3-(4-(Methylsulfonyl)phenyl)isoxazolo[4,5-d]pyrimidin-7(4H)-one CAS 832717-28-9
| CAS No. | 832717-28-9 |
| Molecular Formula | C12H9N3O4S |
| Molecular Weight | 291.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-(4-(Methylsulfonyl)phenyl)isoxazolo[4,5-d]pyrimidin-7(4H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
3-(4-(Methylsulfonyl)phenyl)isoxazolo[4,5-d]pyrimidin-7(4H)-one (CAS 832717-28-9) is a high-purity analytical reference standard with the molecular formula C12H9N3O4S and a molecular weight of 291.28 g/mol.
Based on its molecular formula C12H9N3O4S, 3-(4-(Methylsulfonyl)phenyl)isoxazolo[4,5-d]pyrimidin-7(4H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 291.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H9N3O4S |
| Molecular Weight | 291.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methylsulfonyl Standards
- 2-((4-(Methylsulfonyl)-2-nitrophenyl)thio)acetic acid (CAS 99358-36-8)
- Phenyl (3-(methylsulfonyl)phenyl)carbamate (CAS 417721-13-2)
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Recommended Standards
- 2-(5-Cyano-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)ethyl thiophene-2-carboxylate (CAS 320420-12-0)
- 3-Fluoro-N,N-diisopropyl-5-(trifluoromethyl)benzamide (CAS 905273-67-8)
- 2-((9-Methyl-7-oxo-7H-chromeno[5,6-d]oxazol-2-yl)thio)acetic acid (CAS 88519-01-1)
- 4-((5-(2-Nitrophenyl)-1,3,4-oxadiazol-2-yl)thio)but-2-yn-1-ol (CAS 727385-51-5)
- N-((1-(2-Aminoethyl)pyrrolidin-3-yl)methyl)-N-ethylacetamide (CAS 1353975-47-9)
- 1-(5-(Cyclopropanecarbonyl)-1-methyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carbonyl)piperidine-4-carboxylic acid (CAS 1142209-89-9)
- (3,4,5-Trimethoxybenzyl)hydrazine hydrochloride (CAS 3903-97-7)
- 2-[(Methylamino)(sulfanyl)methylidene]propanedinitrile (CAS 32827-61-5)
- 3,3-Dimethyl-2,3-dihydro-1H-inden-1-amine hydrochloride (CAS 2728727-18-0)
- 5-(Trifluoromethyl)pyridine-2-sulfonamide (CAS 332366-24-2)
- 5-Aminopyridine-2-thiol (CAS 760117-50-8)
- Chromium(III) Trifluoroacetate (CAS 16712-29-1)
- Methyl 5-hydroxy-1-(3-(trifluoromethyl)phenyl)-1H-1,2,3-triazole-4-carboxylate (CAS 924861-64-3)
- TRAF6 Control Peptide trifluoroacetate salt (CAS 852690-80-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com