5-Methyl-2-(methylsulfonyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol CAS 40775-95-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40775-95-9 |
| 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-ol (CAS 40775-95-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H8N4O3S. Molecular weight: 228.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1968 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 5-Methyl-2-(methylsulfonyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7(1H)-one (CAS 90000-59-2)
- 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
- 7-Methoxy-2H-benzo[e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide (CAS 71254-67-6)
- 5-methoxycarbonylpyrazolo[1,5-a]pyrimidine-7-carboxylate (CAS 916212-00-5)
- 9-Benzyl-6-fluoro-9H-purine (CAS 55600-75-4)
- (3R,14R,16S)-Vincamine (CAS 58000-63-8)
- 3-(3-(tert-Butylthio)-1-(4-(6-methoxypyridin-3-yl)benzyl)-5-(pyridin-2-ylmethoxy)-1H-indol-2-yl)-2,2-dimethylpropanoic acid (CAS 936349-47-2)
- N-ethyl-2-(methylamino)acetamide (CAS 225229-02-7)
- 4-(((4-Chlorophenyl)thio)methyl)-6-((3,4-dichlorobenzyl)oxy)-2-methylpyrimidine (CAS 338960-38-6)
- P22077 (CAS 1247819-59-5)
- 2-(Benzyloxy)pyrazolo[1,5-a]pyridine-3-carboxylic acid (CAS 2241027-64-3)
- Des-Pro-Pro-Tirzepatide (CAS CATO-CPTD788696)
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