Research chemical
CAS Number: 21028-20-6
![1-[(2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-4-imino-3-methylpyrimidin-2-one;methyl hydrogen sulfate molecular structure, CAS 21028-20-6](/structure-images/21028-20-6.png?v=struct-v3)
Product details
For laboratory research and professional procurement workflows.
PubChem CID
16219675
Exact Mass
369.0842
InChIKey
MGSZKGKDQZQWAQ-BKZSBQMKSA-N
SMILES String
COS(=O)(=O)[O-].C[n+]1c(N)ccn([C@@H]2O[C@H](CO)[C@@H](O)[C@H]2O)c1=O
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.
1-[(2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-4-imino-3-methylpyrimidin-2-one;methyl hydrogen sulfate is identified by CAS 21028-20-6, with molecular formula C11H19N3O9S, molecular weight 369.35, InChIKey MGSZKGKDQZQWAQ-BKZSBQMKSA-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
24
H-bond acceptors
12
H-bond donors
5
Rotatable bonds
3
Ring count
2
Aromatic rings
1
Topological polar surface area
188.25 Ų
Computed LogP
-4.04
Fragment-like structure rule
No
Lead-like structure rule
No
Drug-like structure rule
No
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
1-[(2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-4-imino-3-methylpyrimidin-2-one;methyl hydrogen sulfate (CAS 21028-20-6) is maintained as a commercial cas reference with formula C11H19N3O9S, molecular weight 369. 35 g/mol, PubChem CID 16219675.
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.
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.