1H-Pyrazolo[3,4-d]pyrimidin-3(2H)-one CAS 90993-87-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 90993-87-6 |
| Molecular Formula | C5H4N4O |
| Molecular Weight | 136.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 1H-Pyrazolo[3,4-d]pyrimidin-3(2H)-one (CAS 90993-87-6) 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.) | 1982 |
| 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[1,5-a][1,3,5]triazin-2-one (CAS 2140305-63-9)
Recommended Standards
- 1H-Pyrazolo[3,4-d]pyridazin-7(6H)-one (CAS 69792-71-8)
- 1H-Pyrazolo[3,4-d]pyrimidin-4(2H)-one (CAS 73334-58-4)
- 1H-Pyrazolo[3,4-c]pyridazin-3(2H)-one (CAS 2125-85-1)
- 2-Fluoro-1-methoxy-3-methyl-5-(trifluoromethyl)benzene (CAS 2383384-61-8)
- (3R)-3-hydroxyoctanoic acid (CAS 44987-72-6)
- (2R,3R)-3-Fluoropyrrolidine-2-carboxylic acid (CAS 261350-69-0)
- (Benzylsulfamoyl)[(3,4-dimethoxyphenyl)methyl]amine (CAS 143836-84-4)
- Tofacitinib Impurity 135 (CAS CATO-C4X-1079135)
- 6-Chloro-7,8-dimethyl-3-(trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 1394040-15-3)
- Insulin Degludec Impurity 7 (CAS CATO-C4X-21577)
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