RequestSignal word: Warning
Supplier SDS reference cue; confirm supplier documentation before use.
Hazard statements: H302, H315, H319, H335
Supplier SDS hazard code reference; confirm full text in supplier documentation.
Precautionary statements: P261, P305+P351+P338
Supplier SDS precautionary code reference; confirm full text in supplier documentation.
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.