5-Methyl-2-(methylsulfonyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7(1H)-one CAS 90000-59-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 90000-59-2 |
| Molecular Formula | C7H8N4O3S |
| Molecular Weight | 228.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methyl-2-(methylsulfonyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7(1H)-one (CAS 90000-59-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H8N4O3S. Molecular weight: 228.23 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H8N4O3S |
| Molecular Weight | 228.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 5-Methyl-2-(methylsulfonyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol (CAS 40775-95-9)
- 2-(4-(Methylsulfonyl)phenyl)-2-oxoacetic acid (CAS 79478-01-6)
- 3-(4-(Methylsulfonyl)phenyl)propanoic acid (CAS 387350-46-1)
- Ethyl 3-(methylsulfonyl)benzoate (CAS 83112-38-3)
- Ethyl 4-(methylsulfonyl)benzoate (CAS 6274-54-0)
- Methyl 3-(Methylsulfonyl)phenylacetate (CAS 847150-07-6)
- Methyl 3-[(Methylsulfonyl)methyl]benzoate (CAS 261924-48-5)
- 4-Methyl-5-(methylsulfonyl)-2-thioxo-1,2-dihydropyridine-3-carbonitrile (CAS 1447962-48-2)
Recommended Standards
- 5-methoxycarbonylpyrazolo[1,5-a]pyrimidine-7-carboxylate (CAS 916212-00-5)
- 4,4'-(2-Fluoro-1,4-phenylene)bis(1H-pyrazole) (CAS 2044270-00-8)
- 7-Methoxy-2H-benzo[e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide (CAS 71254-67-6)
- Butyl Heptanoate (5 x 0.5 mL) (CAS 5454-28-4)
- 4-(4-Bromo-1h-pyrazol-3-yl)-1-ethyl-5-methyl-1h-pyrazole (CAS 1006341-00-9)
- N-((1-Methyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)methyl)-3-phenylacrylamide (CAS 1448139-69-2)
- Tert-butyl (R)-(1-phenylethyl)carbamate (CAS 184888-43-5)
- Trilaciclib Impurity 14 (CAS CATO-C4X-304414)
- 5-Bromo-6-fluorobenzo[d]thiazol-2-amine (CAS 1160789-91-2)
- Des-Gln19-Tirzepatide (CAS CATO-CPTD788954)
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 13829788188 / jacky.chen@cato-chem.com