1H-Pyrazolo[1,5-a][1,3,5]triazin-2-one CAS 2140305-63-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2140305-63-9 |
| Molecular Formula | C5H4N4O |
| Molecular Weight | 136.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 1H-Pyrazolo[1,5-a][1,3,5]triazin-2-one (CAS 2140305-63-9) pharmaceutical standards reference standard. Molecular formula: C5H4N4O. Molecular weight: 136.11 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H4N4O |
| Molecular Weight | 136.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 4 |
Related H Standards
- 1H-Pyrazolo[3,4-b]pyrazin-3(2H)-one (CAS 116056-01-0)
- 3H-Pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 161746-79-8)
- 1H-Pyrazolo[4,3-d]pyrimidin-7(7aH)-one (CAS 179042-24-1)
- 2H-Pyrazolo[4,3-d]pyrimidin-7(6H)-one (CAS 1797409-86-9)
- 1H-Pyrazolo[3,4-d]pyrimidin-4(7H)-one (CAS 180749-06-8)
- 1H-Pyrazolo[3,4-d]pyrimidin-4-ol (CAS 180749-08-0)
- 2H-Pyrazolo[3,4-d]pyrimidin-4-ol (CAS 180749-09-1)
- 1H-Pyrazolo[3,4-c]pyridazin-3(2H)-one (CAS 2125-85-1)
Recommended Standards
- 1H-Purin-6-ol (CAS 95121-06-5)
- 1H-Purin-6(5H)-one (CAS 28634-91-5)
- 1H-Pyrazolo[3,4-d]pyridazin-7(6H)-one (CAS 69792-71-8)
- 2,4-dichloro-6H,7H-5$l^{6},1,3-[1$l^{6}]thieno[3,2-d]pyrimidine-5,5-dione (CAS 1698853-34-7)
- 2-(P-tolyl)-5-(trifluoromethyl)-2,4-dihydro-3H-pyrazol-3-one (CAS 63695-47-6)
- 3-(Pyridin-4-yl)piperazin-2-one (CAS 1246548-48-0)
- N-(3-Aminophenyl)-4-(2,4-dichlorophenoxy)-butanamide (CAS 1020722-29-5)
- S-Adenosyl-L-Methionine (CAS 29908-03-0)
- N-(4-Amino-2-methylphenyl)-2-isopropoxybenzamide (CAS 1020058-07-4)
- Liraglutide Impurity 21 TFA Salt (CAS CATO-C4X-199221)
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